Santo Domingo Tehuantepec weather in January
In January, Santo Domingo Tehuantepec sees average daytime highs of 30°C and overnight lows near 21°C, with 3 mm of rain across 0.8 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 81% of the time in January, and the air most often feels humid.
Daylight stretches from about 11 hours at the start of January to 11 h 18 min by month's end. Set against the rest of the year, January is Santo Domingo Tehuantepec's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Santo Domingo Tehuantepec's year-round climate.
- Daytime high
- 30°
- 12th warmest
- Overnight low
- 21°
- 1st coldest
- Rainfall
- 3 mm
- 0.8 wet days
- Daylight
- 11 h 06 min
- 6:56 AM – 6:04 PM
- Cloud cover
- 20%
- 2nd clearest
- Wind
- 19 km/h
- 2nd windiest
- Solar energy
- 5.38 kWh/m²
- Travel score
- 6.5
- out of 10
Santo Domingo Tehuantepec is municipal seat of Tehuantepec, State of Oaxaca, Mexico.
- Density
- 70/km²
- people per km²
- Founded
- 1450
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 30°C through the month.
A typical January day in Santo Domingo Tehuantepec reaches about 30°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 |
| Avg low (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 21 |
| 2 | 30 | 21 |
| 3 | 30 | 21 |
| 4 | 30 | 21 |
| 5 | 30 | 21 |
| 6 | 30 | 21 |
| 7 | 30 | 21 |
| 8 | 30 | 21 |
| 9 | 30 | 21 |
| 10 | 30 | 21 |
| 11 | 30 | 21 |
| 12 | 30 | 21 |
| 13 | 30 | 21 |
| 14 | 30 | 21 |
| 15 | 30 | 20 |
| 16 | 30 | 20 |
| 17 | 30 | 20 |
| 18 | 30 | 20 |
| 19 | 30 | 20 |
| 20 | 30 | 20 |
| 21 | 30 | 20 |
| 22 | 30 | 20 |
| 23 | 30 | 21 |
| 24 | 30 | 21 |
| 25 | 30 | 21 |
| 26 | 30 | 21 |
| 27 | 30 | 21 |
| 28 | 30 | 21 |
| 29 | 31 | 21 |
| 30 | 31 | 21 |
| 31 | 31 | 21 |
How January really feels in Santo Domingo Tehuantepec
Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Santo Domingo Tehuantepec weather by month
How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 21° | 3 | 0.8 | 11.1 | 6.5 |
| Feb | 31° / 21° | 3 | 0.8 | 11.5 | 5.7 |
| Mar | 33° / 22° | 4 | 1 | 11.9 | 4.8 |
| Apr | 34° / 24° | 6 | 1.7 | 12.4 | 3.8 |
| May | 34° / 25° | 67 | 9.9 | 12.8 | 3.0 |
| Jun | 33° / 25° | 233 | 17.8 | 13 | 2.9 |
| Jul | 34° / 25° | 122 | 11.6 | 12.9 | 3.0 |
| Aug | 34° / 25° | 163 | 14.6 | 12.5 | 2.8 |
| Sep | 32° / 25° | 206 | 17.4 | 12.1 | 3.1 |
| Oct | 32° / 24° | 84 | 8.6 | 11.6 | 4.1 |
| Nov | 32° / 23° | 15 | 1.7 | 11.2 | 5.3 |
| Dec | 31° / 21° | 4 | 0.8 | 11 | 6.2 |
Cloud cover in January
The sky is clear or mostly clear about 81% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 11%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 87 | 87 | 88 | 88 | 89 | 89 | 89 | 89 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 89 | 89 | 89 | 89 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 89 | 89 | 89 | 89 |
| Cloudier (%) | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 87 | 13 |
| 2 | 87 | 13 |
| 3 | 88 | 12 |
| 4 | 88 | 12 |
| 5 | 89 | 11 |
| 6 | 89 | 11 |
| 7 | 89 | 11 |
| 8 | 89 | 11 |
| 9 | 90 | 10 |
| 10 | 90 | 10 |
| 11 | 90 | 10 |
| 12 | 90 | 10 |
| 13 | 90 | 10 |
| 14 | 90 | 10 |
| 15 | 90 | 10 |
| 16 | 90 | 10 |
| 17 | 89 | 11 |
| 18 | 89 | 11 |
| 19 | 89 | 11 |
| 20 | 89 | 11 |
| 21 | 88 | 12 |
| 22 | 88 | 12 |
| 23 | 88 | 12 |
| 24 | 88 | 12 |
| 25 | 88 | 12 |
| 26 | 88 | 12 |
| 27 | 88 | 12 |
| 28 | 89 | 11 |
| 29 | 89 | 11 |
| 30 | 89 | 11 |
| 31 | 89 | 11 |
Chance of precipitation in January
Santo Domingo Tehuantepec gets around 3 mm of rain over 0.8 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 2% and peaks near 4% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
| Rain chance (%) | |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 2 |
| 12 | 2 |
| 13 | 3 |
| 14 | 3 |
| 15 | 3 |
| 16 | 3 |
| 17 | 3 |
| 18 | 3 |
| 19 | 3 |
| 20 | 3 |
| 21 | 3 |
| 22 | 3 |
| 23 | 3 |
| 24 | 3 |
| 25 | 3 |
| 26 | 3 |
| 27 | 3 |
| 28 | 3 |
| 29 | 4 |
| 30 | 4 |
| 31 | 4 |
Humidity in January
Most of January feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the humid band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 |
| Comfortable (%) | 23 | 23 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 24 |
| Humid (%) | 43 | 42 | 42 | 41 | 40 | 39 | 38 | 37 | 37 | 36 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 37 | 37 | 38 | 38 | 39 | 40 | 40 | 41 | 41 | 42 | 42 |
| Muggy (%) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Oppressive (%) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 7 | 23 | 43 | 23 | 4 |
| 2 | 7 | 23 | 42 | 23 | 4 |
| 3 | 8 | 23 | 42 | 23 | 4 |
| 4 | 8 | 24 | 41 | 23 | 4 |
| 5 | 8 | 24 | 40 | 23 | 4 |
| 6 | 8 | 25 | 39 | 23 | 4 |
| 7 | 9 | 26 | 38 | 23 | 4 |
| 8 | 9 | 26 | 37 | 23 | 4 |
| 9 | 9 | 27 | 37 | 23 | 5 |
| 10 | 10 | 27 | 36 | 23 | 5 |
| 11 | 10 | 28 | 35 | 22 | 5 |
| 12 | 10 | 28 | 35 | 22 | 5 |
| 13 | 11 | 28 | 35 | 22 | 5 |
| 14 | 11 | 28 | 35 | 22 | 5 |
| 15 | 11 | 28 | 35 | 22 | 5 |
| 16 | 11 | 28 | 35 | 22 | 5 |
| 17 | 11 | 28 | 35 | 21 | 5 |
| 18 | 11 | 27 | 36 | 21 | 5 |
| 19 | 11 | 27 | 36 | 21 | 5 |
| 20 | 10 | 27 | 36 | 21 | 5 |
| 21 | 10 | 27 | 37 | 20 | 6 |
| 22 | 10 | 27 | 37 | 20 | 6 |
| 23 | 9 | 27 | 38 | 20 | 6 |
| 24 | 9 | 26 | 38 | 20 | 7 |
| 25 | 9 | 26 | 39 | 20 | 7 |
| 26 | 8 | 25 | 40 | 20 | 7 |
| 27 | 8 | 25 | 40 | 20 | 7 |
| 28 | 7 | 25 | 41 | 20 | 8 |
| 29 | 7 | 25 | 41 | 20 | 8 |
| 30 | 7 | 24 | 42 | 20 | 8 |
| 31 | 6 | 24 | 42 | 20 | 8 |
Wind in January
Winds average 19 km/h in January.
Across January, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 19 | light breeze |
| 2 | 19 | light breeze |
| 3 | 19 | light breeze |
| 4 | 19 | light breeze |
| 5 | 19 | light breeze |
| 6 | 19 | light breeze |
| 7 | 19 | light breeze |
| 8 | 19 | light breeze |
| 9 | 19 | light breeze |
| 10 | 19 | light breeze |
| 11 | 19 | light breeze |
| 12 | 19 | light breeze |
| 13 | 19 | light breeze |
| 14 | 19 | light breeze |
| 15 | 19 | light breeze |
| 16 | 19 | light breeze |
| 17 | 19 | light breeze |
| 18 | 19 | light breeze |
| 19 | 19 | light breeze |
| 20 | 19 | light breeze |
| 21 | 18 | light breeze |
| 22 | 18 | light breeze |
| 23 | 18 | light breeze |
| 24 | 18 | light breeze |
| 25 | 18 | light breeze |
| 26 | 18 | light breeze |
| 27 | 18 | light breeze |
| 28 | 18 | light breeze |
| 29 | 18 | light breeze |
| 30 | 18 | light breeze |
| 31 | 18 | light breeze |
Sunrise & sunset in January
Daylight runs from about 11 hours at the start of January to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over January. Sunrise moves from 6:53 AM to 6:56 AM, and sunset from 5:55 PM to 6:12 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.0 | 11.0 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.3 | 11.3 |
| Sunrise (AM) | 6:53 | 6:53 | 6:54 | 6:54 | 6:54 | 6:54 | 6:55 | 6:55 | 6:55 | 6:55 | 6:56 | 6:56 | 6:56 | 6:56 | 6:56 | 6:56 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:56 | 6:56 |
| Sunset (PM) | 5:55 | 5:56 | 5:57 | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 | 6:01 | 6:01 | 6:02 | 6:02 | 6:03 | 6:03 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:09 | 6:09 | 6:10 | 6:10 | 6:11 | 6:11 | 6:12 | 6:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.0 | 6:53 | 5:55 |
| 2 | 11.0 | 6:53 | 5:56 |
| 3 | 11.1 | 6:54 | 5:57 |
| 4 | 11.1 | 6:54 | 5:57 |
| 5 | 11.1 | 6:54 | 5:58 |
| 6 | 11.1 | 6:54 | 5:58 |
| 7 | 11.1 | 6:55 | 5:59 |
| 8 | 11.1 | 6:55 | 5:59 |
| 9 | 11.1 | 6:55 | 6:00 |
| 10 | 11.1 | 6:55 | 6:01 |
| 11 | 11.1 | 6:56 | 6:01 |
| 12 | 11.1 | 6:56 | 6:02 |
| 13 | 11.1 | 6:56 | 6:02 |
| 14 | 11.1 | 6:56 | 6:03 |
| 15 | 11.1 | 6:56 | 6:03 |
| 16 | 11.1 | 6:56 | 6:04 |
| 17 | 11.1 | 6:57 | 6:05 |
| 18 | 11.1 | 6:57 | 6:05 |
| 19 | 11.1 | 6:57 | 6:06 |
| 20 | 11.2 | 6:57 | 6:06 |
| 21 | 11.2 | 6:57 | 6:07 |
| 22 | 11.2 | 6:57 | 6:07 |
| 23 | 11.2 | 6:57 | 6:08 |
| 24 | 11.2 | 6:57 | 6:09 |
| 25 | 11.2 | 6:57 | 6:09 |
| 26 | 11.2 | 6:57 | 6:10 |
| 27 | 11.2 | 6:57 | 6:10 |
| 28 | 11.2 | 6:57 | 6:11 |
| 29 | 11.2 | 6:57 | 6:11 |
| 30 | 11.3 | 6:56 | 6:12 |
| 31 | 11.3 | 6:56 | 6:12 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 5.38 kWh/m².
For context, solar energy here swings from a low near 5.2 kWh/m² to a high of 7.02 kWh/m² in April across the year — January's 5.38 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.6 | 5.7 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.3 | Bright |
| 2 | 5.3 | Bright |
| 3 | 5.3 | Bright |
| 4 | 5.3 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.3 | Bright |
| 7 | 5.3 | Bright |
| 8 | 5.3 | Bright |
| 9 | 5.3 | Bright |
| 10 | 5.3 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.4 | Bright |
| 15 | 5.4 | Bright |
| 16 | 5.4 | Bright |
| 17 | 5.4 | Bright |
| 18 | 5.4 | Bright |
| 19 | 5.4 | Bright |
| 20 | 5.4 | Bright |
| 21 | 5.5 | Bright |
| 22 | 5.5 | Bright |
| 23 | 5.5 | Bright |
| 24 | 5.5 | Bright |
| 25 | 5.5 | Bright |
| 26 | 5.5 | Bright |
| 27 | 5.6 | Bright |
| 28 | 5.6 | Bright |
| 29 | 5.6 | Bright |
| 30 | 5.6 | Bright |
| 31 | 5.7 | Bright |
Hazard calendar for Santo Domingo Tehuantepec
None of Santo Domingo Tehuantepec's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Santo Domingo Tehuantepec sits in the Atlantic hurricane belt; the season peaks August–October.
Santo Domingo Tehuantepec's monsoon runs June–September, when most of the year's rain falls.
Is January a good time to visit Santo Domingo Tehuantepec?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Santo Domingo Tehuantepec for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Santo Domingo Tehuantepec in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Santo Domingo Tehuantepec sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: sun protection.
Sea temperature near Santo Domingo Tehuantepec in January
The nearest coast averages about 26°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 25 km away) is warmest in August at about 30°C and coldest in January near 26°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 26 | 27 | 28 | 29 | 30 | 30 | 30 | 30 | 29 | 27 | 27 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Tropical |
| May | 29 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 27 | Warm |
| Dec | 27 | Warm |
UV index in Santo Domingo Tehuantepec in January
Clear-sky midday UV in January peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santo Domingo Tehuantepec peaks around April 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 12 | 12 | 13 | 12 | 13 | 12 | 13 | 11 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 12 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Santo Domingo Tehuantepec in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Santo Domingo Tehuantepec is worst in May — around 32 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (November, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 14 | 25 | 32 | 21 | 27 | 20 | 18 | 11 | 8 | 8 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 14 | Moderate |
| Apr | 25 | Moderate |
| May | 32 | Moderate |
| Jun | 21 | Moderate |
| Jul | 27 | Moderate |
| Aug | 20 | Moderate |
| Sep | 18 | Moderate |
| Oct | 11 | Good |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Santo Domingo Tehuantepec?
Santo Domingo Tehuantepec sits at 16.3°N, 95.2°W, 44 m above sea level, in Mexico. The nearest listed city is Salina Cruz, 17 km away.
Topography around Santo Domingo Tehuantepec
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Domingo Tehuantepec.
Within 3 km, the terrain around Santo Domingo Tehuantepec has only modest variations in elevation — a maximum elevation change of 156 m around an average of 45 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,049 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,818 m.
The land around Santo Domingo Tehuantepec is covered by artificial surfaces (33%) and grassland (23%) within 3 km, trees (40%) and grassland (20%) within 16 km, and trees (40%) and water (28%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Santo Domingo Tehuantepec (16.3246°, -95.241°, elevation 44 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).