Average annual temperature is 23.9 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: 14.6 °C
Number of sunny days: 32 days
Number of rainy days: 333 days
Look at detailed online map of Rock River
* Weather data for Rock River 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) | 28.9 | 28.3 | 30.5 | 30.0 | 30.8 | 33.1 | 32.8 | 33.9 | 31.9 | 32.0 | 30.6 | 29.9 |
| Average daytime temperature (°C) | 26.2 | 26.7 | 27.6 | 27.9 | 29.2 | 29.9 | 31.1 | 31.1 | 30.6 | 29.4 | 28.3 | 26.9 |
| Average temperature (°C) | 21.5 | 21.9 | 21.9 | 22.6 | 24.1 | 25.4 | 26.1 | 25.9 | 25.4 | 24.5 | 24.0 | 22.9 |
| Average night temperature (°C) | 17.9 | 18.3 | 17.7 | 18.3 | 20.2 | 22.0 | 22.4 | 22.4 | 21.9 | 21.5 | 21.2 | 20.2 |
| Absolute minimum temperature (°C) | 14.6 | 15.5 | 15.1 | 15.9 | 18.5 | 19.7 | 21.0 | 21.1 | 20.0 | 18.9 | 17.9 | 17.8 |
| 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 | 11.6 | 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 | 10.7 | 10.7 | 11.4 | 11.3 | 10.7 | 11.6 | 11.1 | 10.6 | 9.7 | 8.8 | 9.4 |
| Precipitation (mm) | 34 | 28 | 79 | 86 | 126 | 132 | 46 | 85 | 120 | 188 | 122 | 60 |
| Sunny days | 7 | 4 | 6 | 0 | 0 | 3 | 3 | 1 | 0 | 0 | 4 | 4 |
| Rainy days | 24 | 24 | 25 | 30 | 31 | 27 | 28 | 30 | 30 | 31 | 26 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rock River is at