Chetumal weather in January
In January, Chetumal sees average daytime highs of 27°C and overnight lows near 21°C, with 52 mm of rain across 12.3 wet days and about 11 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 46% of the time in January, and the air most often feels oppressive.
Daylight stretches from about 10 h 54 min at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Chetumal's 4th-clearest and 7th-windiest month. For the whole year in context, see Chetumal's year-round climate.
- Daytime high
- 27°
- 12th warmest
- Overnight low
- 21°
- 1st coldest
- Rainfall
- 52 mm
- 12.3 wet days
- Daylight
- 11 hours
- 6:33 AM – 5:32 PM
- Cloud cover
- 46%
- 4th clearest
- Wind
- 13 km/h
- 7th windiest
- Solar energy
- 3.97 kWh/m²
- Travel score
- 6.4
- out of 10
Chetumal is capital of the State of Quintana Roo, Mexico.
- Founded
- 1898
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 27°C through the month.
A typical January day in Chetumal reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°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) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 |
| Avg low (°C) | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 22 |
| 2 | 27 | 22 |
| 3 | 27 | 22 |
| 4 | 27 | 21 |
| 5 | 27 | 21 |
| 6 | 27 | 21 |
| 7 | 27 | 21 |
| 8 | 27 | 21 |
| 9 | 27 | 21 |
| 10 | 27 | 21 |
| 11 | 27 | 21 |
| 12 | 27 | 21 |
| 13 | 27 | 21 |
| 14 | 27 | 21 |
| 15 | 27 | 21 |
| 16 | 27 | 21 |
| 17 | 27 | 21 |
| 18 | 27 | 21 |
| 19 | 27 | 21 |
| 20 | 27 | 21 |
| 21 | 27 | 21 |
| 22 | 27 | 21 |
| 23 | 27 | 21 |
| 24 | 27 | 21 |
| 25 | 27 | 21 |
| 26 | 27 | 21 |
| 27 | 27 | 21 |
| 28 | 27 | 21 |
| 29 | 28 | 22 |
| 30 | 28 | 22 |
| 31 | 28 | 22 |
How January really feels in Chetumal
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.
Chetumal weather by month
How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 21° | 52 | 12.3 | 11 | 6.4 |
| Feb | 28° / 22° | 24 | 7.1 | 11.4 | 6.6 |
| Mar | 29° / 23° | 26 | 6.8 | 11.9 | 6.1 |
| Apr | 31° / 25° | 32 | 7.4 | 12.4 | 5.3 |
| May | 31° / 25° | 93 | 15.4 | 12.9 | 4.1 |
| Jun | 31° / 26° | 193 | 21.7 | 13.1 | 3.3 |
| Jul | 31° / 26° | 120 | 21.3 | 13 | 3.4 |
| Aug | 31° / 26° | 158 | 23.2 | 12.6 | 3.2 |
| Sep | 31° / 25° | 186 | 25.1 | 12.1 | 2.9 |
| Oct | 30° / 24° | 190 | 21.9 | 11.6 | 3.7 |
| Nov | 28° / 23° | 96 | 14.7 | 11.1 | 5.2 |
| Dec | 28° / 22° | 55 | 13.2 | 10.9 | 6.2 |
Cloud cover in January
The sky is clear or mostly clear about 46% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 27% of January, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.
| 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 (%) | 67 | 67 | 68 | 68 | 69 | 70 | 71 | 71 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 75 | 76 | 76 | 77 | 78 | 78 |
| Cloudier (%) | 33 | 33 | 32 | 32 | 31 | 30 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | 23 | 22 | 22 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 67 | 33 |
| 2 | 67 | 33 |
| 3 | 68 | 32 |
| 4 | 68 | 32 |
| 5 | 69 | 31 |
| 6 | 70 | 30 |
| 7 | 71 | 29 |
| 8 | 71 | 29 |
| 9 | 72 | 28 |
| 10 | 72 | 28 |
| 11 | 73 | 27 |
| 12 | 73 | 27 |
| 13 | 73 | 27 |
| 14 | 73 | 27 |
| 15 | 73 | 27 |
| 16 | 73 | 27 |
| 17 | 73 | 27 |
| 18 | 73 | 27 |
| 19 | 73 | 27 |
| 20 | 73 | 27 |
| 21 | 73 | 27 |
| 22 | 74 | 26 |
| 23 | 74 | 26 |
| 24 | 74 | 26 |
| 25 | 74 | 26 |
| 26 | 75 | 25 |
| 27 | 76 | 24 |
| 28 | 76 | 24 |
| 29 | 77 | 23 |
| 30 | 78 | 22 |
| 31 | 78 | 22 |
Chance of precipitation in January
Chetumal gets around 52 mm of rain over 12.3 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 39% and peaks near 43% on the wettest days. The odds ease toward the end of the month.
| 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 (%) | 43 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 42 | 41 | 41 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 37 | 36 | 36 | 35 | 35 | 35 | 34 | 34 |
| Rain chance (%) | |
|---|---|
| 1 | 43 |
| 2 | 43 |
| 3 | 43 |
| 4 | 43 |
| 5 | 43 |
| 6 | 43 |
| 7 | 42 |
| 8 | 42 |
| 9 | 42 |
| 10 | 41 |
| 11 | 41 |
| 12 | 40 |
| 13 | 40 |
| 14 | 40 |
| 15 | 40 |
| 16 | 39 |
| 17 | 39 |
| 18 | 39 |
| 19 | 39 |
| 20 | 38 |
| 21 | 38 |
| 22 | 37 |
| 23 | 37 |
| 24 | 37 |
| 25 | 36 |
| 26 | 36 |
| 27 | 35 |
| 28 | 35 |
| 29 | 35 |
| 30 | 34 |
| 31 | 34 |
Humidity in January
Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the oppressive band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 79% 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 (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 |
| Humid (%) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 |
| Muggy (%) | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 24 |
| Oppressive (%) | 56 | 57 | 57 | 57 | 56 | 56 | 54 | 54 | 53 | 53 | 51 | 51 | 51 | 51 | 50 | 50 | 50 | 49 | 49 | 49 | 50 | 50 | 50 | 51 | 51 | 53 | 53 | 54 | 54 | 54 | 55 |
| Miserable (%) | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 1 | 6 | 11 | 21 | 56 | 5 |
| 2 | 1 | 6 | 11 | 21 | 57 | 4 |
| 3 | 1 | 6 | 11 | 21 | 57 | 4 |
| 4 | 1 | 6 | 11 | 21 | 57 | 4 |
| 5 | 1 | 6 | 11 | 22 | 56 | 4 |
| 6 | 1 | 6 | 11 | 22 | 56 | 4 |
| 7 | 1 | 7 | 11 | 23 | 54 | 4 |
| 8 | 1 | 7 | 12 | 23 | 54 | 3 |
| 9 | 1 | 7 | 12 | 24 | 53 | 3 |
| 10 | 1 | 7 | 12 | 24 | 53 | 3 |
| 11 | 1 | 7 | 13 | 25 | 51 | 3 |
| 12 | 1 | 8 | 13 | 25 | 51 | 2 |
| 13 | 1 | 8 | 13 | 25 | 51 | 2 |
| 14 | 1 | 8 | 13 | 25 | 51 | 2 |
| 15 | 1 | 8 | 14 | 26 | 50 | 2 |
| 16 | 1 | 8 | 14 | 26 | 50 | 2 |
| 17 | 1 | 8 | 14 | 26 | 50 | 1 |
| 18 | 1 | 8 | 15 | 26 | 49 | 1 |
| 19 | 1 | 7 | 15 | 26 | 49 | 1 |
| 20 | 1 | 7 | 16 | 26 | 49 | 1 |
| 21 | 1 | 7 | 16 | 26 | 50 | 1 |
| 22 | 1 | 7 | 16 | 26 | 50 | 1 |
| 23 | 1 | 6 | 16 | 26 | 50 | 1 |
| 24 | 1 | 6 | 16 | 26 | 51 | 0 |
| 25 | 1 | 6 | 16 | 26 | 51 | 0 |
| 26 | 1 | 5 | 15 | 26 | 53 | 0 |
| 27 | 1 | 5 | 15 | 26 | 53 | 0 |
| 28 | 1 | 5 | 15 | 25 | 54 | 0 |
| 29 | 1 | 5 | 14 | 25 | 54 | 1 |
| 30 | 1 | 5 | 14 | 25 | 54 | 1 |
| 31 | 1 | 5 | 14 | 24 | 55 | 1 |
Wind in January
Winds average 13 km/h in January.
Across January, daily wind ranges from about 13 km/h on the calmest days to 13 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) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| 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 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
| 31 | 13 | light breeze |
Sunrise & sunset in January
Daylight runs from about 10 h 54 min at the start of January to 11 h 12 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 6:29 AM to 6:32 AM, and sunset from 5:24 PM to 5:41 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) | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.2 |
| Sunrise (AM) | 6:29 | 6:30 | 6:30 | 6:30 | 6:30 | 6:31 | 6:31 | 6:31 | 6:31 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:33 | 6:33 | 6:33 | 6:33 | 6:33 | 6:33 | 6:33 | 6:33 | 6:33 | 6:33 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 |
| Sunset (PM) | 5:24 | 5:24 | 5:25 | 5:25 | 5:26 | 5:26 | 5:27 | 5:28 | 5:28 | 5:29 | 5:29 | 5:30 | 5:31 | 5:31 | 5:32 | 5:32 | 5:33 | 5:34 | 5:34 | 5:35 | 5:36 | 5:36 | 5:37 | 5:37 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:41 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.9 | 6:29 | 5:24 |
| 2 | 10.9 | 6:30 | 5:24 |
| 3 | 10.9 | 6:30 | 5:25 |
| 4 | 10.9 | 6:30 | 5:25 |
| 5 | 10.9 | 6:30 | 5:26 |
| 6 | 10.9 | 6:31 | 5:26 |
| 7 | 10.9 | 6:31 | 5:27 |
| 8 | 10.9 | 6:31 | 5:28 |
| 9 | 10.9 | 6:31 | 5:28 |
| 10 | 11.0 | 6:32 | 5:29 |
| 11 | 11.0 | 6:32 | 5:29 |
| 12 | 11.0 | 6:32 | 5:30 |
| 13 | 11.0 | 6:32 | 5:31 |
| 14 | 11.0 | 6:32 | 5:31 |
| 15 | 11.0 | 6:32 | 5:32 |
| 16 | 11.0 | 6:33 | 5:32 |
| 17 | 11.0 | 6:33 | 5:33 |
| 18 | 11.0 | 6:33 | 5:34 |
| 19 | 11.0 | 6:33 | 5:34 |
| 20 | 11.0 | 6:33 | 5:35 |
| 21 | 11.0 | 6:33 | 5:36 |
| 22 | 11.1 | 6:33 | 5:36 |
| 23 | 11.1 | 6:33 | 5:37 |
| 24 | 11.1 | 6:33 | 5:37 |
| 25 | 11.1 | 6:33 | 5:38 |
| 26 | 11.1 | 6:32 | 5:39 |
| 27 | 11.1 | 6:32 | 5:39 |
| 28 | 11.1 | 6:32 | 5:40 |
| 29 | 11.1 | 6:32 | 5:40 |
| 30 | 11.1 | 6:32 | 5:41 |
| 31 | 11.2 | 6:32 | 5:41 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 3.97 kWh/m².
For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 6.23 kWh/m² in April across the year — January's 3.97 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) | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.9 | Moderate |
| 2 | 3.9 | Moderate |
| 3 | 3.9 | Moderate |
| 4 | 3.9 | Moderate |
| 5 | 3.9 | Moderate |
| 6 | 3.9 | Moderate |
| 7 | 3.9 | Moderate |
| 8 | 3.9 | Moderate |
| 9 | 3.9 | Moderate |
| 10 | 3.9 | Moderate |
| 11 | 3.9 | Moderate |
| 12 | 3.9 | Moderate |
| 13 | 3.9 | Moderate |
| 14 | 3.9 | Moderate |
| 15 | 4.0 | Moderate |
| 16 | 4.0 | Moderate |
| 17 | 4.0 | Moderate |
| 18 | 4.0 | Bright |
| 19 | 4.0 | Bright |
| 20 | 4.0 | Bright |
| 21 | 4.1 | Bright |
| 22 | 4.1 | Bright |
| 23 | 4.1 | Bright |
| 24 | 4.1 | Bright |
| 25 | 4.2 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.2 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.3 | Bright |
| 30 | 4.3 | Bright |
| 31 | 4.3 | Bright |
Hazard calendar for Chetumal
None of Chetumal's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Chetumal sits in the Atlantic hurricane belt; the season peaks August–October.
Chetumal's rainy season runs May–November, when most of the year's rain falls.
Is January a good time to visit Chetumal?
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 Chetumal for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Chetumal in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Chetumal sees daytime highs around 27°C and nights near 21°C. Pack light clothes. Worth having: rain gear. About 12 days see rain.
Sea temperature near Chetumal 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 22 km away) is warmest in September 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 | 29 | 29 | 30 | 30 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Warm |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Warm |
| Dec | 27 | Warm |
UV index in Chetumal 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 Chetumal peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (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 | 11 | 12 | 13 | 11 | 13 | 12 | 12 | 12 | 10 | 8 | 7 |
| 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 | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Air quality in Chetumal 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 Chetumal is worst in June — around 30 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (December, 7 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) | 7 | 10 | 11 | 19 | 24 | 30 | 29 | 21 | 15 | 10 | 7 | 7 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 19 | Moderate |
| May | 24 | Moderate |
| Jun | 30 | Moderate |
| Jul | 29 | Moderate |
| Aug | 21 | Moderate |
| Sep | 15 | Moderate |
| Oct | 10 | Good |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Chetumal?
Chetumal sits at 18.5°N, 88.3°W, 3 m above sea level, in Mexico. The nearest listed city is Bacalar, 20 km away.
Topography around Chetumal
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chetumal.
Within 3 km, the terrain around Chetumal has only modest variations in elevation — a maximum elevation change of 19 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 32 m; within 80 km, only modest variations in elevation — a maximum elevation change of 223 m.
The land around Chetumal is covered by artificial surfaces (66%) and trees (20%) within 3 km, water (42%) and trees (40%) within 16 km, and trees (53%) and water (24%) 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 Chetumal (18.5196°, -88.304°, elevation 3 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).