Average annual temperature is 10.9 °C
Absolute maximum temperature: 26.4 °C
Absolute minimum temperature: -3.8 °C
Number of sunny days: 77 days
Number of rainy days: 288 days
Look at detailed online map of Killyon
* Weather data for Killyon 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) | 12.9 | 14.6 | 15.3 | 18.2 | 21.7 | 26.4 | 21.2 | 24.1 | 26.2 | 21.9 | 13.6 | 12.9 |
| Average daytime temperature (°C) | 8.1 | 9.9 | 10.0 | 12.9 | 16.9 | 21.2 | 17.7 | 18.7 | 18.5 | 14.4 | 9.9 | 9.0 |
| Average temperature (°C) | 5.8 | 7.4 | 7.1 | 9.2 | 12.9 | 16.9 | 14.7 | 15.4 | 15.0 | 11.4 | 7.4 | 7.2 |
| Average night temperature (°C) | 3.4 | 4.6 | 4.4 | 5.7 | 8.7 | 12.5 | 11.8 | 12.2 | 11.6 | 8.5 | 4.8 | 5.1 |
| Absolute minimum temperature (°C) | -3.8 | -1.3 | -2.3 | 0.6 | 4.4 | 7.4 | 8.5 | 8.9 | 5.1 | 1.4 | -3.0 | -2.4 |
| 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 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.2 | 9.9 | 11.9 | 14.0 | 15.9 | 16.9 | 16.4 | 14.7 | 12.7 | 10.6 | 8.7 | 7.6 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 12.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 3.6 | 3.3 | 4.5 | 7.1 | 9.6 | 11.2 | 8.9 | 8.6 | 7.0 | 4.7 | 4.4 | 2.5 |
| Precipitation (mm) | 107 | 32 | 150 | 84 | 57 | 112 | 165 | 131 | 170 | 127 | 78 | 123 |
| Sunny days | 7 | 10 | 3 | 5 | 16 | 9 | 1 | 2 | 4 | 7 | 8 | 5 |
| Rainy days | 24 | 18 | 28 | 25 | 15 | 21 | 30 | 29 | 26 | 24 | 22 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Killyon during the most sunny months:
Months with the longest average daylight duration in Killyon:
The largest precipitation sum in Killyon is at