Osaka month by month

Plan your visit to Osaka by month. Compare weather, crowds, events, and prices across all twelve months with historical climate data.

Osaka records 5 rain days in January and 15 in August, and that range shapes the full year. December through February holds at 5 to 7 rain days per month, with highs of 9°C to 12°C. March rises to 11 rain days and 14°C. By June, Osaka reaches 27°C and 14 rain days. July and August sit at the peak, both at 15 rain days with highs of 32°C and 33°C. The break comes in October, when rain drops to 10 days and the high falls to 24°C. November and December close the cycle at 7 and 6 rain days.

All 12 published month guides sit beneath this index. If your trip window falls in the dry stretch, start with January at 5 rain days or December at 6. For warm weather paired with lower rain, try October at 24°C and 10 rain days. The April and May pages are worth reading side by side. April averages 20°C and 10 rain days. May reaches 23°C but climbs to 13.

July and August carry the heaviest rain in Osaka's measured year. Both log 15 rain days, and August's average high of 33°C is the warmest reading across all 12 months.

August is Osaka's most decisive month, recording the year's highest average high of 33°C alongside 15 rain days.

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