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Hakodate Mountain
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Best time to visit Hakodate Mountain
Data source：Meteostat
Last updated：2025-10
Weather in Hakodate Mountain throughout the year
- Spring (March–May): Average 6–16°C. Temperatures gradually warm up, and the climate is pleasant. Rainfall is scarce, and it's generally sunny. Common activities: hiking, enjoying spring flowers, outdoor picnics. Recommended attire: light jackets, sweaters, long-sleeved shirts, comfortable athletic shoes.
- Summer (June–August): Average 21–27°C. Warm and hot, it is the warmest season of the year. Rainfall is slightly higher compared to other seasons (June is the rainiest month of the year), but overall it remains dry. Common activities: escaping the summer heat in the mountains, hiking, stargazing, enjoying outdoor activities. Recommended attire: light and breathable clothing, short-sleeved shirts, shorts, sun protection, hats.
- Autumn (September–November): Average 12–25°C. Temperatures shift from warm to cool, with large diurnal temperature variations. Rainfall is scarce, making it the best season for viewing autumn leaves. Common activities: autumn foliage hikes, photography, enjoying the cool mountain climate. Recommended attire: layered clothing (onion-style dressing), light jackets, sweaters, long pants, scarves (late autumn).
- Winter (December–February): Average 3–5°C. Cold and dry, with temperatures near freezing, and snow possible in the mountains. Precipitation (rain/snow) is very scarce. Common activities: skiing, winter mountaineering (requires professional equipment), enjoying snowscapes. Recommended attire: warm thick jackets, down jackets, wool hats, gloves, scarves, warm base layers, waterproof and non-slip shoes.
Weather in Hakodate Mountain
Annual average temperature: approx. 15.1°C / Annual rainfall: approx. 73 mm / Summer humidity: 60-75% / Rainiest month: June
Hakodate Mountain weather by month
Month
Temperature (°C)
Rainfall (mm)
January
3.6°C
3.5
February
5.3°C
5.2
March
6.4°C
6.6
April
14.5°C
5.4
May
16.3°C
7.4
June
21.1°C
12.5
July
26°C
9.3
August
27°C
4.9
September
25.2°C
3.9
October
18.4°C
8.1
November
11.7°C
4.5
December
4.9°C
2.1
7-day weather forecast for Hakodate Mountain
10/30
Friday
Patchy rain nearby
17.2°C/12.6°C
10/31
Saturday
Patchy rain nearby
18.5°C/9.8°C
11/1
Sunday
Overcast
18.4°C/8.5°C
11/2
Monday
Patchy rain nearby
14.7°C/12.5°C
11/3
Tuesday
Patchy rain nearby
17.5°C/9°C
11/4
Wednesday
Overcast
17.1°C/7.9°C
11/5
Thursday
Patchy rain nearby
17.9°C/13.8°C
