Average annual temperature is 11.1 °C
Absolute maximum temperature: 25.9 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 60 days
Number of rainy days: 305 days
Look at detailed online map of Rossmore
* Weather data for Rossmore 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 | 13.6 | 14.0 | 16.1 | 23.3 | 23.6 | 19.9 | 23.1 | 25.9 | 22.0 | 13.7 | 12.7 |
| Average daytime temperature (°C) | 8.6 | 10.2 | 10.0 | 12.4 | 16.9 | 20.8 | 17.2 | 18.0 | 18.4 | 14.6 | 10.6 | 9.7 |
| Average temperature (°C) | 6.3 | 7.9 | 7.3 | 9.2 | 12.7 | 16.7 | 14.7 | 15.2 | 14.8 | 11.6 | 8.5 | 7.8 |
| Average night temperature (°C) | 3.8 | 5.1 | 4.6 | 5.8 | 8.7 | 12.4 | 12.1 | 12.6 | 11.2 | 8.6 | 6.3 | 5.5 |
| Absolute minimum temperature (°C) | -4.1 | -1.0 | -1.2 | 1.2 | 5.6 | 8.5 | 8.2 | 9.0 | 6.2 | 2.7 | -2.2 | -3.0 |
| 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) | 3.1 | 3.2 | 4.4 | 6.7 | 10.0 | 10.4 | 8.4 | 7.8 | 6.9 | 4.6 | 4.4 | 2.5 |
| Precipitation (mm) | 169 | 45 | 192 | 86 | 60 | 114 | 199 | 127 | 182 | 159 | 131 | 186 |
| Sunny days | 4 | 7 | 5 | 2 | 11 | 10 | 0 | 0 | 8 | 5 | 5 | 3 |
| Rainy days | 27 | 21 | 26 | 28 | 20 | 20 | 31 | 31 | 22 | 26 | 25 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rossmore during the most sunny months:
Months with the longest average daylight duration in Rossmore:
The largest precipitation sum in Rossmore is at