Average temperature in April is 13.3 °C
Average daytime temperature is 18.3 °C
Average night temperature is 9.1 °C
Absolute maximum temperature: 25.1 °C
Absolute minimum temperature: 3.6 °C
Number of sunny days: 18
Number of rainy days: 12
Number of snow days:
Precipitation sum: 103 mm
* Weather data for Iwaki 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 | 12 | 13.2 | 16.2 | 20.6 | 20.2 | 21.2 | 14.8 | 14 | 17.1 | 21.4 | 23.9 | 18.1 | 20.7 | 15.8 | 21 | 14.8 | 16.3 | 22.1 | 21.5 | 25.1 | 16.4 | 16.8 | 15.7 | 15.2 | 17 | 19.6 | 21.2 | 20.7 | 20.1 |
| Apparent max temperature | 15.8 | 8.7 | 10 | 15.3 | 19.3 | 18 | 18.6 | 14 | 9.4 | 16.1 | 20.7 | 22.9 | 16.5 | 20.1 | 14.7 | 18 | 11.4 | 15.8 | 20.5 | 22.8 | 28.2 | 12.2 | 15.5 | 12.2 | 13.6 | 17.5 | 17.8 | 21.8 | 20 | 21.6 |
| Mean temperature | 11.6 | 9 | 8 | 11 | 15.8 | 17.4 | 16.2 | 9.2 | 8.5 | 11.5 | 16.9 | 13.1 | 13.3 | 15.9 | 13.8 | 14 | 10.4 | 12.5 | 14.8 | 17.1 | 16.4 | 10.8 | 10.9 | 10.2 | 13.8 | 13 | 13.7 | 16.4 | 17.9 | 16.3 |
| Apparent mean temperature | 4 | 3.2 | 0.5 | 3.8 | 11.3 | 14.8 | 9.1 | -1.4 | -0.1 | 1.6 | 12.2 | 3.7 | 7 | 10.4 | 12.5 | 5.7 | 3 | 9.2 | 5.4 | 12.4 | 3.4 | 0.8 | 1.5 | 1.9 | 9.1 | 5.8 | 6.7 | 11.4 | 14.9 | 10.2 |
| Minimum temperature | 7.2 | 6.2 | 3.8 | 6.8 | 12.8 | 15.8 | 11.7 | 4.3 | 3.6 | 4.6 | 14.2 | 6.4 | 8.7 | 12.3 | 12.7 | 9.6 | 5.8 | 10.5 | 7.4 | 13.4 | 8.4 | 6.6 | 6.1 | 4.8 | 11.8 | 9 | 8.8 | 12.2 | 16 | 12.9 |
| Apparent min temperature | 9.1 | 5.9 | 4.8 | 9.2 | 14.1 | 15.9 | 14.4 | 5.3 | 4.4 | 9.4 | 15.6 | 10.3 | 11.1 | 14.8 | 13.5 | 10.1 | 6.9 | 11.3 | 13.3 | 17.5 | 14.5 | 5.3 | 7.5 | 6.3 | 11.5 | 10.3 | 12 | 16 | 17 | 14.6 |
| 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 | 12.9 | 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 | 13.5 | 13.6 | 13.6 | 13.6 | 13.7 |
| Sunshine duration (h) | 10.5 | 6.4 | 11.6 | 11.6 | 8.8 | 7.3 | 2.4 | 2.7 | 11.9 | 11.9 | 11.3 | 8.3 | 11.9 | 8 | 0.6 | 8.1 | 12.1 | 6.4 | 12.4 | 12.5 | 11.7 | 12.5 | 12.6 | 11.5 | 8 | 2.8 | 12.7 | 12.7 | 9.6 | 1.1 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 27.5 | 1.3 | 0 | 0 | 0 | 4.6 | 0 | 0.1 | 21 | 1 | 0 | 2.3 | 0 | 0 | 0.4 | 0 | 0 | 0 | 6.8 | 23.5 | 0 | 0 | 4.8 | 9.5 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 7 | 0 | 0 | 0 | 6 | 0 | 1 | 20 | 1 | 0 | 7 | 0 | 0 | 3 | 0 | 0 | 0 | 8 | 12 | 0 | 0 | 7 | 5 |
| Wind speed (m/s) | 16.9 | 18.9 | 18.7 | 9.4 | 18.1 | 23.2 | 26.3 | 24.9 | 28.3 | 17.3 | 16.5 | 23.5 | 17.3 | 20.2 | 19.7 | 27.9 | 24.9 | 18 | 22.2 | 13.1 | 20.2 | 28.5 | 23.7 | 17.5 | 20.7 | 34.7 | 20.4 | 18.3 | 24.5 | 23.7 |
In April 2023, the highest daytime temperature in Iwaki was 25.1°C.
While the minimum temperature at night dropped to 3.6°C.
The average nighttime and daytime temperatures during April in Iwaki are 9.1°C and 18.3°C respectively.
The precipitation sum in April is about 103 mm.