Average temperature in May is 19.1 °C
Average daytime temperature is 24.8 °C
Average night temperature is 14 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: 5.6 °C
Number of sunny days: 19
Number of rainy days: 12
Number of snow days:
Precipitation sum: 109 mm
* Weather data for Daejeon South Korea 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 | 20.2 | 25.1 | 24.9 | 26.7 | 22.9 | 15.9 | 13.6 | 21 | 23.7 | 23.6 | 24.8 | 23.8 | 23.6 | 25.4 | 28.1 | 32.1 | 31.9 | 22.7 | 25.5 | 29.7 | 26.2 | 22.7 | 26.1 | 27.4 | 27.3 | 26.5 | 25.3 | 22.7 | 24.3 | 27.3 | 27 |
| Apparent max temperature | 17.2 | 23.9 | 23.6 | 27.3 | 23.9 | 13 | 11.7 | 19.8 | 23 | 24.3 | 25.4 | 23.1 | 25 | 25.6 | 27.9 | 31.4 | 30.2 | 21.6 | 24.9 | 30 | 25.7 | 22 | 26 | 25.3 | 26.6 | 26 | 27.1 | 24.8 | 26.8 | 28.4 | 27 |
| Mean temperature | 14.3 | 18.4 | 19.3 | 20.7 | 20.3 | 13 | 10.8 | 14.5 | 15.7 | 17 | 18 | 17.9 | 17.6 | 18.1 | 20.9 | 24 | 24.2 | 18.6 | 20.7 | 20.6 | 18.9 | 17.3 | 19.4 | 20.8 | 21.5 | 22.7 | 21.7 | 21.3 | 21.1 | 21.4 | 21.5 |
| Apparent mean temperature | 5.9 | 10.4 | 13.7 | 17 | 12.8 | 8.2 | 3.3 | 4.7 | 6.9 | 9.1 | 9.9 | 12.4 | 9.9 | 10.6 | 14.8 | 16.4 | 19.1 | 14.7 | 15 | 14.7 | 14.3 | 10.3 | 11.6 | 15.8 | 17 | 19.8 | 21 | 22.8 | 19.3 | 15.2 | 18.4 |
| Minimum temperature | 8.6 | 11.8 | 13.6 | 17.6 | 15.6 | 11.6 | 5.6 | 6.9 | 8.6 | 11.5 | 11.2 | 12.5 | 10.9 | 11.9 | 14.6 | 17.6 | 17.5 | 15.6 | 14.9 | 15.1 | 14 | 11.1 | 12 | 15.4 | 17 | 19.2 | 19.7 | 20.1 | 18 | 16.4 | 16.8 |
| Apparent min temperature | 11.5 | 16.9 | 18.4 | 20 | 21.4 | 10.2 | 8.6 | 13.1 | 14.5 | 15.9 | 17.1 | 17.2 | 17.4 | 17.2 | 20.8 | 23 | 23.9 | 17.1 | 20.3 | 20.2 | 18 | 16.8 | 18.6 | 19.8 | 20.3 | 22.8 | 23.1 | 23.9 | 23.1 | 21.2 | 22 |
| 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) | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 14 | 14 | 14 | 14 | 14.1 | 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 | 14.4 | 14.5 |
| Sunshine duration (h) | 11.9 | 9.8 | 9.6 | 7.6 | 0.6 | 0 | 2 | 12 | 11 | 12.4 | 10.8 | 8.3 | 11.8 | 12.6 | 13 | 13 | 10.9 | 1.1 | 6.1 | 11 | 9.4 | 8 | 12.4 | 8.6 | 9 | 5.2 | 1.4 | 0 | 2.8 | 11.2 | 11.3 |
| Precipitation (mm) | 0 | 0 | 0 | 7.7 | 21.3 | 15.9 | 1.3 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0.5 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0.2 | 4.8 | 3.6 | 48.7 | 4.9 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 8 | 23 | 12 | 5 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 3 | 12 | 24 | 9 | 0 | 0 |
| Wind speed (m/s) | 16.1 | 8.9 | 11.5 | 19.6 | 28.7 | 29.8 | 18.8 | 10.5 | 11.4 | 13.9 | 11.6 | 16.4 | 12.3 | 15.5 | 16.5 | 21.2 | 21.6 | 18.6 | 19.8 | 22 | 19.8 | 9.5 | 9.8 | 15 | 22.2 | 12.2 | 13 | 18.1 | 13.5 | 21.5 | 17.1 |
In May 2023, the highest daytime temperature in Daejeon was 32.1°C.
While the minimum temperature at night dropped to 5.6°C.
The average nighttime and daytime temperatures during May in Daejeon are 14°C and 24.8°C respectively.
The precipitation sum in May is about 109 mm.