The best times to visit Kiryu for ideal weather are

April 30th to July 8th


September 3rd to October 28th

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

Find a Place to Stay Here


Kiryu Travel Guide

  • Safety
  • The busiest and least popular months
  • Overall travel experience by time of year
  • Weather in Kiryu


    Average temperatures in Kiryu vary somewhat and are seasonally temperate. The area is in the top 68 percent of tourist destinations for pleasant weather. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Kiryu, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally mid-August where highs are regularly around 63.4°F (17.4°C) with temperatures rarely dropping below 51.8°F (11°C) at night.

    Kiryu Temperatures (Fahrenheit)


    Kiryu 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.

    Kiryu Perceived Temperature (F)


    Kiryu Perceived Temperature (C)



    Average Kiryu 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 43.1 35.6 26.5
    Feb 44.2 36.6 28.1
    Mar 51.9 43.4 34.4
    Apr 61.3 52.4 43
    May 70.4 61.8 53.1
    Jun 74.5 67.6 61.1
    Jul 81.6 75.1 69.3
    Aug 83.9 76.9 70.6
    Sep 76.3 69.4 62.9
    Oct 66.8 59.4 52.2
    Nov 57 49.1 41.2
    Dec 47.7 40.3 32.4

    Show Celsius

    Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
    Jan 6.2 2 -3.1
    Feb 6.8 2.6 -2.2
    Mar 11.1 6.3 1.3
    Apr 16.3 11.3 6.1
    May 21.3 16.6 11.7
    Jun 23.6 19.8 16.2
    Jul 27.6 23.9 20.7
    Aug 28.8 24.9 21.4
    Sep 24.6 20.8 17.2
    Oct 19.3 15.2 11.2
    Nov 13.9 9.5 5.1
    Dec 8.7 4.6 0.2


    Precipitation (Rain or Snow)

    If dry weather is what you’re after, the months with the lowest chance of precipitation in Kiryu are July, June, and then September. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are only 1.1 days of precipitation on average. By contrast, it’s most likely to rain or snow in early-to-mid-July with an average of 4.3 days with significant precipitation the week of July 9th.

    When can you find snow in Kiryu? 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 Kiryu.

    Days with precipitation

    Snow on the Ground

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

    Snow depth

    Average Rain and Snow by Month

    Show Inches

    Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
    Jan 20 1.4 0.06
    Feb 31.4 1.2 0.1
    Mar 34.3 0.6 0.13
    Apr 40 0 0.2
    May 38.6 0 0.23
    Jun 48.6 0 0.28
    Jul 50 0 0.23
    Aug 34.3 0 0.19
    Sep 40 0 0.33
    Oct 31.4 0 0.21
    Nov 25.7 0 0.13
    Dec 24.3 0 0.08

    Show Centimeters

    Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
    Jan 20 3.6 0.15
    Feb 31.4 3 0.25
    Mar 34.3 1.5 0.33
    Apr 40 0 0.51
    May 38.6 0 0.58
    Jun 48.6 0 0.71
    Jul 50 0 0.58
    Aug 34.3 0 0.48
    Sep 40 0 0.84
    Oct 31.4 0 0.53
    Nov 25.7 0 0.33
    Dec 24.3 0 0.2


    Humidity and Wind

    Kiryu has slightly low to average humidity compared to most tourist destinations. The least humid month is March (49.5% relative humidity), and the most humid month is July (74.3%).

    Wind in Kiryu is usually moderate. The windiest month is March, followed by April and May. March’s average wind speed of around 5.7 knots (6.6 MPH or 10.6 KPH) is considered “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-March 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 Kiryu.

    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.

    Month Avg. Wind Meaning (Beaufort) Avg. Maximum Sustained Wind Meaning (Beufort)
    Jan 4.5 a light breeze 8.2 a gentle breeze
    Feb 4.9 a light breeze 8.5 a gentle breeze
    Mar 5.7 a light breeze 9.8 a gentle breeze
    Apr 5.6 a light breeze 9.6 a gentle breeze
    May 5.4 a light breeze 9 a gentle breeze
    Jun 4.3 a light breeze 7.4 a gentle breeze
    Jul 4.4 a light breeze 7.6 a gentle breeze
    Aug 4.3 a light breeze 7.3 a gentle breeze
    Sep 4.2 a light breeze 7.2 a gentle breeze
    Oct 4.1 a light breeze 7 a gentle breeze
    Nov 4.2 a light breeze 7.3 a gentle breeze
    Dec 4.4 a light breeze 7.9 a gentle breeze

    Show Relative Humidity by Month

    Month Avg. Relative Humidity
    Jan 49.8
    Feb 53.3
    Mar 49.5
    Apr 52.9
    May 57.5
    Jun 72.1
    Jul 74.3
    Aug 72.4
    Sep 73.1
    Oct 68.4
    Nov 61.1
    Dec 57.2


    Is it Safe to Travel to Kiryu?

    As of 5/2/2017 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.

    Overall Kiryu Travel Experience by Season

    Spring (March through May)

    Humidity and temperatures combine to make this season feel moderately cold. Highs range from 54.1°F (12.3°C) and 33.3°F (0.7°C) with warmer temperatures in the later months. Rain is very common with 11 to 12 days of precipitation per month. Spring is slow/unreported 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 comfortable. These months see moderate precipitation with 11 to 16 days of precipitation per month. June – August is slow/unreported season for tourism in Kiryu, so lodging and other accommodations may cost as much as usual.

    Fall (September through November)

    Fall daily highs range from 58.6°F (14.8°C) and 37.9°F (3.3°C), which will feel comfortable given the humidity and wind. It rains or snows a great amount: 8 to 12 days per month. Tourism is slow/unreported during these months due to the weather, so hotels may be normally priced.

    Winter (December through February)

    Weather is far too cold this time of year in Kiryu to be enjoyable for warm weather travelers. The average high during this season is between 36.3°F (2.4°C) and 29.6°F (-1.3°C). On average, it rains or snows a noticeable amount: 6 to 9 times per month. These times of year are slow/unreported with tourists.


    Find Current Travel Deals