Spring (March–May): Average 42–58°F, mild climate but with relatively high rainfall, especially abundant in April and May. Common activities: Hiking, flower viewing (e.g., cherry blossoms, depending on blooming conditions). Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 65–76°F, hot and humid, with the most rainfall in June. Common activities: Visiting summer resorts, playing in streams (safety precautions needed). Recommended clothing: Breathable short-sleeved clothing, shorts, sun hat, rain gear.
Autumn (September–November): Average 48–69°F, comfortable and pleasant climate, with relatively high rainfall. Common activities: Maple leaf viewing (depending on leaf color change), outdoor excursions. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 32–36°F, cold and dry, with low rainfall. Common activities: Hot spring trips, indoor activities. Recommended clothing: Warm jacket, sweater, scarf, gloves, hat.
Otsuki climatological average
Annual average temperature: approx. 54.0°F / Annual rainfall: approx. 1879 mm / Summer humidity: 70%–80% / Rainiest month: June
Otsuki monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
32.5°F
26.8
February
34.2°F
68.5
March
42.6°F
134.7
April
52.7°F
165.2
May
58.3°F
214.1
June
65.7°F
305.4
July
74.7°F
128.4
August
76.1°F
253.9
September
70°F
271.7
October
56.3°F
160.3
November
48.2°F
127.2
December
36.5°F
22.8
Otsuki weather for the next seven days
12/19
Friday
Sunny
49.1°F/29.7°F
12/20
Saturday
Heavy rain
50.2°F/39.4°F
12/21
Sunday
Moderate rain
53.1°F/43.1°F
12/22
Monday
Patchy rain nearby
46.4°F/34.2°F
12/23
Tuesday
Sunny
44.7°F/26.9°F
12/24
Wednesday
Moderate rain
47.6°F/29.2°F
12/25
Thursday
Patchy rain nearby
46°F/35.1°F
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