Cihuatlán weather in December
In December, Cihuatlán sees average daytime highs of 29°C and overnight lows near 18°C, with 12 mm of rain across 1.7 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 55% of the time in December, and the air most often feels muggy.
Daylight stretches from about 10 h 54 min at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Cihuatlán's 7th-clearest and 7th-windiest month. For the whole year in context, see Cihuatlán's year-round climate.
- Daytime high
- 29°
- 10th warmest
- Overnight low
- 18°
- 4th coldest
- Rainfall
- 12 mm
- 1.7 wet days
- Daylight
- 10 h 48 min
- 7:29 AM – 6:20 PM
- Cloud cover
- 41%
- 7th clearest
- Wind
- 5 km/h
- 7th windiest
- Solar energy
- 4.68 kWh/m²
- Travel score
- 7.1
- out of 10
Cihuatlán is municipal seat of Cihuatlán, State of Jalisco, Mexico.
- Density
- 8,028/km²
- people per km²
- Founded
- 1867
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 29°C through the month.
A typical December day in Cihuatlán reaches about 29°C in the afternoon and slips back to 18°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 30°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.
| 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 19 |
| 2 | 29 | 19 |
| 3 | 29 | 19 |
| 4 | 29 | 19 |
| 5 | 29 | 19 |
| 6 | 29 | 19 |
| 7 | 29 | 19 |
| 8 | 29 | 19 |
| 9 | 29 | 19 |
| 10 | 29 | 19 |
| 11 | 29 | 19 |
| 12 | 29 | 18 |
| 13 | 29 | 18 |
| 14 | 29 | 18 |
| 15 | 29 | 18 |
| 16 | 28 | 18 |
| 17 | 28 | 18 |
| 18 | 28 | 18 |
| 19 | 28 | 18 |
| 20 | 28 | 18 |
| 21 | 28 | 18 |
| 22 | 28 | 18 |
| 23 | 28 | 18 |
| 24 | 28 | 18 |
| 25 | 28 | 18 |
| 26 | 28 | 18 |
| 27 | 28 | 18 |
| 28 | 28 | 18 |
| 29 | 28 | 18 |
| 30 | 28 | 18 |
| 31 | 28 | 18 |
How December really feels in Cihuatlán
Once humidity and wind are folded in, December 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.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Cihuatlán weather by month
How December compares with the rest of the year at a glance. December is the 10th-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 | 28° / 17° | 20 | 1.3 | 11 | 7.4 |
| Feb | 28° / 18° | 15 | 0.8 | 11.3 | 7.5 |
| Mar | 29° / 18° | 6 | 0.4 | 11.9 | 7.4 |
| Apr | 30° / 19° | 1 | 0.1 | 12.4 | 6.8 |
| May | 31° / 21° | 6 | 1.2 | 12.9 | 5.9 |
| Jun | 31° / 23° | 156 | 15.1 | 13.1 | 4.1 |
| Jul | 31° / 24° | 194 | 21.8 | 13 | 3.3 |
| Aug | 30° / 24° | 266 | 24.6 | 12.7 | 3.2 |
| Sep | 30° / 24° | 295 | 25.5 | 12.1 | 3.2 |
| Oct | 30° / 23° | 168 | 19.8 | 11.6 | 4.1 |
| Nov | 29° / 21° | 26 | 4.4 | 11.1 | 6.3 |
| Dec | 29° / 18° | 12 | 1.7 | 10.9 | 7.1 |
Cloud cover in December
The sky is clear or mostly clear about 55% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to cloud over 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 (%) | 75 | 74 | 74 | 74 | 73 | 73 | 72 | 73 | 72 | 71 | 71 | 72 | 71 | 71 | 70 | 70 | 70 | 69 | 70 | 70 | 69 | 69 | 67 | 67 | 67 | 66 | 67 | 66 | 66 | 66 | 66 |
| Cloudier (%) | 25 | 26 | 26 | 26 | 27 | 27 | 28 | 27 | 28 | 29 | 29 | 28 | 29 | 29 | 30 | 30 | 30 | 31 | 30 | 30 | 31 | 31 | 33 | 33 | 33 | 34 | 33 | 34 | 34 | 34 | 34 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 75 | 25 |
| 2 | 74 | 26 |
| 3 | 74 | 26 |
| 4 | 74 | 26 |
| 5 | 73 | 27 |
| 6 | 73 | 27 |
| 7 | 72 | 28 |
| 8 | 73 | 27 |
| 9 | 72 | 28 |
| 10 | 71 | 29 |
| 11 | 71 | 29 |
| 12 | 72 | 28 |
| 13 | 71 | 29 |
| 14 | 71 | 29 |
| 15 | 70 | 30 |
| 16 | 70 | 30 |
| 17 | 70 | 30 |
| 18 | 69 | 31 |
| 19 | 70 | 30 |
| 20 | 70 | 30 |
| 21 | 69 | 31 |
| 22 | 69 | 31 |
| 23 | 67 | 33 |
| 24 | 67 | 33 |
| 25 | 67 | 33 |
| 26 | 66 | 34 |
| 27 | 67 | 33 |
| 28 | 66 | 34 |
| 29 | 66 | 34 |
| 30 | 66 | 34 |
| 31 | 66 | 34 |
Chance of precipitation in December
Cihuatlán gets around 12 mm of rain over 1.7 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 5% and peaks near 6% 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 (%) | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Rain chance (%) | |
|---|---|
| 1 | 6 |
| 2 | 6 |
| 3 | 6 |
| 4 | 6 |
| 5 | 6 |
| 6 | 6 |
| 7 | 5 |
| 8 | 5 |
| 9 | 5 |
| 10 | 5 |
| 11 | 5 |
| 12 | 5 |
| 13 | 5 |
| 14 | 5 |
| 15 | 5 |
| 16 | 5 |
| 17 | 5 |
| 18 | 5 |
| 19 | 5 |
| 20 | 5 |
| 21 | 5 |
| 22 | 5 |
| 23 | 5 |
| 24 | 5 |
| 25 | 5 |
| 26 | 5 |
| 27 | 5 |
| 28 | 5 |
| 29 | 5 |
| 30 | 5 |
| 31 | 5 |
Humidity in December
Most of December feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the muggy band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 71% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 |
| Humid (%) | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 16 | 17 | 18 | 19 | 21 | 22 | 24 | 26 | 27 | 29 | 31 | 32 | 33 | 34 | 35 | 36 | 36 | 37 | 37 | 37 | 38 | 38 |
| Muggy (%) | 52 | 53 | 55 | 56 | 56 | 56 | 57 | 58 | 58 | 57 | 57 | 56 | 57 | 56 | 55 | 55 | 54 | 54 | 54 | 53 | 52 | 52 | 52 | 51 | 50 | 51 | 50 | 51 | 51 | 50 | 50 |
| Oppressive (%) | 34 | 33 | 31 | 30 | 29 | 28 | 26 | 25 | 24 | 23 | 22 | 21 | 19 | 18 | 17 | 15 | 14 | 13 | 11 | 10 | 10 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 5 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|
| 1 | 2 | 12 | 52 | 34 |
| 2 | 2 | 12 | 53 | 33 |
| 3 | 2 | 12 | 55 | 31 |
| 4 | 2 | 12 | 56 | 30 |
| 5 | 2 | 13 | 56 | 29 |
| 6 | 3 | 13 | 56 | 28 |
| 7 | 3 | 14 | 57 | 26 |
| 8 | 3 | 14 | 58 | 25 |
| 9 | 3 | 15 | 58 | 24 |
| 10 | 4 | 16 | 57 | 23 |
| 11 | 4 | 17 | 57 | 22 |
| 12 | 5 | 18 | 56 | 21 |
| 13 | 5 | 19 | 57 | 19 |
| 14 | 5 | 21 | 56 | 18 |
| 15 | 6 | 22 | 55 | 17 |
| 16 | 6 | 24 | 55 | 15 |
| 17 | 6 | 26 | 54 | 14 |
| 18 | 6 | 27 | 54 | 13 |
| 19 | 6 | 29 | 54 | 11 |
| 20 | 6 | 31 | 53 | 10 |
| 21 | 6 | 32 | 52 | 10 |
| 22 | 6 | 33 | 52 | 9 |
| 23 | 6 | 34 | 52 | 8 |
| 24 | 6 | 35 | 51 | 8 |
| 25 | 6 | 36 | 50 | 8 |
| 26 | 6 | 36 | 51 | 7 |
| 27 | 6 | 37 | 50 | 7 |
| 28 | 6 | 37 | 51 | 6 |
| 29 | 6 | 37 | 51 | 6 |
| 30 | 7 | 38 | 50 | 6 |
| 31 | 7 | 38 | 50 | 5 |
Wind in December
Winds average 5 km/h in December.
Across December, daily wind ranges from about 5 km/h on the calmest days to 6 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in December
Daylight runs from about 10 h 54 min at the start of December to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 7:20 AM to 7:36 AM, and sunset from 6:16 PM to 6:27 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 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.9 | 10.9 |
| Sunrise (AM) | 7:20 | 7:21 | 7:22 | 7:22 | 7:23 | 7:23 | 7:24 | 7:25 | 7:25 | 7:26 | 7:26 | 7:27 | 7:27 | 7:28 | 7:28 | 7:29 | 7:30 | 7:30 | 7:31 | 7:31 | 7:32 | 7:32 | 7:33 | 7:33 | 7:33 | 7:34 | 7:34 | 7:35 | 7:35 | 7:35 | 7:36 |
| Sunset (PM) | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 | 6:18 | 6:19 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:27 | 6:27 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.9 | 7:20 | 6:16 |
| 2 | 10.9 | 7:21 | 6:16 |
| 3 | 10.9 | 7:22 | 6:16 |
| 4 | 10.9 | 7:22 | 6:16 |
| 5 | 10.9 | 7:23 | 6:16 |
| 6 | 10.9 | 7:23 | 6:17 |
| 7 | 10.9 | 7:24 | 6:17 |
| 8 | 10.9 | 7:25 | 6:17 |
| 9 | 10.9 | 7:25 | 6:17 |
| 10 | 10.9 | 7:26 | 6:18 |
| 11 | 10.9 | 7:26 | 6:18 |
| 12 | 10.9 | 7:27 | 6:18 |
| 13 | 10.9 | 7:27 | 6:19 |
| 14 | 10.9 | 7:28 | 6:19 |
| 15 | 10.8 | 7:28 | 6:19 |
| 16 | 10.8 | 7:29 | 6:20 |
| 17 | 10.8 | 7:30 | 6:20 |
| 18 | 10.8 | 7:30 | 6:21 |
| 19 | 10.8 | 7:31 | 6:21 |
| 20 | 10.8 | 7:31 | 6:22 |
| 21 | 10.8 | 7:32 | 6:22 |
| 22 | 10.8 | 7:32 | 6:22 |
| 23 | 10.8 | 7:33 | 6:23 |
| 24 | 10.8 | 7:33 | 6:23 |
| 25 | 10.8 | 7:33 | 6:24 |
| 26 | 10.8 | 7:34 | 6:24 |
| 27 | 10.8 | 7:34 | 6:25 |
| 28 | 10.8 | 7:35 | 6:25 |
| 29 | 10.8 | 7:35 | 6:26 |
| 30 | 10.9 | 7:35 | 6:27 |
| 31 | 10.9 | 7:36 | 6:27 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.68 kWh/m².
For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 7.4 kWh/m² in April across the year — December's 4.68 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) | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 |
| 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 | 4.7 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.7 | Bright |
| 6 | 4.7 | Bright |
| 7 | 4.7 | Bright |
| 8 | 4.7 | Bright |
| 9 | 4.6 | Bright |
| 10 | 4.6 | Bright |
| 11 | 4.6 | Bright |
| 12 | 4.6 | Bright |
| 13 | 4.6 | Bright |
| 14 | 4.6 | Bright |
| 15 | 4.6 | Bright |
| 16 | 4.6 | Bright |
| 17 | 4.6 | Bright |
| 18 | 4.6 | Bright |
| 19 | 4.6 | Bright |
| 20 | 4.7 | Bright |
| 21 | 4.7 | Bright |
| 22 | 4.7 | Bright |
| 23 | 4.7 | Bright |
| 24 | 4.7 | Bright |
| 25 | 4.7 | Bright |
| 26 | 4.7 | Bright |
| 27 | 4.7 | Bright |
| 28 | 4.7 | Bright |
| 29 | 4.7 | Bright |
| 30 | 4.8 | Bright |
| 31 | 4.8 | Bright |
Hazard calendar for Cihuatlán
None of Cihuatlán's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Cihuatlán sits in the eastern Pacific hurricane zone; the season peaks August–September.
Cihuatlán's monsoon runs June–October, when most of the year's rain falls.
Is December a good time to visit Cihuatlán?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is one of the better times to visit Cihuatlán for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Cihuatlán in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Cihuatlán sees daytime highs around 29°C and nights near 18°C. Pack light clothes. Worth having: sun protection.
Sea temperature near Cihuatlán in December
The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 km away) is warmest in August at about 30°C and coldest in April near 25°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) | 27 | 26 | 25 | 25 | 27 | 28 | 30 | 30 | 30 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 26 | Warm |
| Mar | 25 | Warm |
| Apr | 25 | Warm |
| May | 27 | Warm |
| Jun | 28 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Cihuatlán in December
Clear-sky midday UV in December peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cihuatlán peaks around May 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 6 (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 | 10 | 12 | 12 | 12 | 10 | 11 | 9 | 11 | 8 | 7 | 6 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Cihuatlán in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Cihuatlán is worst in May — around 48 µg/m³ PM2.5 (poor), about 5.2× the cleanest month (February, 9 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) | 10 | 9 | 10 | 20 | 48 | 20 | 12 | 10 | 10 | 10 | 10 | 10 |
| Level | Good | Good | Good | Moderate | Poor | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 9 | Good |
| Mar | 10 | Good |
| Apr | 20 | Moderate |
| May | 48 | Poor |
| Jun | 20 | Moderate |
| Jul | 12 | Good |
| Aug | 10 | Good |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 10 | Good |
Where is Cihuatlán?
Cihuatlán sits at 19.2°N, 104.6°W, 29 m above sea level, in Mexico. The nearest listed city is Manzanillo, 27 km away.
Topography around Cihuatlán
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cihuatlán.
Within 3 km, the terrain around Cihuatlán has significant variations in elevation — a maximum elevation change of 318 m around an average of 78 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 880 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,867 m.
The land around Cihuatlán is covered by trees (72%) within 3 km, trees (60%) within 16 km, and trees (51%) and water (34%) 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 Cihuatlán (19.2366°, -104.5651°, elevation 29 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).