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Suwa

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Suwa Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Suwa year round climate

  • Spring (March–May): Average 54–68°F, mild climate but with relatively high rainfall, especially in April. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt.
  • Summer (June–August): Average 75–85°F, hot and humid with frequent rainfall; June is the rainiest month. Common activities: Summer resort, water activities (if there are nearby lakes or streams). Recommended clothing: Light and breathable clothing, sun hat.
  • Autumn (September–November): Average 69–60°F, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Hiking, maple viewing (if maple leaves are present locally). Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 48–47°F, cold and dry with less rainfall. Common activities: Hot springs, skiing (if there are nearby ski resorts). Recommended clothing: Warm coat, beanie, scarf, gloves.

Suwa climatological average

Annual average temperature: approx. 65.3°F / Annual rainfall: approx. 2118 mm / Summer humidity: 70%–80% / Rainiest month: June

Suwa monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
46°F
80.5
February
47.8°F
93.5
March
54.9°F
167.9
April
62.8°F
208.7
May
68.7°F
217.5
June
75.2°F
380.4
July
83.5°F
329.5
August
85.3°F
198.8
September
81.1°F
178.1
October
69.6°F
90.6
November
60.8°F
118
December
48.4°F
54.7

Suwa weather for the next seven days

5/10
Sunday
Sunny
72°F/51.4°F
5/11
Monday
Sunny
74.3°F/54.2°F
5/12
Tuesday
Moderate rain
76.3°F/54.6°F
5/13
Wednesday
Heavy rain
71.2°F/58.3°F
5/14
Thursday
Sunny
77.2°F/55.1°F
5/15
Friday
Sunny
80°F/58.5°F
5/16
Saturday
Sunny
78.7°F/60°F