Hokkaido · Month comparison
September vs June
June ranks #1 overall vs September at #3. Mainland Japan in tsuyu, Hokkaido stays dry and 21°C — the season's best-kept secret.
September
#3 of 12 months
Best match
First autumn colour hits Daisetsuzan from 15 Sept — earliest koyo (foliage) in Japan.
- ↑Daisetsuzan autumn colours begin two weeks before Tokyo
- ↑Sapporo Autumn Fest (food market) for two weeks
June
#1 of 12 months
Best match
Mainland Japan in tsuyu, Hokkaido stays dry and 21°C — the season's best-kept secret.
- ↑No rainy season — while Tokyo is washed out, Sapporo is sunny
- ↑Yosakoi Soran Festival early June in Sapporo
| Factor | September | June |
|---|---|---|
| Weather score | 8 | 9 |
| Value score | 7 | 8 |
| Crowd score | 7 | 8 |
| Events score | 6 | 6 |
| Atmosphere | 9 | 9 |
| Avg high temp | 22°C | 21°C |
| Monthly rain | 142mm | 56mm |
| Daily sunshine | 4.8hrs | 6.4hrs |
September trade-offs
- ↓Typhoon tail-ends can hit south Hokkaido (Hakodate)
- ↓Mountain weather turns fast, snow possible at 2000m
June trade-offs
- ↓Sea still cold (12°C), no swimming
- ↓Brown bears active, some hiking trails restricted
Scores compare months within Hokkaido. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →