Average annual temperature is 10.5 °C
Absolute maximum temperature: 24.8 °C
Absolute minimum temperature: -3.1 °C
Number of sunny days: 91 days
Number of rainy days: 274 days
Look at detailed online map of Harristown
* Weather data for Harristown 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 | 13.2 | 13.2 | 15.9 | 20.6 | 24.8 | 21.1 | 21.2 | 24.8 | 19.2 | 13.0 | 12.8 |
| Average daytime temperature (°C) | 8.0 | 9.5 | 9.3 | 11.7 | 16.3 | 19.7 | 17.6 | 17.9 | 17.9 | 13.6 | 9.9 | 9.0 |
| Average temperature (°C) | 5.7 | 7.1 | 6.7 | 8.5 | 12.4 | 15.9 | 14.5 | 14.9 | 14.7 | 11.0 | 7.4 | 7.1 |
| Average night temperature (°C) | 3.4 | 4.7 | 4.3 | 5.5 | 8.4 | 12.1 | 11.5 | 12.3 | 11.3 | 8.7 | 5.1 | 4.9 |
| Absolute minimum temperature (°C) | -3.1 | -0.6 | -0.6 | 0.3 | 4.2 | 7.3 | 8.4 | 9.3 | 5.4 | 1.7 | -1.2 | -2.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.3 | 9.9 | 11.9 | 13.9 | 15.7 | 16.7 | 16.2 | 14.7 | 12.7 | 10.6 | 8.8 | 7.8 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 4.0 | 4.3 | 4.6 | 7.3 | 10.0 | 11.4 | 9.7 | 8.2 | 7.2 | 4.8 | 4.5 | 2.9 |
| Precipitation (mm) | 84 | 11 | 156 | 81 | 52 | 78 | 121 | 102 | 160 | 188 | 73 | 126 |
| Sunny days | 12 | 14 | 2 | 5 | 13 | 10 | 1 | 2 | 9 | 6 | 10 | 7 |
| Rainy days | 19 | 14 | 29 | 25 | 18 | 20 | 30 | 29 | 21 | 25 | 20 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Harristown during the most sunny months:
Months with the longest average daylight duration in Harristown:
The largest precipitation sum in Harristown is at