The best times to visit Nagareyama for ideal weather are

September 17th to November 11th

or

April 23rd 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.

 


Nagareyama Travel Guide

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

    Temperature

    Average temperatures in Nagareyama vary somewhat and are seasonally temperate. The area is in the top 67 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 Nagareyama, 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 66.4°F (19.1°C) with temperatures rarely dropping below 55.7°F (13.2°C) at night.

    Nagareyama Temperatures (Fahrenheit)

    Key
    High
    Average
    Low

    Nagareyama 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.

    Nagareyama Perceived Temperature (F)

    Key
    High
    Average
    Low

    Nagareyama Perceived Temperature (C)

    Key
    High
    Average
    Low

     

    Average Nagareyama 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 48.5 38.9 29.9
    Feb 49.3 40.4 31.7
    Mar 56.1 46.9 37.7
    Apr 63.9 54.9 45.8
    May 72.8 64.2 56
    Jun 77.1 69.7 63.7
    Jul 84.3 76.9 71.2
    Aug 86.9 79.3 73.4
    Sep 80 72.7 66.5
    Oct 70.8 62.9 55.5
    Nov 61.1 52.5 44.2
    Dec 52.4 43.2 34.3

    Show Celsius

    Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
    Jan 9.2 3.8 -1.2
    Feb 9.6 4.7 -0.2
    Mar 13.4 8.3 3.2
    Apr 17.7 12.7 7.7
    May 22.7 17.9 13.3
    Jun 25.1 20.9 17.6
    Jul 29.1 24.9 21.8
    Aug 30.5 26.3 23
    Sep 26.7 22.6 19.2
    Oct 21.6 17.2 13.1
    Nov 16.2 11.4 6.8
    Dec 11.3 6.2 1.3

     

    Precipitation (Rain or Snow)

    If dry weather is what you’re after, the months with the lowest chance of precipitation in Nagareyama are June, July, and then April. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are only 0.2 days of precipitation on average. By contrast, it’s most likely to rain or snow in early July with an average of 2.3 days with significant precipitation the week of July 2nd.

    When can you find snow in Nagareyama? 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 Nagareyama.

    Key
    Days with precipitation

    Snow on the Ground

    The graph below shows the average snow on the ground in Nagareyama (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 8.6 0 0.03
    Feb 15.7 1 0.07
    Mar 17.1 0 0.06
    Apr 20 0 0.09
    May 18.6 0 0.1
    Jun 21.4 0 0.1
    Jul 21.4 0 0.09
    Aug 15.7 0 0.06
    Sep 18.6 0 0.12
    Oct 18.6 0 0.12
    Nov 17.1 0 0.06
    Dec 11.4 0 0.04

    Show Centimeters

    Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
    Jan 8.6 0 0.08
    Feb 15.7 2.5 0.18
    Mar 17.1 0 0.15
    Apr 20 0 0.23
    May 18.6 0 0.25
    Jun 21.4 0 0.25
    Jul 21.4 0 0.23
    Aug 15.7 0 0.15
    Sep 18.6 0 0.3
    Oct 18.6 0 0.3
    Nov 17.1 0 0.15
    Dec 11.4 0 0.1

     

    Humidity and Wind

    Nagareyama has slightly high to average humidity compared to most tourist destinations. The least humid month is January (45.5% relative humidity), and the most humid month is July (75.6%).

    Wind in Nagareyama is usually moderate. The windiest month is April, followed by May and March. April’s average wind speed of around 6.1 knots (7 MPH or 11.3 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 April where average top sustained speeds reach 12.6 knots, which is considered a moderate breeze.

    Relative Humidity (%)

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

    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.

    Month Avg. Wind Meaning (Beaufort) Avg. Maximum Sustained Wind Meaning (Beufort)
    Jan 4.1 a light breeze 8.6 a gentle breeze
    Feb 4.9 a light breeze 10 a gentle breeze
    Mar 5.7 a light breeze 11.4 a gentle breeze
    Apr 6.1 a light breeze 12.2 a moderate breeze
    May 5.8 a light breeze 11.3 a gentle breeze
    Jun 5.2 a light breeze 10 a gentle breeze
    Jul 5.5 a light breeze 10.3 a gentle breeze
    Aug 5.4 a light breeze 10 a gentle breeze
    Sep 5.2 a light breeze 10.2 a gentle breeze
    Oct 4.6 a light breeze 9.4 a gentle breeze
    Nov 3.7 light air 7.8 a gentle breeze
    Dec 3.8 light air 8.1 a gentle breeze

    Show Relative Humidity by Month

    Month Avg. Relative Humidity
    Jan 45.5
    Feb 50.2
    Mar 51.5
    Apr 58.9
    May 63.9
    Jun 74.6
    Jul 75.6
    Aug 73.9
    Sep 73.4
    Oct 69.7
    Nov 64.7
    Dec 54.2

     

    Is it Safe to Travel to Nagareyama?

    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 Nagareyama Travel Experience by Season

    Spring (March through May)

    Humidity and temperatures combine to make this season feel moderately cold. Highs range from 56.2°F (13.4°C) and 38°F (3.3°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 6 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 quite warm. These months see moderate precipitation with 5 to 7 days of precipitation per month. June – August is slow/unreported season for tourism in Nagareyama, so lodging and other accommodations may cost as much as usual.

    Fall (September through November)

    Fall daily highs range from 62.3°F (16.8°C) and 42.6°F (5.9°C), which will feel comfortable given the humidity and wind. It rains or snows a fair amount: 5 to 6 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 too cold this time of year in Nagareyama to be enjoyable for warm weather travelers. The average high during this season is between 41.6°F (5.3°C) and 35.5°F (1.9°C). On average, it rains or snows a normal amount: 3 to 4 times per month. These times of year are slow/unreported with tourists.