The best times to visit Yonezawa for ideal weather are

April 30th to July 1st

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

 

 


Other Yonezawa Travel Info

Weather in Yonezawa

Temperature

Average temperatures in Yonezawa 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 26th 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 Yonezawa, 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 90.4°F (32.4°C) with temperatures rarely dropping below 73.2°F (22.9°C) at night.

Yonezawa Temperatures (Fahrenheit)

Key
High
Average
Low

Yonezawa 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.

Yonezawa Perceived Temperature (F)

Key
High
Average
Low

Yonezawa Perceived Temperature (C)

Key
High
Average
Low

 

Average Yonezawa 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 42.2 35.1 28.1
Feb 44 36.1 28.2
Mar 52 42.4 33.1
Apr 62.8 52.4 41.8
May 74.3 63.3 52.9
Jun 80 70.2 61.6
Jul 85.3 76.5 69.4
Aug 87.9 78.6 71.5
Sep 80.3 71.4 63.8
Oct 69.7 60.6 51.9
Nov 57.9 49.2 40.6
Dec 47.1 39.8 32.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 5.7 1.7 -2.2
Feb 6.7 2.3 -2.1
Mar 11.1 5.8 0.6
Apr 17.1 11.3 5.4
May 23.5 17.4 11.6
Jun 26.7 21.2 16.4
Jul 29.6 24.7 20.8
Aug 31.1 25.9 21.9
Sep 26.8 21.9 17.7
Oct 20.9 15.9 11.1
Nov 14.4 9.6 4.8
Dec 8.4 4.3 0.3

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Yonezawa are January, November, 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 early February. For example, on the week of February 5th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early July with an average of 3 days of significant precipitation the week of July 2nd.

When can you find snow in Yonezawa? Weather stations report a good amount of seasonal snow likely to be deepest around February, especially close to mid February. The best time to ski (if at all) in Yonezawa 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 Yonezawa.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Yonezawa (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 13% 1.4 1.6
Feb 17% 6.3 2
Mar 18% 0.6 2.9
Apr 21% 0 3.7
May 20% 0 3.3
Jun 27% 0 4.8
Jul 34% 0 7.1
Aug 30% 0 4.9
Sep 23% 0 6.7
Oct 19% 0 5.2
Nov 16% 0.4 2.5
Dec 18% 1.2 2.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 13 3.6 4.1
Feb 17 16 5.1
Mar 18 1.5 7.4
Apr 21 0 9.4
May 20 0 8.4
Jun 27 0 12.2
Jul 34 0 18
Aug 30 0 12.4
Sep 23 0 17
Oct 19 0 13.2
Nov 16 1 6.4
Dec 18 3 6.4

 

Humidity and Wind

Yonezawa has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (46.9% relative humidity), and the most humid month is July (69.9%).

Wind in Yonezawa is usually calm. The windiest month is March, followed by April and May. March’s average wind speed of around 5.4 knots (6.2 MPH or 9.9 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 May where average top sustained speeds reach 12.5 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 5 Light breeze 10.7 Gentle breeze
Feb 5.1 Light breeze 11.1 Significant breeze
Mar 5.4 Light breeze 11.8 Gentle breeze
Apr 5.2 Light breeze 11.4 Significant breeze
May 5.2 Light breeze 11.3 Gentle breeze
Jun 4.2 Light breeze 9.1 Gentle breeze
Jul 3.8 Barely noticeable 8.5 Gentle breeze
Aug 3.8 Barely noticeable 8.3 Gentle breeze
Sep 3.9 Barely noticeable 8.6 Gentle breeze
Oct 3.9 Barely noticeable 8.9 Gentle breeze
Nov 4 Light breeze 9.2 Gentle breeze
Dec 4.5 Light breeze 10.2 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 55.9%
Feb 53.5%
Mar 48.8%
Apr 46.9%
May 49.6%
Jun 63.2%
Jul 69.9%
Aug 68.6%
Sep 67.8%
Oct 63.2%
Nov 62.1%
Dec 60.8%

 

Is it Safe to Travel to Yonezawa?

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 Yonezawa, 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 Yonezawa 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 Yonezawa Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 77.4°F (25.2°C) and 46.1°F (7.8°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 6 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 the most precipitation with 8 to 10 days of precipitation per month. June – August is fairly slow season for tourism in Yonezawa, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 84°F (28.9°C) and 53.1°F (11.7°C), which will feel comfortable 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 too cold this time of year in Yonezawa to be enjoyable for warm weather travelers. The average high during this season is between 50.5°F (10.3°C) and 41°F (5°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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