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Cancún Weather by Month
Average temperatures, rainfall and humidity for Cancún, Mexico, month by month, built from OpenWeather's historical records. Use it to see what a typical Cancún month looks like before you travel — then check the live Cancún forecast for the days ahead.
Warmest month
August
32°C average high
Coolest month
January
21°C average low
Wettest month
October
90 mm of rain
Driest month
April
13 mm of rain
Average temperature and rainfall in Cancún 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 | 27°C | 21°C | 13°C / 31°C | 37 mm | 80% | 13 km/h |
| February | 28°C | 21°C | 11°C / 32°C | 15 mm | 78% | 14 km/h |
| March | 28°C | 22°C | 10°C / 33°C | 18 mm | 77% | 15 km/h |
| April | 30°C | 23°C | 15°C / 33°C | 13 mm | 77% | 15 km/h |
| May | 31°C | 24°C | 13°C / 35°C | 24 mm | 78% | 14 km/h |
| June | 31°C | 25°C | 20°C / 35°C | 85 mm | 82% | 14 km/h |
| July | 32°C | 25°C | 19°C / 35°C | 25 mm | 83% | 12 km/h |
| August | 32°C | 25°C | 19°C / 36°C | 51 mm | 83% | 11 km/h |
| September | 31°C | 25°C | 17°C / 35°C | 62 mm | 84% | 11 km/h |
| October | 30°C | 24°C | 18°C / 36°C | 90 mm | 84% | 12 km/h |
| November | 28°C | 22°C | 14°C / 32°C | 59 mm | 81% | 13 km/h |
| December | 28°C | 21°C | 12°C / 31°C | 50 mm | 82% | 13 km/h |
Best time to visit Cancún
The most comfortable time to visit Cancún 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 October, totalling about 530 mm a year.
Travellers who prefer heat should aim for August, when highs average 32°C. October is the month to avoid if rain would spoil your plans — it averages 90 mm, roughly 7× the rainfall of April.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Cancún forecast for what is happening now.