Average temperature in May is 20.3 °C
Average daytime temperature is 25.5 °C
Average night temperature is 15.8 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: 8.5 °C
Number of sunny days: 15
Number of rainy days: 16
Number of snow days:
Precipitation sum: 140 mm
* Weather data for Irmo 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 | 20 | 21 | 21.9 | 22 | 23.6 | 24.9 | 27 | 29 | 32.6 | 28.2 | 28.8 | 30.1 | 30.2 | 30.1 | 28.6 | 30.9 | 28.6 | 23.5 | 22.6 | 24.2 | 26 | 25.1 | 25 | 25.7 | 25.9 | 22.4 | 18.5 | 17.3 | 25.9 | 26.3 | 24.8 |
| Apparent max temperature | 15.3 | 17.3 | 17.6 | 21 | 22.7 | 24.7 | 27.2 | 29.9 | 34.1 | 29.4 | 29.3 | 31.7 | 32.6 | 34.8 | 27.8 | 32.3 | 30.9 | 25.8 | 23.4 | 25.8 | 29 | 25 | 23.8 | 24.9 | 24.2 | 20.6 | 14.7 | 16.9 | 27.6 | 28.7 | 26 |
| Mean temperature | 15.8 | 16.1 | 15.7 | 15 | 17.7 | 19.3 | 20.3 | 22.8 | 25 | 22.6 | 22.3 | 23.1 | 24.5 | 24.7 | 24.1 | 24.3 | 24.3 | 19.4 | 17.9 | 20.1 | 21.9 | 21.4 | 20.1 | 20 | 19.6 | 19 | 15.2 | 15 | 19 | 20.9 | 21.1 |
| Apparent mean temperature | 8.1 | 7.9 | 7.3 | 6.2 | 9.8 | 13.4 | 15.8 | 18.9 | 20.6 | 17.5 | 17.2 | 18.5 | 22.5 | 22.9 | 20 | 19.6 | 21.9 | 15 | 13.4 | 18.5 | 21.8 | 18.6 | 15 | 12.6 | 12.9 | 13.1 | 7.9 | 11.4 | 14.2 | 17.2 | 17.6 |
| Minimum temperature | 10.8 | 11.7 | 9.7 | 8.5 | 11.7 | 13.3 | 15.4 | 18.1 | 19.7 | 17.4 | 16.3 | 17.2 | 20.3 | 20.3 | 20.3 | 18.3 | 20.9 | 16.3 | 14.5 | 17.4 | 19.4 | 18.4 | 15.9 | 14.3 | 14.3 | 15.6 | 11.3 | 13.9 | 14.5 | 16.4 | 17 |
| Apparent min temperature | 11.3 | 11.9 | 12.2 | 13.5 | 16.9 | 19.3 | 20.6 | 23.4 | 26.1 | 23.3 | 22.3 | 24.1 | 26.5 | 27.3 | 23.8 | 24.8 | 25.7 | 20 | 17.7 | 21.4 | 24.3 | 21.9 | 19.5 | 18.9 | 17.9 | 16.2 | 11.6 | 13.7 | 19.7 | 22.3 | 21.8 |
| 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) | 13.5 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 14 | 14 | 14 | 14 | 14 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.3 |
| Sunshine duration (h) | 12.7 | 12.5 | 12.7 | 12.7 | 7.4 | 10.9 | 11.5 | 11 | 11.8 | 10.7 | 11.5 | 12.4 | 11.9 | 12.9 | 12.9 | 12.9 | 11.7 | 0 | 2.2 | 3.2 | 9.5 | 10.2 | 7.4 | 12.9 | 10.3 | 7 | 0 | 0 | 12 | 13 | 12.1 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 3 | 0.4 | 0 | 0 | 0.3 | 0.3 | 4.9 | 0.7 | 0 | 3.6 | 43.7 | 9.2 | 0 | 25.7 | 0 | 0 | 0 | 0 | 0 | 23.6 | 18.1 | 5.2 | 0.7 | 0.5 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 2 | 0 | 0 | 2 | 3 | 4 | 3 | 0 | 3 | 21 | 19 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 15 | 24 | 2 | 4 | 5 |
| Wind speed (m/s) | 33.4 | 33.6 | 26.8 | 9.8 | 10.3 | 11.2 | 18.6 | 19.5 | 25.4 | 17.9 | 14.6 | 15.6 | 12 | 17.5 | 15.9 | 20.3 | 20.6 | 23.7 | 17.4 | 9.4 | 15 | 18.4 | 18.7 | 14.4 | 21.9 | 23.4 | 28.8 | 26.3 | 13 | 14 | 14.7 |
In May 2023, the highest daytime temperature in Irmo was 32.6°C.
While the minimum temperature at night dropped to 8.5°C.
The average nighttime and daytime temperatures during May in Irmo are 15.8°C and 25.5°C respectively.
The precipitation sum in May is about 140 mm.