Average annual temperature is 9.6 °C
Absolute maximum temperature: 23.6 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 67
Number of rainy days: 293
Number of snow days: 5
Average annual precipitation: 1306 mm
Look at detailed online map of Stornoway
* Weather data for Stornoway United Kingdom is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 10.8 | 10.7 | 11.8 | 15.3 | 16.2 | 21.3 | 23.6 | 21.2 | 22.5 | 15.6 | 11.7 | 12.5 |
| Average daytime temperature (°C) | 7.1 | 8.9 | 6.9 | 10.2 | 13.2 | 17.4 | 15.9 | 16.3 | 15.5 | 11.6 | 8.7 | 7.2 |
| Average temperature (°C) | 5.4 | 7 | 5 | 8 | 10.7 | 14.6 | 13.6 | 14.2 | 13.4 | 10 | 7.2 | 5.6 |
| Average night temperature (°C) | 3.6 | 4.8 | 3.2 | 5.5 | 8.4 | 11.9 | 11.3 | 12.3 | 11.3 | 8.4 | 5.7 | 3.8 |
| Absolute minimum temperature (°C) | -2.3 | -0.1 | -2.5 | 0.8 | 5.7 | 7.8 | 6.8 | 7.8 | 8.4 | 4.9 | 3.2 | -3.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.2 | 10.5 | 13.1 | 15.6 | 17.7 | 18.3 | 18.1 | 16.5 | 14 | 11.5 | 9 | 6.9 |
| Daylight mean duration (h) | 7.3 | 9.4 | 11.8 | 14.4 | 16.8 | 18.1 | 17.5 | 15.3 | 12.8 | 10.3 | 7.9 | 6.5 |
| Daylight minimum duration (h) | 6.5 | 8.3 | 10.6 | 13.2 | 15.7 | 17.8 | 16.6 | 14.1 | 11.6 | 9.1 | 7 | 6.4 |
| Sunshine mean duration (h) | 3.6 | 4 | 6.5 | 9 | 8.8 | 12.2 | 10.3 | 9.5 | 7.3 | 5.7 | 3.5 | 2.9 |
| Precipitation (mm) | 112 | 105 | 101 | 70 | 51 | 70 | 171 | 105 | 175 | 112 | 81 | 151 |
| Sunny days | 4 | 4 | 5 | 7 | 8 | 12 | 2 | 6 | 5 | 4 | 4 | 6 |
| Rainy days | 25 | 24 | 23 | 23 | 23 | 18 | 29 | 25 | 25 | 27 | 26 | 25 |
| Snow days | 2 | 3 |
The best time to visit Stornoway during the most sunny months:
Months with the longest average daylight duration in Stornoway:
The largest precipitation sum in Stornoway is at