Best Time to Visit Iwanuma: Month-by-Month Guide
Best months for Iwanuma: May, June, September, October.
- Best months for Iwanuma: May, June, September, October.
- Peak season is August, July, September. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Wettest months: July, August, June.
- The least pleasant month is January (score 4.8).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 4°C | -1°C | 60 mm | 9 | – | – | 4.8 |
| February | 5°C | -1°C | 49 mm | 9 | – | – | 5.0 |
| March | 8°C | 1°C | 88 mm | 11 | – | – | 5.4 |
| April | 14°C | 6°C | 101 mm | 11 | – | – | 6.3 |
| May | 18°C | 12°C | 110 mm | 12 | – | – | 6.8 |
| June | 21°C | 16°C | 141 mm | 15 | – | – | 6.7 |
| July | 25°C | 20°C | 193 mm | 19 | – | – | 6.1 |
| August | 27°C | 21°C | 175 mm | 17 | – | – | 6.4 |
| September | 23°C | 18°C | 183 mm | 14 | – | – | 6.7 |
| October | 18°C | 12°C | 154 mm | 11 | – | – | 6.7 |
| November | 13°C | 6°C | 65 mm | 8 | – | – | 6.5 |
| December | 7°C | 1°C | 52 mm | 9 | – | – | 5.4 |
Frequently asked questions
When is the best time to visit Iwanuma?
The best months are May, June, September, October.
When is the rainy season in Iwanuma?
The wettest months are July, August, June.