Average temperature in May is 18.2 °C
Average daytime temperature is 21.2 °C
Average night temperature is 15.6 °C
Absolute maximum temperature: 24.8 °C
Absolute minimum temperature: 9.3 °C
Number of sunny days: 14
Number of rainy days: 17
Number of snow days:
Precipitation sum: 262 mm
* Weather data for Hikari Japan 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 | 19.2 | 18.4 | 19 | 21.1 | 20.6 | 19.3 | 17.6 | 21 | 20.6 | 19.7 | 22.8 | 21.2 | 16.3 | 20.3 | 20.7 | 22.2 | 23.8 | 21.9 | 20.8 | 21.4 | 22.8 | 24 | 23.3 | 20.6 | 21.1 | 22.7 | 22.6 | 22.6 | 23.5 | 24.8 | 22.4 |
| Apparent max temperature | 17.5 | 18.2 | 19.4 | 21 | 18.6 | 20.7 | 19.9 | 22.2 | 21.7 | 20.3 | 22.7 | 21.6 | 16.5 | 22 | 22.3 | 25.5 | 28.1 | 22 | 22.3 | 23.7 | 24.9 | 25.7 | 22.4 | 21.4 | 21.2 | 24.7 | 25.1 | 24.8 | 27.4 | 28.1 | 22.5 |
| Mean temperature | 14.1 | 15.7 | 17.1 | 18.2 | 19.1 | 17.9 | 15.8 | 16.1 | 15.6 | 17 | 18.1 | 18 | 14.9 | 17.1 | 17.6 | 19.1 | 20.8 | 18.2 | 17.9 | 19 | 19.9 | 19.3 | 18.3 | 18.4 | 18.9 | 20.1 | 20.4 | 20.7 | 21.4 | 20.6 | 18.8 |
| Apparent mean temperature | 8.2 | 11.6 | 14.5 | 15.1 | 16 | 16.8 | 10.8 | 9.9 | 10.7 | 13.2 | 11.6 | 14.4 | 12 | 13.2 | 13.3 | 16.4 | 19.6 | 14.2 | 13.9 | 17.5 | 17.7 | 15.4 | 13.7 | 15.4 | 17.2 | 19.5 | 18.8 | 20.4 | 23.9 | 18.1 | 17.2 |
| Minimum temperature | 9.3 | 13.4 | 15.8 | 16.1 | 17.2 | 16.8 | 13.4 | 12.2 | 11.1 | 13.7 | 14 | 15.1 | 14.1 | 12.9 | 13.2 | 15.4 | 18.7 | 15.8 | 13.8 | 15.9 | 17.5 | 16.5 | 14.8 | 16.3 | 17.4 | 18.1 | 18.8 | 19.6 | 20.6 | 17.6 | 17.4 |
| Apparent min temperature | 12.5 | 14.8 | 16.5 | 17.3 | 17 | 18.5 | 15.9 | 14.2 | 15.2 | 17 | 16.8 | 18.4 | 13.9 | 18.2 | 18.6 | 21 | 22.9 | 17.5 | 18.5 | 20.6 | 21.1 | 20 | 17.1 | 18.6 | 18.7 | 21.2 | 20.8 | 22 | 24.9 | 23 | 18.9 |
| 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 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 14 | 14 | 14 | 14 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 |
| Sunshine duration (h) | 12.3 | 12 | 10.1 | 6.2 | 8.2 | 0.1 | 2 | 11.7 | 12.4 | 12.2 | 12 | 10 | 0 | 11.4 | 12.6 | 12.6 | 11.1 | 2.8 | 5.5 | 12.6 | 12.7 | 8.1 | 11.8 | 9.5 | 8.7 | 9.5 | 10.6 | 7 | 4.2 | 4.7 | 5.3 |
| Precipitation (mm) | 0 | 0 | 0 | 5.7 | 16.3 | 53.2 | 52.8 | 0 | 0 | 0 | 0 | 2.5 | 25.1 | 0.7 | 0 | 0 | 0 | 29.7 | 3.9 | 0 | 0 | 2.7 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0.4 | 22 | 45.8 | 1.1 |
| Precipitation hours | 0 | 0 | 0 | 8 | 6 | 22 | 15 | 0 | 0 | 0 | 0 | 5 | 21 | 3 | 0 | 0 | 0 | 19 | 5 | 0 | 0 | 4 | 1 | 1 | 1 | 0 | 0 | 2 | 19 | 19 | 2 |
| Wind speed (m/s) | 25.8 | 12.6 | 15.8 | 24.5 | 31.5 | 31 | 19.3 | 21.6 | 14.4 | 15.4 | 17.3 | 15.5 | 21.7 | 11 | 11 | 8 | 20.5 | 25.2 | 26.6 | 15.2 | 16.9 | 17.6 | 22.4 | 16.5 | 15.6 | 16.1 | 19.8 | 18.5 | 12.4 | 15.9 | 13.6 |
In May 2023, the highest daytime temperature in Hikari was 24.8°C.
While the minimum temperature at night dropped to 9.3°C.
The average nighttime and daytime temperatures during May in Hikari are 15.6°C and 21.2°C respectively.
The precipitation sum in May is about 262 mm.