Average annual temperature is 11.0 °C
Absolute maximum temperature: 24.0 °C
Absolute minimum temperature: -1.6 °C
Number of sunny days: 84 days
Number of rainy days: 281 days
Look at detailed online map of Dalkey
* Weather data for Dalkey 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) | 13.3 | 13.1 | 15.1 | 16.5 | 18.7 | 24.0 | 20.8 | 21.5 | 23.0 | 23.5 | 14.1 | 13.5 |
| Average daytime temperature (°C) | 8.4 | 9.8 | 9.7 | 11.5 | 15.0 | 18.6 | 17.9 | 18.3 | 17.9 | 14.6 | 10.1 | 9.6 |
| Average temperature (°C) | 6.3 | 7.7 | 7.1 | 8.8 | 12.3 | 16.0 | 15.1 | 15.5 | 15.2 | 12.1 | 8.2 | 7.8 |
| Average night temperature (°C) | 4.6 | 5.6 | 5.0 | 6.2 | 9.3 | 13.0 | 12.5 | 12.9 | 12.2 | 9.5 | 6.1 | 6.0 |
| Absolute minimum temperature (°C) | -1.6 | 1.0 | -1.5 | 2.5 | 6.1 | 8.5 | 9.6 | 10.4 | 7.0 | 3.7 | 1.3 | -1.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.2 | 9.8 | 11.9 | 14.0 | 15.9 | 16.9 | 16.4 | 14.7 | 12.7 | 10.6 | 8.7 | 7.6 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 3.9 | 4.3 | 4.8 | 8.8 | 11.1 | 12.1 | 9.9 | 8.7 | 7.4 | 5.4 | 4.8 | 2.4 |
| Precipitation (mm) | 74 | 23 | 172 | 132 | 43 | 71 | 147 | 148 | 166 | 157 | 74 | 119 |
| Sunny days | 12 | 13 | 0 | 6 | 11 | 13 | 0 | 1 | 6 | 6 | 11 | 5 |
| Rainy days | 19 | 15 | 31 | 24 | 20 | 17 | 31 | 30 | 24 | 25 | 19 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Dalkey during the most sunny months:
Months with the longest average daylight duration in Dalkey:
The largest precipitation sum in Dalkey is at