Average annual temperature is 26.3 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 58 days
Number of rainy days: 307 days
Look at detailed online map of Old Harbour
* Weather data for Old Harbour 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) | 32.1 | 32.1 | 32.2 | 31.7 | 33.9 | 32.5 | 35.2 | 35.0 | 35.3 | 34.4 | 32.5 | 31.2 |
| Average daytime temperature (°C) | 29.8 | 30.0 | 29.8 | 30.5 | 31.3 | 30.7 | 32.7 | 33.3 | 33.4 | 32.0 | 30.5 | 29.5 |
| Average temperature (°C) | 24.4 | 24.6 | 24.6 | 25.1 | 26.5 | 27.0 | 28.0 | 28.2 | 27.9 | 27.2 | 26.1 | 25.2 |
| Average night temperature (°C) | 20.7 | 20.7 | 20.6 | 20.9 | 22.8 | 23.8 | 23.9 | 24.6 | 24.2 | 24.1 | 23.1 | 22.4 |
| Absolute minimum temperature (°C) | 18.4 | 18.3 | 18.9 | 18.6 | 21.3 | 22.3 | 22.5 | 22.9 | 22.5 | 23.1 | 19.8 | 20.9 |
| 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) | 10.3 | 10.8 | 11.1 | 11.6 | 11.5 | 10.4 | 11.7 | 11.1 | 10.9 | 10.1 | 9.1 | 9.7 |
| Precipitation (mm) | 36 | 29 | 95 | 79 | 154 | 153 | 54 | 100 | 82 | 119 | 168 | 65 |
| Sunny days | 11 | 7 | 7 | 0 | 1 | 8 | 8 | 3 | 1 | 1 | 5 | 6 |
| Rainy days | 20 | 21 | 24 | 30 | 30 | 22 | 23 | 28 | 29 | 30 | 25 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Old Harbour is at