Climate of Saga Prefecture, Japan
Area-weighted average across Saga Prefecture. For where people actually live and travel, see the cities below.
Saga Prefecture, a subdivision of Japan, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 4.7°C / 40.5°F in January to 26.5°C / 79.7°F in August, with rainfall from 64 mm / 2.5 in to 334 mm / 13.1 in depending on the season (1946 mm / 76.6 in total across the year).
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 4.7°C40.5°F | 71 mm2.8″ | — |
| February | 5.5°C41.9°F | 84 mm3.3″ | — |
| March | 8.6°C47.5°F | 122 mm4.8″ | — |
| April | 13.8°C56.8°F | 166 mm6.5″ | — |
| May | 18°C64.4°F | 176 mm6.9″ | — |
| June | 21.5°C70.7°F | 331 mm13″ | — |
| July | 25.5°C77.9°F | 334 mm13.1″ | — |
| August | 26.5°C79.7°F | 196 mm7.7″ | — |
| September | 22.8°C73°F | 221 mm8.7″ | — |
| October | 17.6°C63.7°F | 101 mm4″ | — |
| November | 12.2°C54°F | 80 mm3.1″ | — |
| December | 7°C44.6°F | 64 mm2.5″ | — |
Frequently asked questions
What is the best time to visit Saga Prefecture?
Saga Prefecture, Japan does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 26.5°C / 79.7°F, and the driest is December at 64 mm / 2.5 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Saga Prefecture?
Saga Prefecture, Japan has area-weighted monthly average temperatures ranging from 4.7°C / 40.5°F in January to 26.5°C / 79.7°F in August. Annual rainfall averages about 1946 mm / 76.6 in, with the wettest month being July (334 mm / 13.1 in) and the driest December (64 mm / 2.5 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Saga Prefecture?
The hottest month in Saga Prefecture is August, with an area-wide average temperature of 26.5°C / 79.7°F.
What is the coldest month in Saga Prefecture?
The coldest month in Saga Prefecture is January, with an area-wide average temperature of 4.7°C / 40.5°F.
When does it rain most in Saga Prefecture?
The wettest month in Saga Prefecture is July, averaging about 334 mm / 13.1 in of rainfall. The driest is December with about 64 mm / 2.5 in.