Average temperature in May is 18.9 °C
Average daytime temperature is 25.6 °C
Average night temperature is 12.9 °C
Absolute maximum temperature: 30.3 °C
Absolute minimum temperature: 5.3 °C
Number of sunny days: 16
Number of rainy days: 15
Number of snow days:
Precipitation sum: 81 mm
* Weather data for Richland 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 | 16.4 | 17.5 | 20.6 | 21.8 | 22.2 | 28.9 | 29.4 | 28.5 | 27 | 26.6 | 22.7 | 28.7 | 30 | 28.2 | 24 | 20.8 | 25.8 | 26.2 | 23.8 | 21.1 | 23.4 | 25.7 | 28.2 | 28.2 | 29 | 25.6 | 26.3 | 27.4 | 28.9 | 29.7 | 30.3 |
| Apparent max temperature | 12 | 13.8 | 19.5 | 19.6 | 21.3 | 29.4 | 30.8 | 31.5 | 27.9 | 29.2 | 23.1 | 31 | 34.8 | 32.6 | 26.3 | 22.4 | 27.1 | 27.2 | 24.9 | 21.3 | 25 | 26.3 | 28.1 | 29.6 | 29 | 24.9 | 27.3 | 28.3 | 30.3 | 32.4 | 32.8 |
| Mean temperature | 10.9 | 11.6 | 12.6 | 12.9 | 14.9 | 19.6 | 24.3 | 22.6 | 20.4 | 20.5 | 18.7 | 21.9 | 22.9 | 22.8 | 20.4 | 18.4 | 18.7 | 19.9 | 18.4 | 14.2 | 15.9 | 17.4 | 19.1 | 21.1 | 21.6 | 19.5 | 18.2 | 19.7 | 21.1 | 21.6 | 22.6 |
| Apparent mean temperature | 1.8 | 2.3 | 1.9 | 2 | 9.2 | 13.8 | 18.8 | 16.5 | 16.9 | 14.9 | 16.4 | 18.9 | 19.4 | 19.8 | 19.6 | 16.4 | 12.1 | 12.4 | 12.6 | 6.5 | 8.1 | 7.4 | 8.9 | 14.5 | 13.2 | 8.8 | 8 | 10.4 | 11.8 | 12.8 | 15.8 |
| Minimum temperature | 6.7 | 6.6 | 5.6 | 5.3 | 10.9 | 15 | 18.1 | 16.4 | 15.8 | 15.6 | 16.1 | 17.8 | 17.7 | 18.1 | 17.8 | 16.1 | 12.7 | 13.1 | 13.2 | 8.7 | 9.3 | 9.3 | 10.1 | 14.4 | 13.1 | 11.7 | 9.6 | 11.2 | 13.5 | 14.4 | 15.7 |
| Apparent min temperature | 6.1 | 7.3 | 9.4 | 10.3 | 13.4 | 19.1 | 24.9 | 24.2 | 21.6 | 21.4 | 19.3 | 23.8 | 25.4 | 25.6 | 22.6 | 19.4 | 19.1 | 20 | 18.7 | 13.1 | 15.5 | 17.3 | 18.4 | 21.8 | 21.6 | 17.5 | 17.1 | 19.5 | 20.8 | 21.4 | 23.8 |
| 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) | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 14 | 14 | 14 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 |
| Sunshine duration (h) | 12.7 | 12.8 | 12.8 | 7.8 | 9.2 | 9 | 12.5 | 12.4 | 10.5 | 9 | 1.5 | 9.1 | 11.7 | 11.9 | 4.1 | 3 | 11.6 | 12.6 | 5.2 | 11.6 | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13 | 13.6 | 13.1 |
| Precipitation (mm) | 0 | 0 | 0 | 2.8 | 10.5 | 0 | 0 | 0.4 | 1.3 | 1.9 | 11.3 | 0.8 | 7.2 | 1.2 | 6 | 29.9 | 0 | 0 | 5.5 | 1.8 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0 |
| Precipitation hours | 0 | 0 | 0 | 6 | 10 | 0 | 0 | 4 | 2 | 5 | 16 | 5 | 3 | 4 | 10 | 21 | 0 | 0 | 6 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Wind speed (m/s) | 27.9 | 20.2 | 14.8 | 9.8 | 21 | 23.1 | 23.4 | 16.5 | 15.7 | 17.2 | 17.9 | 14.2 | 13.5 | 11.4 | 13.9 | 11.9 | 9.5 | 10.4 | 11.8 | 12.3 | 7.8 | 10.9 | 11.7 | 9.4 | 11.6 | 12.2 | 11.8 | 10.1 | 10.8 | 11.8 | 10.3 |
In May 2023, the highest daytime temperature in Richland was 30.3°C.
While the minimum temperature at night dropped to 5.3°C.
The average nighttime and daytime temperatures during May in Richland are 12.9°C and 25.6°C respectively.
The precipitation sum in May is about 81 mm.