Average temperature in May is 12.5 °C
Average daytime temperature is 19 °C
Average night temperature is 6.8 °C
Absolute maximum temperature: 28.4 °C
Absolute minimum temperature: 0.1 °C
Number of sunny days: 21
Number of rainy days: 10
Number of snow days:
Precipitation sum: 51 mm
* Weather data for Williamsville United States is based on climate observations for 2023 year
| Maggio (°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 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 7.8 | 4.7 | 4.4 | 10.6 | 12.9 | 18.3 | 19.2 | 20.8 | 17.4 | 18.6 | 22.3 | 24.3 | 22.1 | 18.3 | 21.1 | 21.2 | 15.7 | 18.5 | 20.9 | 17.5 | 20.8 | 20.9 | 22.2 | 22.5 | 16.5 | 19.4 | 22.4 | 25.6 | 28.4 | 27 | 27.8 |
| Apparent max temperature | 2.9 | -0.3 | 0.6 | 7.8 | 10.5 | 18.7 | 17.8 | 19.3 | 16.4 | 18.4 | 22.6 | 24.5 | 20 | 16.3 | 19.3 | 17.7 | 11.8 | 16.5 | 18.7 | 14.4 | 18.9 | 21 | 21.1 | 20.8 | 14.7 | 18.6 | 21.6 | 25.8 | 27.9 | 27.2 | 27.7 |
| Mean temperature | 3.8 | 2 | 1.9 | 5.7 | 7 | 10.1 | 12.2 | 14.3 | 12.4 | 11.1 | 13.7 | 17.3 | 17.7 | 13.5 | 12.4 | 13.5 | 10.1 | 8.3 | 14 | 13.8 | 13 | 15.1 | 15.9 | 16 | 9.2 | 11.1 | 14.5 | 17.5 | 19.9 | 19.6 | 20 |
| Apparent mean temperature | -2.8 | -4.3 | -3.7 | -0.1 | -1.6 | 0.7 | 3.5 | 7.8 | 5.9 | 1.3 | 2.5 | 8.3 | 10.4 | 5 | 1.5 | 1.8 | 1.5 | -4.4 | 5 | 9.2 | 3.3 | 6.9 | 7.7 | 8.5 | -1.8 | -0.3 | 4.7 | 8.4 | 9.8 | 9.1 | 10.2 |
| Minimum temperature | 1.8 | 0.5 | 0.3 | 3 | 1.5 | 3.8 | 6.9 | 9.6 | 8 | 4.7 | 5.6 | 10.7 | 13.1 | 8.1 | 4.7 | 6.2 | 5.3 | 0.1 | 8.1 | 11.6 | 7.3 | 9.1 | 9.9 | 10.6 | 2.2 | 3.7 | 7.8 | 10.2 | 12.5 | 11.7 | 12.3 |
| Apparent min temperature | -0.7 | -2.6 | -2 | 2.7 | 4.6 | 8.1 | 10 | 13.1 | 10 | 8.7 | 12 | 16.3 | 15.6 | 10.6 | 9.5 | 9.5 | 6.7 | 4.9 | 11.2 | 12 | 10.1 | 13.7 | 14.4 | 14.1 | 6 | 8.2 | 12.4 | 16.3 | 18.3 | 18.3 | 18.9 |
| Maggio | 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 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 14 | 14 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.6 | 14.7 | 14.7 | 14.7 | 14.8 | 14.8 | 14.8 | 14.8 | 14.9 | 14.9 | 14.9 | 14.9 | 15 |
| Sunshine duration (h) | 5 | 1.5 | 0.9 | 6.1 | 11.7 | 12 | 5.2 | 12.1 | 11.6 | 13.4 | 13.4 | 12.9 | 6.4 | 12.2 | 12.6 | 13.5 | 13 | 13.6 | 8.9 | 1.2 | 13.7 | 13.3 | 13.7 | 13.7 | 13.7 | 13.7 | 13.8 | 12.6 | 12.8 | 13.8 | 13.8 |
| Precipitation (mm) | 5 | 6.6 | 8.3 | 3 | 1.2 | 0 | 2 | 0.4 | 1.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 15 | 24 | 23 | 15 | 7 | 0 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 25 | 20.5 | 16.4 | 12.6 | 8.9 | 11.3 | 16.7 | 14.2 | 13.8 | 14.4 | 12.8 | 8.5 | 14.4 | 15.9 | 14.2 | 21.5 | 15.5 | 12.3 | 20.4 | 18.8 | 21.2 | 11.4 | 13 | 21.7 | 16.9 | 14.1 | 13.2 | 9.4 | 15.2 | 15.3 | 13.5 |
In May 2023, the highest daytime temperature in Williamsville was 28.4°C.
While the minimum temperature at night dropped to 0.1°C.
The average nighttime and daytime temperatures during May in Williamsville are 6.8°C and 19°C respectively.
The precipitation sum in May is about 51 mm.