Climate of Ibaraki Prefecture, Japan
Area-weighted average across Ibaraki Prefecture. For where people actually live and travel, see the cities below.
Ibaraki Prefecture, a subdivision of Japan, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 2.7°C / 36.9°F in January to 24.7°C / 76.5°F in August, with rainfall from 37 mm / 1.5 in to 187 mm / 7.4 in depending on the season (1371 mm / 54 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 | 2.7°C36.9°F | 37 mm1.5″ | — |
| February | 3.2°C37.8°F | 58 mm2.3″ | — |
| March | 6.1°C43°F | 92 mm3.6″ | — |
| April | 11.8°C53.2°F | 116 mm4.6″ | — |
| May | 16.2°C61.2°F | 128 mm5″ | — |
| June | 19.4°C66.9°F | 167 mm6.6″ | — |
| July | 23°C73.4°F | 147 mm5.8″ | — |
| August | 24.7°C76.5°F | 143 mm5.6″ | — |
| September | 21.3°C70.3°F | 187 mm7.4″ | — |
| October | 15.7°C60.3°F | 170 mm6.7″ | — |
| November | 10.2°C50.4°F | 81 mm3.2″ | — |
| December | 5.1°C41.2°F | 45 mm1.8″ | — |
Frequently asked questions
What is the best time to visit Ibaraki Prefecture?
Ibaraki Prefecture, Japan does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 24.7°C / 76.5°F, and the driest is January at 37 mm / 1.5 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Ibaraki Prefecture?
Ibaraki Prefecture, Japan has area-weighted monthly average temperatures ranging from 2.7°C / 36.9°F in January to 24.7°C / 76.5°F in August. Annual rainfall averages about 1371 mm / 54 in, with the wettest month being September (187 mm / 7.4 in) and the driest January (37 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 Ibaraki Prefecture?
The hottest month in Ibaraki Prefecture is August, with an area-wide average temperature of 24.7°C / 76.5°F.
What is the coldest month in Ibaraki Prefecture?
The coldest month in Ibaraki Prefecture is January, with an area-wide average temperature of 2.7°C / 36.9°F.
When does it rain most in Ibaraki Prefecture?
The wettest month in Ibaraki Prefecture is September, averaging about 187 mm / 7.4 in of rainfall. The driest is January with about 37 mm / 1.5 in.