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.
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
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
| Factor | August | October |
|---|---|---|
| Weather score | 4 | 9 |
| Value score | 5 | 7 |
| Crowd score | 4 | 6 |
| Events score | 7 | 7 |
| Atmosphere | 7 | 8 |
| Avg high temp | 34°C | 22°C |
| Monthly rain | 102mm | 112mm |
| Daily sunshine | 7.1hrs | 6.3hrs |
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 →