The best times to visit Kume Island for ideal weather are

November 5th 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.

 

 


Other Kume Island Travel Info

Weather in Kume Island

Temperature

Average temperatures in Kume Island 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 37th 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 Kume Island, 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 90.5°F (32.5°C) with temperatures rarely dropping below 80.8°F (27.1°C) at night.

Kume Island Temperatures (Fahrenheit)

Key
High
Average
Low

Kume Island 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.

Kume Island Perceived Temperature (F)

Key
High
Average
Low

Kume Island Perceived Temperature (C)

Key
High
Average
Low

 

Average Kume Island 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 66.4 62.1 56.8
Feb 68.6 64 58.6
Mar 71.2 66.3 60.7
Apr 74.9 69.9 64.5
May 80.2 75.2 70
Jun 86.2 81.3 77.2
Jul 90.1 84.7 80.3
Aug 89.4 84 79.2
Sep 87.8 82.3 77.4
Oct 82.2 77.5 73
Nov 76.5 72 67.4
Dec 69.5 65.1 59.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 19.1 16.7 13.8
Feb 20.3 17.8 14.8
Mar 21.8 19.1 15.9
Apr 23.8 21.1 18.1
May 26.8 24 21.1
Jun 30.1 27.4 25.1
Jul 32.3 29.3 26.8
Aug 31.9 28.9 26.2
Sep 31 27.9 25.2
Oct 27.9 25.3 22.8
Nov 24.7 22.2 19.7
Dec 20.8 18.4 15.4

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Kume Island are July, October, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early July. For example, on the week of July 2nd there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid August with an average of 3 days of significant precipitation the week of August 6th.

When can you find snow in Kume Island? 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.

Chance of Precipitation

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

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Kume Island (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 28% 0 5.2
Feb 34% 0 5.7
Mar 29% 0 7.3
Apr 33% 0 8
May 35% 0 11.8
Jun 34% 0 9.9
Jul 16% 0 5.4
Aug 31% 0 10.3
Sep 25% 0 6.9
Oct 21% 0 7.1
Nov 27% 0 6.2
Dec 29% 0 4.9

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 28 0 13.2
Feb 34 0 14.5
Mar 29 0 18.5
Apr 33 0 20.3
May 35 0 30
Jun 34 0 25.1
Jul 16 0 13.7
Aug 31 0 26.2
Sep 25 0 17.5
Oct 21 0 18
Nov 27 0 15.7
Dec 29 0 12.4

 

Humidity and Wind

Kume Island has some extremely humid months, with other comfortably humid months. The least humid month is December (58.8% relative humidity), and the most humid month is June (81.2%).

Wind in Kume Island is usually moderate. The windiest month is October, followed by March and December. October’s average wind speed of around 8.4 knots (9.7 MPH or 15.6 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 August where average top sustained speeds reach 15 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 Gentle breeze 12.8 Significant breeze
Feb 7.8 Gentle breeze 12.6 Significant breeze
Mar 8.2 Gentle breeze 13 Significant breeze
Apr 7.7 Gentle breeze 12.3 Significant breeze
May 6.7 Light breeze 11.1 Significant breeze
Jun 7.7 Gentle breeze 12.4 Significant breeze
Jul 7.8 Gentle breeze 12.1 Significant breeze
Aug 7.6 Gentle breeze 12.3 Significant breeze
Sep 7 Gentle breeze 11.4 Significant breeze
Oct 8.4 Gentle breeze 12.4 Significant breeze
Nov 8 Gentle breeze 12.5 Significant breeze
Dec 8.1 Gentle breeze 12.8 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 60.8%
Feb 66.1%
Mar 65.5%
Apr 69.1%
May 75.7%
Jun 81.2%
Jul 75.9%
Aug 77%
Sep 73.5%
Oct 68.8%
Nov 64.7%
Dec 58.8%

 

Is it Safe to Travel to Kume Island?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for Japan; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 14, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Kume Island, 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 Kume Island 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 extrapolated based on nearby areas. 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 Kume Island Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 83.1°F (28.4°C) and 68.2°F (20.1°C) with warmer temperatures in the later months. Rain is very common with 9 to 11 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 moderate precipitation with 5 to 10 days of precipitation per month. June – August is the second busiest season for tourism in Kume Island, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 88.4°F (31.3°C) and 73°F (22.8°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 7 to 8 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 Kume Island to be enjoyable for warm weather travelers. The average high during this season is between 71°F (21.7°C) and 65.5°F (18.6°C). On average, it rains or snows a fair amount: 9 to 10 times per month. These times of year are the slowest with tourists.

 

Best Times to Travel› Japan › Kume Island, Japan