Ski resort · Japan
Best time to visit Koshi 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 best time to visit Koshi Kogen Ski Resort is May, with daytime temperatures around 23°C.
Koshi Kogen Ski Resort at a glance: warmest in August with daytime temperatures around 31°C and coolest in January (5°C). The wettest month is December (226 mm) and the driest April (89 mm), with about 1,890 mm of rain a year. The sea is warmest in August (28°C). Sunniest in April.
Koshi Kogen Ski Resort
230 mThe climate in Koshi Kogen Ski Resort through the year
When to go
No month in Koshi Kogen Ski Resort reaches a good score (65 or more) with the default preferences. May comes closest with 55 out of 100. A typical May day reaches 23°C and the night falls to 11°C, with rain on about 18 days and clear sky 35 % of the time. June and October are a fair alternative, with scores of 51–52. The lowest score is in January (14), when days are cool at around 5°C.
Seasons and rain
The seasons are sharply different: a August day (31°C) is about 27 degrees warmer than a January day (5°C). Nights typically drop below freezing in December–March. Precipitation is spread evenly over the year, from 89 mm in April to 226 mm in December (about 1,890 mm in all). The air feels muggy in July and August. Snow typically lies on the ground in December–March, deepest in February (about 60 cm).
Sea and daylight
The sea is 22°C or warmer in July–October, peaking at 28°C in August. It is coldest in March (10°C). Daylight lasts from about 9.5 hours in December to 14.5 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. Koshi Kogen Ski Resort scores 65 or more in these months:
- Cooler weather (10–20 °C): March–May and October–December, up to 81
How it compares
Of the 191 destinations Eddigo covers in Japan, Koshi Kogen Ski Resort is the 32nd warmest over the year and the 23rd wettest. In May, when Koshi Kogen Ski Resort scores 55, Muica Snow Resort (28 km away) scores 55 and Matsudai Family Ski Resort (33 km away) scores 56. See where to go in May for the best destinations that month.
Month by month
| Month | Score | Day | Night | Sea | Rain | Wet days (≥ 1 mm) | Sun | Daylight | Feels like |
|---|---|---|---|---|---|---|---|---|---|
| January | 14 | 5° | −3° | 13° | 192 mm | 22 | 25 % | 10 h | Cold and snowy |
| February | 14 | 6° | −3° | 11° | 105 mm | 18 | 25 % | 11 h | Chilly, snowy and grey |
| March | 14 | 11° | 0° | 10° | 111 mm | 19 | 28 % | 12 h | Chilly and rainy |
| April | 47 | 18° | 5° | 12° | 89 mm | 14 | 41 % | 13 h | Mild and showery |
| May | 55 | 23° | 11° | 15° | 100 mm | 15 | 35 % | 14 h | Pleasantly warm and rainy |
| June | 52 | 26° | 16° | 20° | 140 mm | 16 | 23 % | 15 h | Warm, rainy and grey |
| July | 32 | 30° | 21° | 25° | 223 mm | 20 | 19 % | 14 h | Hot, rainy and muggy |
| August | 28 | 31° | 22° | 28° | 186 mm | 19 | 36 % | 14 h | Hot, rainy and muggy |
| September | 49 | 27° | 17° | 26° | 188 mm | 18 | 25 % | 12 h | Warm and rainy |
| October | 51 | 21° | 10° | 22° | 167 mm | 17 | 26 % | 11 h | Pleasantly warm and rainy |
| November | 27 | 14° | 5° | 19° | 165 mm | 19 | 34 % | 10 h | Mild and rainy |
| December | 15 | 8° | −1° | 15° | 226 mm | 25 | 31 % | 10 h | Chilly and rainy |
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: 232 m. Coordinates: 37.32, 138.89.