Best Time to Visit Osaka, Ōsaka Prefecture, Japan
Month-by-month climate guide for planning a trip to Osaka.
Osaka does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (August, 28.4°C / 83.1°F) and driest (December, 45 mm / 1.8 in) months. The drier stretch runs through August and October–March; the wetter half falls in April–July and September. At the city itself, monthly average temperatures range from 5.6°C / 42.1°F in January to 28.4°C / 83.1°F in August, with rainfall from 45 mm / 1.8 in (December) to 215 mm / 8.5 in (June). These are point-value climate normals sampled at Osaka, Ōsaka Prefecture, Japan's coordinates — usually more actionable for travellers than the country-wide average. Osaka's climate is broadly seasonal. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| August | 28.4°C83.1°F | 103 mm4.1″ | — |
| December | 8°C46.4°F | 45 mm1.8″ | — |
| November | 12.9°C55.2°F | 74 mm2.9″ | — |
No month at Osaka matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Osaka?
Osaka doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on December (driest, ~45 mm / 1.8 in) and August (warmest, 28.4°C / 83.1°F). Because these are point values at the city, they can differ substantially from Japan's national average.
When is the rainy season in Osaka?
The rainy season at Osaka, Ōsaka Prefecture runs through April–July and September, when monthly rainfall exceeds the annual median of about 115 mm / 4.5 in. The wettest single month is June (215 mm / 8.5 in).
What is the driest month in Osaka?
The driest month in Osaka is December, averaging about 45 mm / 1.8 in of rainfall. Temperature that month averages 8°C / 46.4°F.
What months should I avoid visiting Osaka?
The least comfortable months for travel to Osaka — based on point-value climate at the city — are January, February, March, June, July, September, December. These are the wettest or coolest months at this location. Rainfall peaks at 215 mm / 8.5 in in June, and the coldest month averages 5.6°C / 42.1°F.
Is Osaka climate different from Japan overall?
Yes, usually. Our Osaka figures are point-value climate normals sampled at the city itself, while our Japan figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Osaka specifically — usually the more actionable data for a traveller planning to spend time in the city.