Monthly weather forecast and climate
Belize City, Belize BZ

The warmest month (with the highest average high temperature) is May (31.8°C).
The month with the lowest average high temperature is January (27.6°C).

The month with the highest average low temperature is June (24.7°C).
The coldest month (with the lowest average low temperature) is January (19.5°C).

Months with the highest relative humidity are August, September, November and December (84%).
The month with the lowest relative humidity is April (77%).

The wettest month (with the highest rainfall) is September (286.5mm).
The driest month (with the lowest rainfall) is April (51.7mm).

The month with the highest number of rainy days is July (16.3 days).
The month with the lowest number of rainy days is April (3.9 days).

Best months for swimming (with the highest average sea temperature) are May, June, July, August, September, October and November (29°C).
Coldest months (with the lowest average sea temperature) are January, February and March (27°C).

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11.1h).

The month with most sunshine is April (Average sunshine: 8.5h).
The month with least sunshine is September (Average sunshine: 5.9h).

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).