Long term weather forecast
Long term weather forecast

Monthly weather forecast and Climate
Chetumal, Mexico

Wettest month (with highest rainfall) is September (206.8mm).
Driest month (with lowest rainfall) is March (26.4mm).

Month with highest number of rainy days is September (15.8 days).
Months with lowest number of rainy days are March and April (3.8 days).

Best months for swimming (with highest average sea temperature) are August, September and October (29°C).
Coldest months (with lowest average sea temperature) are January, February, March, April and December (27°C).

Months with longest days are April, May, June, July and August (Average daylight: 13h).
Months with shortest days are January, November and December (Average daylight: 11h).

Month with most sunshine is April (Average sunshine: 9.1h).
Month with least sunshine is December (Average sunshine: 6.6h).

Months with highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with lowest UV index are January, November and December (UV index 8).