Climate of Ehime Prefecture, Japan
Area-weighted average across Ehime Prefecture. For where people actually live and travel, see the cities below.
Ehime Prefecture, a subdivision of Japan, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 3.3°C / 37.9°F in January to 25.2°C / 77.4°F in August, with rainfall from 60 mm / 2.4 in to 296 mm / 11.7 in depending on the season (1941 mm / 76.4 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 | 3.3°C37.9°F | 60 mm2.4″ | — |
| February | 3.8°C38.8°F | 84 mm3.3″ | — |
| March | 7.1°C44.8°F | 127 mm5″ | — |
| April | 12.6°C54.7°F | 188 mm7.4″ | — |
| May | 16.8°C62.2°F | 202 mm8″ | — |
| June | 20.4°C68.7°F | 296 mm11.7″ | — |
| July | 24.4°C75.9°F | 279 mm11″ | — |
| August | 25.2°C77.4°F | 167 mm6.6″ | — |
| September | 21.7°C71.1°F | 242 mm9.5″ | — |
| October | 16.2°C61.2°F | 148 mm5.8″ | — |
| November | 10.8°C51.4°F | 87 mm3.4″ | — |
| December | 5.7°C42.3°F | 61 mm2.4″ | — |
Frequently asked questions
What is the best time to visit Ehime Prefecture?
Ehime Prefecture, Japan does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 25.2°C / 77.4°F, and the driest is January at 60 mm / 2.4 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Ehime Prefecture?
Ehime Prefecture, Japan has area-weighted monthly average temperatures ranging from 3.3°C / 37.9°F in January to 25.2°C / 77.4°F in August. Annual rainfall averages about 1941 mm / 76.4 in, with the wettest month being June (296 mm / 11.7 in) and the driest January (60 mm / 2.4 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Ehime Prefecture?
The hottest month in Ehime Prefecture is August, with an area-wide average temperature of 25.2°C / 77.4°F.
What is the coldest month in Ehime Prefecture?
The coldest month in Ehime Prefecture is January, with an area-wide average temperature of 3.3°C / 37.9°F.
When does it rain most in Ehime Prefecture?
The wettest month in Ehime Prefecture is June, averaging about 296 mm / 11.7 in of rainfall. The driest is January with about 60 mm / 2.4 in.