Average annual temperature is 23.4 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: 14.8 °C
Number of sunny days: 22 days
Number of rainy days: 343 days
Look at detailed online map of Alderton
* Weather data for Alderton 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) | 27.3 | 27.3 | 29.4 | 29.9 | 31.2 | 31.3 | 32.0 | 33.0 | 32.3 | 31.5 | 28.6 | 27.4 |
| Average daytime temperature (°C) | 25.0 | 25.2 | 26.9 | 27.6 | 29.0 | 28.7 | 29.9 | 30.6 | 30.3 | 28.8 | 26.8 | 25.2 |
| Average temperature (°C) | 20.7 | 21.0 | 21.6 | 22.4 | 24.0 | 24.7 | 25.3 | 25.6 | 25.3 | 24.4 | 23.2 | 21.9 |
| Average night temperature (°C) | 17.6 | 17.8 | 17.9 | 18.7 | 20.6 | 21.9 | 22.0 | 22.3 | 22.0 | 21.6 | 20.7 | 19.7 |
| Absolute minimum temperature (°C) | 14.8 | 15.3 | 16.2 | 17.1 | 19.4 | 21.0 | 20.9 | 21.2 | 21.2 | 19.4 | 18.2 | 18.2 |
| 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 | 11.5 | 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) | 10.1 | 10.4 | 10.2 | 11.0 | 10.6 | 10.3 | 11.4 | 10.6 | 10.2 | 9.3 | 8.6 | 8.7 |
| Precipitation (mm) | 54 | 60 | 67 | 91 | 105 | 101 | 60 | 91 | 85 | 138 | 143 | 85 |
| Sunny days | 4 | 2 | 7 | 2 | 1 | 2 | 1 | 0 | 0 | 1 | 1 | 1 |
| Rainy days | 27 | 26 | 24 | 28 | 30 | 28 | 30 | 31 | 30 | 30 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Alderton is at