Ski resort Ski resort · Japan

Best time to visit Okunakayama Kogen Ski Resort

The colour shows how good it gets. Tap a card to see that kind of trip at its best time of year; your own preferences stay as they are.

The ski season in Okunakayama Kogen Ski Resort typically runs February, when there is snow on the ground and it is cold enough. For a visit without snow, the best time is September, with daytime temperatures around 23°C.

Okunakayama Kogen Ski Resort at a glance: warmest in August with daytime temperatures around 28°C and coolest in January (0°C). The wettest month is July (189 mm) and the driest February (57 mm), with about 1,340 mm of rain a year. The sea is warmest in August (22°C). Sunniest in April.

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Okunakayama Kogen Ski Resort

490 m
Rainy season · pleasantly warm and rainy
53
23°/12°22°150 mm27 %12 h
JanFebMarAprMayJunJulAugSepOctNovDec
A typical mid-September in Okunakayama Kogen Ski Resort
Sunny 6Cloudy 8Rain 16
Daytime temperature (night ☾)
12°19°27°−11°34°
Sea temperature
22°−11°34°
Daylight (solar time)
05:5018:10
0006121824
12 h 19 m
Precipitation
0190 mm
150 mm
Air feel
FreshComfortableHumidMuggy
RH 81 %

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The climate in Okunakayama Kogen Ski Resort through the year

When to go

No month in Okunakayama Kogen Ski Resort reaches a good score (65 or more) with the default preferences. September comes closest with 53 out of 100. A typical September day reaches 23°C and the night falls to 12°C, with rain on about 18 days and clear sky 27 % of the time. May and June are a fair alternative, with scores of 52–52. The lowest score is in January (14), when days are cool at around −1°C.

Seasons and rain

The seasons are sharply different: a August day (28°C) is about 28 degrees warmer than a January day (0°C). Nights typically drop below freezing in November–March. July is the wettest month with 189 mm and February the driest with 57 mm, out of about 1,340 mm a year. Snow typically lies on the ground in January–March, deepest in February (about 30 cm).

Sea and daylight

The sea is 22°C or warmer in August, peaking at 22°C in August. It is coldest in March (7°C). Daylight lasts from about 9.5 hours in December to 15 hours in June.

By type of trip

The best months change with what you want to do. Each of Eddigo’s trip types has its own preferred daytime temperature and its own weights for rain, humidity and sun. Okunakayama Kogen Ski Resort scores 65 or more in these months:

  • Cooler weather (10–20 °C): April–May and October–November, up to 79
  • Skiing: snow cover and cold enough in February

How it compares

Of the 191 destinations Eddigo covers in Japan, Okunakayama Kogen Ski Resort is the 79th coolest over the year and the 20th driest. In September, when Okunakayama Kogen Ski Resort scores 53, Hanawa Ski Resort (33 km away) scores 53 and Iwatekogen Snowpark (35 km away) scores 52. See where to go in September for the best destinations that month.

Month by month

MonthScoreDayNightSeaRainWet days (≥ 1 mm)SunDaylightFeels like
January140°−9°10°76 mm1927 %10 hCold and snowy
February151°−8°8°57 mm1630 %11 hCold and snowy · ski conditions
March156°−4°7°81 mm1830 %12 hChilly and snowy
April2414°1°8°92 mm1536 %13 hMild and rainy
May5220°7°11°96 mm1633 %15 hPleasantly warm and rainy
June5223°12°14°115 mm1523 %15 hPleasantly warm, rainy and grey
July4726°17°19°189 mm1920 %15 hRainy season · warm, rainy and grey
August4628°18°22°171 mm1925 %14 hRainy season · warm and rainy
September5323°12°22°152 mm1627 %12 hRainy season · pleasantly warm and rainy
October3717°5°19°126 mm1734 %11 hMild and rainy
November1610°−1°15°98 mm1836 %10 hChilly and rainy
December152°−6°12°84 mm2028 %9 hCold and snowy

The score (0–100) is calculated from a range of variables, and changes with your preferences.

Climate averages 2016–2025 (ERA5, CRU TS). Sea temperature from ERA5. Not a forecast. Elevation: 488 m. Coordinates: 40.08, 141.19.