Average temperature in May is 17.6 °C
Average daytime temperature is 22.4 °C
Average night temperature is 13.4 °C
Absolute maximum temperature: 28 °C
Absolute minimum temperature: 6.1 °C
Number of sunny days: 11
Number of rainy days: 20
Number of snow days:
Precipitation sum: 255 mm
* Weather data for Shimanto 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 | 20.4 | 20.9 | 18.9 | 20.8 | 21.6 | 22.3 | 20.1 | 21.9 | 19.5 | 23.1 | 23 | 22 | 18.1 | 21.9 | 22.5 | 26.1 | 27.7 | 21 | 23.3 | 25.7 | 27.2 | 25.7 | 23.3 | 21.6 | 20 | 21.3 | 21.9 | 22.2 | 28 | 23.8 | 19.7 |
| Apparent max temperature | 18.5 | 21.6 | 19.1 | 20.9 | 20.8 | 22 | 22.6 | 23.3 | 19.6 | 24.9 | 23.4 | 22.4 | 18 | 23.6 | 25 | 27.6 | 31.4 | 21.1 | 25.4 | 28.8 | 31 | 29.1 | 22.4 | 22.6 | 20.1 | 22.6 | 22.3 | 24.9 | 31.6 | 28 | 20.1 |
| Mean temperature | 13.4 | 13.9 | 16.1 | 17 | 18.6 | 19.6 | 16.9 | 14.7 | 14.1 | 15.8 | 17 | 17.2 | 14.8 | 16.3 | 16.6 | 19 | 20.7 | 17.8 | 17.7 | 19.2 | 19.8 | 20 | 17.1 | 16.8 | 17.3 | 18.1 | 18.9 | 20.1 | 23 | 20.2 | 17.5 |
| Apparent mean temperature | 2.9 | 4.6 | 12.3 | 15.3 | 16.4 | 19.5 | 9.3 | 4.2 | 6.5 | 6.9 | 10.4 | 13.3 | 12.3 | 11 | 9.6 | 10.9 | 17.4 | 15.8 | 13 | 12.6 | 13.7 | 16.3 | 9.4 | 12.7 | 14.9 | 16 | 16.6 | 20.2 | 22.9 | 17.5 | 16.5 |
| Minimum temperature | 6.1 | 6.5 | 13.1 | 15 | 16.2 | 18.4 | 12.4 | 7.2 | 8.2 | 8.9 | 11.6 | 14.2 | 13.2 | 11.7 | 10.7 | 11.9 | 16.1 | 16.4 | 13.4 | 12.7 | 13.8 | 15.8 | 11.7 | 12.8 | 15.3 | 15.6 | 16.5 | 18.5 | 19.8 | 16.7 | 15.9 |
| Apparent min temperature | 10.7 | 12.7 | 15.5 | 17 | 18.4 | 20.7 | 17.1 | 13 | 13.5 | 15.4 | 16.1 | 17.1 | 14.8 | 17.1 | 17.2 | 19.3 | 22.8 | 17.9 | 18.5 | 20.6 | 20.9 | 21.9 | 15.3 | 16.9 | 17 | 18.7 | 19.1 | 21.9 | 26.3 | 23.1 | 18.1 |
| 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 | 13.5 | 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 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 |
| Sunshine duration (h) | 12.1 | 12.1 | 10 | 5.5 | 10.4 | 2.4 | 2 | 12 | 12.2 | 12.3 | 12.1 | 9.8 | 0 | 10.1 | 12.4 | 12.6 | 10.2 | 0.7 | 2.7 | 12.5 | 12.8 | 9 | 13 | 12.2 | 10.8 | 9.2 | 10 | 6.4 | 7 | 0 | 6 |
| Precipitation (mm) | 0 | 0 | 0.1 | 3.5 | 1.5 | 22.7 | 60.6 | 0 | 0 | 0 | 0 | 0.3 | 39.5 | 1.4 | 1.1 | 0 | 0 | 40.7 | 7.4 | 0 | 0 | 4.2 | 0.1 | 0 | 0.1 | 1.2 | 0.3 | 1.2 | 3.1 | 58.2 | 7.9 |
| Precipitation hours | 0 | 0 | 1 | 5 | 7 | 22 | 16 | 0 | 0 | 0 | 0 | 1 | 16 | 7 | 6 | 0 | 0 | 22 | 5 | 0 | 0 | 10 | 1 | 0 | 1 | 7 | 3 | 9 | 13 | 24 | 6 |
| Wind speed (m/s) | 20.4 | 16 | 12.7 | 14.5 | 18.3 | 21.8 | 24.8 | 14.6 | 12.1 | 12.1 | 12.2 | 13.6 | 15.9 | 9.5 | 8.5 | 11.2 | 10.3 | 22.4 | 18.4 | 15.5 | 13.1 | 11.5 | 22.3 | 12 | 12.3 | 13.6 | 15.5 | 9.7 | 12.8 | 12 | 13.6 |
In May 2023, the highest daytime temperature in Shimanto was 28°C.
While the minimum temperature at night dropped to 6.1°C.
The average nighttime and daytime temperatures during May in Shimanto are 13.4°C and 22.4°C respectively.
The precipitation sum in May is about 255 mm.