Average annual temperature is 27.5 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 56 days
Number of rainy days: 309 days
Look at detailed online map of Portsea
* Weather data for Portsea 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) | 31.1 | 31.2 | 31.3 | 31.0 | 32.7 | 33.2 | 34.9 | 34.6 | 34.5 | 33.7 | 33.4 | 31.6 |
| Average daytime temperature (°C) | 29.1 | 29.7 | 29.2 | 29.9 | 31.3 | 30.9 | 33.7 | 33.1 | 33.1 | 32.4 | 30.9 | 30.0 |
| Average temperature (°C) | 25.1 | 25.5 | 25.7 | 26.4 | 28.1 | 28.3 | 29.7 | 29.5 | 29.4 | 28.8 | 27.3 | 26.1 |
| Average night temperature (°C) | 21.4 | 21.4 | 22.3 | 23.1 | 25.0 | 25.9 | 26.3 | 26.5 | 26.2 | 25.7 | 24.1 | 22.7 |
| Absolute minimum temperature (°C) | 18.1 | 19.8 | 20.2 | 20.4 | 23.8 | 24.6 | 24.2 | 24.6 | 24.9 | 22.2 | 22.1 | 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 | 12.5 | 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) | 10.4 | 10.8 | 11.1 | 11.6 | 11.5 | 10.6 | 11.8 | 11.1 | 10.8 | 10.5 | 9.0 | 9.9 |
| Precipitation (mm) | 39 | 20 | 67 | 84 | 93 | 100 | 47 | 111 | 82 | 74 | 211 | 33 |
| Sunny days | 11 | 6 | 6 | 1 | 3 | 6 | 8 | 3 | 2 | 0 | 4 | 6 |
| Rainy days | 20 | 22 | 25 | 29 | 28 | 24 | 23 | 28 | 28 | 31 | 26 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Portsea is at