Average annual temperature is 26.5 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 56 days
Number of rainy days: 309 days
Look at detailed online map of San Juan Bank
* Weather data for San Juan Bank Belize is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.7 | 29.8 | 33.4 | 34.3 | 33.9 | 36.3 | 33.0 | 34.7 | 33.9 | 35.7 | 30.5 | 30.3 |
| Average daytime temperature (°C) | 27.9 | 28.5 | 30.1 | 31.5 | 32.4 | 32.8 | 31.3 | 32.6 | 32.1 | 32.2 | 28.8 | 27.3 |
| Average temperature (°C) | 24.2 | 24.9 | 25.9 | 27.0 | 27.6 | 28.4 | 27.8 | 27.9 | 27.5 | 27.4 | 25.2 | 23.7 |
| Average night temperature (°C) | 21.4 | 22.2 | 23.0 | 23.9 | 23.9 | 25.2 | 25.0 | 24.7 | 24.0 | 23.8 | 22.6 | 21.2 |
| Absolute minimum temperature (°C) | 15.1 | 17.9 | 20.6 | 20.9 | 21.4 | 22.6 | 23.2 | 22.7 | 22.0 | 21.7 | 19.4 | 15.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.6 | 10.2 | 10.8 | 11.5 | 11.4 | 11.2 | 10.3 | 10.6 | 10.3 | 10.0 | 8.5 | 8.3 |
| Precipitation (mm) | 46 | 59 | 47 | 22 | 116 | 167 | 204 | 138 | 181 | 91 | 261 | 141 |
| Sunny days | 7 | 6 | 9 | 12 | 3 | 3 | 1 | 2 | 0 | 6 | 3 | 4 |
| Rainy days | 24 | 22 | 22 | 18 | 28 | 27 | 30 | 29 | 30 | 25 | 27 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Bank is at