Average annual temperature is 9.4 °C
Absolute maximum temperature: 23.3 °C
Absolute minimum temperature: -4.9 °C
Number of sunny days: 53 days
Number of rainy days: 309 days
Number of snow days: 3 days
Look at detailed online map of Coolnagillagh
* Weather data for Coolnagillagh Ireland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.2 | 11.5 | 12.4 | 14.7 | 21.0 | 22.7 | 19.2 | 21.4 | 23.3 | 21.1 | 12.1 | 11.5 |
| Average daytime temperature (°C) | 7.0 | 8.2 | 8.2 | 10.4 | 15.2 | 18.9 | 15.8 | 16.4 | 16.5 | 12.7 | 8.8 | 7.9 |
| Average temperature (°C) | 4.7 | 6.1 | 5.6 | 7.3 | 11.2 | 14.9 | 13.0 | 13.6 | 13.2 | 10.0 | 6.7 | 6.0 |
| Average night temperature (°C) | 2.4 | 3.8 | 3.0 | 4.1 | 7.2 | 10.8 | 10.3 | 11.1 | 9.9 | 7.3 | 4.6 | 3.9 |
| Absolute minimum temperature (°C) | -4.9 | -2.3 | -3.2 | -0.5 | 2.2 | 6.9 | 6.7 | 7.5 | 3.9 | 0.0 | -3.2 | -4.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.4 | 9.9 | 11.9 | 13.9 | 15.7 | 16.7 | 16.2 | 14.6 | 12.7 | 10.6 | 8.8 | 7.8 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 3.5 | 3.3 | 4.6 | 6.4 | 9.8 | 10.1 | 8.5 | 7.9 | 6.9 | 4.1 | 4.7 | 2.6 |
| Precipitation (mm) | 140 | 34 | 199 | 73 | 57 | 91 | 196 | 135 | 186 | 178 | 102 | 164 |
| Sunny days | 4 | 8 | 3 | 1 | 10 | 8 | 0 | 2 | 5 | 5 | 5 | 2 |
| Rainy days | 26 | 20 | 27 | 29 | 21 | 22 | 31 | 29 | 25 | 26 | 25 | 28 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Coolnagillagh during the most sunny months:
Months with the longest average daylight duration in Coolnagillagh:
The largest precipitation sum in Coolnagillagh is at