Ski resort Ski resort · Japan

Best time to visit Omachi Aki Area

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 Omachi Aki Area typically runs January and February, when there is snow on the ground and it is cold enough. For a visit without snow, the best time is May, with daytime temperatures around 20°C.

Omachi Aki Area at a glance: warmest in August with daytime temperatures around 28°C and coolest in January (0°C). The wettest month is July (245 mm) and the driest February (70 mm), with about 1,630 mm of rain a year. The sea is warmest in August (29°C). Sunniest in April.

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Omachi Aki Area

920 m
Pleasantly warm and rainy
54
20°/8°16°125 mm34 %14 h
JanFebMarAprMayJunJulAugSepOctNovDec
A typical mid-May in Omachi Aki Area
Sunny 9Cloudy 6Rain 15
Daytime temperature (night ☾)
8°15°24°−11°33°
Sea temperature
16°−11°33°
Daylight (solar time)
04:5519:05
0006121824
14 h 11 m
Precipitation
0250 mm
125 mm
Air feel
FreshComfortableHumidMuggy
RH 62 %

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The climate in Omachi Aki Area through the year

When to go

No month in Omachi Aki Area reaches a good score (65 or more) with the default preferences. May comes closest with 54 out of 100. A typical May day reaches 20°C and the night falls to 8°C, with rain on about 17 days and clear sky 34 % of the time. June and September are a fair alternative, with scores of 50–51. The lowest score is in January (15), when days are cool at around 0°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 December–March. July is the wettest month with 245 mm and February the driest with 70 mm, out of about 1,630 mm a year. Snow typically lies on the ground in December–April, deepest in February (about 80 cm).

Sea and daylight

The sea is 22°C or warmer in July–October, peaking at 29°C in August. It is coldest in March (11°C). Daylight lasts from about 9.5 hours in December to 14.5 hours in June. Omachi Aki Area lies about 900 m above sea level, which makes it roughly 6 degrees cooler than the lowlands around it.

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. Omachi Aki Area scores 65 or more in these months:

  • Cooler weather (10–20 °C): April–May and October–November, up to 82
  • Skiing: snow cover and cold enough in January and February

How it compares

Of the 191 destinations Eddigo covers in Japan, Omachi Aki Area is the 91st coolest over the year and the 90th driest. In May, when Omachi Aki Area scores 54, Togakushi Ski Field (30 km away) scores 48 and Iizuna Kogen Ski Resort (30 km away) scores 52. See where to go in May for the best destinations that month.

Month by month

MonthScoreDayNightSeaRainWet days (≥ 1 mm)SunDaylightFeels like
January150°−8°13°81 mm1831 %10 hCold and snowy · ski conditions
February152°−7°12°70 mm1630 %11 hCold and snowy · ski conditions
March157°−4°11°98 mm1731 %12 hChilly and rainy
April3114°2°12°111 mm1440 %13 hMild and showery
May5420°8°16°124 mm1534 %14 hPleasantly warm and rainy
June5023°13°21°182 mm1721 %15 hRainy season · pleasantly warm, rainy and grey
July4827°18°26°245 mm2116 %14 hRainy season · warm, rainy and grey
August4928°19°29°189 mm2029 %14 hRainy season · warm and rainy
September5123°15°27°203 mm1823 %12 hRainy season · pleasantly warm, rainy and grey
October4217°8°23°139 mm1526 %11 hMild and showery
November1711°1°19°94 mm1537 %10 hChilly and rainy
December173°−5°16°90 mm2037 %10 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: 916 m. Coordinates: 36.56, 137.86.