Average annual temperature is 10.3 °C
Absolute maximum temperature: 24.9 °C
Absolute minimum temperature: -2.8 °C
Number of sunny days: 54 days
Number of rainy days: 309 days
Number of snow days: 2 days
Look at detailed online map of Castlehill
* Weather data for Castlehill 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) | 11.3 | 12.7 | 13.5 | 16.9 | 20.4 | 24.9 | 20.4 | 21.5 | 24.8 | 19.2 | 12.3 | 11.9 |
| Average daytime temperature (°C) | 7.7 | 9.4 | 9.0 | 12.0 | 15.3 | 20.0 | 16.1 | 17.2 | 17.1 | 13.0 | 9.6 | 8.5 |
| Average temperature (°C) | 5.6 | 7.3 | 6.3 | 8.7 | 11.8 | 16.1 | 13.9 | 14.6 | 14.0 | 10.7 | 7.6 | 6.9 |
| Average night temperature (°C) | 3.5 | 4.9 | 3.7 | 5.5 | 8.4 | 12.5 | 11.5 | 12.4 | 11.1 | 8.6 | 5.5 | 5.4 |
| Absolute minimum temperature (°C) | -2.8 | -1.3 | -2.5 | 0.7 | 5.9 | 9.5 | 8.9 | 10.4 | 5.8 | 3.8 | -0.1 | -0.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 15.0 | 16.0 | 17.0 | 17.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.1 | 9.8 | 11.9 | 14.1 | 16.0 | 17.0 | 16.5 | 14.8 | 12.7 | 10.5 | 8.6 | 7.5 |
| 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) | 2.7 | 3.0 | 4.8 | 7.1 | 8.5 | 10.9 | 8.2 | 8.6 | 6.8 | 4.2 | 3.9 | 2.0 |
| Precipitation (mm) | 137 | 79 | 172 | 116 | 67 | 171 | 203 | 175 | 137 | 164 | 127 | 215 |
| Sunny days | 3 | 7 | 6 | 3 | 11 | 8 | 0 | 1 | 5 | 4 | 5 | 1 |
| Rainy days | 26 | 21 | 25 | 27 | 20 | 22 | 31 | 30 | 25 | 27 | 25 | 30 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Castlehill during the most sunny months:
Months with the longest average daylight duration in Castlehill:
The largest precipitation sum in Castlehill is at