Iwaki Weather Averages
Climate averages for Iwaki based on 10 years of historical data.
Annual avg temp
12.8°C
Annual avg high
16.9°C
Annual avg low
9.2°C
Record high
34°C
Record low
-8°C
Annual rainfall
1832 mm
Rainy days
148
Sunshine
3.2h/day
Luftfuktighet
75%
Average Iwaki temperatures by month
Avg high
Avg low
Average rainfall in Iwaki by month
Rainfall (mm)
Sunshine hours in Iwaki by month
Sunshine (h/day)
Humidity in Iwaki by month
Average humidity
Month-by-month averages
| Month | Avg High | Avg Low | Rainfall | Sunshine |
|---|---|---|---|---|
| Vær i januar | 6°C | -1°C | 68 mm | 3.7h |
| Vær i februar | 7°C | -1°C | 55 mm | 3.8h |
| Vær i mars | 11°C | 2°C | 161 mm | 3.6h |
| Vær i april | 15°C | 7°C | 150 mm | 3.8h |
| Vær i mai | 20°C | 12°C | 167 mm | 4.3h |
| Vær i juni | 23°C | 15°C | 182 mm | 2.9h |
| Vær i juli | 27°C | 20°C | 231 mm | 2.0h |
| Vær i august | 28°C | 21°C | 236 mm | 1.8h |
| Vær i september | 24°C | 18°C | 244 mm | 2.2h |
| Vær i oktober | 19°C | 11°C | 184 mm | 3.6h |
| Vær i november | 14°C | 6°C | 99 mm | 3.7h |
| Vær i desember | 8°C | 1°C | 55 mm | 3.3h |