Average annual temperature is 10.4 °C
Absolute maximum temperature: 25.4 °C
Absolute minimum temperature: -4.2 °C
Number of sunny days: 64 days
Number of rainy days: 301 days
Look at detailed online map of Killasser
* Weather data for Killasser 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) | 12.0 | 13.4 | 13.6 | 16.7 | 23.2 | 25.4 | 21.2 | 22.2 | 25.0 | 19.4 | 12.5 | 12.1 |
| Average daytime temperature (°C) | 7.6 | 9.5 | 9.2 | 12.2 | 16.1 | 20.6 | 16.5 | 17.5 | 17.5 | 13.3 | 9.6 | 8.5 |
| Average temperature (°C) | 5.4 | 7.4 | 6.3 | 8.9 | 12.2 | 16.5 | 14.0 | 14.7 | 14.2 | 10.8 | 7.3 | 6.9 |
| Average night temperature (°C) | 3.2 | 4.6 | 3.6 | 5.5 | 8.3 | 12.3 | 11.3 | 12.0 | 11.0 | 8.6 | 4.8 | 5.0 |
| Absolute minimum temperature (°C) | -4.2 | -2.5 | -3.0 | 0.4 | 5.2 | 8.7 | 7.9 | 8.6 | 5.8 | 2.4 | -2.4 | -1.9 |
| 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) | 2.9 | 2.8 | 4.4 | 6.6 | 8.8 | 11.1 | 8.3 | 8.2 | 6.6 | 4.5 | 4.1 | 2.1 |
| Precipitation (mm) | 120 | 59 | 146 | 102 | 52 | 135 | 176 | 143 | 138 | 138 | 110 | 172 |
| Sunny days | 5 | 7 | 5 | 4 | 10 | 9 | 1 | 3 | 3 | 6 | 8 | 3 |
| Rainy days | 26 | 21 | 26 | 26 | 21 | 21 | 30 | 28 | 27 | 25 | 22 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Killasser during the most sunny months:
Months with the longest average daylight duration in Killasser:
The largest precipitation sum in Killasser is at