Osaka · Month comparison

August vs October

October ranks #1 overall vs August at #12. Osaka's second-best month — excellent weather, Osaka Marathon, and the city quietly settling into its best season.

Osaka August — Dotonbori River at night with the iconic neon signs reflecting in the summer water

August

#12 of 12 months

Worth considering

Peak summer heat and domestic school holidays — busy, hot, and energetic; Osaka at its most sweaty and alive.

  • Obon (mid-August) brings the city's most culturally charged week: ancestral memorial observances, Bon Odori street dancing in neighbourhood squares, and lantern-floating ceremonies at temples
  • Rain eases from July's tsuyu peak: 102mm is heavy by any normal standard but noticeably drier than June-July, and sunshine hours are at their summer best at 7.1 daily
Osaka October — Osaka Castle keep surrounded by autumn leaves turning gold and red

October

#1 of 12 months

Best match

Osaka's second-best month — excellent weather, Osaka Marathon, and the city quietly settling into its best season.

  • Near-ideal conditions: 22°C highs with low humidity and genuine sunshine — the most comfortable weather in Osaka's year outside of April, without April's cherry blossom crowds
  • Osaka Marathon (late October) brings a festive weekend to the city, with the race course passing Osaka Castle and Dotonbori; worth timing around even as a spectator
FactorAugustOctober
Weather score
4
9
Value score
5
7
Crowd score
4
6
Events score
7
7
Atmosphere
7
8
Avg high temp34°C22°C
Monthly rain102mm112mm
Daily sunshine7.1hrs6.3hrs

August trade-offs

  • The hottest month of the year at 34°C highs — genuine heat stress risk for those unacclimatised; schedule everything outdoor before 11am and after 5pm
  • Domestic school holidays push hotel prices to moderate-expensive and fill Universal Studios Japan, Kaiyukan Aquarium, and Osaka Castle to capacity
  • Obon week (August 13–16) means many small family-run restaurants and traditional shops close for the holiday period

October trade-offs

  • Autumn foliage is still arriving in October — the famous red maple season at nearby temples peaks in November; October visitors get good weather but not the full colour display
  • 112mm of rainfall means occasional wet days; October weather in Osaka can still produce a rainy week, though typhoon risk drops significantly from September
  • International visitor numbers are climbing again after the summer lull; Dotonbori and Kuromon Market are busier than June-September
Scores compare months within Osaka. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →