Spring (March–May): Average 10.5–19.3°C, 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 23.7–29.5°C, 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 19.1–27.1°C, 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 5.1–7.2°C, 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. 17°C / Annual rainfall: approx. 1656 mm / Summer humidity: 70%–80% / Rainiest month: August
Biwako Conduit monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
5.1°C
47.4
February
6.1°C
72.5
March
10.5°C
131.3
April
16.4°C
182.2
May
19.3°C
199.8
June
23.7°C
248.8
July
28.9°C
176
August
29.5°C
254.7
September
27.1°C
127.3
October
19.1°C
105.2
November
13.9°C
91.9
December
7.2°C
19.2
Biwako Conduit weather for the next seven days
10/19
Sunday
Moderate rain
21.4°C/17.7°C
10/20
Monday
Patchy rain nearby
21.4°C/14.5°C
10/21
Tuesday
Patchy rain nearby
18°C/12.9°C
10/22
Wednesday
Partly Cloudy
17.4°C/13.5°C
10/23
Thursday
Sunny
19.5°C/12.7°C
10/24
Friday
Sunny
19.6°C/10.7°C
10/25
Saturday
Cloudy
20.1°C/11.8°C
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