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Minamiaizu

Travel Info

Minamiaizu Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Minamiaizu year round climate

  • Spring (March–May): Average 54–73°F, mild climate. Temperatures gradually warm starting in March; April offers pleasant temperatures, while May is warm. Rainfall gradually increases. Common activities: Sightseeing, flower viewing. Suggested clothing: Light jacket, long-sleeved shirt; warm clothing for mornings and evenings.
  • Summer (June–August): Average 78–87°F, hot temperatures. June to August experience higher rainfall and humidity. Common activities: Summer resort activities, stream play, hiking (be sure to protect yourself from the sun and stay hydrated). Suggested clothing: Light and breathable clothing, sun hat, sunglasses.
  • Autumn (September–November): Average 69–82°F, pleasant climate. September remains warm, with temperatures gradually cooling down after October. Rainfall decreases compared to summer. Common activities: Maple leaf viewing, hiking. Suggested clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 45–49°F, cold temperatures, low rainfall. Common activities: Skiing (if there are nearby resorts), onsen experience. Suggested clothing: Warm coat, hat, gloves, scarf.

Minamiaizu climatological average

Annual average temperature: approx. 66.2°F / Annual rainfall: approx. 1745 mm / Summer humidity: 70%–80% / Rainiest month: June

Minamiaizu monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
45.1°F
29.4
February
48.2°F
73.3
March
54.1°F
150.3
April
65.8°F
166.9
May
73.2°F
189.2
June
79°F
263.2
July
86.5°F
134.9
August
88°F
225.3
September
82.4°F
242.4
October
70°F
142.8
November
57.9°F
93.1
December
49.5°F
34.8

Minamiaizu weather for the next seven days

8/30
Sunday
Overcast
78.8°F/70°F
8/31
Monday
Light rain shower
77°F/73.6°F
9/1
Tuesday
Patchy rain nearby
87.3°F/73.7°F
9/2
Wednesday
Patchy rain nearby
88.9°F/75.9°F
9/3
Thursday
Overcast
88.4°F/76.8°F
9/4
Friday
Patchy rain nearby
80.9°F/71.2°F
9/5
Saturday
Light rain shower
70.8°F/66.3°F