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Nanjo Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Nanjo year round climate

  • Spring (March–May): Average 38–58°F, the climate gradually changes from cold to warm, with more rainfall and occasional overcast weather. Common activities: flower viewing, hiking. Recommended clothing: warm jacket, comfortable trousers, and rain gear.
  • Summer (June–August): Average 67–77°F, high temperatures, abundant rainfall, and high humidity. Common activities: mountain climbing, sightseeing in summer resorts. Recommended clothing: breathable and lightweight clothing, and rain gear.
  • Autumn (September–November): Average 45–70°F, temperatures gradually decrease from high to cool, rainfall decreases, and the weather is comfortable and pleasant. Common activities: maple leaf viewing, outdoor recreational activities. Recommended clothing: light jacket, long-sleeved shirts and trousers.
  • Winter (December–February): Average -34–33°F, cold temperatures, and more rainfall. Common activities: skiing, onsen experience (if available nearby). Recommended clothing: thick warm clothing, waterproof jacket, hat, scarf, and gloves.

Nanjo climatological average

Annual average temperature: approx. 51.6°F / Annual rainfall: approx. 1377 mm / Summer humidity: 70%–80% / Rainiest month: August

Nanjo monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
29.3°F
64.8
February
30.7°F
49.2
March
38.8°F
103.5
April
51.4°F
92.3
May
58.8°F
113.2
June
67.1°F
130.2
July
75.2°F
200.4
August
77.2°F
211.6
September
70.7°F
135.7
October
56.3°F
77.9
November
45.5°F
90.5
December
33.4°F
107.9

Nanjo weather for the next seven days

12/29
Monday
Moderate or heavy snow showers
33.7°F/19.2°F
12/30
Tuesday
Light drizzle
34.6°F/27.8°F
12/31
Wednesday
Patchy moderate snow
30.8°F/22.4°F
1/1
Thursday
Light freezing rain
26.3°F/16.9°F
1/2
Friday
Patchy light snow
31.5°F/20.1°F
1/3
Saturday
Heavy snow
25.2°F/15.5°F
1/4
Sunday
Partly Cloudy
34°F/17.7°F