Measurements:
°C
°F
Okinawa
72°F
SW 9 mph
Feels like: 72°F
Precip: 0%
World Resorts Japan Okinawa Weather May Weather in Okinawa

Okinawa Weather: May

Average Day Temperature: 80.7°F
Average Night Temperature: 75.5°F
Sea Water Temperature: 78.6°F
Number of Sunny Days: 5 days
Sunshine Hours: 13.2 - 13.7 hours
Number of Rainy Days: 10 days
Precipitation Totals: 8.9 in

Air Temperature in May, °F

Select Year: 2025 2024 2023

The highest day temperature in May 2025 was 86°F. The lowest night temperature was 68°F. The average values for day and night temperatures during May were 78.7°F и 75.4°F respectivly.

Okinawa Water Sea Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Okinawa was 79.1°F. The maximum and minimum values were 73.8°F and 83.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are gloomy but you can also expect sunny days.

Precipitation Totals in May, in

Precipitation total in May for Okinawa is 8.9 in. It makes may one of the most rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 11.0 mph. It makes May the most windless month of the year for Okinawa.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Okinawa in May is 5.8 hours.

Best Time to Visit Okinawa
The most sunny months:
August 9 days
July 8 days
September 7 days
The most warm months:
August 91.1 °F
July 90.8 °F
September 89.3 °F
Warmest sea temperature:
August 88.4 °F
September 87.6 °F
July 87.4 °F
The most cold months:
January 66.2 °F
February 67.4 °F
December 70.0 °F
The most rainy months:
June 13 days
May 10 days
August 10 days
The most windy months:
December 16 mph
January 14 mph
October 14 mph

Okinawa on the Weather Map

Japan Resorts:
NAME
Atami +52
Fukuoka +52
Hakone +50
Hiroshima +48
Kamakura +50
Kobe +48
Kyoto +50
Nagasaki +52
Nagoya +48
Nara +50
Okinawa +72
Osaka +50
Sapporo +38
Tokyo +48
Yokohama +50
24 Hours Weather Forecast
Okinawa
Local time: 13:03
06 dec, saturday
1500 72°F
SW
9 mph
1800 68°F
SW
10 mph
2100 68°F
SW
11 mph
07 dec, sunday
0000 68°F
SW
11 mph
0300 68°F
SW
12 mph
0600 66°F
SW
12 mph
0900 70°F
SW
13 mph
1200 74°F
SW
14 mph