Average annual temperature is 22.7 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: 3.5 °C
Number of sunny days: 141 days
Number of rainy days: 224 days
Look at detailed online map of Killarney
* Weather data for Killarney United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 27.7 | 30.8 | 32.8 | 32.3 | 32.0 | 35.3 | 35.9 | 36.1 | 32.8 | 31.2 | 30.1 | 27.8 |
| Average daytime temperature (°C) | 22.0 | 26.1 | 27.4 | 28.7 | 29.0 | 31.6 | 32.8 | 33.2 | 30.8 | 27.8 | 24.2 | 21.0 |
| Average temperature (°C) | 16.4 | 19.7 | 21.2 | 23.1 | 23.9 | 26.2 | 27.9 | 28.4 | 26.3 | 23.1 | 19.7 | 16.7 |
| Average night temperature (°C) | 12.6 | 15.1 | 16.6 | 19.3 | 20.1 | 22.6 | 24.7 | 24.9 | 23.1 | 19.5 | 16.5 | 13.7 |
| Absolute minimum temperature (°C) | 3.5 | 8.7 | 9.1 | 14.8 | 16.9 | 19.7 | 23.5 | 23.3 | 19.2 | 12.8 | 8.0 | 6.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.9 | 13.6 | 13.9 | 13.8 | 13.1 | 12.3 | 11.5 | 10.7 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.7 | 9.2 | 10.0 | 10.0 | 11.7 | 11.2 | 11.1 | 11.2 | 10.5 | 8.9 | 7.3 | 7.0 |
| Precipitation (mm) | 64 | 19 | 63 | 128 | 98 | 144 | 170 | 104 | 130 | 85 | 127 | 112 |
| Sunny days | 21 | 21 | 17 | 8 | 15 | 2 | 1 | 3 | 7 | 16 | 15 | 15 |
| Rainy days | 10 | 7 | 14 | 22 | 16 | 28 | 30 | 28 | 23 | 15 | 15 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Killarney is at