Average temperature in May is 22.9 °C
Average daytime temperature is 28.2 °C
Average night temperature is 18.6 °C
Absolute maximum temperature: 33 °C
Absolute minimum temperature: 13.5 °C
Number of sunny days: 8
Number of rainy days: 23
Number of snow days:
Precipitation sum: 280 mm
* Weather data for Hillsboro United States is based on climate observations for 2023 year
| May (°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 | 24.7 | 26.7 | 27 | 26.6 | 33 | 31.3 | 29.8 | 31.1 | 26.6 | 26.5 | 25.3 | 27.7 | 27.4 | 22.8 | 28.4 | 25.7 | 28 | 28.8 | 30.2 | 28.5 | 24.7 | 28.4 | 27.9 | 27.5 | 29.6 | 30.5 | 30.5 | 30.9 | 29.3 | 28.3 | 31 |
| Apparent max temperature | 23.3 | 28.9 | 29.3 | 27.8 | 37.1 | 33.8 | 31.7 | 34.1 | 27.9 | 30.7 | 26.4 | 30.1 | 30.3 | 26.8 | 33.5 | 26 | 30.9 | 32.2 | 33.1 | 30.9 | 25.4 | 31.6 | 32.3 | 30.4 | 29.9 | 30.9 | 31.6 | 32 | 30.9 | 31.6 | 34.3 |
| Mean temperature | 19.2 | 19.5 | 22.2 | 21.8 | 25.6 | 25.9 | 23.3 | 24.7 | 22.9 | 21.5 | 21 | 22.6 | 22.4 | 20.5 | 22.4 | 21.9 | 21.8 | 23.1 | 25.4 | 22.6 | 20.6 | 22.2 | 23.4 | 22.8 | 23.9 | 24.7 | 24.8 | 24.9 | 24.6 | 23.3 | 24.7 |
| Apparent mean temperature | 9.2 | 11.6 | 17.8 | 17.8 | 22.3 | 22.8 | 20.8 | 20 | 21.6 | 19.8 | 17.3 | 21.3 | 19.2 | 21 | 19.6 | 20.5 | 16.8 | 18.7 | 22.9 | 16.9 | 16.6 | 17.2 | 21.5 | 18.8 | 19.8 | 19.8 | 20.3 | 20.4 | 21.9 | 19.5 | 21.6 |
| Minimum temperature | 13.5 | 13.8 | 17.8 | 17.2 | 21.3 | 21.2 | 19.8 | 20 | 20.1 | 19.1 | 16.4 | 20.3 | 19.2 | 19 | 17.9 | 18.5 | 16.2 | 17.6 | 21.1 | 17.3 | 16.9 | 16.9 | 19.9 | 18.7 | 18.8 | 19.3 | 20 | 19.6 | 19.9 | 18.5 | 19.5 |
| Apparent min temperature | 16.3 | 18.7 | 23.4 | 22.5 | 27.3 | 27.6 | 24.8 | 26.4 | 24.8 | 23.9 | 22.2 | 24.4 | 24.6 | 22.9 | 25.4 | 23.7 | 23.4 | 25.2 | 27.8 | 23.2 | 20.7 | 23.6 | 25.2 | 24.3 | 25.2 | 25.2 | 25.1 | 25.8 | 26.2 | 25.9 | 27.3 |
| May | 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) | 13.4 | 13.5 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 14 | 14 | 14 | 14 | 14 | 14 | 14.1 | 14.1 | 14.1 |
| Sunshine duration (h) | 12.6 | 10.6 | 10.8 | 4.5 | 9 | 9.6 | 6.3 | 10 | 5.8 | 4.5 | 3.9 | 3.5 | 5.6 | 0 | 8.5 | 2.9 | 11 | 12.9 | 12.9 | 9.5 | 6.6 | 13 | 9.2 | 9.1 | 13 | 13 | 11.6 | 12.2 | 13 | 11.5 | 13 |
| Precipitation (mm) | 0 | 0 | 0.1 | 0.1 | 0.6 | 0.4 | 48.7 | 2.6 | 4.7 | 13.9 | 7.7 | 16 | 23.6 | 109.2 | 8.1 | 0.2 | 0 | 0.2 | 1.5 | 1.9 | 0 | 0 | 7 | 16.3 | 0 | 0 | 0 | 0.1 | 0.5 | 16.6 | 0.2 |
| Precipitation hours | 0 | 0 | 1 | 1 | 2 | 2 | 10 | 4 | 6 | 14 | 8 | 8 | 20 | 22 | 4 | 2 | 0 | 2 | 6 | 5 | 0 | 0 | 7 | 9 | 0 | 0 | 0 | 1 | 3 | 8 | 2 |
| Wind speed (m/s) | 22.6 | 13.9 | 19.1 | 22.2 | 25.7 | 23.5 | 29.4 | 23.9 | 22.7 | 17.3 | 28.1 | 27.2 | 23 | 19 | 11.4 | 17.2 | 10.1 | 12.3 | 16.6 | 21.7 | 12.5 | 10.9 | 15.8 | 17.3 | 15.2 | 14.8 | 16.6 | 16.3 | 13.7 | 26.2 | 15.5 |
In May 2023, the highest daytime temperature in Hillsboro was 33°C.
While the minimum temperature at night dropped to 13.5°C.
The average nighttime and daytime temperatures during May in Hillsboro are 18.6°C and 28.2°C respectively.
The precipitation sum in May is about 280 mm.