Average temperature in May is 19.7 °C
Average daytime temperature is 26.4 °C
Average night temperature is 13.8 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: 4.2 °C
Number of sunny days: 15
Number of rainy days: 16
Number of snow days:
Precipitation sum: 39 mm
* Weather data for Washington 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 | 17.3 | 18.4 | 22.5 | 24.5 | 27.5 | 30.2 | 31.6 | 29.5 | 27.2 | 28.2 | 26.5 | 30.1 | 26.7 | 26.9 | 24.5 | 22.8 | 25.9 | 27.2 | 19.5 | 20.2 | 24.5 | 26.2 | 27.3 | 29.6 | 27.8 | 28.1 | 28.3 | 26.5 | 30.8 | 31.9 | 31 |
| Apparent max temperature | 12.7 | 14.1 | 21.3 | 22.1 | 26.9 | 32.1 | 32.8 | 29.4 | 25.3 | 29.9 | 25.3 | 28.9 | 25.3 | 29.1 | 22.6 | 22.3 | 27.6 | 28.3 | 20.4 | 21.1 | 25.1 | 26.1 | 26.9 | 28.9 | 27.6 | 26.8 | 27 | 25.6 | 30.8 | 32.1 | 31.9 |
| Mean temperature | 10.7 | 11.7 | 13.1 | 18.2 | 18.7 | 23 | 23.3 | 22.2 | 21.4 | 20.9 | 21.2 | 22.5 | 21.4 | 21.6 | 16.1 | 16.4 | 18.6 | 19.8 | 16.7 | 13.8 | 16.9 | 19.4 | 20.9 | 22.2 | 22 | 22.1 | 21.7 | 21.4 | 24 | 24.5 | 25 |
| Apparent mean temperature | -0.1 | -0.2 | 0.2 | 9.1 | 12 | 17.7 | 16.5 | 13.6 | 15.5 | 14.6 | 17.5 | 17.6 | 13.9 | 18.1 | 11.1 | 11 | 10.6 | 11.3 | 8 | 4.7 | 8.5 | 11.6 | 13.3 | 16.1 | 16.9 | 15.1 | 11.2 | 13.2 | 17.9 | 18.8 | 19.4 |
| Minimum temperature | 4.9 | 4.3 | 4.2 | 12.9 | 12.9 | 18.1 | 16.6 | 14.3 | 16.9 | 15.3 | 16.7 | 17.2 | 14.9 | 17.3 | 12.7 | 12.8 | 11.4 | 12.5 | 13.2 | 7.3 | 10.2 | 12.7 | 13.8 | 16 | 16 | 17 | 14.7 | 15.7 | 18.1 | 18 | 18.9 |
| Apparent min temperature | 5.6 | 7.2 | 10.1 | 15 | 17.6 | 23.6 | 23.3 | 20.5 | 20.2 | 20.9 | 21 | 22.1 | 20.1 | 22.1 | 14.3 | 15 | 18.3 | 19.2 | 14.5 | 12 | 15.9 | 18.4 | 20.3 | 21.6 | 21.8 | 20.8 | 18.7 | 18.8 | 23.4 | 24.5 | 24.9 |
| 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) | 13.9 | 13.9 | 14 | 14 | 14 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.6 | 14.7 | 14.7 | 14.7 | 14.7 | 14.8 | 14.8 |
| Sunshine duration (h) | 12.9 | 12.9 | 12.9 | 12.1 | 8.5 | 12 | 12.7 | 11 | 4 | 11.8 | 10.2 | 10.8 | 13 | 8.2 | 0 | 7.1 | 13.2 | 13.1 | 8 | 13.2 | 13.3 | 13.2 | 12.9 | 13.2 | 13.2 | 13 | 13.3 | 13.4 | 11.3 | 12.7 | 12.6 |
| Precipitation (mm) | 0 | 0 | 0 | 2.4 | 0.7 | 0.2 | 0.1 | 0 | 2.8 | 0.7 | 1.7 | 2.1 | 0 | 0.1 | 23.3 | 0 | 0 | 1.2 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0.5 | 0 | 0.3 | 0 | 0 | 1.8 |
| Precipitation hours | 0 | 0 | 0 | 5 | 3 | 2 | 1 | 0 | 4 | 2 | 5 | 6 | 0 | 1 | 19 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 2 | 0 | 0 | 1 |
| Wind speed (m/s) | 26.1 | 19.1 | 16.1 | 26.2 | 23.8 | 22.4 | 21.7 | 38.9 | 26.4 | 27.3 | 28.7 | 31.5 | 19 | 13.4 | 25.4 | 14.8 | 10.9 | 20.6 | 26.4 | 18 | 11 | 17.1 | 12.3 | 13.6 | 21.5 | 19.6 | 20.1 | 24.5 | 23 | 18.2 | 20.8 |
In May 2023, the highest daytime temperature in Washington was 31.9°C.
While the minimum temperature at night dropped to 4.2°C.
The average nighttime and daytime temperatures during May in Washington are 13.8°C and 26.4°C respectively.
The precipitation sum in May is about 39 mm.