I went with my child, and there were games that my child was interested in, so it was even more fun than I expected!
Anonymous User
Friend
Inawashiro Lake Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Inawashiro Lake year round climate
Spring (March–May): 41–62°F on average. The climate is mild, but early spring can still be cold, so be mindful of the temperature difference between morning and evening. Occasional rainfall begins in March, with moderate rainfall overall. Common activities: Flower viewing, hiking, lake cruises. Recommended clothing: Light jacket, long-sleeved shirts, comfortable walking shoes.
Summer (June–August): 70–81°F on average. Hot and humid with more rainfall, especially in July which sees the most rainfall. Common activities: Water sports, camping, outdoor barbecues. Recommended clothing: Lightweight and breathable clothing, sun hat, sunscreen.
Autumn (September–November): 48–75°F on average. Pleasant and comfortable climate with a larger temperature difference between morning and evening, and moderate rainfall. Common activities: Maple leaf viewing, cycling, mountain climbing. Recommended clothing: Comfortable long-sleeved shirts, light jacket, warm clothing.
Winter (December–February): 32–36°F on average. Cold and dry with occasional snowfall. Common activities: Skiing, onsen experiences, enjoying the winter lake views. Recommended clothing: Warm jacket, scarf, gloves, hat.
Inawashiro Lake climatological average
Annual average temperature: approx. 56.3°F / Annual rainfall: approx. 1102 mm / Summer humidity: 70%–80% / Rainiest month: July
Inawashiro Lake monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
32.4°F
80
February
34.2°F
62.7
March
41.7°F
75.3
April
54.9°F
61.3
May
62.1°F
73.3
June
70.9°F
134.3
July
79°F
139
August
81.5°F
78.3
September
75°F
109
October
58.8°F
81.3
November
48°F
97
December
36.7°F
111.3
Inawashiro Lake weather for the next seven days
5/5
Tuesday
Patchy rain nearby
63°F/43.2°F
5/6
Wednesday
Partly Cloudy
67.3°F/42.7°F
5/7
Thursday
Partly Cloudy
71.3°F/50.4°F
5/8
Friday
Patchy rain nearby
69.5°F/52.2°F
5/9
Saturday
Sunny
60.1°F/42.5°F
5/10
Sunday
Sunny
70.8°F/39.3°F
5/11
Monday
Sunny
74.2°F/45.7°F
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