The Tenguyama summit observation deck offers panoramic views of Otaru's cityscape and houses the Tengu Museum, providing insights into tengu culture from across Japan. The Tenguyama Shrine is also nearby, nestled in beautiful woods. After dark, the city's night view is exceptionally enchanting, making it a must-see attraction.
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Mt. Tengu Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Mt. Tengu year round climate
Spring (March–May): 2.8–14.3°C on average, mild climate, but still relatively cold in early spring, with relatively low rainfall. Common activities: Hiking, enjoying spring scenery. Recommended clothing: Warm jacket, long-sleeved clothing, adjust clothing according to weather changes.
Summer (June–August): 18.4–24.7°C on average, warm and humid, with higher rainfall, especially in August. Common activities: Hiking to escape the heat, appreciating mountain views. Recommended clothing: Light and breathable clothing, rain gear.
Autumn (September–November): 13.2–20.4°C on average, comfortable and pleasant climate, with higher rainfall, crisp autumn air. Common activities: Hiking, viewing autumn leaves (depending on tree species). Recommended clothing: Light jacket, long-sleeved clothing.
Winter (December–February): -3.1–-1.3°C on average, cold and dry, with higher probability of snowfall. Common activities: Viewing snow scenery (depending on snowfall), experiencing winter hiking. Recommended clothing: Warm jacket, hat, gloves, scarf, etc. for cold protection.
Mt. Tengu climatological average
Annual average temperature: approx. 10.5°C / Annual rainfall: approx. 1083 mm / Summer humidity: 70%–80% / Rainiest month: August
Mt. Tengu monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-3.1°C
132
February
-2.3°C
111
March
2.8°C
53
April
9.6°C
37
May
14.3°C
43
June
18.4°C
81
July
23.4°C
89.7
August
24.7°C
135.3
September
20.4°C
103
October
13.2°C
109.7
November
6.6°C
114.7
December
-1.3°C
73.7
Mt. Tengu weather for the next seven days
6/1
Monday
Sunny
21.5°C/10.8°C
6/2
Tuesday
Sunny
21.9°C/13°C
6/3
Wednesday
Sunny
22.4°C/12.7°C
6/4
Thursday
Sunny
19.1°C/10.8°C
6/5
Friday
Patchy rain nearby
16.3°C/10.7°C
6/6
Saturday
Cloudy
17.8°C/11.5°C
6/7
Sunday
Patchy rain nearby
15°C/11.2°C
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