Best Time to Visit Iiyama: Month-by-Month Guide
Best months for Iiyama: May, September, June, July.
- Best months for Iiyama: May, September, June, July.
- Peak season is August, July, September. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Wettest months: January, July, December.
- The least pleasant month is January (score 2.3).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 1°C | -6°C | 148 mm | 23 | – | – | 2.3 |
| February | 2°C | -5°C | 123 mm | 18 | – | – | 2.8 |
| March | 6°C | -2°C | 135 mm | 17 | – | – | 3.7 |
| April | 13°C | 3°C | 114 mm | 15 | – | – | 5.6 |
| May | 20°C | 10°C | 133 mm | 15 | – | – | 6.5 |
| June | 23°C | 14°C | 182 mm | 19 | – | – | 6.1 |
| July | 26°C | 19°C | 240 mm | 22 | – | – | 6.1 |
| August | 28°C | 19°C | 170 mm | 20 | – | – | 6.1 |
| September | 23°C | 15°C | 184 mm | 17 | – | – | 6.3 |
| October | 17°C | 9°C | 159 mm | 15 | – | – | 5.9 |
| November | 11°C | 2°C | 115 mm | 16 | – | – | 4.9 |
| December | 4°C | -3°C | 139 mm | 21 | – | – | 2.9 |
Frequently asked questions
When is the best time to visit Iiyama?
The best months are May, September, June, July.
When is the rainy season in Iiyama?
The wettest months are January, July, December.