Spring (March–May): Average 2.8–14.3°C, with fluctuating temperatures and occasional rainfall, but relatively low precipitation. Common activities: Flower viewing, spring outings, hiking. Recommended clothing: Warm jacket, long-sleeved clothing, adjust layers according to weather changes.
Summer (June–August): Average 18.4–24.7°C, warm and humid, with more rainfall, especially in August. Common activities: Walking along the river, camping, water activities. Recommended clothing: Light and breathable clothing, rain gear.
Autumn (September–November): Average 13.2–20.4°C, pleasant and comfortable, with more rainfall but gradually decreasing temperatures. Common activities: Maple viewing, hiking, outdoor picnics. Recommended clothing: Comfortable long-sleeved clothing, light jacket.
Winter (December–February): Average -3.1–-1.3°C, cold and dry, with a higher probability of snowfall. Common activities: Skiing, snow viewing. Recommended clothing: Heavy warm clothing, winter jacket, hat, gloves, scarf, etc.
Toyohira River climatological average
Annual average temperature: approx. 10.5°C / Annual rainfall: approx. 1083 mm / Summer humidity: 70%–80% / Rainiest month: August
Toyohira River 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
Toyohira River weather for the next seven days
10/28
Tuesday
Moderate rain
6.2°C/2.9°C
10/29
Wednesday
Patchy rain nearby
8.1°C/1.1°C
10/30
Thursday
Sunny
10.6°C/-0.1°C
10/31
Friday
Patchy rain nearby
14°C/5°C
11/1
Saturday
Moderate rain
10.7°C/7.3°C
11/2
Sunday
Patchy rain nearby
12.6°C/4.8°C
11/3
Monday
Patchy rain nearby
4.4°C/-0.1°C
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