Average annual temperature is 22.4 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: 13.7 °C
Number of sunny days: 33 days
Number of rainy days: 332 days
Look at detailed online map of Castleton
* Weather data for Castleton Jamaica is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 26.4 | 26.6 | 27.9 | 29.0 | 28.9 | 30.6 | 30.8 | 31.9 | 30.0 | 30.1 | 28.3 | 27.8 |
| Average daytime temperature (°C) | 24.0 | 24.5 | 25.4 | 25.7 | 27.3 | 28.3 | 29.2 | 29.3 | 28.6 | 27.5 | 26.5 | 24.9 |
| Average temperature (°C) | 19.9 | 20.2 | 20.4 | 21.1 | 22.7 | 24.0 | 24.8 | 24.7 | 24.2 | 23.3 | 22.7 | 21.4 |
| Average night temperature (°C) | 16.7 | 17.0 | 16.6 | 17.4 | 19.2 | 20.8 | 21.4 | 21.4 | 21.1 | 20.5 | 20.1 | 18.9 |
| Absolute minimum temperature (°C) | 14.0 | 15.0 | 13.7 | 16.0 | 17.2 | 18.2 | 20.2 | 19.6 | 19.6 | 18.5 | 17.2 | 16.6 |
| 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) | 10.2 | 10.6 | 10.7 | 11.4 | 11.4 | 10.8 | 11.5 | 11.2 | 10.7 | 9.4 | 8.8 | 8.9 |
| Precipitation (mm) | 31 | 34 | 104 | 134 | 202 | 149 | 58 | 125 | 170 | 212 | 153 | 119 |
| Sunny days | 6 | 4 | 6 | 1 | 0 | 4 | 4 | 1 | 1 | 0 | 4 | 2 |
| Rainy days | 25 | 24 | 25 | 29 | 31 | 26 | 27 | 30 | 29 | 31 | 26 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castleton is at