Seto, Japan

Full City Profile

127,327 Population 2,955/sq mi density
364 ft Elevation 111 meters
58°F Avg Temperature 15°C
Seto enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 38°F in January while summers reach 77°F in July. Annual precipitation totals 82.1 inches. The area receives 0.0 inches of snow annually.

Temperature

38°F Jan (3°C) 77°F Jul (25°C)
Annual Average58.2°F
8% above US avg
January Average38°F (3°C)
July Average77°F (25°C)

Geography

Elevation364 ft (111 m)
Area43.1 sq mi (111.6 km²)
Population Density2,955/sq mi
Coordinates35.2333°N, 137.1000°E
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 82.1"
116% above US avg
Snowfall 0.0"
Wettest Month (Jul) 11.46"
Driest Month (Dec) 2.36"

Air Quality

Earthquake History

512 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.2. Most recent: M4.1 on Aug 24, 2025.

Aug 10, 2009 8 km NE of Sagara, Japan M6.2 119 km
Jul 7, 1995 62 km SSE of Toba, Japan M6.0 140 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 135 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 145 km
Aug 1, 2011 20 km E of ?yama, Japan M5.9 139 km
May 23, 1997 38 km SSE of Tahara, Japan M5.8 102 km
Mar 16, 1997 5 km NE of Toyokawa, Japan M5.6 53 km
Nov 18, 2013 25 km SE of Toba, Japan M5.6 100 km
Jun 17, 2018 near the south coast of western Honshu, Japan M5.5 141 km
Aug 15, 1998 22 km WSW of Hotaka, Japan M5.5 125 km
Jan 18, 2003 67 km SSE of Toba, Japan M5.5 144 km
Oct 30, 2000 western Honshu, Japan M5.5 132 km
Apr 3, 2001 10 km NE of Mori, Japan M5.4 92 km
Aug 26, 2010 25 km ENE of Katsuyama, Japan M5.4 103 km
Jan 6, 2004 36 km S of Ise, Japan M5.3 126 km
May 9, 2022 7 km NE of Toba, Japan M5.3 80 km
Oct 5, 2011 24 km W of ?machi, Japan M5.3 145 km
May 19, 2020 18 km WSW of Hotaka, Japan M5.2 128 km
Oct 5, 1996 12 km NW of Kanaya, Japan M5.2 93 km
Oct 5, 2011 eastern Honshu, Japan M5.2 142 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

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

Year Name Category Closest
2023 Lan Category 1 213 km
2019 Faxai Category 4 209 km
2019 Hagibis Category 2 162 km
2018 Jebi Category 2 139 km
2018 Trami Category 1 217 km
2018 Cimaron Category 1 230 km
2018 Jongdari Category 1 82 km
2017 Lan Category 1 204 km
2017 Noru Category 1 229 km
2016 Mindulle Category 1 243 km
2014 Phanfone Category 1 89 km
2011 Roke Category 3 74 km
2011 Ma-on Category 1 293 km
2010 Chaba Category 1 299 km
2009 Melor Category 1 145 km
2008 Sinlaku Category 1 194 km
2007 Fitow Category 1 171 km
2005 Mawar Category 2 165 km
2004 Ma-on Category 4 151 km
2004 Chaba Category 1 246 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

Tsunami History

12 tsunamis recorded within 500 km. Highest wave on record: 11.0 m (36 ft).

Year Location Cause Max Wave Deaths Distance
1707 ENSHUNADA Earthquake 11.0 m 2,000 141 km
1944 OFF SOUTHEAST COAST KII PENINSULA Earthquake 10.0 m 1,223 137 km
1096 ENSHUNADA Earthquake 7.0 m - 142 km
1855 ENSHUNADA Earthquake 3.0 m - 93 km
1909 ANEGAWA, JAPAN Earthquake 1.8 m 41 75 km
1945 TOKAIDO Earthquake 1.0 m 2,306 60 km
2009 HONSHU: S COAST Earthquake 0.6 m 1 119 km
1857 TOKAIDO Earthquake - - 119 km
1708 TOKAIDO Earthquake - - 137 km
1666 AICHI PREFECTURE Earthquake - - 38 km
1589 SURUGA, JAPAN Earthquake - - 111 km
1586 ISE BAY Earthquake - 8,000 38 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

11 volcanoes within 200 km. Closest: Ontakesan (81 km).

Name Type Elevation Last Eruption Distance
Ontakesan Complex 3,067 m (10,062 ft) 2014 81 km
Norikuradake Stratovolcano(es) 3,026 m (9,928 ft) -50 105 km
Hakusan Stratovolcano 2,702 m (8,865 ft) 1659 107 km
Yakedake Stratovolcano(es) 2,455 m (8,054 ft) 1995 119 km
Washiba-Kumonotaira Shield(s) 2,924 m (9,593 ft) Unknown 138 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 146 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 148 km
Midagahara Stratovolcano 2,621 m (8,599 ft) 1839 155 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 175 km
Asamayama Complex 2,568 m (8,425 ft) 2019 183 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 186 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 38°F (3°C) 2.5 in Coldest
February 39°F (4°C) 3.3 in
March 45°F (7°C) 5.5 in
April 56°F (13°C) 8.0 in
May 64°F (18°C) 7.9 in
June 70°F (21°C) 11.1 in
July 77°F (25°C) 11.5 in Wettest
August 80°F (26°C) 9.2 in Warmest
September 73°F (23°C) 10.9 in
October 62°F (17°C) 6.1 in
November 52°F (11°C) 3.8 in
December 43°F (6°C) 2.4 in Driest

Seto has a seasonal temperature swing of 41°F / from 38°F in January to 80°F in August. Total annual precipitation is 82.1 inches, with July being the wettest month (11.5") and December the driest (2.4").

View full weather details →