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Lake Ashi

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Lake Ashi Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Lake Ashi year round climate

  • Spring (March–May): Average 53–66°F, mild and rainy, gradually warming from March, but with more rainfall. Common activities: Lakeside walks, Hakone Ropeway sightseeing. Recommended clothing: Light jacket, comfortable long pants, rain gear.
  • Summer (June–August): Average 73–82°F, hot and humid, with relatively high rainfall, particularly in June. Common activities: Boat trips, hot spring bathing, hiking. Recommended clothing: Breathable clothing, short sleeves, hat, rain gear.
  • Autumn (September–November): Average 66–78°F, comfortable and pleasant, with gradually decreasing rainfall. Common activities: Autumn leaves viewing, lakeside strolls, museum visits. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 43–47°F, relatively low temperatures, less rainfall. Common activities: Hot spring bathing, appreciating the lake scenery. Recommended clothing: Warm jacket, scarf, hat, gloves.

Lake Ashi climatological average

Annual average temperature: approx. 62.6°F / Annual rainfall: approx. 2182 mm / Summer humidity: 70%–80% / Rainiest month: June

Lake Ashi monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
43.2°F
43.1
February
45.5°F
109.2
March
53.2°F
191.3
April
61.2°F
234
May
66°F
262.2
June
73°F
346.2
July
82.2°F
198.4
August
82.2°F
227.1
September
79°F
242.3
October
66.2°F
152.5
November
58.5°F
137.1
December
47.1°F
38.8

Lake Ashi weather for the next seven days

5/11
Monday
Patchy rain nearby
66.6°F/52.7°F
5/12
Tuesday
Sunny
67.9°F/50.2°F
5/13
Wednesday
Overcast
69.2°F/51.2°F
5/14
Thursday
Patchy rain nearby
66.1°F/53.9°F
5/15
Friday
Sunny
72.8°F/51.5°F
5/16
Saturday
Sunny
76.5°F/54.9°F
5/17
Sunday
Sunny
75.7°F/55.9°F