Okinawa, Okinawa Weather by Month and Climate Averages

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 18 days, to December 21, 2021.

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. The sun is out about 32% of daylight hours. 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. The sun is out about 34% of daylight hours. 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. The sun is out about 37% of daylight hours. 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. The sun is out about 39% of daylight hours. 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. The sun is out about 25% of daylight hours. 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. The sun is out about 18% of daylight hours. 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. The sun is out about 36% of daylight hours. 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. The sun is out about 43% of daylight hours. 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. The sun is out about 47% of daylight hours. 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. The sun is out about 50% of daylight hours. 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. The sun is out about 41% of daylight hours. 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. The sun is out about 27% of daylight hours. 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 sunshine about 50% of daylight hours. June is the cloudiest, at 18%. Over the year the sun shines about 36% of daylight hours. 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 68% of Japan.

Okinawa weather records

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 on record brought 412 mm of rain, on September 22, 1999.

49 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.

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?

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 sunshine about 50% of daylight hours. 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.