Average annual temperature is 10.5 °C
Absolute maximum temperature: 25.8 °C
Absolute minimum temperature: -2.5 °C
Number of sunny days: 76 days
Number of rainy days: 287 days
Number of snow days: 2 days
Look at detailed online map of Castletown Geoghegan
* Weather data for Castletown Geoghegan 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) | 12.3 | 14.0 | 15.0 | 18.3 | 20.7 | 24.8 | 21.2 | 23.5 | 25.8 | 21.1 | 13.0 | 12.3 |
| Average daytime temperature (°C) | 7.7 | 9.5 | 9.6 | 12.5 | 16.4 | 20.6 | 17.3 | 18.4 | 18.1 | 13.9 | 9.3 | 8.5 |
| Average temperature (°C) | 5.6 | 7.2 | 6.7 | 8.9 | 12.5 | 16.5 | 14.3 | 15.0 | 14.5 | 11.0 | 7.0 | 6.8 |
| Average night temperature (°C) | 3.6 | 4.7 | 4.2 | 5.6 | 8.7 | 12.5 | 11.5 | 12.1 | 11.3 | 8.4 | 4.8 | 4.8 |
| Absolute minimum temperature (°C) | -2.5 | -0.8 | -1.9 | 1.5 | 5.3 | 8.5 | 8.9 | 9.7 | 4.5 | 2.0 | -0.9 | -2.5 |
| 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) | 3.4 | 2.9 | 4.4 | 7.1 | 9.3 | 11.3 | 8.4 | 8.1 | 6.8 | 4.5 | 4.6 | 1.9 |
| Precipitation (mm) | 94 | 29 | 145 | 90 | 50 | 91 | 168 | 155 | 160 | 124 | 82 | 110 |
| Sunny days | 8 | 10 | 2 | 4 | 15 | 11 | 1 | 0 | 6 | 5 | 8 | 6 |
| Rainy days | 22 | 18 | 28 | 26 | 16 | 19 | 30 | 31 | 24 | 26 | 22 | 25 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Castletown Geoghegan during the most sunny months:
Months with the longest average daylight duration in Castletown Geoghegan:
The largest precipitation sum in Castletown Geoghegan is at