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Kōchi, Japan

Full City Profile

4.2 /5.0
A Great
7,203 Population 185/sq mi density
144 ft Elevation 44 meters
59°F Avg Temperature 15°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$33,100 median income, 2.2% unemployment
A+
Affordability
5.0 / 5.0
$84,000 home value, $420/mo rent
Kōchi enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 42°F in January while summers reach 74°F in July. The area gets 190 sunny days per year. Annual precipitation totals 80.2 inches. The area receives 0.0 inches of snow annually.

Temperature

42°F Jan (6°C) 74°F Jul (23°C)
Annual Average58.6°F
9% above US avg
January Average42°F (6°C)
July Average74°F (23°C)
Sunny Days190 days/yr

Geography

Elevation144 ft (44 m)
Area38.9 sq mi (100.7 km²)
Population Density185/sq mi
Coordinates34.7001°N, 138.9374°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 80.2"
111% above US avg
Snowfall 0.0"
Wettest Month (Jun) 10.43"
Driest Month (Dec) 2.76"

Air Quality

Earthquake History

1,640 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.5. Most recent: M4.1 on Aug 23, 2025.

Jul 30, 2000 94 km SSE of Shimoda, Japan M6.5 98 km
Sep 3, 1991 115 km S of Shimoda, Japan M6.4 118 km
Feb 20, 1990 28 km E of Shimoda, Japan M6.4 29 km
Aug 10, 2009 8 km NE of Sagara, Japan M6.2 62 km
Jul 15, 2000 near the south coast of Honshu, Japan M6.1 52 km
Jul 1, 2000 53 km SSE of Shimoda, Japan M6.1 56 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 71 km
May 4, 2014 31 km ESE of It?, Japan M6.0 50 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 35 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 130 km
Oct 6, 1995 68 km S of Shimoda, Japan M5.9 71 km
Aug 1, 2011 20 km E of ?yama, Japan M5.9 47 km
Jul 8, 2000 71 km SSE of Shimoda, Japan M5.9 74 km
May 23, 1997 38 km SSE of Tahara, Japan M5.8 138 km
Feb 1, 1992 4 km SSE of Miura, Japan M5.8 79 km
Jul 2, 2000 71 km SSE of Shimoda, Japan M5.7 74 km
Sep 20, 2003 12 km SSE of Kamogawa, Japan M5.7 117 km
Jul 30, 2000 90 km SSE of Shimoda, Japan M5.7 93 km
Aug 18, 2000 64 km SSE of Shimoda, Japan M5.7 68 km
May 3, 1998 14 km SW of It?, Japan M5.6 19 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

50 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Halong (2025).

Year Name Category Closest
2025 Halong Category 4 237 km
2025 Nakri Category 1 218 km
2024 Ampil Category 3 198 km
2024 Jebi Category 1 286 km
2019 Faxai Category 4 33 km
2019 Hagibis Category 2 24 km
2018 Jongdari Category 2 81 km
2018 Shanshan Category 1 198 km
2017 Lan Category 2 216 km
2016 Mindulle Category 1 68 km
2014 Phanfone Category 1 54 km
2013 Wipha Category 1 212 km
2011 Roke Category 3 106 km
2010 Chaba Category 1 233 km
2009 Melor Category 1 228 km
2009 Krovanh Category 1 160 km
2008 Sinlaku Category 1 230 km
2007 Fitow Category 1 12 km
2005 Saola Category 2 240 km
2005 Mawar Category 2 19 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 tsunamis recorded within 500 km. Highest wave on record: 21.0 m (69 ft).

Year Location Cause Max Wave Deaths Distance
1854 ENSHUNADA SEA Earthquake 21.0 m 1,000 123 km
1923 SAGAMI BAY Earthquake 13.0 m 105,385 68 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 79 km
1707 ENSHUNADA Earthquake 11.0 m 2,000 124 km
1498 ENSHUNADA SEA Earthquake 10.0 m 5,000 109 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 68 km
1855 ENSHUNADA Earthquake 3.0 m 124 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 56 km
2009 HONSHU: S COAST Earthquake 0.6 m 1 62 km
1980 HONSHU ISLAND Earthquake 0.6 m 25 km
1978 TOKAIDO Earthquake 0.4 m 25 32 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 117 km
1974 TOKAIDO Earthquake 0.2 m 30 24 km
1982 S. OF HONSHU ISLAND Earthquake 0.2 m 107 km
1990 JAPAN Earthquake 0.2 m 29 km
2000 HONSHU: S COAST Earthquake 0.1 m 98 km
2000 HONSHU: S COAST Earthquake 0.1 m 52 km
2000 KOZU-SHIMA ISLAND, HONSHU Earthquake 0.1 m 1 56 km
1857 TOKAIDO Earthquake 59 km
1855 TOKAIDO Earthquake 6,757 132 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

14 volcanoes within 200 km. Closest: Izu-Tobu (27 km).

Name Type Elevation Last Eruption Distance
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 27 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 37 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 42 km
Niijima Lava dome(s) 432 m (1,417 ft) 886 45 km
Kozushima Lava dome(s) 572 m (1,877 ft) 838 57 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 60 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 76 km
Miyakejima Stratovolcano 775 m (2,543 ft) 2010 86 km
Mikurajima Stratovolcano 851 m (2,792 ft) -4100 110 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 164 km
Ontakesan Complex 3,067 m (10,062 ft) 2014 187 km
Hachijojima Stratovolcano(es) 854 m (2,802 ft) 1606 190 km
Asamayama Complex 2,568 m (8,425 ft) 2019 193 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 198 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 2.9 in
February 42°F (6°C) 3.6 in Coldest
March 47°F (8°C) 6.1 in
April 55°F (13°C) 7.0 in
May 62°F (17°C) 7.4 in
June 68°F (20°C) 10.4 in Wettest
July 74°F (23°C) 8.2 in
August 77°F (25°C) 9.5 in Warmest
September 72°F (22°C) 9.8 in
October 63°F (17°C) 7.6 in
November 55°F (13°C) 4.9 in
December 47°F (8°C) 2.8 in Driest

Kōchi has a seasonal temperature swing of 35°F / from 42°F in February to 77°F in August. Total annual precipitation is 80.2 inches, with June being the wettest month (10.4") and December the driest (2.8").

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