Spring (March–May): 0.4–12°C, the climate transitions from cold to mild. March still has a possibility of snowfall; snow melts starting in April, and temperatures rise in May. Common activities: end of ski season (March), flower viewing, outdoor hiking. Recommended clothing: warm coat, waterproof jacket and pants, fleece clothing, warm hat and socks (March); spring coat, long-sleeved shirts and pants (April–May).
Summer (June–August): 16.6–22.6°C, warm and humid climate with higher rainfall, especially in August. Common activities: mountain hiking, stream activities, camping, golf. Recommended clothing: lightweight and breathable clothing, rain gear, sun protection clothing.
Autumn (September–November): 10.6–17.9°C, cool climate with higher rainfall, especially in October and November. Common activities: autumn leaves viewing, hiking, cycling. Recommended clothing: light jacket, long-sleeved clothing, comfortable shoes.
Winter (December–February): -5.6–-4°C, cold climate with heavy snowfall; ideal for skiing. Common activities: skiing, snowboarding, snowshoeing. Recommended clothing: heavy warm coat, waterproof jacket and pants, warm hat and socks, waterproof gloves.
Weather in Niseko
Annual average temperature: approx. 7.8°C / Annual rainfall: approx. 1730 mm / Summer humidity: 70%–80% / Rainiest month: December
Niseko weather by month
Month
Temperature (°C)
Rainfall (mm)
January
-5.6°C
195.1
February
-4.3°C
122.3
March
0.4°C
73.6
April
6.9°C
45.2
May
12°C
81.6
June
16.6°C
106.3
July
21.5°C
99.4
August
22.6°C
199.7
September
17.9°C
175.3
October
10.6°C
182.1
November
3.6°C
200.4
December
-4°C
249.5
7-day weather forecast for Niseko
11/3
Tuesday
Patchy rain nearby
5.2°C/-0.8°C
11/4
Wednesday
Sunny
6.1°C/-2.3°C
11/5
Thursday
Overcast
10.9°C/-2.4°C
11/6
Friday
Light drizzle
11.3°C/-0.6°C
11/7
Saturday
Blizzard
-0.5°C/-1.9°C
11/8
Sunday
Moderate snow
-1°C/-3.9°C
11/9
Monday
Heavy snow
-0.2°C/-4.2°C
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