Average annual temperature is 7.1 °C
Absolute maximum temperature: 28.6 °C
Absolute minimum temperature: -17.6 °C
Number of sunny days: 143 days
Number of rainy days: 188 days
Number of snow days: 34 days
Look at detailed online map of Upplands Väsby
* Weather data for Upplands Väsby 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) | 5.9 | 7.8 | 11.7 | 19.7 | 24.2 | 28.6 | 23.5 | 24.7 | 23.6 | 16.0 | 9.2 | 6.0 |
| Average daytime temperature (°C) | 2.3 | 2.3 | 3.3 | 10.2 | 17.1 | 23.2 | 20.5 | 19.7 | 18.6 | 9.0 | 3.1 | -0.7 |
| Average temperature (°C) | 0.2 | -0.4 | -0.8 | 4.4 | 11.4 | 17.4 | 16.7 | 16.3 | 15.2 | 6.3 | 0.9 | -3.0 |
| Average night temperature (°C) | -1.9 | -3.3 | -5.6 | -1.2 | 4.8 | 10.6 | 13.1 | 13.3 | 11.8 | 3.8 | -1.4 | -5.9 |
| Absolute minimum temperature (°C) | -7.1 | -8.8 | -17.6 | -13.1 | -3.7 | 3.8 | 9.9 | 11.3 | 5.2 | -2.2 | -8.5 | -14.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 7.0 | 10.0 | 13.0 | 15.0 | 18.0 | 18.0 | 18.0 | 16.0 | 14.0 | 11.0 | 8.0 | 6.0 |
| Daylight mean duration (h) | 7.0 | 9.2 | 11.8 | 14.5 | 17.1 | 18.5 | 17.8 | 15.5 | 12.9 | 10.2 | 7.7 | 6.2 |
| Daylight minimum duration (h) | 6.0 | 8.0 | 10.0 | 13.0 | 15.0 | 18.0 | 16.0 | 14.0 | 11.0 | 8.0 | 6.0 | 6.0 |
| Sunshine mean duration (h) | 1.9 | 3.4 | 4.6 | 9.5 | 13.0 | 14.2 | 13.3 | 8.3 | 7.4 | 4.9 | 1.0 | 0.7 |
| Precipitation (mm) | 62 | 36 | 74 | 18 | 39 | 32 | 129 | 130 | 46 | 69 | 75 | 53 |
| Sunny days | 9 | 16 | 7 | 19 | 21 | 21 | 3 | 3 | 14 | 11 | 9 | 10 |
| Rainy days | 18 | 8 | 14 | 11 | 10 | 9 | 28 | 28 | 16 | 20 | 14 | 12 |
| Snow days | 4 | 4 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 9 |
The best time to visit Upplands Väsby during the most sunny months:
Months with the longest average daylight duration in Upplands Väsby:
The largest precipitation sum in Upplands Väsby is at