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Lake Megami

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Lake Megami Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Lake Megami year round climate

  • Spring (March–May): 42–59°F on average, mild climate, but relatively high rainfall, especially in April. Common activities: Hiking, lakeside strolls. Recommended clothing: Light jacket, comfortable trousers, rain gear.
  • Summer (June–August): 67–77°F on average, hot weather, abundant rainfall, with the most rainfall in June. Common activities: Swimming, boating, camping. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): 46–72°F on average, comfortable and pleasant climate, but still relatively high rainfall. Common activities: Maple viewing (depending on tree species), hiking. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): -33–35°F on average, cold weather, low rainfall. Common activities: Skiing (depending on actual snow conditions), hot spring experience. Recommended clothing: Warm jacket, hat, gloves, scarf.

Lake Megami climatological average

Annual average temperature: approx. 54.3°F / Annual rainfall: approx. 1421 mm / Summer humidity: 70%–80% / Rainiest month: June

Lake Megami monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
30.9°F
15
February
32.7°F
63.7
March
42.1°F
107.7
April
54°F
126.5
May
59.5°F
166.1
June
67.6°F
218.8
July
76.1°F
207.3
August
77.9°F
115.2
September
72.3°F
191.7
October
56.8°F
101.4
November
46.9°F
84.8
December
35.8°F
23.1

Lake Megami weather for the next seven days

5/14
Thursday
Patchy rain nearby
63.9°F/41.1°F
5/15
Friday
Sunny
67.5°F/40.4°F
5/16
Saturday
Sunny
71.1°F/41.2°F
5/17
Sunday
Sunny
73.9°F/45.2°F
5/18
Monday
Sunny
75.8°F/46.6°F
5/19
Tuesday
Partly Cloudy
75.5°F/50.4°F
5/20
Wednesday
Patchy rain nearby
74.2°F/51.3°F

Lake Megami Frequently Asked Questions and Useful Information for Travel

When is the best time to view maple leaves?

The best period for viewing maple leaves is from mid-October to early November.

Which attractions are must-sees?

Must-see attractions include taking a tour boat to admire the autumn leaves on the lake and exploring the surrounding Oirase Valley.