Spring (March–May): Average 50–66°F, mild and comfortable climate, but with more rainfall and occasional overcast weather. Common activities: Flower viewing, walking or cycling along the Biwako Canal. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 74–85°F, hot and humid, abundant rainfall, especially in August. Common activities: Water activities (such as boating, swimming), relaxing by Lake Biwa. Recommended clothing: Light and breathable clothing, hat, sunglasses, rain gear.
Autumn (September–November): Average 66–80°F, comfortable and pleasant climate, reduced rainfall, abundant sunshine. Common activities: Hiking, autumn foliage viewing, visiting local attractions. Recommended clothing: Long-sleeved shirt, light jacket.
Winter (December–February): Average 41–44°F, cold and dry, little rainfall. Common activities: Hot spring experience, indoor activities. Recommended clothing: Warm jacket, scarf, hat, gloves.
Biwako Conduit climatological average
Annual average temperature: approx. 62.6°F / Annual rainfall: approx. 1656 mm / Summer humidity: 70%–80% / Rainiest month: August
Biwako Conduit monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
41.2°F
47.4
February
43°F
72.5
March
50.9°F
131.3
April
61.5°F
182.2
May
66.7°F
199.8
June
74.7°F
248.8
July
84°F
176
August
85.1°F
254.7
September
80.8°F
127.3
October
66.4°F
105.2
November
57°F
91.9
December
45°F
19.2
Biwako Conduit weather for the next seven days
10/19
Sunday
Moderate rain
70.5°F/63.9°F
10/20
Monday
Patchy rain nearby
70.5°F/58.1°F
10/21
Tuesday
Patchy rain nearby
64.5°F/55.2°F
10/22
Wednesday
Partly Cloudy
63.2°F/56.3°F
10/23
Thursday
Sunny
67.1°F/54.8°F
10/24
Friday
Sunny
67.2°F/51.3°F
10/25
Saturday
Cloudy
68.1°F/53.3°F
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