| Average climate data for Santa Elena, Belize | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 28 | 28 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 29 | 29 | 29 | 29 |
| Average minimum temperature (°C) | 26 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 26 | 26 | 26 | 24 |
| Average precipitation (mm) | 166 | 138 | 180 | 140 | 77 | 37 | 27 | 15 | 27 | 50 | 149 | 206 | 1,212 |
| Average rainfall days (days) | 28 | 25 | 26 | 26 | 22 | 15 | 15 | 12 | 12 | 18 | 24 | 27 | 251 |
| Average snowfall (mm) | 104 | 99 | 96 | 23 | 13 | 0 | 0 | 0 | 0 | 16 | 24 | 83 | 458 |
| Average snowfall days (days) | 14 | 12 | 12 | 3 | 1 | 0 | 0 | 0 | 0 | 2 | 4 | 12 | 61 |
| Average relative humidity (%) | 80 | 80 | 77 | 78 | 80 | 80 | 79 | 79 | 79 | 78 | 78 | 79 | 79 |
| Average wind speed (km/h) | 11 | 9 | 9 | 8 | 10 | 12 | 13 | 13 | 13 | 12 | 10 | 10 | 11 |
| Average water temperature (°C) | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 |
| Average daily daylight hours (h) | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 |
| Average daily sunshine hours (h) | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 11 | 11 | 9 | 9 |
| Average cloud coverage (%) | 43 | 41 | 38 | 36 | 30 | 24 | 26 | 21 | 21 | 23 | 32 | 45 | 32 |
| Average UV index | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
The warmest month, with the highest average maximum temperature, is November (28.8 °C). The month with the lowest average maximum temperature is August (27.1 °C). Overall, the average maximum temperature over the whole year is 28.1 °C.
The month with the highest average minimum temperature is November (26.4 °C). The coldest month, with the lowest average minimum temperature, is August (23.8 °C). Overall, the average minimum temperature over the whole year is 25.3 °C.
The month with the highest average water temperature is February (29.1 °C). The month with the lowest average water temperature is August (26.9 °C). Overall, the average water temperature over the whole year is 28.2 °C.
The wettest month, with the highest amount of precipitation, is December (206.1 mm). The driest month, with the least amount of precipitation, is August (14.8 mm). Over the whole year there are 1,211.6 mm of rainfall on average.
The month with the most days of rain is January (28.1 days). The month with the fewest days of rain is August (12.2 days). Over the whole year there are 251.2 days of rain on average.
The month with the most snowfall is January (103.8 mm). The months with the least snowfall are June, July, August and September (0 mm). Over the whole year there are 457.7 mm of snowfall on average.
The month with the most days of snowfall is January (13.7 days). The months with the fewest days of snowfall are June, August and September (0 days). Over the whole year there are 60.6 days of snowfall on average.
The month with the highest average relative humidity is June (80.1 %). The month with the lowest average relative humidity is March (76.9 %). The overall average relative humidity over the whole year is 78.9 %.
The windiest month, with the highest average wind speed, is July (13.4 km/h). The calmest month, with the lowest average wind speed, is April (7.8 km/h). The overall average wind speed over the whole year is 11 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is December (44.6 %). The month with the clearest skies, so the lowest cloud coverage, is August (21.3 %). Over the whole year there is an average cloud coverage of 31.7 %.
The months with the longest days, so the most daylight, are January and December (Average daylight: 12.1 h). The months with the shortest days, so the least daylight, are May, June and July (Average daylight: 11.1 h). Over the whole year there are 11.6 h of daylight per day on average.
The month with the most sunshine per day is November (Average sunshine: 11.1 h). The month with the least sunshine per day is January (Average sunshine: 7.1 h). Over the whole year there are 9 h of sunlight per day on average.
Over the whole year the average UV index is 7.
