Average annual temperature is 10.9 °C
Absolute maximum temperature: 24.5 °C
Absolute minimum temperature: -1.7 °C
Number of sunny days: 48 days
Number of rainy days: 317 days
Look at detailed online map of Cleggan
* Weather data for Cleggan 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) | 11.6 | 11.9 | 12.0 | 16.3 | 21.1 | 22.0 | 20.1 | 21.7 | 24.5 | 16.7 | 12.7 | 12.0 |
| Average daytime temperature (°C) | 8.4 | 9.4 | 8.8 | 11.4 | 14.1 | 18.9 | 15.5 | 16.4 | 16.9 | 13.0 | 10.2 | 9.3 |
| Average temperature (°C) | 6.9 | 7.9 | 6.9 | 9.1 | 11.9 | 16.2 | 14.1 | 14.7 | 14.7 | 11.3 | 8.8 | 8.0 |
| Average night temperature (°C) | 5.2 | 6.1 | 4.9 | 6.7 | 9.5 | 13.5 | 12.5 | 13.1 | 12.4 | 9.5 | 7.3 | 6.6 |
| Absolute minimum temperature (°C) | -1.7 | -0.2 | 0.2 | 3.2 | 6.7 | 10.7 | 9.8 | 9.8 | 8.7 | 5.4 | 0.1 | 0.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 | 17.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.1 | 9.8 | 11.9 | 14.0 | 15.9 | 16.9 | 16.4 | 14.8 | 12.7 | 10.6 | 8.6 | 7.6 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 3.1 | 3.1 | 5.2 | 7.6 | 9.6 | 11.2 | 8.7 | 8.5 | 7.1 | 4.8 | 4.3 | 2.7 |
| Precipitation (mm) | 252 | 101 | 266 | 139 | 94 | 167 | 253 | 205 | 176 | 199 | 250 | 323 |
| Sunny days | 1 | 6 | 3 | 6 | 10 | 6 | 0 | 1 | 4 | 6 | 4 | 1 |
| Rainy days | 30 | 22 | 28 | 24 | 21 | 24 | 31 | 30 | 26 | 25 | 26 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Cleggan during the most sunny months:
Months with the longest average daylight duration in Cleggan:
The largest precipitation sum in Cleggan is at