Average annual temperature is 11.3 °C
Absolute maximum temperature: 25.6 °C
Absolute minimum temperature: -2.9 °C
Number of sunny days: 96 days
Number of rainy days: 269 days
Look at detailed online map of Granny
* Weather data for Granny 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) | 12.8 | 14.0 | 13.7 | 15.9 | 22.1 | 24.5 | 21.5 | 21.1 | 25.6 | 18.8 | 13.9 | 13.7 |
| Average daytime temperature (°C) | 9.0 | 10.3 | 10.1 | 12.4 | 17.0 | 20.0 | 18.5 | 18.7 | 18.7 | 14.4 | 11.0 | 10.0 |
| Average temperature (°C) | 6.5 | 7.9 | 7.6 | 9.4 | 13.1 | 16.5 | 15.4 | 15.7 | 15.4 | 11.8 | 8.3 | 8.0 |
| Average night temperature (°C) | 3.9 | 5.2 | 5.1 | 6.2 | 9.1 | 12.7 | 12.1 | 12.8 | 11.8 | 9.1 | 5.6 | 5.4 |
| Absolute minimum temperature (°C) | -2.9 | -1.4 | 0.3 | 1.1 | 5.4 | 8.3 | 9.0 | 9.3 | 4.5 | 2.6 | -0.3 | -2.9 |
| 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) | 3.9 | 4.5 | 4.4 | 7.8 | 10.4 | 11.7 | 9.8 | 8.1 | 7.3 | 4.9 | 4.7 | 3.1 |
| Precipitation (mm) | 91 | 24 | 170 | 86 | 49 | 72 | 169 | 118 | 160 | 202 | 84 | 131 |
| Sunny days | 12 | 13 | 3 | 4 | 15 | 11 | 1 | 4 | 9 | 6 | 13 | 5 |
| Rainy days | 19 | 15 | 28 | 26 | 16 | 19 | 30 | 27 | 21 | 25 | 17 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Granny during the most sunny months:
Months with the longest average daylight duration in Granny:
The largest precipitation sum in Granny is at