Average annual temperature is 22.3 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: 12.5 °C
Number of sunny days: 20 days
Number of rainy days: 345 days
Look at detailed online map of Fern
* Weather data for Fern 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) | 28.1 | 28.8 | 29.7 | 30.7 | 31.4 | 32.1 | 33.3 | 32.5 | 31.5 | 31.6 | 29.2 | 29.1 |
| Average daytime temperature (°C) | 25.7 | 26.5 | 26.9 | 27.5 | 28.6 | 29.0 | 30.4 | 30.1 | 30.1 | 28.8 | 27.0 | 25.8 |
| Average temperature (°C) | 20.2 | 20.5 | 20.6 | 21.4 | 22.8 | 23.8 | 24.2 | 24.2 | 23.9 | 23.3 | 22.1 | 21.0 |
| Average night temperature (°C) | 16.7 | 16.8 | 16.6 | 17.2 | 19.3 | 20.7 | 20.1 | 20.6 | 20.3 | 20.1 | 19.0 | 18.1 |
| Absolute minimum temperature (°C) | 12.5 | 14.5 | 14.2 | 15.6 | 18.4 | 19.5 | 18.5 | 19.4 | 19.2 | 18.3 | 16.8 | 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 | 11.5 | 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) | 10.3 | 10.5 | 10.6 | 11.2 | 11.0 | 9.8 | 11.5 | 10.7 | 10.5 | 10.0 | 8.8 | 9.5 |
| Precipitation (mm) | 37 | 52 | 129 | 118 | 183 | 137 | 106 | 173 | 141 | 120 | 181 | 84 |
| Sunny days | 7 | 2 | 2 | 1 | 0 | 2 | 0 | 3 | 0 | 1 | 1 | 1 |
| Rainy days | 24 | 26 | 29 | 29 | 31 | 28 | 31 | 28 | 30 | 30 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Fern is at