Why there are so few extremely hot days in Okinawa
On this page, Okinawa Why there are fewer extremely hot days in summer Focus on!
The number of days with extremely hot days and the average maximum summer temperature are based on data for 2023 and 2024. We will introduce information about the tropical climate of Okinawa.
Is Okinawa warm all year round? Is Okinawa not that hot? Let's take a look at some useful information for those of you with questions.
Okinawa's Climate
Okinawa (including remote islands) teeth, Hot and humid subtropical oceanic climate Belongs to.
The average annual temperature is approximately 23°C. It is warm all year round, with the minimum temperature rarely dropping below 10°C even in winter.
In recent years, data shows that The maximum temperature is over 20℃ for approximately 8 months. Of these, approximately three months are above 30°C.
Also, due to its proximity to the equator, Strong sunlight, long hours of sunlight, strong ultraviolet rays, etc. It has the following characteristics.
In addition to the high temperatures, Heavy precipitation This is also a key point about Okinawa's climate.
Especially during the year, Most of the rain falls during the rainy season from May to June and typhoon season from July to September. .
Why Okinawa has fewer days of extreme heat
As mentioned above, Okinawa teeth Subtropical ocean climate keeps it warm all year round This is its characteristic.
On the other hand, compared to other regions, Okinawa has few extremely hot days ",or" The temperature in Okinawa is lower than in other regions. " Data such as this has been released.
A very hot day is one where the maximum temperature is 35°C or higher. A meteorological term referring to a state in which
In recent years, the temperature has risen significantly in Kanto, Kansai, Hokkaido, and other areas. Extremely hot days are often recorded across the country. .
So then, Why are there so few extremely hot days in Okinawa? " The reasons given for this include:
- Sea breezes prevent heat buildup
- Less affected by the föhn phenomenon
- Less affected by the heat island effect
In the following, The above three reasons We will explain the following.
Sea breezes prevent heat buildup
The rise in temperature is also due to heat accumulation on land It is one of them.
Okinawa has a subtropical oceanic climate. Sea breezes prevent heat from accumulating on land It has certain characteristics.
Less affected by the föhn phenomenon
What is the Föhn phenomenon? The phenomenon in which the air coming down from the mountains becomes warmer than its original temperature is.
Okinawa does not have any high mountains. Föhn phenomenon is unlikely to occur Some of the reasons include:
Less affected by the heat island effect
What is the heat island phenomenon? The phenomenon in which the temperature rises as asphalt or concrete absorbs heat is.
Okinawa has a wide area of untouched nature, Less susceptible to the heat island effect It has properties.
Okinawa's highest temperatures and extremely hot days
Next, Okinawa Based on Naha city on the main island Maximum temperature data for the summer months (July to August) of 2023 and 2024 Let's take a look.
Temperature exceeds 35°C Coloring "extremely hot days" red It has been done.
Maximum temperatures in July and August 2023 and 2024
| July | 2023 | 2024 | August | 2023 | 2024 |
|---|---|---|---|---|---|
| July 1st | 32 | 33.2 | August 1st | 31.2 | 33.2 |
| July 2nd | 32.5 | 33.9 | August 2 | 27.4 | 33.3 |
| July 3 | 32.7 | 34.5 | August 3 | 28.7 | 32.8 |
| July 4th | 32 | 34.4 | August 4th | 28.7 | 33.4 |
| July 5 | 32.3 | 35 | August 5 | 27.5 | 33 |
| July 6 | 32.6 | 34.7 | August 6 | 27.2 | 33.3 |
| July 7 | 33.3 | 34.3 | August 7 | 28.6 | 33.6 |
| July 8 | 32.8 | 35 | August 8 | 30.1 | 34.3 |
| July 9 | 33.5 | 33.6 | August 9 | 31.1 | 33.5 |
| July 10 | 34.1 | 33.6 | August 10 | 32.1 | 33.4 |
| July 11 | 33.8 | 33.7 | August 11 | 31.3 | 33.2 |
| July 12 | 34.2 | 33.2 | August 12 | 32.1 | 32.9 |
| July 13th | 33.9 | 35.4 | August 13 | 32 | 32.7 |
| July 14th | 33.7 | 35 | August 14th | 32.7 | 32.7 |
| July 15 | 32.8 | 35.5 | August 15 | 32.8 | 33.2 |
| July 16 | 32.7 | 34.8 | August 16 | 31 | 32.6 |
| July 17 | 31.5 | 34.5 | August 17 | 31.1 | 34.1 |
| July 18 | 32.8 | 34.9 | August 18 | 32.6 | 33.4 |
| July 19th | 33.1 | 36 | August 19 | 32.9 | 31.4 |
| July 20 | 33 | 35.5 | August 20 | 33.5 | 32.9 |
| July 21 | 33.9 | 35.4 | August 21 | 32.5 | 32.9 |
| July 22nd | 33.9 | 34.2 | August 22 | 32 | 32.7 |
| July 23 | 34.3 | 32.3 | August 23 | 32.9 | 31.5 |
| July 24th | 33.2 | 32.5 | August 24 | 34 | 29.8 |
| July 25 | 32.9 | 30 | August 25 | 31.6 | 33 |
| July 26 | 31.3 | 29.7 | August 26 | 33 | 32.2 |
| July 27 | 29.6 | 32.4 | August 27 | 32.1 | 32.6 |
| July 28 | 32 | 32.7 | August 28 | 32.8 | 31.9 |
| July 29th | 32.3 | 33.2 | August 29 | 33.1 | 31.7 |
| July 30 | 32.6 | 32.9 | August 30 | 33.2 | 32.7 |
| July 31 | 30.9 | 33.4 | August 31 | 32.8 | 32.4 |
According to the above data, The hottest day in Naha, Okinawa was on August 8, 2024. is.
In 2023, there were no extremely hot days with temperatures exceeding 35°C from July to August. .
By the way, Tokyo will record a total of 19 extremely hot days in July and August of 2024 We are doing it.
In other words, from a temperature perspective, Summer in Tokyo is hotter than in Okinawa. It is safe to say that this data is accurate.
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Isn't Okinawa hot?
So far, surprisingly, Okinawa There are few extremely hot days with temperatures exceeding 35°C. " I think you understand now.
on the other hand" Even though the temperature is the same, Okinawa feels hotter. " is a phrase that is often heard.
Okinawa feels hot The factors are as follows: Examples include:
- Hot and humid subtropical maritime climate
- The sun is strong because it is close to the equator.
Okinawa has a subtropical oceanic climate. More humid than the mainland This is a trend.
Therefore, more than other regions It feels humid and muggy .
In addition, because it is closer to the equator than the mainland, Strong sunlight and UV rays This is also the reason why Okinawa feels hotter.
When planning a trip to Okinawa, be aware that strong sunlight can cause dizziness regardless of the temperature. Measures against heat stroke and sunburn are essential We can say that.
Okinawa activity experience tour popularity ranking
Finally, based on the latest booking data from Activity Japan, Okinawa Popular activity experience tour ranking "We would like to introduce you to "
The tropical sunshine pours down A variety of marine activity experience tours that allow you to fully enjoy Okinawa is ranked at the top.
Tour contents and fees (prices), Check out the reviews and testimonials Please use this to help you compare plans.
- 4.7
- (2350 reviews and experiences)
[Very popular] We also hold Blue Cave Snorkeling events for people aged 2 to 70! → https://activityjapan.com/publish/plan/18400 Another plan [All-you-can-play in the Blue Cave for one day] Equipment rental service is now open! → https://activityjapan.com/pu
- 4.9
- (576 reviews and experiences)
★★If you come to Miyakojima, you must visit "Yuni no Hama"★★ It's going viral on TikTok as the "best beach in heaven"!! If you come to Miyakojima, you must visit this place! The famous Yuni no Hama tour★ This performance is possible only because the captain and guide are from Miyakojima! It's a very popular photo spot for influencers and models, and a great place for music videos! Make wonderful memories in Miyakojima
- 4.8
- (919 reviews and experiences)
《100% encounter rate! Sea turtle snorkeling tour》・You can also see clownfish and tropical fish. ・We are extremely confident in your photos! They are sure to look great on social media♪ ・Of course, all data is free. No limit on the number of photos! ・Recommended for friends, couples, and families. ・Since it is a small group tour and is conducted on a shallow coast, it is safe for small children.
[Okinawa, Motobu, Sesoko Island] Super popular! Anyone can enjoy a 30-minute glass canoe tour!
- 4.9
- (22 reviews and experiences)
☆Free photo and video gifts☆彡☆Free for children under 3☆彡Let's take a leisurely sightseeing tour on an all-clear roofed glass canoe at Anchi Beach on Sesoko Island, which boasts one of the most beautiful oceans on the main island of Okinawa! While taking photos and chatting with each other, you can see the corals and fish up close at your feet.
- 4.5
- (287 reviews and experiences)
The popular course [Blue Cave Diving and Parasail] is now available as a set course!! Underwater photos and flight photos will be given to you for free on the spot!! *Free underwater photos will only be given to your iPhone. For Android, a microSD card is required. If you hand over your mobile phone or digital camera to the staff during the parasail, we will take photos for free.
- 4.6
- (122 reviews and experiences)
What a surprise!! This is a valuable course guided by a genuine islander who grew up on the island. It includes popular spots, a phantom island, and secret spots only known to islanders!! If you want to be satisfied, choose this course. Beginners, children and the elderly can participate. It's only natural that you will be satisfied as you will enjoy two spots, the popular lucky sea turtle search and the phantom island!! Sea turtle point
- 4.8
- (133 reviews and experiences)
[Okinawa's ocean that the world loves] The ocean of Okinawa is loved by people all over the world! This is a set plan that carefully selects the most popular activities! With the very popular "Blue Cave Boat Snorkeling", you can enjoy the beautiful ocean! You can also enjoy feeding the fish. With "Shisa Parasailing", you can fly high above the blue ocean of the tourist spot "Mid-Sea Road" in Uruma City.
- 4.9
- (752 reviews and experiences)
The summer of a 2-year-old or a 5-year-old is a once in a lifetime experience. This snorkeling plan is popular with families with small children as a great memory for a trip to Okinawa with family, couples, friends, etc. You may be worried about your small children, or it may be their first time in the ocean, or even if mom and dad can't swim, it's okay! The instructor will be happy to help you with your children and adults.
- 4.8
- (67 reviews and experiences)
We offer safe and fun snorkeling tours in the ocean of Miyakojima! All of our staff are PADI snorkel guides, and many of our guides have years of experience. Another feature of our company is that we have several guides who are natives of the island, including the captain who was born and raised on the island. We want our customers to fully enjoy Miyakojima.
- 4.9
- (2879 reviews and experiences)
☆ Coronavirus Prevention Store ☆ Okinawa Blue Cave Beach Experience Diving ★ Please take a look at the five-star high evaluation reviews ♪ The messages we received from many customers are our treasures! We are proud of it! ! The photos and videos taken underwater will be transferred to your smartphone immediately after the dive is over! It is said that the most advanced GOPRO images have already exceeded the capabilities of the human eye.
*The content of this article is current as of July 2025.
