Average annual temperature is 11.2 °C
Absolute maximum temperature: 25.5 °C
Absolute minimum temperature: -2.9 °C
Number of sunny days: 101 days
Number of rainy days: 264 days
Look at detailed online map of Swords
* Weather data for Swords 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) | 14.1 | 13.2 | 16.0 | 16.7 | 18.8 | 25.5 | 21.3 | 22.2 | 23.4 | 21.8 | 14.5 | 13.4 |
| Average daytime temperature (°C) | 8.7 | 10.4 | 10.4 | 12.1 | 15.9 | 19.1 | 18.2 | 19.1 | 18.4 | 14.9 | 10.4 | 9.8 |
| Average temperature (°C) | 6.3 | 8.0 | 7.5 | 9.2 | 12.7 | 16.2 | 15.3 | 15.8 | 15.3 | 12.3 | 8.1 | 8.0 |
| Average night temperature (°C) | 4.2 | 5.6 | 5.1 | 6.1 | 9.5 | 13.0 | 12.5 | 12.9 | 12.1 | 9.5 | 5.7 | 5.9 |
| Absolute minimum temperature (°C) | -2.9 | -2.0 | -1.4 | 0.6 | 5.4 | 9.3 | 9.4 | 9.9 | 5.6 | 2.5 | -0.3 | -0.4 |
| 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 | 17.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.1 | 9.8 | 11.9 | 14.0 | 15.9 | 16.9 | 16.4 | 14.8 | 12.7 | 10.6 | 8.6 | 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) | 4.0 | 4.3 | 5.2 | 8.9 | 10.9 | 11.9 | 9.5 | 9.3 | 7.2 | 5.4 | 5.1 | 2.7 |
| Precipitation (mm) | 58 | 16 | 125 | 84 | 41 | 64 | 156 | 106 | 133 | 121 | 55 | 92 |
| Sunny days | 13 | 16 | 2 | 5 | 13 | 13 | 1 | 3 | 9 | 7 | 11 | 8 |
| Rainy days | 18 | 12 | 29 | 25 | 18 | 17 | 30 | 28 | 21 | 24 | 19 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Swords during the most sunny months:
Months with the longest average daylight duration in Swords:
The largest precipitation sum in Swords is at