The best times to visit Shiraoi for ideal weather are

May 28th to October 7th

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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Other Shiraoi Travel Info

Weather in Shiraoi

Temperature

Average temperatures in Shiraoi vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 27th 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 Shiraoi, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 76.6°F (24.8°C) with temperatures rarely dropping below 66.3°F (19.1°C) at night.

Shiraoi Temperatures (Fahrenheit)

Key
High
Average
Low

Shiraoi 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.

Shiraoi Perceived Temperature (F)

Key
High
Average
Low

Shiraoi Perceived Temperature (C)

Key
High
Average
Low

 

Average Shiraoi 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

MonthAvg. High (°F)Avg. Mean (°F)Avg. Low (°F)
Jan32.625.315.7
Feb33.626.316
Mar39.932.924.5
Apr49.141.433.3
May5850.243.3
Jun63.957.953.1
Jul70.865.461
Aug75.269.664.4
Sep71.964.856.7
Oct6152.642.1
Nov48.84131.5
Dec37.830.822.2

Show Celsius

MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
Jan0.3-3.7-9.1
Feb0.9-3.2-8.9
Mar4.40.5-4.2
Apr9.55.20.7
May14.410.16.3
Jun17.714.411.7
Jul21.618.616.1
Aug2420.918
Sep22.218.213.7
Oct16.111.45.6
Nov9.35-0.3
Dec3.2-0.7-5.4


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Shiraoi are January, March, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid January. For example, on the week of January 15th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early September with an average of 3 days of significant precipitation the week of September 3rd.

When can you find snow in Shiraoi? 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 Shiraoi.

Key
Days with precipitation

Snow on the Ground

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

Key
Snow depth

Average Rain and Snow by Month

Show Inches

MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
Jan12%01.4
Feb20%01.6
Mar20%02.3
Apr23%03.7
May28%05.3
Jun20%04
Jul26%06.5
Aug27%07.1
Sep29%07.8
Oct25%04.8
Nov24%03.5
Dec20%02.7

Show Centimeters

MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
Jan1203.6
Feb2004.1
Mar2005.8
Apr2309.4
May28013.5
Jun20010.2
Jul26016.5
Aug27018
Sep29019.8
Oct25012.2
Nov2408.9
Dec2006.9

 

Humidity and Wind

Shiraoi has some extremely humid months, with other comfortably humid months. The least humid month is January (58.9% relative humidity), and the most humid month is July (85%).

Wind in Shiraoi is usually calm. The windiest month is October, followed by April and November. October’s average wind speed of around 6.7 knots (7.7 MPH or 12.4 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 to mid October where average top sustained speeds reach 13.9 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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.

MonthAvg. WindAvg. Wind FeelSustained High WindHigh Wind Feel
Jan6Light breeze11.7Significant breeze
Feb6.4Light breeze12.5Significant breeze
Mar6.5Light breeze12.6Significant breeze
Apr6.6Light breeze12.8Significant breeze
May6.3Light breeze11.8Significant breeze
Jun5Light breeze9.2Gentle breeze
Jul5.3Light breeze9.6Significant breeze
Aug5.4Light breeze9.8Gentle breeze
Sep6.2Light breeze11.5Significant breeze
Oct6.7Light breeze12.8Significant breeze
Nov6.5Light breeze12.8Significant breeze
Dec6.4Light breeze12.7Significant breeze

Show Relative Humidity by Month

MonthAvg. Relative Humidity
Jan58.9%
Feb60.7%
Mar62.8%
Apr65.6%
May72.6%
Jun83.8%
Jul85%
Aug82.8%
Sep74.4%
Oct66.9%
Nov63.2%
Dec60.3%

 

Is it Safe to Travel to Shiraoi?

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 Shiraoi, Japan is January, followed by March and April. 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 Shiraoi in December. 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 73.3 in December means 73.3% of the tourists vs. January.


Overall Shiraoi Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 60.3°F (15.7°C) and 35.5°F (1.9°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 9 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 comfortable. These months see moderate precipitation with 6 to 8 days of precipitation per month. June – August is fairly slow season for tourism in Shiraoi, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 74.5°F (23.6°C) and 43°F (6.1°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 7 to 9 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Shiraoi to be enjoyable for warm weather travelers. The average high during this season is between 40.5°F (4.7°C) and 30.9°F (-0.6°C). On average, it rains or snows a fair amount: 4 to 6 times per month. These times of year are the second busiest with tourists.

 

Best Times to TravelJapan › Shiraoi, Japan


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