Climate of Okayama, Okayama Prefecture, Japan
Point-value climate at Okayama (Okayama Prefecture, Japan). Population approximately 866,092.
Located in Okayama Prefecture, Japan, Okayama has a seasonal climate. Population approximately 866,092. Monthly average temperatures range from 4.3°C / 39.7°F in January to 27.7°C / 81.9°F in August, with rainfall varying from 32 mm / 1.3 in (December) to 225 mm / 8.9 in (June) — about 1446 mm / 56.9 in across the year. Okayama is the capital of Okayama Prefecture. These are point-value climate normals sampled at Okayama's coordinates — often quite different from the surrounding region's area-weighted average.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 4.3°C39.7°F | 42 mm1.7″ | — |
| February | 4.7°C40.5°F | 56 mm2.2″ | — |
| March | 7.9°C46.2°F | 89 mm3.5″ | — |
| April | 13.6°C56.5°F | 135 mm5.3″ | — |
| May | 18.4°C65.1°F | 143 mm5.6″ | — |
| June | 22.6°C72.7°F | 225 mm8.9″ | — |
| July | 26.8°C80.2°F | 210 mm8.3″ | — |
| August | 27.7°C81.9°F | 120 mm4.7″ | — |
| September | 23.5°C74.3°F | 219 mm8.6″ | — |
| October | 17.3°C63.1°F | 107 mm4.2″ | — |
| November | 11.6°C52.9°F | 68 mm2.7″ | — |
| December | 6.6°C43.9°F | 32 mm1.3″ | — |
Frequently asked questions
What is the best time to visit Okayama?
Okayama does not have a clearly "sunny" season by our profile cutoffs — see the "warmest and driest months" fallback for the closest picks. Okayama's warmest month is August at an average of 27.7°C / 81.9°F, and its driest month is December with about 32 mm / 1.3 in of rain.
What is the climate of Okayama?
Okayama, in Okayama Prefecture, Japan, has monthly average temperatures ranging from 4.3°C / 39.7°F in January to 27.7°C / 81.9°F in August. Annual rainfall is approximately 1446 mm / 56.9 in, with the wettest month being June (225 mm / 8.9 in) and the driest December (32 mm / 1.3 in).
What is the average temperature in Okayama in August?
The average temperature in Okayama in August is 27.7°C / 81.9°F, with rainfall of about 120 mm / 4.7 in — the warmest month of the year.
When is the driest month in Okayama?
The driest month in Okayama is December, with about 32 mm / 1.3 in of average monthly rainfall. Average temperature that month is 6.6°C / 43.9°F.
When is the wettest month in Okayama?
The wettest month in Okayama is June, with approximately 225 mm / 8.9 in of average monthly rainfall.