Average annual temperature is 11.6 °C
Absolute maximum temperature: 26.4 °C
Absolute minimum temperature: -2.3 °C
Number of sunny days: 48 days
Number of rainy days: 317 days
Look at detailed online map of Heirhill
* Weather data for Heirhill 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) | 12.7 | 13.7 | 13.7 | 17.0 | 21.5 | 24.0 | 20.6 | 23.2 | 26.4 | 20.7 | 13.9 | 12.8 |
| Average daytime temperature (°C) | 9.0 | 10.2 | 9.9 | 12.3 | 15.0 | 19.7 | 16.6 | 17.5 | 18.1 | 14.6 | 11.0 | 10.2 |
| Average temperature (°C) | 7.3 | 8.5 | 7.8 | 9.7 | 12.6 | 16.7 | 14.9 | 15.6 | 15.3 | 12.2 | 9.6 | 8.8 |
| Average night temperature (°C) | 5.5 | 6.6 | 5.5 | 6.8 | 9.8 | 13.3 | 13.3 | 13.9 | 12.8 | 10.1 | 7.9 | 7.1 |
| Absolute minimum temperature (°C) | -1.8 | 1.3 | 0.2 | 2.2 | 6.5 | 9.9 | 11.0 | 9.7 | 8.3 | 4.2 | 0.8 | -2.3 |
| 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) | 8.3 | 9.9 | 11.9 | 13.9 | 15.7 | 16.7 | 16.2 | 14.7 | 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) | 3.4 | 3.9 | 5.1 | 7.8 | 10.6 | 11.3 | 9.0 | 8.8 | 7.2 | 5.0 | 4.7 | 2.8 |
| Precipitation (mm) | 183 | 45 | 199 | 106 | 80 | 135 | 241 | 146 | 152 | 171 | 194 | 216 |
| Sunny days | 3 | 8 | 4 | 4 | 10 | 8 | 0 | 1 | 4 | 4 | 2 | 0 |
| Rainy days | 28 | 20 | 27 | 26 | 21 | 22 | 31 | 30 | 26 | 27 | 28 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heirhill during the most sunny months:
Months with the longest average daylight duration in Heirhill:
The largest precipitation sum in Heirhill is at