The best times to visit Nagareyama for ideal weather are

April 9th to June 24th

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

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Weather in Nagareyama

Temperature

Average temperatures in Nagareyama vary drastically. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 30th 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 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 91.2°F (32.9°C) with temperatures rarely dropping below 78.4°F (25.8°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)

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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 49.8 43 36
Feb 50.6 43.8 36.7
Mar 57.4 50.1 42.3
Apr 65.6 58.2 50.2
May 74.8 67.3 60.2
Jun 79.2 72.7 66.8
Jul 86.5 80 74.3
Aug 89.3 82.4 76.8
Sep 82.3 75.9 70
Oct 72.7 66.4 60.2
Nov 62.9 56.4 49.8
Dec 54.2 47.3 40.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 9.9 6.1 2.2
Feb 10.3 6.6 2.6
Mar 14.1 10.1 5.7
Apr 18.7 14.6 10.1
May 23.8 19.6 15.7
Jun 26.2 22.6 19.3
Jul 30.3 26.7 23.5
Aug 31.8 28 24.9
Sep 27.9 24.4 21.1
Oct 22.6 19.1 15.7
Nov 17.2 13.6 9.9
Dec 12.3 8.5 4.6


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Nagareyama 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 3 days of significant precipitation the week of July 2nd.

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

Chanceof 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 12% 0.4 2.1
Feb 23% 1.7 4
Mar 25% 0 4.1
Apr 28% 0 6.4
May 27% 0 6.5
Jun 34% 0 7.3
Jul 29% 0 4.5
Aug 20% 0 5.3
Sep 31% 0 10.4
Oct 29% 0 8.7
Nov 20% 0 4
Dec 16% 0 3.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 12 1 5.3
Feb 23 4.3 10.2
Mar 25 0 10.4
Apr 28 0 16.3
May 27 0 16.5
Jun 34 0 18.5
Jul 29 0 11.4
Aug 20 0 13.5
Sep 31 0 26.4
Oct 29 0 22.1
Nov 20 0 10.2
Dec 16 0 8.1

 

Humidity and Wind

Nagareyama has some humid months, and slightly dry months in the opposite season. The least humid month is January (32.2% relative humidity), and the most humid month is July (66.6%).

Wind in Nagareyama is usually calm. The windiest month is April, followed by March and May. April’s average wind speed of around 6.6 knots (7.6 MPH or 12.3 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 March 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 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. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 5.7 Light breeze 10.2 Gentle breeze
Feb 6.1 Light breeze 10.8 Gentle breeze
Mar 6.5 Light breeze 11.7 Gentle breeze
Apr 6.6 Light breeze 11.9 Significant breeze
May 6.3 Light breeze 11.1 Gentle breeze
Jun 5.4 Light breeze 9.8 Gentle breeze
Jul 6 Light breeze 10.4 Gentle breeze
Aug 5.8 Light breeze 10 Gentle breeze
Sep 5.7 Light breeze 9.9 Gentle breeze
Oct 5.4 Light breeze 9.4 Gentle breeze
Nov 4.7 Light breeze 8.6 Gentle breeze
Dec 5.1 Light breeze 9.3 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 32.2%
Feb 38.6%
Mar 41.1%
Apr 48.4%
May 53%
Jun 64.5%
Jul 66.6%
Aug 64.4%
Sep 62.5%
Oct 57.3%
Nov 50.3%
Dec 40.3%

 

Is it Safe to Travel to Nagareyama?

Our best data indicates this area is generally safe, except in a few regions. As of Jan 18, 2018 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


 

The Busiest and Least Crowded Months

The busiest month for tourism in Nagareyama, 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 Nagareyama 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 slightly 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 Nagareyama Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 77.3°F (25.2°C) and 52.4°F (11.3°C) with warmer temperatures in the later months. Rain is somewhat common with roughly 8 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 quite warm. These months see the most precipitation with 6 to 10 days of precipitation per month. June – August is fairly slow season for tourism in Nagareyama, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 85.7°F (29.8°C) and 58.1°F (14.5°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 6 to 9 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 Nagareyama to be enjoyable for warm weather travelers. The average high during this season is between 57°F (13.9°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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