It was a hot day, and the temperature at the mountaintop was around 30℃, so we entered the shop earlier than planned, and I appreciate their kind hospitality. The air conditioning inside the shop was working well, making it very comfortable. All the dishes in the afternoon tea were delicious, and I was very satisfied.
I was torn between Biwako Valley and Hakodateyama, but it seemed like the attractions at Biwako Valley were under maintenance, so I chose Hakodateyama. When you get off the gondola, you can use the mini pool with a slide, grass sledding, and lifts as many times as you like for free with this ticket! How generous! There were also paid attractions like an athletic course, a long grass sledding area, and buggies, but my kids enjoyed the athletic course the most. It's a pretty fun athletic course. My kids are not very athletic, so they were almost ready to give up 💦 The restaurant opened for business that day, and for a ski resort restaurant, the quality was high and the food was delicious. The prices were also reasonable. There were also many photogenic spots. I've been to Biwako Valley three times this year for skiing, but it's incredibly crowded, and the restaurants are too high-end, making it difficult for families with children. The number of people at Hakodateyama was just right. I'm sorry to say, but Hakodateyama wins. Also, all the staff were friendly and kind, which made me feel warm and fuzzy inside. Thank you very much.
On a hot day, climbing a mountain provided a cool escape, and enjoying the thrilling athletic activities created wonderful memories.
Anonymous User
Family
Hakodate Mountain Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-10
Hakodate Mountain year round climate
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.
Hakodate Mountain climatological average
Annual average temperature: approx. 15.1°C / Annual rainfall: approx. 73 mm / Summer humidity: 60-75% / Rainiest month: June
Hakodate Mountain monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (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
Hakodate Mountain weather for the next seven days
8/4
Tuesday
Patchy rain nearby
30.5°C/23.6°C
8/5
Wednesday
Sunny
33.1°C/21.7°C
8/6
Thursday
Sunny
34.1°C/23°C
8/7
Friday
Partly Cloudy
33.1°C/23.2°C
8/8
Saturday
Partly Cloudy
33°C/23.7°C
8/9
Sunday
Sunny
30.7°C/24°C
8/10
Monday
Sunny
30.2°C/23°C
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