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Otsu

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Travel Info

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Otsu Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Otsu year round climate

  • Spring (March–May): Average 10.5–19.3°C, 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 23.7–29.5°C, 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 19.1–27.1°C, 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 5.1–7.2°C, cold and dry with low rainfall. Common activities: Skiing (requires travel to mountainous areas), onsen experience. Recommended clothing: Warm jacket, sweater, scarf, gloves.

Otsu climatological average

Annual average temperature: approx. 17.2°C / Annual rainfall: approx. 1656 mm / Summer humidity: 70%–80% / Rainiest month: August

Otsu 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

Otsu weather for the next seven days

3/17
Tuesday
Sunny
14.1°C/3.1°C
3/18
Wednesday
Moderate rain
15.7°C/3.5°C
3/19
Thursday
Moderate rain
12.6°C/6°C
3/20
Friday
Partly Cloudy
14°C/3.4°C
3/21
Saturday
Sunny
14.3°C/2°C
3/22
Sunday
Partly Cloudy
15.6°C/3.4°C
3/23
Monday
Patchy rain nearby
9.6°C/7.7°C

Otsu Frequently Asked Questions and Useful Information for Travel

What does the name 'Otsu' mean?

While the word 'Otsu' has several meanings in Japanese, it's most commonly associated with the city of Otsu in Japan. In a colloquial sense, 'otsukaresama' (a related phrase) is used to express appreciation for someone's hard work, similar to 'good job' or 'thank you for your efforts'. In other contexts, 'Otsu' can refer to a second option or be used descriptively for things that are quaint or stylish.

What is Otsu, Japan known for?

Otsu, Japan is renowned as a historic center for Japanese Buddhism. It is the head temple of the Tendai school and boasts over 1,200 years of history. Mt. Hiei, overlooking Otsu, is considered the 'mother mountain' of Japanese Buddhism because many founders of other Buddhist sects received their training there.

Is Otsu worth visiting?

Absolutely, Otsu is a worthwhile destination offering a rich blend of culture, history, and natural beauty. The city is situated on the southern shores of Lake Biwa, Japan's largest freshwater lake, providing a scenic backdrop for exploring its many attractions.

What are some key attractions in Otsu?

Otsu is home to significant historical and cultural sites, most notably Enryaku-ji Temple on Mt. Hiei, a UNESCO World Heritage site and the head temple of the Tendai school of Buddhism. The city also offers beautiful views of Lake Biwa and access to its surrounding natural landscapes.

Can you explain the cultural significance of 'Otsukare' in Japan?

The phrase 'otsukare' is a shortened form of 'otsukaresama', which literally means 'you must be tired'. Culturally, it's a polite and common way to acknowledge and appreciate someone's hard work and efforts, essentially saying 'good work' or 'thank you for your contribution'. It's a phrase used frequently in daily life and work environments.