Average annual temperature is 27.0 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 20.3 °C
Number of sunny days: 21 days
Number of rainy days: 344 days
Look at detailed online map of Port Antonio
* Weather data for Port Antonio 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) | 28.4 | 28.7 | 28.9 | 31.3 | 32.4 | 33.5 | 32.3 | 33.6 | 33.1 | 32.7 | 31.5 | 30.7 |
| Average daytime temperature (°C) | 27.2 | 27.2 | 27.8 | 28.8 | 30.4 | 31.0 | 31.3 | 31.8 | 31.9 | 31.0 | 29.9 | 28.6 |
| Average temperature (°C) | 24.8 | 24.8 | 24.9 | 25.8 | 27.4 | 28.2 | 28.7 | 29.0 | 28.9 | 28.0 | 27.1 | 25.8 |
| Average night temperature (°C) | 22.3 | 22.3 | 22.4 | 23.0 | 24.8 | 25.9 | 26.3 | 26.4 | 26.1 | 25.5 | 24.3 | 23.2 |
| Absolute minimum temperature (°C) | 20.3 | 21.1 | 20.5 | 21.6 | 23.1 | 23.9 | 23.6 | 24.4 | 23.6 | 22.9 | 22.8 | 21.1 |
| 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) | 10.1 | 10.6 | 10.8 | 11.7 | 11.4 | 10.7 | 11.0 | 11.0 | 10.9 | 9.6 | 8.9 | 8.4 |
| Precipitation (mm) | 94 | 84 | 84 | 56 | 97 | 106 | 104 | 90 | 82 | 175 | 254 | 308 |
| Sunny days | 1 | 2 | 4 | 4 | 3 | 1 | 1 | 1 | 2 | 1 | 1 | 0 |
| Rainy days | 30 | 26 | 27 | 26 | 28 | 29 | 30 | 30 | 28 | 30 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Port Antonio is at