Climate and Weather of Osaka Prefecture, Japan

In Japan you have several regions, one of which is called Osaka Prefecture. The most popular city in this region is Osaka, whose climate data we'll examine to provide you with an overview of what weather to expect in Osaka Prefecture. 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 and 25°C.

The warmest weather in Osaka Prefecture arrives in August, when temperatures climb to 34°C. In contrast, January sees the mercury drop to daytime highs of 10°C.

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 of rain, while January is much drier with just 63 mm.

Visitors hoping to maximize their time in the sun should consider planning their trip for August, when daylight hours are at their peak.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Osaka Prefecture, Japan?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.