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Otsu

Otsu 1
Travel guide
1
Travel guide

Top 10 things to do in Otsu

Featured activity reviews in Otsu

Best time to visit Otsu

Data source:Meteostat
Last updated:2025-09

Weather in Otsu throughout the year

  • Spring (March–May): Average 50–66°F, mild climate but with relatively high rainfall, especially frequent in April and May. Common activities: Flower viewing, Lake Biwa cruises. Recommended clothing: Light jacket, long-sleeved shirts.
  • Summer (June–August): Average 74–85°F, hot and humid with frequent rainfall, especially from June to August. Common activities: Swimming, water sports, visiting summer resorts. Recommended clothing: Light and breathable clothing, short sleeves, shorts, sun protection clothing.
  • Autumn (September–November): Average 66–80°F, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Hiking, autumn foliage viewing, outdoor excursions. Recommended clothing: Long-sleeved shirts, light jacket.
  • Winter (December–February): Average 41–44°F, cold and dry with low rainfall. Common activities: Skiing (requires travel to mountainous areas), onsen experience. Recommended clothing: Warm jacket, sweater, scarf, gloves.

Weather in Otsu

Annual average temperature: approx. 63.0°F / Annual rainfall: approx. 1656 mm / Summer humidity: 70%–80% / Rainiest month: August

Otsu weather by month

Month
Temperature (°F)
Rainfall (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

7-day weather forecast for Otsu

11/6
Friday
Patchy rain nearby
68°F/54.6°F
11/7
Saturday
Sunny
59.3°F/48°F
11/8
Sunday
Overcast
56.2°F/47.7°F
11/9
Monday
Overcast
63°F/47.6°F
11/10
Tuesday
Sunny
55.7°F/44.1°F
11/11
Wednesday
Sunny
58.9°F/38.8°F
11/12
Thursday
Sunny
61.5°F/46.6°F