Iwaki Climate: Weather by Month and Best Time to Visit
Best months for Iwaki: August, July.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 7°C | 3°C | 72 mm | 8 | – | – | 5.7 |
| February | 7°C | 3°C | 69 mm | 9 | – | – | 5.5 |
| March | 10°C | 5°C | 124 mm | 12 | – | – | 5.3 |
| April | 14°C | 9°C | 134 mm | 12 | – | – | 5.9 |
| May | 17°C | 14°C | 146 mm | 13 | – | – | 6.3 |
| June | 20°C | 17°C | 148 mm | 15 | – | – | 6.5 |
| July | 23°C | 20°C | 172 mm | 15 | – | – | 6.7 |
| August | 25°C | 22°C | 126 mm | 12 | – | – | 7.3 |
| September | 23°C | 20°C | 197 mm | 14 | – | – | 6.6 |
| October | 19°C | 15°C | 219 mm | 13 | – | – | 6.2 |
| November | 15°C | 10°C | 110 mm | 10 | – | – | 6.4 |
| December | 10°C | 5°C | 72 mm | 9 | – | – | 6.0 |