Average temperature in April is 0.4 °C
Average daytime temperature is 5.7 °C
Average night temperature is -3.7 °C
Absolute maximum temperature: 14.5 °C
Absolute minimum temperature: -15.5 °C
Number of sunny days: 19
Number of rainy days: 6
Number of snow days: 5
Precipitation sum: 26 mm
* Weather data for Wilton 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 | -1.2 | 3 | 1.5 | -5.3 | -6.7 | -4.2 | -2.5 | 0.2 | 5.9 | 8.2 | 8 | 8.8 | 3.2 | 3.4 | 5.1 | 9.9 | 8.1 | 7.9 | 14.5 | 11.5 | 1.6 | 5.2 | 6.9 | 8 | 9.7 | 14.3 | 12.5 | 10.1 | 12.2 | 11.7 |
| Apparent max temperature | -6.8 | -2.7 | -6.2 | -11 | -16.2 | -7 | -7.9 | -4.2 | 2.9 | 5.3 | 4.9 | 3.5 | -1 | -0.5 | 0 | 7.2 | 4.6 | 1.7 | 9.4 | 6.9 | -5 | -0.8 | 2.2 | 4.5 | 5.7 | 9.8 | 7.4 | 4.7 | 5.9 | 6.2 |
| Mean temperature | -8.4 | -0.8 | -2.6 | -7.8 | -8.3 | -10 | -7 | -3.8 | 0.5 | 3.3 | 5.5 | 5.1 | 1.4 | 0.6 | 1.2 | 1.6 | 2.4 | 2.5 | 5.5 | 0.9 | -1.2 | -0.5 | 0.4 | 1.6 | 1.7 | 6.1 | 6 | 4.3 | 6.2 | 5 |
| Apparent mean temperature | -19.1 | -12.3 | -10.9 | -17.3 | -19.8 | -20.5 | -16.4 | -13.7 | -7.9 | -5.5 | -1.9 | -3.7 | -7.7 | -5.9 | -7.5 | -9.3 | -7.5 | -7.8 | -5.2 | -8.8 | -10.6 | -10.8 | -9.7 | -8.7 | -9.1 | -4.8 | -2 | -4.9 | -5.4 | -5.7 |
| Minimum temperature | -12.9 | -4.8 | -5.3 | -10.3 | -9.8 | -15.5 | -9.8 | -6.1 | -3 | -0.3 | 3.8 | 3.1 | -0.7 | -1.3 | -2.9 | -5.1 | -3.3 | -1.7 | 1.1 | -3.3 | -3.3 | -5.1 | -5.5 | -4.3 | -4 | 0.9 | 1.9 | -1 | -1.9 | -1.7 |
| Apparent min temperature | -14.3 | -7.5 | -8.4 | -14.7 | -17.6 | -15.5 | -13.3 | -10.2 | -3.7 | -1.2 | 0.8 | 0.4 | -4.3 | -4 | -3.5 | -2.4 | -2 | -3.7 | -0.3 | -4.3 | -8.1 | -6.4 | -4.2 | -2.7 | -3.3 | 1 | 1.8 | 0.2 | 1.3 | 0.1 |
| 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) | 12.8 | 12.9 | 12.9 | 13 | 13 | 13.1 | 13.2 | 13.2 | 13.3 | 13.3 | 13.4 | 13.4 | 13.5 | 13.5 | 13.6 | 13.6 | 13.7 | 13.8 | 13.8 | 13.9 | 13.9 | 14 | 14 | 14.1 | 14.1 | 14.2 | 14.2 | 14.3 | 14.3 | 14.4 |
| Sunshine duration (h) | 11.7 | 11.7 | 2.4 | 0.2 | 8 | 12 | 11.9 | 12 | 11.9 | 11.9 | 12.3 | 12.4 | 8.3 | 7.9 | 11.2 | 12.6 | 12.6 | 6.1 | 7 | 2.9 | 0 | 10.4 | 11.3 | 12.9 | 12.9 | 8.2 | 3.5 | 7.6 | 12 | 13 |
| Precipitation (mm) | 0 | 1.9 | 0 | 2.4 | 5.7 | 0 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 2.1 | 0.1 | 5.8 | 0 | 0 | 0 | 0 | 3.2 | 4.2 | 0.1 | 0 | 0 |
| Precipitation hours | 0 | 3 | 0 | 10 | 17 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 6 | 1 | 22 | 0 | 0 | 0 | 0 | 5 | 11 | 1 | 0 | 0 |
| Wind speed (m/s) | 30.1 | 35.1 | 43.8 | 39.2 | 49.1 | 44.4 | 27.5 | 30.9 | 19.2 | 27.5 | 28.6 | 36.2 | 35.9 | 24.6 | 28.1 | 21.1 | 20.6 | 28.8 | 30.1 | 26.9 | 38 | 25.7 | 18 | 18.1 | 22 | 24.6 | 28.1 | 24.9 | 35.5 | 28.8 |
In April 2023, the highest daytime temperature in Wilton was 14.5°C.
While the minimum temperature at night dropped to -15.5°C.
The average nighttime and daytime temperatures during April in Wilton are -3.7°C and 5.7°C respectively.
The precipitation sum in April is about 26 mm.