Average temperature in April is 4.9 °C
Average daytime temperature is 10.6 °C
Average night temperature is -0.6 °C
Absolute maximum temperature: 19.4 °C
Absolute minimum temperature: -9.8 °C
Number of sunny days: 16
Number of rainy days: 13
Number of snow days: 1
Precipitation sum: 25 mm
* Weather data for Västerås Sweden is based on climate observations for 2023 year
| Aprile (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 5.4 | 4.4 | 5.8 | 6.1 | 4.5 | 4.1 | 7.8 | 11.5 | 10.4 | 11 | 12.7 | 13.9 | 12.9 | 7.1 | 12.5 | 12.3 | 13.4 | 13.5 | 13.7 | 16.6 | 18.3 | 19.4 | 17 | 7.7 | 7.7 | 8.1 | 8.9 | 10 | 9.8 | 11.3 |
| Apparent max temperature | 0.3 | -0.7 | 1.9 | 2.4 | -0.5 | 0.4 | 4.6 | 8 | 7.5 | 6.7 | 8.7 | 10.5 | 8.7 | 3.8 | 8.7 | 8.7 | 9.8 | 9.5 | 10.4 | 13.5 | 16.4 | 17 | 13.1 | 5 | 5.8 | 3.2 | 4.6 | 6.4 | 5.7 | 6.8 |
| Mean temperature | -2.1 | -3.1 | -1 | 0.5 | 0.1 | 1 | 2.8 | 5 | 4.7 | 4.5 | 6.5 | 8.1 | 7.7 | 5.3 | 6.3 | 5.4 | 5.9 | 7.1 | 7.4 | 9.1 | 10.9 | 11.5 | 9.4 | 4.9 | 4.9 | 4.7 | 4.3 | 5.1 | 5.1 | 6.3 |
| Apparent mean temperature | -12.7 | -14.8 | -12.4 | -8.6 | -8 | -6.7 | -6.5 | -5.5 | -4.6 | -5.5 | -4.9 | -0.3 | 0.3 | -1.3 | -3.1 | -5.7 | -6.1 | -2.9 | -2.8 | -3.6 | 0 | -0.8 | 0.4 | 0.1 | -1.6 | -3.3 | -3.9 | -4.4 | -3.4 | -3.3 |
| Minimum temperature | -8 | -9.8 | -8.1 | -4.9 | -3.8 | -3.3 | -2.7 | -1.4 | -0.5 | -2 | -0.9 | 2.5 | 4 | 2.9 | 0.9 | -1.2 | -1.9 | 1.2 | 1.5 | -0.2 | 3.4 | 2.3 | 3.9 | 3.6 | 2.1 | 0.7 | 0.1 | -0.4 | 0.1 | 1.5 |
| Apparent min temperature | -6.7 | -7.8 | -5 | -3.1 | -4.1 | -2.7 | -0.5 | 1.5 | 1.5 | 0.8 | 2.8 | 5.2 | 3.9 | 1.6 | 2.4 | 1.5 | 2.1 | 3 | 3.8 | 6.2 | 8.5 | 8.8 | 6.8 | 1.8 | 2.1 | 0.9 | 0.3 | 1.6 | 1.3 | 1.7 |
| Aprile | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 13.3 | 13.4 | 13.4 | 13.5 | 13.6 | 13.7 | 13.8 | 13.9 | 14 | 14.1 | 14.2 | 14.2 | 14.3 | 14.4 | 14.5 | 14.6 | 14.7 | 14.8 | 14.9 | 15 | 15 | 15.1 | 15.2 | 15.3 | 15.4 | 15.5 | 15.6 | 15.7 | 15.7 | 15.8 |
| Sunshine duration (h) | 11.9 | 12 | 12 | 6 | 4.1 | 6 | 10.7 | 12.2 | 11.1 | 12.4 | 12.3 | 12.2 | 5.8 | 1.2 | 13.1 | 13.2 | 13.3 | 13.4 | 13.5 | 13.5 | 13.6 | 13.7 | 4.2 | 0 | 0 | 6 | 13 | 14 | 9.4 | 14.2 |
| Precipitation (mm) | 0 | 0 | 0 | 0.2 | 1.2 | 0 | 0 | 0 | 0.4 | 0 | 0.9 | 3.7 | 2.9 | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 1.3 | 5 | 1.5 | 1.5 | 0.4 | 0.3 | 0 |
| Precipitation hours | 0 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | 3 | 0 | 4 | 6 | 6 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 8 | 10 | 6 | 4 | 2 | 0 |
| Wind speed (m/s) | 17.9 | 17.2 | 9.3 | 13 | 16.1 | 11.8 | 10 | 10.2 | 13 | 14.3 | 18.1 | 19.3 | 26.3 | 16.1 | 14.5 | 13.1 | 12.5 | 17.3 | 14.2 | 10.4 | 11.4 | 14.5 | 15.3 | 16.9 | 13.5 | 18.1 | 17.4 | 12.8 | 19.6 | 17.5 |
In April 2023, the highest daytime temperature in Västerås was 19.4°C.
While the minimum temperature at night dropped to -9.8°C.
The average nighttime and daytime temperatures during April in Västerås are -0.6°C and 10.6°C respectively.
The precipitation sum in April is about 25 mm.