The best times to visit Shiretoko Peninsula for ideal weather are

May 21st 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.



Other Shiretoko Peninsula Travel Info

Weather in Shiretoko Peninsula


Average temperatures in Shiretoko Peninsula vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is less temperate than some — in the 36th 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 Shiretoko Peninsula, the hottest months are August, September, and then July. See average monthly temperatures below. The warmest time of year is generally late August to early September where highs are regularly around 66.8°F (19.3°C) with temperatures rarely dropping below 59.3°F (15.2°C) at night.

Shiretoko Peninsula Temperatures (Fahrenheit)


Shiretoko Peninsula Temperatures (Celsius)


“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.

Shiretoko Peninsula Perceived Temperature (F)


Shiretoko Peninsula Perceived Temperature (C)



Average Shiretoko Peninsula 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 28.6 24.9 20.9
Feb 27.9 24 19.1
Mar 33.7 29.4 25
Apr 40.9 35.9 31.7
May 47 41.6 37.4
Jun 52.9 48.7 45
Jul 60.1 56 52.7
Aug 65.7 61.6 58.2
Sep 64.8 60.6 56.9
Oct 56.4 52.1 47.3
Nov 45.4 41.2 36.6
Dec 35.2 31.5 27.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -1.9 -3.9 -6.2
Feb -2.3 -4.4 -7.2
Mar 0.9 -1.4 -3.9
Apr 4.9 2.2 -0.2
May 8.3 5.3 3
Jun 11.6 9.3 7.2
Jul 15.6 13.3 11.5
Aug 18.7 16.4 14.6
Sep 18.2 15.9 13.8
Oct 13.6 11.2 8.5
Nov 7.4 5.1 2.6
Dec 1.8 -0.3 -2.7



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Shiretoko Peninsula are June, March, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid January. For example, on the week of January 8th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid December with an average of 2 days of significant precipitation the week of December 10th.

When can you find snow in Shiretoko Peninsula? Weather stations report large amounts of snow likely to be deepest around March, especially close to early March. The best time to ski (if at all) in Shiretoko Peninsula is often around around February 12th when fresh powder is deepest. 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 Shiretoko Peninsula.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 16% 5.9 2.8
Feb 14% 7.9 2
Mar 11% 9.2 1.5
Apr 12% 4 2.2
May 17% 0 2.7
Jun 11% 0 2.3
Jul 15% 0 3.8
Aug 17% 0 4.3
Sep 18% 0 5.1
Oct 18% 0.4 4.2
Nov 24% 1.5 3.7
Dec 19% 3.2 3.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 16 15 7.1
Feb 14 20.1 5.1
Mar 11 23.4 3.8
Apr 12 10.2 5.6
May 17 0 6.9
Jun 11 0 5.8
Jul 15 0 9.7
Aug 17 0 10.9
Sep 18 0 13
Oct 18 1 10.7
Nov 24 3.8 9.4
Dec 19 8.1 8.6


Humidity and Wind

Shiretoko Peninsula has some extremely humid months, and above average humidity throughout the year. The least humid month is December (63.4% relative humidity), and the most humid month is June (92.2%).

Wind in Shiretoko Peninsula is usually moderate. The windiest month is January, followed by December and February. January’s average wind speed of around 10.7 knots (12.3 MPH or 19.7 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 January where average top sustained speeds reach 17.9 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

Avg. Relative Humidity


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

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 10.7 Gentle breeze 16.2 Significant breeze
Feb 10.4 Gentle breeze 16.2 Significant breeze
Mar 9.2 Gentle breeze 15.1 Significant breeze
Apr 8.3 Gentle breeze 13.8 Significant breeze
May 7.9 Gentle breeze 13 Significant breeze
Jun 5.9 Light breeze 9.5 Gentle breeze
Jul 6 Light breeze 9.2 Significant breeze
Aug 5.9 Light breeze 9.4 Gentle breeze
Sep 8 Gentle breeze 12.7 Significant breeze
Oct 9.6 Gentle breeze 15.4 Significant breeze
Nov 10 Gentle breeze 16 Significant breeze
Dec 10.5 Gentle breeze 16.7 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 65.1%
Feb 67%
Mar 70.2%
Apr 74.2%
May 84.3%
Jun 92.2%
Jul 92.2%
Aug 89.7%
Sep 80.5%
Oct 68.1%
Nov 65.4%
Dec 63.4%


Is it Safe to Travel to Shiretoko Peninsula?

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 Shiretoko Peninsula, 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 Shiretoko Peninsula 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

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 Shiretoko Peninsula Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 48.6°F (9.2°C) and 29°F (-1.7°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 5 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 comfortably cool weather with high temperatures that are brisk. These months see moderate precipitation with 3 to 5 days of precipitation per month. June – August is fairly slow season for tourism in Shiretoko Peninsula, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 66.4°F (19.1°C) and 40.5°F (4.7°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 5 to 7 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 Shiretoko Peninsula to be enjoyable for warm weather travelers. The average high during this season is between 38.1°F (3.4°C) and 26.9°F (-2.8°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.


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