Average annual temperature is 24.3 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 40 days
Number of rainy days: 325 days
Look at detailed online map of Riverhead
* Weather data for Riverhead 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) | 29.8 | 29.3 | 30.5 | 30.2 | 32.1 | 32.1 | 33.2 | 32.9 | 33.1 | 33.1 | 30.0 | 28.5 |
| Average daytime temperature (°C) | 26.7 | 27.3 | 28.0 | 28.7 | 29.7 | 29.2 | 31.1 | 31.1 | 31.2 | 29.6 | 28.0 | 26.5 |
| Average temperature (°C) | 22.1 | 22.5 | 22.8 | 23.4 | 24.6 | 25.3 | 26.2 | 26.3 | 26.1 | 25.1 | 24.1 | 23.0 |
| Average night temperature (°C) | 19.3 | 19.5 | 19.2 | 19.8 | 21.3 | 22.6 | 23.1 | 23.3 | 23.1 | 22.6 | 21.8 | 20.8 |
| Absolute minimum temperature (°C) | 16.8 | 17.8 | 17.8 | 18.5 | 19.8 | 20.9 | 22.0 | 22.4 | 21.7 | 20.8 | 18.4 | 19.7 |
| 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 | 10.4 | 10.5 | 11.5 | 11.3 | 10.5 | 11.7 | 10.9 | 10.7 | 9.9 | 8.8 | 9.6 |
| Precipitation (mm) | 26 | 30 | 67 | 96 | 137 | 134 | 53 | 82 | 88 | 121 | 168 | 45 |
| Sunny days | 10 | 7 | 6 | 2 | 1 | 2 | 2 | 2 | 0 | 0 | 5 | 3 |
| Rainy days | 21 | 21 | 25 | 28 | 30 | 28 | 29 | 29 | 30 | 31 | 25 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riverhead is at