When planning a visit to Osaka Prefecture in Japan, it helps to know that temperatures typically range from 10°C (50°F) in January up to 34°C (93°F) during the peak of August. Our detailed climate overview is based on data from Osaka, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Osaka Prefecture, the months of April, May and October bring pleasant weather, with average temperatures ranging between 20°C (68°F) and 25°C (77°F).
The peak of the heat usually falls in July, August and September.
When it comes to rainfall, Osaka Prefecture sees significant variations throughout the year. June tends to be the wettest, receiving 206 mm (8.1 in) of rain, while January is much drier with just 63 mm (2.5 in).
Visitors hoping to maximize their time in the sun should consider planning their trip for August, when daylight hours are at their peak.
