Chetumal in Winter
In winter (December, January and February), Chetumal sees average daytime highs around 28°C and overnight lows near 22°C, with 131 mm of rain over about 33 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 51% of the time across winter, and the air most often feels oppressive.
Winter is Chetumal's best season of the year to visit on our travel score. Chetumal has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Chetumal's year-round climate.
- Avg daytime high
- 28°C
- coldest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 131 mm
- 33 wet days
- Avg wind
- 13 km/h
- Travel score
- 6.4
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Chetumal in Winter
Across winter, daytime highs hold fairly steady around 28°C.
A typical winter day in Chetumal reaches about 28°C and drops to 22°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Chetumal
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter 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 the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| 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 Winter
The sky is clear or mostly clear about 51% of the time across winter.
Chance of precipitation in Winter
Chetumal gets around 131 mm of rain over 33 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 13 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 hours in early December to 11 h 36 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.2 kWh/m².
Hazard calendar for Chetumal
None of Chetumal's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
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 winter a good time to visit Chetumal?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter 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 Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Chetumal sees daytime highs around 28°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 33 days see rain.
Sea temperature near Chetumal in Winter
The nearest coast averages about 26°C across winter — 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 Winter
Clear-sky midday UV across winter averages around 9 (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 Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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.