Average temperature in April is 15.3 °C
Average daytime temperature is 18.7 °C
Average night temperature is 11.5 °C
Absolute maximum temperature: 23.8 °C
Absolute minimum temperature: 4.4 °C
Number of sunny days: 13
Number of rainy days: 17
Number of snow days:
Precipitation sum: 206 mm
* Weather data for Hamamatsu Japan is based on climate observations for 2023 year
| April (°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 19.2 | 19 | 17.2 | 17.6 | 18.8 | 19.3 | 18.6 | 16.6 | 16.2 | 17.6 | 19.7 | 20.3 | 17.9 | 19.1 | 16.3 | 19.5 | 17.3 | 17.6 | 21.5 | 20.7 | 23.8 | 17.5 | 17.4 | 15.6 | 16.8 | 19.5 | 20.1 | 19.4 | 20.4 | 21.7 |
| Apparent max temperature | 19 | 16.6 | 15.5 | 17 | 18.6 | 17.6 | 16.1 | 10.6 | 10.6 | 16.6 | 18.9 | 18 | 17.8 | 18.9 | 15.8 | 15 | 12.1 | 17 | 20.6 | 23.4 | 23.7 | 17 | 17.1 | 15.1 | 15.4 | 17.9 | 19 | 20.3 | 21.3 | 21.6 |
| Mean temperature | 14.9 | 14.9 | 13.6 | 13.9 | 17 | 18.8 | 15.4 | 10.9 | 10.2 | 15.8 | 17.9 | 14.7 | 13.5 | 15.7 | 14.4 | 14.7 | 12.7 | 16.4 | 17.5 | 17.6 | 18.4 | 14.3 | 14.9 | 13.4 | 15.5 | 14.3 | 15.2 | 15.9 | 19 | 16.7 |
| Apparent mean temperature | 8.9 | 7.1 | 6.8 | 7.5 | 14.1 | 15.7 | 5.6 | 0.2 | 1.3 | 9.8 | 14.6 | 2.9 | 6.5 | 7.6 | 8.5 | 4.9 | 4.5 | 13.4 | 11.4 | 13.1 | 13 | 11 | 10.8 | 8.5 | 10.5 | 5.4 | 7.6 | 11.1 | 16.9 | 9.4 |
| Minimum temperature | 11.5 | 11.3 | 9.1 | 9.5 | 15.3 | 17.4 | 10.5 | 7 | 4.4 | 12 | 14.8 | 8.1 | 8.6 | 11.3 | 12.1 | 10 | 7.4 | 14.4 | 12.7 | 13.1 | 14.4 | 11.8 | 12.4 | 11.3 | 14 | 10.6 | 9.4 | 11.9 | 16.9 | 13.1 |
| Apparent min temperature | 13.3 | 11.3 | 11.1 | 12.3 | 15.7 | 16.5 | 11.8 | 4.3 | 6 | 13.9 | 16.3 | 10.9 | 12.6 | 14.7 | 12.1 | 10.4 | 8.1 | 15.2 | 16.7 | 18.8 | 18 | 12.6 | 13.6 | 11.2 | 12.1 | 10.5 | 14 | 15.7 | 19 | 13.9 |
| April | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 13 | 13 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.5 |
| Sunshine duration (h) | 11.7 | 11 | 11.8 | 10.9 | 8.8 | 1.4 | 2 | 11.8 | 11.9 | 11.9 | 11.7 | 8.9 | 11.9 | 7.2 | 1 | 12 | 12 | 10 | 7.2 | 12 | 10 | 7.7 | 10.2 | 1.6 | 1 | 4.5 | 12.3 | 11 | 8 | 3.4 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 2.5 | 2.2 | 32 | 0 | 0 | 0 | 0.1 | 0.6 | 0 | 13.3 | 54.4 | 0.4 | 0 | 2.6 | 0 | 0 | 0.2 | 0.2 | 0.4 | 0.3 | 27.1 | 41 | 0 | 0 | 26.3 | 2.2 |
| Precipitation hours | 0 | 0 | 0 | 0 | 5 | 9 | 13 | 0 | 0 | 0 | 1 | 3 | 0 | 6 | 18 | 1 | 0 | 4 | 0 | 0 | 2 | 2 | 3 | 2 | 13 | 9 | 0 | 0 | 15 | 3 |
| Wind speed (m/s) | 21.4 | 28.2 | 22.1 | 15.1 | 19.4 | 30.3 | 48.2 | 45.6 | 33.8 | 20.9 | 23.8 | 30.5 | 15.1 | 23.9 | 34.2 | 38.2 | 39.1 | 23.7 | 28.4 | 16.1 | 34.2 | 26.2 | 19.3 | 23.9 | 29.9 | 41.6 | 31.5 | 16.6 | 43.1 | 29.6 |
In April 2023, the highest daytime temperature in Hamamatsu was 23.8°C.
While the minimum temperature at night dropped to 4.4°C.
The average nighttime and daytime temperatures during April in Hamamatsu are 11.5°C and 18.7°C respectively.
The precipitation sum in April is about 206 mm.