Cancun Weather by Month
Twelve months of Cancun, Mexico weather — averages from 2006–2025.
Cancun's warmest month is August (average high 30.5°C (86.9°F)) and the coolest is January (25.7°C (78.3°F)). The most rain falls in September (about 185 mm), and March is the driest (about 33 mm). May is the sunniest, with about 11.9 hours of sunshine a day.
Best months to visit Cancun
Ranked within Cancun's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Cancun month by month
January
GoodHigh 25.7°C (78.3°F)
Low 22°C (71.6°F)
- Rainfall
- 70 mm (2.8 in)
- Rainy days
- 12 rainy days
- Sunshine
- 9.1 h sunshine / day
February
GreatHigh 26.4°C (79.5°F)
Low 22.5°C (72.5°F)
- Rainfall
- 45 mm (1.8 in)
- Rainy days
- 9 rainy days
- Sunshine
- 10.3 h sunshine / day
March
GoodHigh 27.3°C (81.1°F)
Low 23.2°C (73.8°F)
- Rainfall
- 33 mm (1.3 in)
- Rainy days
- 8 rainy days
- Sunshine
- 11.3 h sunshine / day
April
GoodHigh 28.7°C (83.7°F)
Low 24.3°C (75.7°F)
- Rainfall
- 37 mm (1.5 in)
- Rainy days
- 6 rainy days
- Sunshine
- 11.8 h sunshine / day
May
GoodHigh 29.5°C (85.1°F)
Low 25.2°C (77.4°F)
- Rainfall
- 83 mm (3.3 in)
- Rainy days
- 13 rainy days
- Sunshine
- 11.9 h sunshine / day
June
FairHigh 29.6°C (85.3°F)
Low 25.7°C (78.3°F)
- Rainfall
- 182 mm (7.2 in)
- Rainy days
- 19 rainy days
- Sunshine
- 10.9 h sunshine / day
July
FairHigh 30.3°C (86.5°F)
Low 26.2°C (79.2°F)
- Rainfall
- 106 mm (4.2 in)
- Rainy days
- 17 rainy days
- Sunshine
- 11.8 h sunshine / day
August
FairHigh 30.5°C (86.9°F)
Low 26.2°C (79.2°F)
- Rainfall
- 137 mm (5.4 in)
- Rainy days
- 21 rainy days
- Sunshine
- 11.4 h sunshine / day
September
FairHigh 29.9°C (85.8°F)
Low 25.7°C (78.3°F)
- Rainfall
- 185 mm (7.3 in)
- Rainy days
- 23 rainy days
- Sunshine
- 10.5 h sunshine / day
October
FairHigh 28.7°C (83.7°F)
Low 24.8°C (76.6°F)
- Rainfall
- 179 mm (7 in)
- Rainy days
- 20 rainy days
- Sunshine
- 9.9 h sunshine / day
November
GoodHigh 27.2°C (81°F)
Low 23.4°C (74.1°F)
- Rainfall
- 95 mm (3.8 in)
- Rainy days
- 13 rainy days
- Sunshine
- 10.1 h sunshine / day
December
GoodHigh 26.5°C (79.7°F)
Low 22.8°C (73°F)
- Rainfall
- 68 mm (2.7 in)
- Rainy days
- 13 rainy days
- Sunshine
- 9.7 h sunshine / day
More Mexico cities by month
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.