Average annual temperature is 25.6 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 36 days
Number of rainy days: 329 days
Look at detailed online map of Roscommon
* Weather data for Roscommon 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) | 28.3 | 27.5 | 28.9 | 32.5 | 31.5 | 31.4 | 32.0 | 33.3 | 32.4 | 32.3 | 30.3 | 29.1 |
| Average daytime temperature (°C) | 26.3 | 26.4 | 27.3 | 28.5 | 29.9 | 30.1 | 31.0 | 31.5 | 31.3 | 30.2 | 28.6 | 27.1 |
| Average temperature (°C) | 23.3 | 23.4 | 23.6 | 24.6 | 25.8 | 26.8 | 27.6 | 27.7 | 27.5 | 26.5 | 25.6 | 24.3 |
| Average night temperature (°C) | 20.8 | 21.0 | 20.7 | 21.4 | 22.8 | 24.4 | 24.9 | 24.8 | 24.6 | 23.9 | 23.3 | 22.2 |
| Absolute minimum temperature (°C) | 18.3 | 19.4 | 18.5 | 20.0 | 21.0 | 22.9 | 23.1 | 23.5 | 23.1 | 22.1 | 20.3 | 20.6 |
| 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) | 10.2 | 10.7 | 10.6 | 11.6 | 11.2 | 10.9 | 11.5 | 10.9 | 10.8 | 9.7 | 8.8 | 9.2 |
| Precipitation (mm) | 62 | 57 | 91 | 79 | 105 | 77 | 31 | 102 | 63 | 145 | 118 | 100 |
| Sunny days | 3 | 3 | 5 | 4 | 4 | 3 | 5 | 2 | 1 | 0 | 2 | 4 |
| Rainy days | 28 | 25 | 26 | 26 | 27 | 27 | 26 | 29 | 29 | 31 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Roscommon is at