Average temperature in May is 18.6 °C
Average daytime temperature is 19.6 °C
Average night temperature is 17.4 °C
Absolute maximum temperature: 22 °C
Absolute minimum temperature: 13.3 °C
Number of sunny days: 13
Number of rainy days: 18
Number of snow days:
Precipitation sum: 202 mm
* Weather data for Ōshima Japan 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 | 19.2 | 17.8 | 18.3 | 18.7 | 19.5 | 20.5 | 20.8 | 17.7 | 16.5 | 18.6 | 17.9 | 19.1 | 18.6 | 17.9 | 17.8 | 20.1 | 21.2 | 21 | 20.9 | 20.8 | 21.2 | 21.5 | 16.8 | 19.7 | 20.1 | 20.3 | 20.5 | 21.2 | 22 | 20.8 | 19.4 |
| Apparent max temperature | 19.3 | 16.5 | 15.6 | 16.6 | 16.6 | 17.1 | 19.6 | 17.1 | 13 | 18.9 | 17 | 17.4 | 15.5 | 15.1 | 16.1 | 20.9 | 22.3 | 22.7 | 20.8 | 19.5 | 23.4 | 24.3 | 16.2 | 19.8 | 20.4 | 20.3 | 21.6 | 19.9 | 22.6 | 23.5 | 19 |
| Mean temperature | 16.7 | 16.7 | 17.9 | 18.3 | 19.2 | 20.2 | 20.4 | 15.2 | 15.7 | 17.1 | 16.2 | 17.5 | 18 | 17.1 | 17 | 19.1 | 20.4 | 20.6 | 19.5 | 19.3 | 20.4 | 19.1 | 16.1 | 18.6 | 19.4 | 20 | 20.1 | 20.7 | 21.5 | 19.7 | 18.7 |
| Apparent mean temperature | 9.8 | 12.5 | 13.3 | 13.6 | 14.4 | 15.2 | 14.2 | 6.3 | 8.5 | 13.1 | 11.3 | 12.6 | 12.3 | 12.8 | 13.5 | 17.6 | 17.8 | 17.9 | 13.4 | 15 | 18.8 | 11.4 | 10.4 | 15.7 | 16.8 | 18.2 | 18.3 | 17.3 | 18.5 | 14.5 | 14.3 |
| Minimum temperature | 14.5 | 15.2 | 17.2 | 17.7 | 18.5 | 19.8 | 20 | 13.3 | 14.2 | 15.5 | 15.1 | 15.5 | 16.5 | 16.2 | 16 | 18.4 | 19.1 | 19.6 | 18.1 | 18.2 | 18.9 | 15.6 | 15.7 | 17.5 | 17.9 | 19.2 | 19.5 | 19.6 | 19.9 | 17.7 | 17.9 |
| Apparent min temperature | 13.3 | 14.2 | 14.1 | 14.6 | 15.2 | 16.2 | 17.2 | 10.1 | 11.3 | 16.3 | 13.9 | 15.8 | 14.4 | 14 | 14.5 | 19.2 | 20.4 | 19.7 | 17 | 17.7 | 20.3 | 18 | 12.3 | 17.6 | 17.8 | 19.2 | 19.4 | 18.9 | 20.2 | 19.6 | 16.9 |
| 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) | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 14 | 14 | 14 | 14 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.3 |
| Sunshine duration (h) | 11.5 | 12.5 | 12.6 | 12.8 | 12.2 | 10 | 0.4 | 8 | 12.8 | 12.8 | 12.8 | 8.9 | 1.8 | 1.7 | 9.6 | 12.9 | 12.9 | 9.6 | 1.2 | 10.2 | 13 | 10 | 3 | 10 | 12 | 12.7 | 12.2 | 9 | 2 | 1.6 | 4 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0.6 | 36.4 | 2.8 | 0 | 0 | 5.2 | 1.2 | 0.8 | 20.6 | 4.9 | 0 | 0 | 0.1 | 72.2 | 0 | 0 | 8.9 | 6.7 | 0.5 | 0.6 | 0 | 0 | 0.3 | 15.5 | 20.4 | 4.5 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 3 | 24 | 2 | 0 | 0 | 8 | 10 | 6 | 21 | 7 | 0 | 0 | 1 | 21 | 0 | 0 | 10 | 10 | 2 | 2 | 0 | 0 | 2 | 16 | 15 | 7 |
| Wind speed (m/s) | 48.8 | 26.3 | 39.3 | 39 | 48.9 | 52.9 | 62.4 | 49.7 | 35.9 | 22.7 | 29.2 | 22.6 | 34.7 | 36.7 | 32.2 | 24.8 | 42.3 | 44.4 | 49.7 | 44.1 | 35.6 | 52.1 | 43.8 | 25.6 | 21.9 | 18.9 | 20.4 | 41.7 | 51.1 | 39.5 | 37.4 |
In May 2023, the highest daytime temperature in Ōshima was 22°C.
While the minimum temperature at night dropped to 13.3°C.
The average nighttime and daytime temperatures during May in Ōshima are 17.4°C and 19.6°C respectively.
The precipitation sum in May is about 202 mm.