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Climate · Nikko

Nikko in August

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

August in Nikko is warm: highs near 77°F, lows near 63°F. Rain falls on about six days a week, and the days shorten by 59 minutes from the first week to the last.August in Nikko is warm: highs near 25°C, lows near 17°C. Rain falls on about six days a week, and the days shorten by 59 minutes from the first week to the last.

High
77°F25°Caverage
Low
63°F17°Caverage
Wet days
6a week · 85% of days
Daylight
13h 30mon average

Is August a good time to visit Nikko?

Yes. August is one of Nikko's best months (June to September).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How August sits in the year

week by week

Temperature

Highs near 77°F in August, against 34°F to 77°F through the year.Highs near 25°C in August, against 1°C to 25°C through the year.

Chance of a wet day

85% of days in August, against 39% to 88% through the year.

Cloud cover

65% cover in August, against 58% to 71% through the year.

Daylight

13h 30m in August, against 9h 41m to 14h 38m through the year.

Week by week, lightly smoothed, with August shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. July75°24°low 61°low 16°6 wet days a weekRain on about six days a week.
  2. August77°25°low 63°low 17°6 wet days a weekRain on about six days a week.
  3. September71°22°low 58°low 14°5 wet days a weekRain on about five days a week.

Where Nikko sits, in August

Asia/Tokyo
this place
typical high in August 40°F4°C95°F35°C
Sunrise, mid-August
4:59 AMsets 6:35 PM
Above the sea
1,269 mupland
Latitude
36.7°Nnorthern hemisphere
Nearest of ours
Karuizawa91 km south-west

The land around Nikko, shaded by its typical high in August, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Japan in August

high · low · wet days
See August on the planning mapThe whole year in Nikko

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Nikko. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,269 m) against the climate model's (1,117 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,269 m) against the climate model's (1,117 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.