Average annual temperature is 5.5 °C
Absolute maximum temperature: 26.7 °C
Absolute minimum temperature: -17.0 °C
Number of sunny days: 149 days
Number of rainy days: 154 days
Number of snow days: 62 days
Look at detailed online map of Västerby
* Weather data for Västerby Sweden is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 4.5 | 8.2 | 8.0 | 17.6 | 23.6 | 26.7 | 23.8 | 22.8 | 23.8 | 15.4 | 5.1 | 6.3 |
| Average daytime temperature (°C) | -0.1 | 0.8 | 1.5 | 8.3 | 17.0 | 22.2 | 19.5 | 19.1 | 17.8 | 6.4 | -0.2 | -3.4 |
| Average temperature (°C) | -2.4 | -2.2 | -2.7 | 3.3 | 11.4 | 16.9 | 15.8 | 15.5 | 13.9 | 4.0 | -2.0 | -6.0 |
| Average night temperature (°C) | -5.1 | -5.6 | -7.4 | -1.3 | 5.1 | 10.7 | 12.1 | 12.1 | 10.0 | 1.5 | -4.1 | -9.4 |
| Absolute minimum temperature (°C) | -12.7 | -15.2 | -15.9 | -7.3 | -1.9 | 4.4 | 9.7 | 9.8 | 4.7 | -4.3 | -11.1 | -17.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 7.0 | 10.0 | 13.0 | 16.0 | 18.0 | 19.0 | 19.0 | 17.0 | 14.0 | 11.0 | 8.0 | 6.0 |
| Daylight mean duration (h) | 6.5 | 9.0 | 11.8 | 14.8 | 17.5 | 19.3 | 18.4 | 15.8 | 12.9 | 10.0 | 7.3 | 5.6 |
| Daylight minimum duration (h) | 5.0 | 7.0 | 10.0 | 13.0 | 16.0 | 18.0 | 17.0 | 14.0 | 11.0 | 8.0 | 6.0 | 5.0 |
| Sunshine mean duration (h) | 2.0 | 4.2 | 6.7 | 9.9 | 14.0 | 15.0 | 11.9 | 8.9 | 8.1 | 4.2 | 0.6 | 0.6 |
| Precipitation (mm) | 74 | 40 | 39 | 37 | 22 | 27 | 165 | 180 | 53 | 64 | 139 | 48 |
| Sunny days | 10 | 15 | 14 | 15 | 21 | 21 | 2 | 6 | 17 | 10 | 6 | 12 |
| Rainy days | 14 | 2 | 5 | 12 | 10 | 9 | 29 | 25 | 13 | 17 | 13 | 5 |
| Snow days | 7 | 11 | 12 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 11 | 14 |
The best time to visit Västerby during the most sunny months:
Months with the longest average daylight duration in Västerby:
The largest precipitation sum in Västerby is at