Average annual temperature is 9.9 °C
Absolute maximum temperature: 24.4 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 58 days
Number of rainy days: 305 days
Number of snow days: 2 days
Look at detailed online map of Ballynahulla
* Weather data for Ballynahulla 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) | 11.6 | 12.4 | 12.9 | 14.9 | 21.9 | 23.5 | 19.1 | 22.8 | 24.4 | 21.1 | 12.4 | 11.4 |
| Average daytime temperature (°C) | 7.3 | 8.8 | 8.7 | 11.1 | 15.7 | 19.7 | 16.0 | 16.7 | 17.1 | 13.2 | 9.1 | 8.3 |
| Average temperature (°C) | 5.1 | 6.6 | 6.1 | 7.9 | 11.7 | 15.6 | 13.3 | 13.9 | 13.7 | 10.5 | 7.1 | 6.5 |
| Average night temperature (°C) | 2.9 | 4.4 | 3.6 | 4.7 | 7.9 | 11.6 | 10.9 | 11.3 | 10.5 | 8.0 | 5.0 | 4.4 |
| Absolute minimum temperature (°C) | -4.1 | 0.0 | -2.5 | 0.2 | 3.1 | 8.1 | 7.9 | 7.8 | 4.7 | 0.1 | -1.8 | -3.5 |
| 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 | 14.6 | 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) | 3.2 | 3.3 | 4.7 | 6.7 | 9.7 | 10.3 | 8.3 | 7.8 | 6.9 | 4.5 | 4.5 | 2.5 |
| Precipitation (mm) | 174 | 46 | 194 | 88 | 58 | 116 | 219 | 150 | 199 | 162 | 137 | 209 |
| Sunny days | 5 | 9 | 4 | 3 | 11 | 9 | 0 | 0 | 5 | 5 | 5 | 2 |
| Rainy days | 25 | 19 | 26 | 27 | 20 | 21 | 31 | 31 | 25 | 26 | 25 | 29 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ballynahulla during the most sunny months:
Months with the longest average daylight duration in Ballynahulla:
The largest precipitation sum in Ballynahulla is at