The best times to visit Okinawa for ideal weather are

October 29th to May 13th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

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Weather in Okinawa

Temperature

Average temperatures in Okinawa vary somewhat. Considering humidity, temperatures feel nice most of the year, excluding some hot weeks in the summer, with a chance of rain throughout most of the year. The area is less temperate than some — in the 38th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Okinawa, the hottest months are July, August, and then September. See average monthly temperatures below. The warmest time of year is generally early July where highs are regularly around 89.7°F (32.1°C) with temperatures rarely dropping below 79.4°F (26.3°C) at night.

Okinawa Temperatures (Fahrenheit)

Key
High
Average
Low

Okinawa Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Okinawa Perceived Temperature (F)

Key
High
Average
Low

Okinawa Perceived Temperature (C)

Key
High
Average
Low

 

Average Okinawa Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 66.7 60.3 52.2
Feb 69 62.5 54.5
Mar 71.4 65 56.6
Apr 74.7 68.6 60.7
May 79.6 74 67.5
Jun 85.5 80.7 76.3
Jul 89 83.9 78.9
Aug 88.7 83.3 77.9
Sep 87.4 81.4 75.2
Oct 82.5 76.1 69.1
Nov 76.5 70.1 62.8
Dec 69.8 62.9 54.4

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 19.3 15.7 11.2
Feb 20.6 16.9 12.5
Mar 21.9 18.3 13.7
Apr 23.7 20.3 15.9
May 26.4 23.3 19.7
Jun 29.7 27.1 24.6
Jul 31.7 28.8 26.1
Aug 31.5 28.5 25.5
Sep 30.8 27.4 24
Oct 28.1 24.5 20.6
Nov 24.7 21.2 17.1
Dec 21 17.2 12.4


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Okinawa are March, July, and then January. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late March. For example, on the week of March 26th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid May with an average of 3 days of significant precipitation the week of May 7th.

When can you find snow in Okinawa? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chanceof Precipitation

The graph below shows the % chance of rainy and snowy days in Okinawa.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Okinawa (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 24% 0 3.2
Feb 27% 0 3.9
Mar 23% 0 3.9
Apr 29% 0 5
May 37% 0 10.7
Jun 32% 0 8.6
Jul 23% 0 6.3
Aug 36% 0 10.3
Sep 28% 0 6.8
Oct 27% 0 6.9
Nov 30% 0 6
Dec 26% 0 5.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 24 0 8.1
Feb 27 0 9.9
Mar 23 0 9.9
Apr 29 0 12.7
May 37 0 27.2
Jun 32 0 21.8
Jul 23 0 16
Aug 36 0 26.2
Sep 28 0 17.3
Oct 27 0 17.5
Nov 30 0 15.2
Dec 26 0 13

 

Humidity and Wind

Okinawa has some extremely humid months, and above average humidity throughout the year. The least humid month is January (66.8% relative humidity), and the most humid month is June (86.7%).

Wind in Okinawa is usually moderate. The windiest month is June, followed by October and July. June’s average wind speed of around 10 knots (11.5 MPH or 18.4 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid July where average top sustained speeds reach 18.3 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Okinawa.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 8.7 Gentle breeze 14.8 Significant breeze
Feb 8.6 Gentle breeze 14.9 Significant breeze
Mar 9.1 Gentle breeze 15.7 Significant breeze
Apr 8.7 Gentle breeze 15.1 Significant breeze
May 8.3 Gentle breeze 14.9 Significant breeze
Jun 10 Gentle breeze 16.7 Significant breeze
Jul 9.9 Gentle breeze 16.2 Significant breeze
Aug 9.3 Gentle breeze 16.3 Significant breeze
Sep 8.7 Gentle breeze 15.4 Significant breeze
Oct 9.9 Gentle breeze 16.7 Significant breeze
Nov 8.8 Gentle breeze 15.1 Significant breeze
Dec 8.6 Gentle breeze 15 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 66.8%
Feb 72.1%
Mar 71.2%
Apr 74.9%
May 82.6%
Jun 86.7%
Jul 82.2%
Aug 82.7%
Sep 79.6%
Oct 76%
Nov 72.4%
Dec 67.3%

 

Is it Safe to Travel to Okinawa?

Our best data indicates this area is generally safe, except in a few regions. As of Jan 18, 2018 there are regional travel advisories for Japan; exercise normal security precautions and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories


 

The Busiest and Least Crowded Months

The busiest month for tourism in Okinawa, Japan is July, followed by April and November. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Okinawa in September. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 56.9 in September means 56.9% of the tourists vs. July.


Overall Okinawa Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 82°F (27.8°C) and 69°F (20.6°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 12 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 7 to 11 days of precipitation per month. June – August is the second busiest season for tourism in Okinawa, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 87.9°F (31.1°C) and 73.3°F (22.9°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 8 to 9 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is somewhat cool this time of year in Okinawa to be enjoyable for warm weather travelers. The average high during this season is between 71.5°F (21.9°C) and 66.1°F (18.9°C). On average, it rains or snows a fair amount: 7 to 8 times per month. These times of year are the slowest with tourists.

 

Best Times to TravelJapan › Okinawa, Japan

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