Climate of Ōsaka Prefecture, Japan
Area-weighted average across Ōsaka Prefecture. For where people actually live and travel, see the cities below.
Ōsaka Prefecture, a subdivision of Japan, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 4.5°C / 40.1°F in January to 27.1°C / 80.8°F in August, with rainfall from 39 mm / 1.5 in to 225 mm / 8.9 in depending on the season (1441 mm / 56.7 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 4.5°C40.1°F | 47 mm1.9″ | — |
| February | 4.8°C40.6°F | 61 mm2.4″ | — |
| March | 7.8°C46°F | 101 mm4″ | — |
| April | 13.6°C56.5°F | 139 mm5.5″ | — |
| May | 18.1°C64.6°F | 149 mm5.9″ | — |
| June | 22°C71.6°F | 225 mm8.9″ | — |
| July | 26°C78.8°F | 173 mm6.8″ | — |
| August | 27.1°C80.8°F | 119 mm4.7″ | — |
| September | 23.1°C73.6°F | 195 mm7.7″ | — |
| October | 17.3°C63.1°F | 119 mm4.7″ | — |
| November | 11.9°C53.4°F | 74 mm2.9″ | — |
| December | 6.9°C44.4°F | 39 mm1.5″ | — |
Frequently asked questions
What is the best time to visit Ōsaka Prefecture?
Ōsaka Prefecture, Japan does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 27.1°C / 80.8°F, and the driest is December at 39 mm / 1.5 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Ōsaka Prefecture?
Ōsaka Prefecture, Japan has area-weighted monthly average temperatures ranging from 4.5°C / 40.1°F in January to 27.1°C / 80.8°F in August. Annual rainfall averages about 1441 mm / 56.7 in, with the wettest month being June (225 mm / 8.9 in) and the driest December (39 mm / 1.5 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Ōsaka Prefecture?
The hottest month in Ōsaka Prefecture is August, with an area-wide average temperature of 27.1°C / 80.8°F.
What is the coldest month in Ōsaka Prefecture?
The coldest month in Ōsaka Prefecture is January, with an area-wide average temperature of 4.5°C / 40.1°F.
When does it rain most in Ōsaka Prefecture?
The wettest month in Ōsaka Prefecture is June, averaging about 225 mm / 8.9 in of rainfall. The driest is December with about 39 mm / 1.5 in.