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.

Hokkaido September — red and gold autumn foliage in Daisetsuzan range

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
Hokkaido June — green rolling hills near Biei with lupin flowers

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
FactorSeptemberJune
Weather score
8
9
Value score
7
8
Crowd score
7
8
Events score
6
6
Atmosphere
9
9
Avg high temp22°C21°C
Monthly rain142mm56mm
Daily sunshine4.8hrs6.4hrs

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 →