Average temperature in April is 11.4 °C
Average daytime temperature is 17.9 °C
Average night temperature is 5.8 °C
Absolute maximum temperature: 25.6 °C
Absolute minimum temperature: -2.3 °C
Number of sunny days: 12
Number of rainy days: 18
Number of snow days:
Precipitation sum: 128 mm
* Weather data for Uonuma 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 | 17.8 | 16.2 | 17.3 | 20.3 | 21.1 | 22.1 | 20 | 13.2 | 11.1 | 19.1 | 23.4 | 16.4 | 18.1 | 22.1 | 17.6 | 15.1 | 11 | 14.3 | 17.8 | 25.6 | 18.6 | 13.1 | 15.2 | 13.5 | 20.1 | 15.7 | 16 | 23.4 | 25.4 | 16.7 |
| Apparent max temperature | 17.1 | 14.9 | 16.2 | 18.5 | 20.1 | 22.7 | 20.4 | 10 | 8.2 | 18.1 | 23.5 | 14.2 | 16.1 | 20.6 | 16.7 | 12.2 | 9.9 | 13.1 | 17.7 | 26.4 | 17.9 | 9.7 | 13.5 | 11.4 | 18.9 | 15.8 | 15.4 | 24.2 | 26.8 | 16.4 |
| Mean temperature | 9.8 | 9.1 | 8.7 | 11.4 | 14.2 | 18.2 | 13.4 | 6 | 5 | 10.3 | 14.8 | 7.9 | 10.8 | 14.2 | 13.4 | 10.5 | 7.2 | 10.7 | 11.5 | 17.9 | 11.1 | 8.2 | 8.7 | 6.8 | 14.7 | 10.4 | 9.9 | 15 | 18.2 | 12.8 |
| Apparent mean temperature | 1.5 | 0.6 | -3.5 | 1.8 | 7 | 13.9 | 7.8 | -2.2 | -6.1 | -0.8 | 4.9 | 0.5 | -0.2 | 7.6 | 9.1 | 4 | 0.2 | 8.3 | 2.5 | 12.8 | 2.8 | 1.5 | 0.6 | -4.1 | 7.5 | 5.3 | -0.1 | 4.9 | 13.7 | 4 |
| Minimum temperature | 3.7 | 2.8 | -0.2 | 4.3 | 9.2 | 15.2 | 9.4 | 2.3 | -2.3 | 1.8 | 6.9 | 3.7 | 2.3 | 9.2 | 10.8 | 6.5 | 2.6 | 9.1 | 4.7 | 12.9 | 5.7 | 4.3 | 3.2 | -0.9 | 10.3 | 7.5 | 2.7 | 6.6 | 14.5 | 6.4 |
| Apparent min temperature | 8 | 7.1 | 6.5 | 9.4 | 12.6 | 17.6 | 12.9 | 2.3 | 1.1 | 8.1 | 13.6 | 5.9 | 8.4 | 12.6 | 13.4 | 8.2 | 4.9 | 10 | 10.7 | 18.3 | 9 | 5 | 6.2 | 3.7 | 12.1 | 9.3 | 8.1 | 14.2 | 18.4 | 11.7 |
| 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 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 13 | 13 | 13 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 |
| Sunshine duration (h) | 11.7 | 11.7 | 11.7 | 9.7 | 6.2 | 0.3 | 0.6 | 3.7 | 10.9 | 11.8 | 11.6 | 4.1 | 12 | 6.9 | 0.3 | 9 | 2.4 | 2.1 | 7.3 | 9.9 | 4.5 | 12.2 | 12.3 | 9.9 | 7.1 | 0 | 11.6 | 12.1 | 8.7 | 3.3 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0.2 | 0 | 20.8 | 14.8 | 2 | 0 | 0 | 7.1 | 0 | 0.3 | 9.4 | 5.1 | 2.8 | 9.8 | 0.2 | 0.1 | 0.2 | 0 | 0 | 0 | 9.3 | 18.8 | 0.8 | 0 | 22.2 | 4.1 |
| Precipitation hours | 0 | 0 | 0 | 0 | 2 | 0 | 18 | 18 | 4 | 0 | 0 | 8 | 0 | 2 | 17 | 19 | 5 | 12 | 2 | 1 | 1 | 0 | 0 | 0 | 13 | 24 | 4 | 0 | 8 | 6 |
| Wind speed (m/s) | 12.3 | 13.8 | 15 | 10.9 | 9.4 | 11.6 | 13.3 | 22.4 | 22.9 | 11 | 10 | 15.5 | 9.6 | 15.8 | 15.9 | 24.5 | 12.5 | 6.4 | 7.4 | 13 | 13.6 | 18.6 | 14.3 | 13.1 | 25.8 | 13.3 | 13.2 | 9.8 | 17.8 | 10.9 |
In April 2023, the highest daytime temperature in Uonuma was 25.6°C.
While the minimum temperature at night dropped to -2.3°C.
The average nighttime and daytime temperatures during April in Uonuma are 5.8°C and 17.9°C respectively.
The precipitation sum in April is about 128 mm.