Spring (March–May): 5.9–14.6°C on average, mild climate but with relatively high rainfall, especially in April. Common activities: Hiking, flower viewing (e.g., mountain cherry blossoms). Recommended clothing: Light jacket, warm clothing.
Summer (June–August): 18.7–24.5°C on average, comfortable temperature, but June has the most rainfall, so be prepared for rain. Common activities: Water activities (e.g., boating, swimming), camping. Recommended clothing: Light and breathable clothing, rain gear.
Autumn (September–November): 9.0–21.1°C on average, pleasant climate, decreasing rainfall, beautiful scenery. Common activities: Maple viewing, photography. Recommended clothing: Light jacket, long-sleeved clothing.
Winter (December–February): 0.3–2.5°C on average, cold temperature, low rainfall. Common activities: Enjoying snow scenery (depending on snowfall), onsen experience. Recommended clothing: Warm jacket, hat, gloves, scarf.
Lake Motosu climatological average
Annual average temperature: approx. 12.2°C / Annual rainfall: approx. 1879 mm / Summer humidity: 70%–80% / Rainiest month: June
Lake Motosu monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
0.3°C
26.8
February
1.2°C
68.5
March
5.9°C
134.7
April
11.5°C
165.2
May
14.6°C
214.1
June
18.7°C
305.4
July
23.7°C
128.4
August
24.5°C
253.9
September
21.1°C
271.7
October
13.5°C
160.3
November
9°C
127.2
December
2.5°C
22.8
Lake Motosu weather for the next seven days
11/15
Saturday
Patchy rain nearby
11°C/3.8°C
11/16
Sunday
Patchy rain nearby
12.1°C/4.4°C
11/17
Monday
Sunny
16°C/4.4°C
11/18
Tuesday
Patchy rain nearby
7.6°C/0.3°C
11/19
Wednesday
Sunny
8.5°C/-0.3°C
11/20
Thursday
Patchy rain nearby
8.8°C/0.3°C
11/21
Friday
Sunny
12.4°C/-0.1°C
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