Average annual temperature is 24.5 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 30 days
Number of rainy days: 335 days
Look at detailed online map of Porters Mountain
* Weather data for Porters Mountain 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) | 30.0 | 30.1 | 31.5 | 30.9 | 32.4 | 33.1 | 34.0 | 34.9 | 33.2 | 33.1 | 31.9 | 30.7 |
| Average daytime temperature (°C) | 28.1 | 28.8 | 28.9 | 29.2 | 30.0 | 30.6 | 32.0 | 31.8 | 31.9 | 30.9 | 29.5 | 28.1 |
| Average temperature (°C) | 22.4 | 22.6 | 22.5 | 23.4 | 24.7 | 25.5 | 26.1 | 26.4 | 26.3 | 25.7 | 24.6 | 23.5 |
| Average night temperature (°C) | 18.8 | 18.8 | 18.4 | 19.4 | 21.1 | 22.3 | 21.9 | 22.8 | 22.6 | 22.5 | 21.6 | 20.7 |
| Absolute minimum temperature (°C) | 16.3 | 16.9 | 15.7 | 17.4 | 19.9 | 21.2 | 20.3 | 21.0 | 21.6 | 21.0 | 19.7 | 18.8 |
| 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 | 10.1 | 10.1 | 11.2 | 10.7 | 9.9 | 11.2 | 10.7 | 10.6 | 10.1 | 8.9 | 9.4 |
| Precipitation (mm) | 33 | 43 | 91 | 88 | 192 | 180 | 72 | 87 | 75 | 71 | 116 | 49 |
| Sunny days | 9 | 7 | 3 | 1 | 0 | 0 | 0 | 4 | 0 | 0 | 2 | 4 |
| Rainy days | 22 | 21 | 28 | 29 | 31 | 30 | 31 | 27 | 30 | 31 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Porters Mountain is at