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Nikko Onsen Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-10

Nikko Onsen year round climate

  • Spring (March–May): Average 46–64°F. The weather gradually warms, dry and comfortable. Low rainfall and ample sunshine, making it a great time for outdoor activities. Common activities: outdoor strolls, enjoying hot springs, experiencing the mild spring climate. Suggested attire: light jacket, long-sleeved shirt, shirt.
  • Summer (June–August): Average 71–86°F. Hot and dry, with strong sunlight. Rainfall is relatively higher in June, but overall, summer remains dry. Common activities: enjoying hot springs (cooler pools can be chosen), indoor activities, outdoor strolls with sun protection. Suggested attire: light and breathable clothing, short-sleeved shirts, shorts, sun hat, sunglasses.
  • Autumn (September–November): Average 57–80°F. September remains hot, but temperatures drop sharply from October, becoming cool and pleasant. Dry with little rain, it's a comfortable season for enjoying autumn scenery. Common activities: enjoying hot springs, outdoor hiking, admiring autumn scenery. Suggested attire: light clothing in September; after October, prepare long-sleeved shirts, light jackets, sweaters.
  • Winter (December–February): Average 42–46°F. Cold but rarely below freezing, extremely dry, with very little rainfall. It is the best season for hot springs. Common activities: relaxing in hot springs, indoor leisure activities, tasting local delicacies. Suggested attire: thick jackets, sweaters, scarves, gloves, and other warm clothing.

Nikko Onsen climatological average

Annual average temperature: approx. 63.1°F / Annual rainfall: approx. 71 mm / Summer humidity: 55-75% / Rainiest month: June

Nikko Onsen monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
43.3°F
1.5
February
45.9°F
4.6
March
47.5°F
5.7
April
61.3°F
6
May
64.2°F
9.2
June
72.1°F
14.1
July
82.4°F
9.2
August
85.3°F
6.8
September
81.3°F
2.1
October
70°F
6.8
November
57.9°F
4.9
December
46.8°F
0.1

Nikko Onsen weather for the next seven days

1/14
Wednesday
Partly Cloudy
48.7°F/39°F
1/15
Thursday
Patchy rain nearby
54.7°F/39.3°F
1/16
Friday
Sunny
57.5°F/46.4°F
1/17
Saturday
Partly Cloudy
57.1°F/42.2°F
1/18
Sunday
Sunny
56.7°F/43.6°F
1/19
Monday
Partly Cloudy
57.2°F/43.6°F
1/20
Tuesday
Patchy rain nearby
46.4°F/35.3°F