The best times to visit Tonosho for ideal weather are

April 9th to June 17th

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



Other Tonosho Travel Info

Weather in Tonosho


Average temperatures in Tonosho vary drastically. Considering humidity, temperatures feel nice some of the year, but often too hot in the summer and cold in the winter with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 28th 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 Tonosho, 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 92.7°F (33.7°C) with temperatures rarely dropping below 78.4°F (25.8°C) at night.

Tonosho Temperatures (Fahrenheit)


Tonosho 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.

Tonosho Perceived Temperature (F)


Tonosho Perceived Temperature (C)



Average Tonosho 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 48.9 42.1 34.4
Feb 50.7 43.6 35.3
Mar 57.5 49.1 39.7
Apr 67.1 58.1 48.3
May 77 67.6 58.1
Jun 81.7 74.4 67.7
Jul 89.1 81.7 75.3
Aug 91.5 83.7 77.1
Sep 84.5 76.8 69.6
Oct 74.3 66.7 58.6
Nov 63.2 56 47.9
Dec 53 46.3 38.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 9.4 5.6 1.3
Feb 10.4 6.4 1.8
Mar 14.2 9.5 4.3
Apr 19.5 14.5 9.1
May 25 19.8 14.5
Jun 27.6 23.6 19.8
Jul 31.7 27.6 24.1
Aug 33.1 28.7 25.1
Sep 29.2 24.9 20.9
Oct 23.5 19.3 14.8
Nov 17.3 13.3 8.8
Dec 11.7 7.9 3.7



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Tonosho are January, December, and then November. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early July with an average of 4 days of significant precipitation the week of July 2nd.

When can you find snow in Tonosho? 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 Tonosho.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 13% 0 1.7
Feb 21% 0 2.4
Mar 23% 0 3.3
Apr 21% 0 2.8
May 20% 0 3.9
Jun 26% 0 6
Jul 28% 0 5.8
Aug 20% 0 4.4
Sep 24% 0 6.5
Oct 22% 0 4.9
Nov 19% 0 2.6
Dec 18% 0 2.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 13 0 4.3
Feb 21 0 6.1
Mar 23 0 8.4
Apr 21 0 7.1
May 20 0 9.9
Jun 26 0 15.2
Jul 28 0 14.7
Aug 20 0 11.2
Sep 24 0 16.5
Oct 22 0 12.4
Nov 19 0 6.6
Dec 18 0 6.6


Humidity and Wind

Tonosho has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (49.1% relative humidity), and the most humid month is July (65.8%).

Wind in Tonosho is usually calm. The windiest month is December, followed by January and March. December’s average wind speed of around 5.6 knots (6.5 MPH or 10.4 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 late December where average top sustained speeds reach 11.3 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 5.5 Light breeze 10.5 Gentle breeze
Feb 5 Light breeze 9.6 Gentle breeze
Mar 5.1 Light breeze 10.3 Gentle breeze
Apr 5 Light breeze 10 Gentle breeze
May 4.7 Light breeze 9.4 Gentle breeze
Jun 4.3 Light breeze 8.5 Gentle breeze
Jul 4.4 Light breeze 8.7 Gentle breeze
Aug 4.5 Light breeze 8.9 Gentle breeze
Sep 4.2 Light breeze 8.2 Gentle breeze
Oct 4.2 Light breeze 8.2 Gentle breeze
Nov 4.4 Light breeze 8.8 Gentle breeze
Dec 5.6 Light breeze 10.5 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 50.2%
Feb 52%
Mar 49.6%
Apr 49.1%
May 50.3%
Jun 63.7%
Jul 65.8%
Aug 62.8%
Sep 62%
Oct 58.5%
Nov 58.5%
Dec 52.9%


Is it Safe to Travel to Tonosho?

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 Tonosho, Japan is February, followed by March and July. 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 Tonosho in October. 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 48 in October means 48% of the tourists vs. February.



Overall Tonosho Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 79.1°F (26.2°C) and 53.5°F (11.9°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 7 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.

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 6 to 9 days of precipitation per month. June – August is the busiest season for tourism in Tonosho, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 87.4°F (30.8°C) and 59.1°F (15.1°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 6 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 too cold this time of year in Tonosho to be enjoyable for warm weather travelers. The average high during this season is between 54.9°F (12.7°C) and 48.4°F (9.1°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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