The best times to visit Yaeyama Islands for ideal weather are
November 19th to March 18th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Yaeyama Islands Travel Guide
Other Yaeyama Islands Travel Info
Weather in Yaeyama Islands
Average temperatures in Yaeyama Islands vary somewhat. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a very low chance of rain throughout the year. The area is somewhat temperate — in the 52nd 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 Yaeyama Islands, the hottest months are May, June, and then July. See average monthly temperatures below. The warmest time of year is generally late June where highs are regularly around 100°F (37.8°C) with temperatures rarely dropping below 90.7°F (32.6°C) at night.
Yaeyama Islands Temperatures (Fahrenheit)
Yaeyama Islands Temperatures (Celsius)
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.
Yaeyama Islands Perceived Temperature (F)
Yaeyama Islands Perceived Temperature (C)
Average Yaeyama Islands 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Yaeyama Islands are July, August, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid February. For example, on the week of February 19th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late January with an average of 1 days of significant precipitation the week of January 22nd.
When can you find snow in Yaeyama Islands? 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 Yaeyama Islands.
Snow on the Ground
The graph below shows the average snow on the ground in Yaeyama Islands (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Yaeyama Islands has some humid months, and slightly dry months in the opposite season. The least humid month is May (34.9% relative humidity), and the most humid month is August (69.6%).
Wind in Yaeyama Islands is usually calm. The windiest month is July, followed by August and June. July’s average wind speed of around 6.2 knots (7.2 MPH or 11.6 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early August where average top sustained speeds reach 10.5 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Yaeyama Islands.
The graph below shows wind speed (max and average) in knots.
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||5.1||Light breeze||8||Gentle breeze|
|Feb||5.4||Light breeze||8.9||Gentle breeze|
|Mar||5.3||Light breeze||8.8||Gentle breeze|
|Apr||5.1||Light breeze||8.8||Gentle breeze|
|May||5.2||Light breeze||8.9||Gentle breeze|
|Jun||5.6||Light breeze||9.1||Gentle breeze|
|Jul||6.2||Light breeze||9.6||Gentle breeze|
|Aug||6.1||Light breeze||9.6||Gentle breeze|
|Sep||4.8||Light breeze||8||Gentle breeze|
|Oct||4.6||Light breeze||7.6||Gentle breeze|
|Nov||4.3||Light breeze||7.1||Gentle breeze|
|Dec||4.7||Light breeze||7.3||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Yaeyama Islands?
Our best data indicates this area is generally safe, except in a few regions. As of Oct 07, 2019 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. This advisory was last updated on Oct 01, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Yaeyama Islands, Japan is March, followed by September and January. 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 Yaeyama Islands in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Yaeyama Islands Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very warm. Highs range from 100°F (37.8°C) and 79°F (26.1°C) with warmer temperatures in the later months. Rain is extremely rare with 0 to 1 days of significant precipitation per month. Spring is the second 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 hot weather with high temperatures that are quite warm. These months see the least precipitation with 0 to 1 days of precipitation per month. June – August is the slowest season for tourism in Yaeyama Islands, so lodging and other accommodations may cost less than usual.
Fall (September through November)
Fall daily highs range from 93.2°F (34°C) and 80.3°F (26.8°C), which will feel warmer than comfortable given the humidity and wind. It rains or snows a barely noticeable amount: 0 to 1 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 perfect this time of year in Yaeyama Islands to be enjoyable for warm weather travelers. The average high during this season is between 79.4°F (26.3°C) and 73.2°F (22.9°C). On average, it rains or snows a smalll amount: 0 to 3 times per month. These times of year are the busiest with tourists.