The best times to visit Nikko for ideal weather are
June 4th to September 30th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Nikko Travel Guide
Other Nikko Travel Info
Weather in Nikko
Average temperatures in Nikko 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 24th 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 Nikko, 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 75.8°F (24.3°C) with temperatures rarely dropping below 60.9°F (16.1°C) at night.
Nikko Temperatures (Fahrenheit)
Nikko Temperatures (Celsius)
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.
Nikko Perceived Temperature (F)
Nikko Perceived Temperature (C)
Average Nikko 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Nikko 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 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 mid to late August with an average of 4 days of significant precipitation the week of August 20th.
When can you find snow in Nikko? 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 Nikko.
Snow on the Ground
The graph below shows the average snow on the ground in Nikko (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Nikko has some extremely humid months, with other comfortably humid months. The least humid month is January (52.8% relative humidity), and the most humid month is August (85.6%).
Wind in Nikko is usually calm. The windiest month is January, followed by December and February. January’s average wind speed of around 8.5 knots (9.8 MPH or 15.7 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 17.9 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Nikko.
The graph below shows wind speed (max and average) in knots.
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||8.5||Gentle breeze||16.1||Significant breeze|
|Feb||8.2||Gentle breeze||16.1||Significant breeze|
|Mar||8||Gentle breeze||15.6||Significant breeze|
|Apr||6.6||Light breeze||13.1||Significant breeze|
|May||6||Light breeze||11.7||Significant breeze|
|Jun||4.5||Light breeze||8.5||Gentle breeze|
|Jul||4.4||Light breeze||8.5||Significant breeze|
|Aug||4.2||Light breeze||7.9||Gentle breeze|
|Sep||4.6||Light breeze||8.9||Significant breeze|
|Oct||5.3||Light breeze||10.5||Gentle breeze|
|Nov||6.8||Light breeze||13.2||Significant breeze|
|Dec||8.5||Gentle breeze||16||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Nikko?
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 Nikko, 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 Nikko 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
Overall Nikko Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 62.7°F (17.1°C) and 35.5°F (1.9°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 10 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 comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with about 13 days of precipitation per month. June – August is fairly slow season for tourism in Nikko, so lodging and other accommodations may cost slightly less.
Fall (September through November)
Fall daily highs range from 69.7°F (20.9°C) and 43°F (6.1°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 11 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 far too cold this time of year in Nikko to be enjoyable for warm weather travelers. The average high during this season is between 39.7°F (4.3°C) and 30.2°F (-1°C). On average, it rains or snows a fair amount: 3 to 6 times per month. These times of year are the second busiest with tourists.