Okinawa is known as a tourist destination for its mild climate and beautiful beaches. Summer in Okinawa generally lasts from June to September, but let's take a closer look at specific periods, temperatures, and water temperatures.
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Experience the hot and long summer of Okinawa!
When is summer in Okinawa?

Full-blown summer in Okinawa is basically from June to September!
During the real summer period in Okinawa,June through SeptemberJune marks the beginning of summer, when temperatures and humidity begin to rise. At this time of year,Average temperatures range from 25 to 30 degrees Celsius.and it becomes hot during the day. The humidity is also high, so you may feel muggy and hot.
[speech_balloon_left2 user_image_url="https://okibra.com/wp-content/uploads/2023/04/sono.png" user_name ="Son-chan"]Since the end of the rainy season in late June, it feels like "finally, summer in Okinawa! I feel like it's finally summer in Okinawa. [/speech_balloon_left2]Peak summer months in Okinawa are July and August.

Summer in Okinawa peaks in July and August!
July and August are peak summer months in OkinawaThis is the time of year when it can be said that Tourists want to take off their clothes when they see the ocean. If you are a resident of the prefecture, you don't want to leave your air-conditioned room because of the heat (laughs).
Okinawa.In July and August, average temperatures exceed 30 degrees Celsius.It is often the case that the temperature can be as high as 35°C (90°F). Maximum temperatures can exceed 35°C (95°F), so appropriate sunscreen protection and UV protection such as long sleeves and hats are necessary. Nighttime temperatures are also high, and air conditioning is essential.
[speech_balloon_left2 user_image_url="https://okibra.com/wp-content/uploads/2023/04/sono.png" user_name ="Son-chan"]I wonder if the heat is one of the reasons why Okinawans are nocturnal. I think so. [/speech_balloon_left2]Okinawa is hot in May and October too

May and October are also hot in Okinawa.
Okinawa has a subtropical climate,May and October are also very hot.The following is a list of the most common problems with the
May is early summer in OkinawaThe weather is warming up and the weather is mild. At this time of year, temperatures begin to rise and mild weather prevails.Average temperature is about 23 to 26 degrees CelsiusIt is warm and comfortable, but also relatively humid.
October is early autumn in OkinawaThe weather is still hot at this time of the year. This time of year can still be very hot.Average temperature is about 24 to 28 degrees Celsiusand can feel hot during the day.
Summer in Okinawa lasts about six months.
Those in the interior may find April and November warm/hot as well!
May is early summer, June is summer, July and August are midsummer, September is summer, October is late summerIn May and October, it is sometimes cool and sometimes hot. Cab drivers say it's hot when the sun is out.
More to the point,April and November can also have warm/hot days!. Okibura's followers are also,It's already hot in April." "It's still summer in Okinawa in November."There are many who say that they are.
During the peak summer months of June through September, short sleeves will be fine. However, in April and May, and October and November, temperatures and the sensation of temperature change depending on the weather, etc., so it is recommended that you bring long sleeves just in case.
Seawater temperatures in Okinawa also reach nearly 30 degrees Celsius in midsummer.

Summer in Okinawa is hot! But that's good!
The sea water temperature in Okinawa also rises in the summer, making it comfortable to swim in. the sea water temperature in June starts at about 24 to 25 degrees Celsius and rises to about 26 to 28 degrees Celsius in July. in August, the highest sea water temperature is reached, sometimes reaching about 29 to 30 degrees Celsius. Because of the high water temperatures, swimming and snorkeling in the ocean are fun!
In September, temperatures start to drop a bit, but it is still summer. Hot days can continue. Average temperatures range from 25 to 30 degrees Celsius, and sea water temperatures are still in the comfortable range.
By the way, as an addendum,The opening of the sea in Okinawa takes place in late March, and bathing is possible until the end of October on average.It is. Especially in the case of Alaha Beach in Chatan, foreigners are swimming in the sea regardless of the season!
summary

Long hot summer in Okinawacovers the period from June to September. If you are from the interior (living in mainland Japan and not an Okinawan), the range is more extensive because of the change in the temperature of the body.You can think of it as April through October.It is.
Summer temperatures in Okinawa can rise to over 30 degrees Celsius and the humidity is high, so care must be taken to avoid heatstroke and sunstroke. However, the beautiful beaches and mild climate attract many people to Okinawa to enjoy the summer. Take appropriate precautions and enjoy your stay at the beaches and resorts to the fullest.
[speech_balloon_left1 user_image_url="https://okibracom.wpcomstaging.com/wp-content/uploads/2022/08/sono.png " user_name="Sonchan"]See a lot of beautiful sea and enjoy the extraordinary! [/speech_balloon_left1]Contributor Profile

- Okinawa travel media "OKIBRA" has been happily operated since 2020 by Kazunari, a computer geek, and Son-chan, an anime & food lover! They love Okinawa so much that they have visited more than 50 hotels and 500 restaurants in the prefecture, and they share the charms of Okinawa on Instagram and on the web. We will bring you the charms of Okinawa that you can't find anywhere else, from the unique perspective of a husband and wife team!
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