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Ōtsu, Japan

Full City Profile

4.2 /5.0
A Great
345,070 Population 1,926/sq mi density
430 ft Elevation 131 meters
57°F Avg Temperature 14°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$33,800 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$88,000 home value, $440/mo rent
Ōtsu enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 37°F in January while summers reach 77°F in July. The area gets 222 sunny days per year. Annual precipitation totals 63.0 inches. The area receives 0.0 inches of snow annually.

Temperature

37°F Jan (3°C) 77°F Jul (25°C)
Annual Average57.0°F
6% above US avg
January Average37°F (3°C)
July Average77°F (25°C)
Sunny Days222 days/yr

Geography

Elevation430 ft (131 m)
Area179.2 sq mi (464.1 km²)
Population Density1,926/sq mi
Coordinates35.0000°N, 135.8667°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 63.0"
66% above US avg
Snowfall 0.0"
Wettest Month (Jun) 9.29"
Driest Month (Dec) 1.89"

Air Quality

Earthquake History

426 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.9. Most recent: M4.1 on Aug 24, 2025.

Jan 16, 1995 8 km S of Akashi, Japan M6.9 90 km
Apr 11, 1990 11 km ENE of Maizuru, Japan M6.1 65 km
Jun 1, 1998 17 km SW of Owase, Japan M5.8 119 km
Aug 7, 1992 21 km N of Miyazu, Japan M5.8 104 km
Apr 12, 2013 6 km WNW of Sumoto, Japan M5.8 118 km
Aug 20, 1999 22 km SE of Kainan, Japan M5.7 117 km
Mar 16, 1997 5 km NE of Toyokawa, Japan M5.6 145 km
Nov 18, 2013 25 km SE of Toba, Japan M5.6 131 km
Oct 30, 2000 western Honshu, Japan M5.5 84 km
Jun 17, 2018 near the south coast of western Honshu, Japan M5.5 29 km
Aug 1, 2007 42 km ESE of Owase, Japan M5.5 140 km
Apr 21, 2000 27 km NNE of Maizuru, Japan M5.5 82 km
Sep 24, 2003 5 km WNW of Ayabe, Japan M5.4 71 km
Aug 26, 2010 25 km ENE of Katsuyama, Japan M5.4 149 km
Jan 11, 2001 15 km E of Tottori, Japan M5.3 143 km
May 9, 2022 7 km NE of Toba, Japan M5.3 107 km
Jan 6, 2004 36 km S of Ise, Japan M5.3 120 km
Jan 30, 1996 67 km NNE of Miyazu, Japan M5.2 134 km
Apr 22, 1998 18 km SE of Hikone, Japan M5.2 53 km
Apr 15, 2007 11 km ENE of Ueno-ebisumachi, Japan M5.1 40 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

47 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Lan (2023).

Year Name Category Closest
2023 Lan Category 2 145 km
2019 Hagibis Category 2 258 km
2018 Jebi Category 3 61 km
2018 Trami Category 1 138 km
2018 Cimaron Category 1 115 km
2018 Jongdari Category 1 126 km
2017 Lan Category 1 216 km
2017 Noru Category 1 132 km
2015 Nangka Category 1 265 km
2014 Phanfone Category 1 144 km
2012 Jelawat Category 1 281 km
2011 Roke Category 3 149 km
2011 Ma-on Category 1 194 km
2009 Melor Category 1 130 km
2008 Sinlaku Category 1 192 km
2007 Fitow Category 1 274 km
2005 Mawar Category 2 239 km
2004 Ma-on Category 4 236 km
2004 Songda Category 1 276 km
2004 Chaba Category 1 168 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

11 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).

Year Location Cause Max Wave Deaths Distance
1927 SW. HONSHU ISLAND Eruption + Earthquake 11.3 m 3,022 96 km
1510 OSAKA BAY Earthquake 2.0 m 62 km
1909 ANEGAWA, JAPAN Earthquake 1.8 m 41 59 km
1945 TOKAIDO Earthquake 1.0 m 2,306 126 km
1995 KOBE, JAPAN Earthquake 0.3 m 6,434 86 km
1791 OASAKA BAY Earthquake 70 km
1726 KATSUYAMA Earthquake 145 km
1666 AICHI PREFECTURE Earthquake 85 km
1586 ISE BAY Earthquake 8,000 85 km
745 OSAKA BAY, JAPAN Earthquake 68 km
701 SEA OF JAPAN Earthquake 89 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Hakusan (152 km).

Name Type Elevation Last Eruption Distance
Hakusan Stratovolcano 2,702 m (8,865 ft) 1659 152 km
Ontakesan Complex 3,067 m (10,062 ft) 2014 177 km
Norikuradake Stratovolcano(es) 3,026 m (9,928 ft) -50 196 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 37°F (3°C) 2.3 in Coldest
February 38°F (3°C) 2.8 in
March 43°F (6°C) 4.3 in
April 54°F (12°C) 5.8 in
May 62°F (17°C) 6.1 in
June 69°F (21°C) 9.3 in Wettest
July 77°F (25°C) 8.6 in
August 79°F (26°C) 6.0 in Warmest
September 71°F (22°C) 8.0 in
October 61°F (16°C) 4.8 in
November 51°F (10°C) 3.0 in
December 42°F (5°C) 1.9 in Driest

Ōtsu has a seasonal temperature swing of 42°F / from 37°F in January to 79°F in August. Total annual precipitation is 62.9 inches, with June being the wettest month (9.3") and December the driest (1.9").

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