Average annual temperature is 26.7 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 33 days
Number of rainy days: 332 days
Look at detailed online map of Blenheim
* Weather data for Blenheim 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 | 31.8 | 32.8 | 32.6 | 33.6 | 33.5 | 33.2 | 33.9 | 33.3 | 33.1 | 32.1 | 31.0 |
| Average daytime temperature (°C) | 29.8 | 30.2 | 30.4 | 31.0 | 31.7 | 31.5 | 31.9 | 32.2 | 32.3 | 31.4 | 30.1 | 28.9 |
| Average temperature (°C) | 24.8 | 24.9 | 24.9 | 25.7 | 26.9 | 27.4 | 28.2 | 28.3 | 28.3 | 27.7 | 26.8 | 25.8 |
| Average night temperature (°C) | 21.5 | 21.2 | 20.9 | 21.6 | 23.4 | 24.5 | 25.3 | 25.5 | 25.5 | 25.0 | 24.8 | 23.6 |
| Absolute minimum temperature (°C) | 19.2 | 18.6 | 18.9 | 19.8 | 22.1 | 23.1 | 23.3 | 24.4 | 23.5 | 23.8 | 22.1 | 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 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| 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 | 10.5 | 10.7 | 11.6 | 11.1 | 10.1 | 11.5 | 11.0 | 10.9 | 10.3 | 9.1 | 9.3 |
| Precipitation (mm) | 31 | 38 | 53 | 75 | 143 | 163 | 157 | 158 | 170 | 152 | 139 | 69 |
| Sunny days | 10 | 7 | 6 | 1 | 1 | 0 | 0 | 2 | 1 | 2 | 2 | 1 |
| Rainy days | 21 | 21 | 25 | 29 | 30 | 30 | 31 | 29 | 29 | 29 | 28 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Blenheim is at