Best Time to Visit Iwamizawa: Month-by-Month Guide
Best months for Iwamizawa: June, July, August, September.
- Best months for Iwamizawa: June, July, August, September.
- Peak season is August, July, September. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: June. Good weather without the busiest period.
- Wettest months: November, December, October.
- The least pleasant month is December (score 3.0).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -2°C | -10°C | 49 mm | 13 | – | – | 3.4 |
| February | -2°C | -9°C | 43 mm | 10 | – | – | 3.7 |
| March | 3°C | -4°C | 56 mm | 12 | – | – | 4.1 |
| April | 11°C | 2°C | 68 mm | 12 | – | – | 5.7 |
| May | 17°C | 8°C | 84 mm | 12 | – | – | 6.5 |
| June | 20°C | 13°C | 64 mm | 10 | – | – | 7.4 |
| July | 24°C | 17°C | 114 mm | 12 | – | – | 7.3 |
| August | 25°C | 18°C | 160 mm | 13 | – | – | 7.0 |
| September | 21°C | 13°C | 127 mm | 13 | – | – | 7.0 |
| October | 15°C | 7°C | 91 mm | 14 | – | – | 6.1 |
| November | 7°C | 0°C | 86 mm | 16 | – | – | 4.4 |
| December | 0°C | -7°C | 69 mm | 16 | – | – | 3.0 |
Frequently asked questions
When is the best time to visit Iwamizawa?
The best months are June, July, August, September.
When is the rainy season in Iwamizawa?
The wettest months are November, December, October.