Climate of Okinawa Prefecture, Japan
Area-weighted average across Okinawa Prefecture. For where people actually live and travel, see the cities below.
Okinawa Prefecture, a subdivision of Japan, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 15.8°C / 60.4°F in January to 28.2°C / 82.8°F in July, with rainfall from 126 mm / 5 in to 275 mm / 10.8 in depending on the season (2264 mm / 89.1 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 | 15.8°C60.4°F | 136 mm5.4″ | — |
| February | 15.9°C60.6°F | 139 mm5.5″ | — |
| March | 17.9°C64.2°F | 168 mm6.6″ | — |
| April | 20.7°C69.3°F | 205 mm8.1″ | — |
| May | 23.3°C73.9°F | 257 mm10.1″ | Tropical |
| June | 26°C78.8°F | 275 mm10.8″ | Tropical |
| July | 28.2°C82.8°F | 187 mm7.4″ | Tropical |
| August | 28°C82.4°F | 229 mm9″ | Tropical |
| September | 26.8°C80.2°F | 197 mm7.8″ | Tropical |
| October | 24.3°C75.7°F | 181 mm7.1″ | Tropical |
| November | 21.1°C70°F | 164 mm6.5″ | — |
| December | 17.7°C63.9°F | 126 mm5″ | — |
Frequently asked questions
What is the best time to visit Okinawa Prefecture?
Okinawa Prefecture, Japan does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 28.2°C / 82.8°F, and the driest is December at 126 mm / 5 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Okinawa Prefecture?
Okinawa Prefecture, Japan has area-weighted monthly average temperatures ranging from 15.8°C / 60.4°F in January to 28.2°C / 82.8°F in July. Annual rainfall averages about 2264 mm / 89.1 in, with the wettest month being June (275 mm / 10.8 in) and the driest December (126 mm / 5 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Okinawa Prefecture?
The hottest month in Okinawa Prefecture is July, with an area-wide average temperature of 28.2°C / 82.8°F.
What is the coldest month in Okinawa Prefecture?
The coldest month in Okinawa Prefecture is January, with an area-wide average temperature of 15.8°C / 60.4°F.
When does it rain most in Okinawa Prefecture?
The wettest month in Okinawa Prefecture is June, averaging about 275 mm / 10.8 in of rainfall. The driest is December with about 126 mm / 5 in.