The best times to visit Nagaoka 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 Nagaoka Travel Info

Weather in Nagaoka

Temperature

Average temperatures in Nagaoka 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 21st 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 Nagaoka, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 88.4°F (31.3°C) with temperatures rarely dropping below 75.4°F (24.1°C) at night.

Nagaoka Temperatures (Fahrenheit)

Key
High
Average
Low

Nagaoka 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.

Nagaoka Perceived Temperature (F)

Key
High
Average
Low

Nagaoka Perceived Temperature (C)

Key
High
Average
Low

 

Average Nagaoka 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 41.9 37 32
Feb 42.8 37.4 31.4
Mar 49.6 42.9 35.6
Apr 59.7 52 43.5
May 70.4 62.4 54.7
Jun 77.4 70.4 64.3
Jul 83.5 77.2 71.6
Aug 86.7 80 74
Sep 80.3 73.3 66.6
Oct 69.5 62.4 54.9
Nov 57.8 51.4 44.4
Dec 47 41.7 36

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 5.5 2.8 0
Feb 6 3 -0.3
Mar 9.8 6.1 2
Apr 15.4 11.1 6.4
May 21.3 16.9 12.6
Jun 25.2 21.3 17.9
Jul 28.6 25.1 22
Aug 30.4 26.7 23.3
Sep 26.8 22.9 19.2
Oct 20.8 16.9 12.7
Nov 14.3 10.8 6.9
Dec 8.3 5.4 2.2

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Nagaoka are June, May, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid June. For example, on the week of June 11th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in mid November with an average of 5 days of significant precipitation the week of November 12th.

When can you find snow in Nagaoka? Weather stations report moderate or seasonal snow likely to be deepest around December, especially close to early December. The best time to ski (if at all) in Nagaoka is often around around December 3rd 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 Nagaoka.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Nagaoka (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 49% 0.4 5.9
Feb 46% 0.9 5.4
Mar 40% 0.9 4.9
Apr 30% 0 4.1
May 25% 0 3.4
Jun 22% 0 4.3
Jul 37% 0 8.4
Aug 30% 0 5.7
Sep 31% 0 6.4
Oct 36% 0 7
Nov 54% 0 8.7
Dec 58% 2.2 10.9

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 49 1 15
Feb 46 2.3 13.7
Mar 40 2.3 12.4
Apr 30 0 10.4
May 25 0 8.6
Jun 22 0 10.9
Jul 37 0 21.3
Aug 30 0 14.5
Sep 31 0 16.3
Oct 36 0 17.8
Nov 54 0 22.1
Dec 58 5.6 27.7

 

Humidity and Wind

Nagaoka has some very humid months, with other comfortably humid months. The least humid month is April (55.6% relative humidity), and the most humid month is July (71.4%).

Wind in Nagaoka is usually calm. The windiest month is December, followed by January and March. December’s average wind speed of around 7.7 knots (8.8 MPH or 14.2 KPH) is considered “a gentle 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 14.2 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 7.5 Gentle breeze 12.8 Significant breeze
Feb 6.8 Light breeze 12 Significant breeze
Mar 6.9 Light breeze 12.6 Significant breeze
Apr 6.5 Light breeze 12.3 Significant breeze
May 6.2 Light breeze 11.5 Significant breeze
Jun 5.3 Light breeze 9.8 Gentle breeze
Jul 4.8 Light breeze 9.1 Significant breeze
Aug 4.9 Light breeze 9 Gentle breeze
Sep 5.6 Light breeze 10.3 Significant breeze
Oct 5.7 Light breeze 10.8 Gentle breeze
Nov 6.2 Light breeze 11.2 Significant breeze
Dec 7.7 Gentle breeze 13.3 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 61.4%
Feb 60.1%
Mar 56.7%
Apr 55.6%
May 58%
Jun 66.1%
Jul 71.4%
Aug 68.3%
Sep 64.4%
Oct 61%
Nov 63.6%
Dec 64.4%

 

Is it Safe to Travel to Nagaoka?

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 Nagaoka, 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 Nagaoka 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 Nagaoka Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 73.8°F (23.2°C) and 45.4°F (7.4°C) with warmer temperatures in the later months. Rain is somewhat common with 8 to 12 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 least precipitation with 7 to 11 days of precipitation per month. June – August is fairly slow season for tourism in Nagaoka, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 83.6°F (28.7°C) and 53.8°F (12.1°C), which will feel comfortable given the humidity and wind. It rains or snows a good amount: 9 to 16 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 Nagaoka to be enjoyable for warm weather travelers. The average high during this season is between 49.6°F (9.8°C) and 40.7°F (4.8°C). On average, it rains or snows a very great amount: 13 to 18 times per month. These times of year are the second busiest with tourists.

 

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