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Okinawa, Okinawa Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Okinawa, Okinawa?
Okinawa, Okinawa gets 2138 mm of precipitation a year over about 140 rainy days. July is the warmest month (average high 32°C) and January the coldest (average low 15°C).
Humid subtropical climate
Okinawa, Okinawa has hot summers and warm winters. Daytime highs range from about 20°C in January to 32°C in July. June is usually the wettest month. The most comfortable time to visit is typically January to April and November to December, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 16° | 21° |
| Spring | Mar–May | 19° | 24° |
| Summer | Jun–Aug | 26° | 31° |
| Autumn | Sep–Nov | 23° | 28° |
How much rain does Okinawa get?
Okinawa gets 2138 mm of precipitation in an average year, spread over about 140 days with measurable rain. That is more rainy days than 75% of Japan.
June is the wettest month, with 283 mm. January is the driest, with 100 mm. August has the most rainy days, about 14.
The longest dry spell in the last five years lasted 27 days, to August 2, 2026.
From October 2025 to September 2026 Okinawa got 1783 mm of rain, against a normal of 2138 mm for those months. September 2026 had the most, with 1217 mm.
Okinawa weather by month
Okinawa weather in January
In January, Okinawa averages a high of 20°C and a low of 15°C. It gets 100 mm of precipitation over about 12 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The January record high is 27°C (2020) and the record low is 6°C (2016). January is one of the most comfortable months to visit.
Okinawa weather in February
In February, Okinawa averages a high of 20°C and a low of 15°C. It gets 117 mm of precipitation over about 11 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The February record high is 27°C (2020) and the record low is 7°C (1987). February is one of the most comfortable months to visit.
Okinawa weather in March
In March, Okinawa averages a high of 22°C and a low of 17°C. It gets 143 mm of precipitation over about 13 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The March record high is 28°C (1999) and the record low is 8°C (1977). March is one of the most comfortable months to visit.
Okinawa weather in April
In April, Okinawa averages a high of 24°C and a low of 19°C. It gets 160 mm of precipitation over about 12 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The April record high is 30°C (2022) and the record low is 11°C (1974). April is one of the most comfortable months to visit.
Okinawa weather in May
In May, Okinawa averages a high of 27°C and a low of 22°C. It gets 243 mm of precipitation over about 13 rainy days. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. The May record high is 32°C (2004) and the record low is 10°C (2026).
Okinawa weather in June
In June, Okinawa averages a high of 30°C and a low of 25°C. It gets 283 mm of precipitation over about 12 rainy days. Estimated sunshine is 18% of daylight hours, derived from ERA5 cloud cover. The June record high is 34°C (2001) and the record low is 17°C (1978).
Okinawa weather in July
In July, Okinawa averages a high of 32°C and a low of 27°C. It gets 174 mm of precipitation over about 11 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The July record high is 35°C (2006) and the record low is 21°C (1982).
Okinawa weather in August
In August, Okinawa averages a high of 32°C and a low of 27°C. It gets 236 mm of precipitation over about 14 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The August record high is 36°C (2003) and the record low is 22°C (2000).
Okinawa weather in September
In September, Okinawa averages a high of 31°C and a low of 26°C. It gets 278 mm of precipitation over about 13 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The September record high is 34°C (2009) and the record low is 18°C (1972).
Okinawa weather in October
In October, Okinawa averages a high of 28°C and a low of 23°C. It gets 176 mm of precipitation over about 11 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The October record high is 33°C (2025) and the record low is 17°C (1980).
Okinawa weather in November
In November, Okinawa averages a high of 25°C and a low of 20°C. It gets 119 mm of precipitation over about 10 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The November record high is 31°C (1987) and the record low is 13°C (1995). November is one of the most comfortable months to visit.
Okinawa weather in December
In December, Okinawa averages a high of 22°C and a low of 17°C. It gets 108 mm of precipitation over about 11 rainy days. Estimated sunshine is 27% of daylight hours, derived from ERA5 cloud cover. The December record high is 29°C (2018) and the record low is 9°C (1973). December is one of the most comfortable months to visit.
Sunshine, humidity and wind in Okinawa
October is the sunniest month in Okinawa, with estimated sunshine of 50% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 18%. The annual cloud-cover estimate is 36% of daylight hours; it is not a measurement of sunshine duration. Okinawa is cloudier than 72% of Japan.
Humidity peaks in June at 89% and is lowest in January at 67%.
Okinawa has about 25 days a year above 32°C. Okinawa is hotter than 67% of Japan.
Okinawa weather records
These records cover NAHA during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Okinawa station is 36°C, on August 9, 2001. The coldest is 6°C, on January 25, 2016.
The wettest day in the available station history brought 696 mm of precipitation, on October 3, 2026.
50 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.4°C per decade since 1970.
The best time to visit Okinawa
The most comfortable time to visit is typically January to April and November to December, when daytime highs sit near 22°C.
Winter (December–February) is warm, with average highs around 21°C and lows near 15°C.
Spring (March–May) is warm, with average highs around 24°C and lows near 19°C.
Summer (June–August) is hot, with average highs around 31°C and lows near 26°C. It can feel humid.
Autumn (September–November) is hot, with average highs around 28°C and lows near 23°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 15° | 20° | 100 mm | 12 | 67% | 32% | 27° | 6° |
| February | 15° | 20° | 117 mm | 11 | 71% | 34% | 27° | 7° |
| March | 17° | 22° | 143 mm | 13 | 74% | 37% | 28° | 8° |
| April | 19° | 24° | 160 mm | 12 | 77% | 39% | 30° | 11° |
| May | 22° | 27° | 243 mm | 13 | 84% | 25% | 32° | 10° |
| June | 25° | 30° | 283 mm | 12 | 89% | 18% | 34° | 17° |
| July | 27° | 32° | 174 mm | 11 | 84% | 36% | 35° | 21° |
| August | 27° | 32° | 236 mm | 14 | 83% | 43% | 36° | 22° |
| September | 26° | 31° | 278 mm | 13 | 82% | 47% | 34° | 18° |
| October | 23° | 28° | 176 mm | 11 | 73% | 50% | 33° | 17° |
| November | 20° | 25° | 119 mm | 10 | 72% | 41% | 31° | 13° |
| December | 17° | 22° | 108 mm | 11 | 68% | 27% | 29° | 9° |
Station: NAHA, 19 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Okinawa climate questions
How much rain does Okinawa get?
Okinawa gets 2138 mm of precipitation in an average year, over about 140 rainy days.
What is the wettest month in Okinawa?
June is the wettest month in Okinawa, with 283 mm. January is the driest, with 100 mm.
How many rainy days does Okinawa have a year?
Okinawa has about 140 days with measurable rain in an average year. August has the most, about 14.
What is the hottest month in Okinawa?
July is the warmest month in Okinawa, with an average high of 32°C.
What is the coldest month in Okinawa?
January is the coldest month in Okinawa, with an average low of 15°C.
What is the record high temperature in Okinawa?
Within the available 1970–2026 station history, the record high at the Okinawa station is 36°C, set on August 9, 2001. The record low is 6°C, on January 25, 2016.
What is the sunniest month in Okinawa?
October is the sunniest month in Okinawa, with estimated sunshine of 50% of daylight hours from ERA5 cloud cover. June is the cloudiest.
What is the best time to visit Okinawa?
The most comfortable time to visit is typically January to April and November to December, when daytime highs sit near 22°C.