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Chetumal Weather by Month
Average temperatures, rainfall and humidity for Chetumal, Mexico, month by month, built from OpenWeather’s historical records. Use it to see what a typical Chetumal month looks like before you travel — then check the live Chetumal forecast for the days ahead.
Warmest month
August
32°C average high
Coolest month
January
20°C average low
Wettest month
June
76 mm of rain
Driest month
April
19 mm of rain
Average temperature and rainfall in Chetumal by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 28°C | 20°C | 12°C / 34°C | 39 mm | 82% | 12 km/h |
| February | 29°C | 21°C | 9°C / 34°C | 26 mm | 79% | 14 km/h |
| March | 30°C | 23°C | 11°C / 39°C | 25 mm | 76% | 16 km/h |
| April | 31°C | 24°C | 17°C / 36°C | 19 mm | 76% | 17 km/h |
| May | 32°C | 26°C | 19°C / 36°C | 33 mm | 78% | 17 km/h |
| June | 31°C | 26°C | 21°C / 38°C | 76 mm | 81% | 16 km/h |
| July | 32°C | 26°C | 22°C / 55°C | 43 mm | 80% | 15 km/h |
| August | 32°C | 25°C | 13°C / 36°C | 49 mm | 80% | 14 km/h |
| September | 32°C | 25°C | 21°C / 35°C | 61 mm | 82% | 12 km/h |
| October | 31°C | 24°C | 18°C / 39°C | 74 mm | 83% | 11 km/h |
| November | 30°C | 22°C | 15°C / 39°C | 59 mm | 82% | 11 km/h |
| December | 29°C | 21°C | 12°C / 37°C | 44 mm | 82% | 12 km/h |
Best time to visit Chetumal
The most comfortable time to visit Chetumal is generally January to March, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around June, totalling about 549 mm a year.
Travellers who prefer heat should aim for August, when highs average 32°C. June is the month to avoid if rain would spoil your plans — it averages 76 mm, roughly 4× the rainfall of the driest month (April).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Chetumal forecast for what is happening now.