Climate & Weather in Osaka

Good to Know

• April–May and October–November are the most comfortable times to visit, with moderate temperatures and less rainfall.
• June–July brings the Baiu (plum rain) season with the most rainfall of the year; pack rain gear if traveling then.
• August is the hottest and most humid month; expect temperatures around 35°C (95°F) with high risk of typhoons and frequent showers.
• Winter is mild and relatively dry (December–February), though occasional snow can occur in January–February; it rarely accumulates or lasts.
• Summer (June–August) sees frequent festivals and fireworks despite the heat; plan indoor activities to escape peak afternoon heat.
• High humidity persists year-round (59–70%), making layers important for comfort across all seasons.
• The city is protected by its location in the Seto Inland Sea, reducing typhoon intensity compared to other coastal Japanese cities.