Average temperature in April is 12.1 °C
Average daytime temperature is 19.1 °C
Average night temperature is 6.4 °C
Absolute maximum temperature: 27.4 °C
Absolute minimum temperature: -2.2 °C
Number of sunny days: 17
Number of rainy days: 13
Number of snow days:
Precipitation sum: 78 mm
* Weather data for Janesville United States 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 | 19 | 14.8 | 22.4 | 27.2 | 24.6 | 11 | 14.1 | 16.5 | 17.8 | 19.7 | 23.4 | 23.9 | 24.2 | 24 | 25.2 | 22.3 | 14.4 | 17 | 26.1 | 27.4 | 19.2 | 14.6 | 8.8 | 13.3 | 17.2 | 14.4 | 17.8 | 18.7 | 18.9 | 16 |
| Apparent max temperature | 16.3 | 11.1 | 21.4 | 26.6 | 24.9 | 7.4 | 11.5 | 13.8 | 15.3 | 19.2 | 22.2 | 22.5 | 23.1 | 25.5 | 24.1 | 21.8 | 7.9 | 16.4 | 23.2 | 23.1 | 17.7 | 11.5 | 3.4 | 9.9 | 16.3 | 12.6 | 14.9 | 17.1 | 18.3 | 12.3 |
| Mean temperature | 10.8 | 5.9 | 14.1 | 18.3 | 20.3 | 6.9 | 6.8 | 9.1 | 10.5 | 11.9 | 14.2 | 17.2 | 16.9 | 17.5 | 18.9 | 11.8 | 7.8 | 9.5 | 15.8 | 21.1 | 13.5 | 8 | 5.5 | 5.4 | 9.2 | 8.6 | 10.5 | 13.3 | 13.1 | 9.2 |
| Apparent mean temperature | -3.6 | -4.3 | 5.4 | 11.1 | 10.3 | -0.6 | -2.7 | -1 | -0.3 | 1.2 | 4.3 | 8.2 | 6.8 | 8.6 | 12.2 | 0.3 | -2.3 | -1.5 | 5.5 | 12.6 | 6.9 | 0.1 | -2.1 | -6.1 | -0.5 | -1 | -0.2 | 7.1 | 6 | 1.7 |
| Minimum temperature | 4.8 | -0.6 | 8.7 | 12.8 | 14.1 | 3.1 | 1.4 | 3.1 | 3.3 | 4.6 | 7 | 11.7 | 9.7 | 11 | 13.3 | 5.4 | 4.4 | 1.5 | 9.1 | 16.2 | 9.4 | 4.5 | 2 | -2.2 | 3.9 | 3 | 3.4 | 9.3 | 7.9 | 5 |
| Apparent min temperature | 4.7 | 2.3 | 11.5 | 17 | 18.6 | 3.3 | 3.3 | 5.5 | 7.2 | 9.5 | 12 | 14.6 | 14.5 | 16.5 | 17.8 | 7.7 | 1.3 | 6.6 | 12.8 | 17.5 | 11.5 | 3.6 | 0.6 | 1.8 | 5.8 | 5.4 | 7.2 | 10.9 | 10.9 | 4.6 |
| 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) | 12.6 | 12.7 | 12.7 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 13 | 13 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 |
| Sunshine duration (h) | 4.9 | 11 | 11.9 | 3.9 | 2.7 | 11.1 | 11.1 | 11.9 | 12 | 12 | 12 | 12 | 12.1 | 12 | 12.1 | 2 | 11 | 12.2 | 12.2 | 10.1 | 6.5 | 6.9 | 7.2 | 11.5 | 7.6 | 11.1 | 8.9 | 6.3 | 12 | 9.7 |
| Precipitation (mm) | 19.5 | 0 | 0 | 3.1 | 8.9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 15.6 | 0.3 | 0 | 0 | 3 | 13.6 | 0 | 0 | 0 | 1.6 | 0.5 | 0 | 0.7 | 3.4 | 7.3 |
| Precipitation hours | 3 | 0 | 0 | 3 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 16 | 3 | 0 | 0 | 1 | 11 | 0 | 0 | 0 | 3 | 1 | 0 | 4 | 2 | 6 |
| Wind speed (m/s) | 44.7 | 23.8 | 23.7 | 32.5 | 34.2 | 13.2 | 13.8 | 16.8 | 15.3 | 11.5 | 15.6 | 16.8 | 13.8 | 11.8 | 23.8 | 33.9 | 40.8 | 22.1 | 31.7 | 35.4 | 24 | 28.5 | 22 | 14.5 | 20.8 | 19.5 | 13.8 | 17 | 24.2 | 35.6 |
In April 2023, the highest daytime temperature in Janesville was 27.4°C.
While the minimum temperature at night dropped to -2.2°C.
The average nighttime and daytime temperatures during April in Janesville are 6.4°C and 19.1°C respectively.
The precipitation sum in April is about 78 mm.