Average annual temperature is 10.9 °C
Absolute maximum temperature: 25.8 °C
Absolute minimum temperature: -1.9 °C
Number of sunny days: 74
Number of rainy days: 290
Number of snow days: 1
Average annual precipitation: 1404 mm
Look at detailed online map of Roscommon
* Weather data for Roscommon Ireland is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.2 | 14.1 | 14.7 | 18.5 | 22.1 | 25.2 | 21.5 | 22.8 | 25.8 | 20.9 | 13.1 | 12.6 |
| Average daytime temperature (°C) | 8 | 9.7 | 9.7 | 12.8 | 16.7 | 20.8 | 17.5 | 18.5 | 18.3 | 14 | 9.7 | 8.9 |
| Average temperature (°C) | 5.9 | 7.6 | 6.9 | 9.3 | 12.8 | 16.9 | 14.7 | 15.4 | 14.8 | 11.2 | 7.5 | 7.2 |
| Average night temperature (°C) | 4 | 5.2 | 4.5 | 6.2 | 9.1 | 13.1 | 12 | 12.5 | 11.8 | 8.9 | 5.3 | 5.3 |
| Absolute minimum temperature (°C) | -1.8 | -0.2 | -1.1 | 2 | 5.9 | 10.2 | 9.8 | 10.3 | 6 | 2.9 | -0.4 | -1.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.9 | 10.7 | 13 | 15 | 16.7 | 17.1 | 17 | 15.7 | 13.7 | 11.6 | 9.5 | 7.9 |
| Daylight mean duration (h) | 8.1 | 9.8 | 11.9 | 14 | 15.9 | 17 | 16.5 | 14.8 | 12.7 | 10.6 | 8.6 | 7.6 |
| Daylight minimum duration (h) | 7.6 | 8.9 | 10.8 | 13 | 15.1 | 16.7 | 15.8 | 13.8 | 11.7 | 9.6 | 7.9 | 7.5 |
| Sunshine mean duration (h) | 4.5 | 3.2 | 5.6 | 7.3 | 8.9 | 12.2 | 9.4 | 8.8 | 8 | 5.3 | 5 | 3.3 |
| Precipitation (mm) | 87 | 27 | 161 | 108 | 59 | 114 | 178 | 140 | 158 | 158 | 85 | 131 |
| Sunny days | 8 | 12 | 1 | 3 | 13 | 11 | 5 | 7 | 10 | 4 | ||
| Rainy days | 23 | 16 | 29 | 27 | 18 | 19 | 31 | 31 | 25 | 24 | 20 | 27 |
The best time to visit Roscommon during the most sunny months:
Months with the longest average daylight duration in Roscommon:
The largest precipitation sum in Roscommon is at