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Honchō, Japan

Full City Profile

4.2 /5.0
A Great
644,668 Population 19,500/sq mi density
36 ft Elevation 11 meters
63°F Avg Temperature 17°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$35,400 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$102,000 home value, $510/mo rent
Honchō enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 42°F in January while summers reach 82°F in July. The area gets 283 sunny days per year. Annual precipitation totals 50.3 inches. The area receives 0.5 inches of snow annually.

Temperature

42°F Jan (6°C) 82°F Jul (28°C)
Annual Average63.1°F
17% above US avg
January Average42°F (6°C)
July Average82°F (28°C)
Sunny Days283 days/yr

Geography

Elevation36 ft (11 m)
Area33.1 sq mi (85.6 km²)
Population Density19,500/sq mi
Coordinates35.7013°N, 139.9865°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 50.3"
32% above US avg
Snowfall 0.5"
Wettest Month (Sep) 7.64"
Driest Month (Dec) 1.54"

Air Quality

Earthquake History

2,826 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.9. Most recent: M4.2 on Aug 29, 2025.

Mar 11, 2011 47 km E of ?arai, Japan M7.9 120 km
May 7, 2008 78 km NE of Hasaki, Japan M6.9 148 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 149 km
Feb 20, 1990 28 km E of Shimoda, Japan M6.4 129 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 38 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 62 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 88 km
May 7, 2008 80 km NE of Hasaki, Japan M6.2 150 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 32 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 46 km
Sep 15, 2011 68 km E of ?arai, Japan M6.1 136 km
Jun 5, 2012 75 km ESE of ?hara, Japan M6.1 134 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 119 km
Mar 13, 2011 72 km E of Hasaki, Japan M6.1 149 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 53 km
Aug 6, 1991 19 km E of Hasaki, Japan M6.0 96 km
Jan 9, 1995 48 km ENE of Hasaki, Japan M6.0 124 km
Mar 11, 2011 4 km ESE of Hasaki, Japan M6.0 80 km
May 4, 2014 31 km ESE of It?, Japan M6.0 102 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 64 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Nakri Category 1 281 km
2024 Ampil Category 3 192 km
2024 Jebi Category 1 225 km
2021 Mindulle Category 1 296 km
2019 Faxai Category 4 24 km
2019 Hagibis Category 2 54 km
2018 Jongdari Category 2 197 km
2018 Shanshan Category 1 142 km
2016 Mindulle Category 1 162 km
2016 Lionrock Category 1 237 km
2014 Phanfone Category 1 169 km
2011 Roke Category 2 74 km
2009 Krovanh Category 1 245 km
2007 Fitow Category 1 72 km
2005 Saola Category 2 251 km
2005 Mawar Category 2 28 km
2004 Ma-on Category 4 20 km
2003 Choi-wan Category 3 269 km
2002 Higos Category 2 23 km
2002 Phanfone Category 1 283 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

19 tsunamis recorded within 500 km. Highest wave on record: 13.0 m (43 ft).

Year Location Cause Max Wave Deaths Distance
1923 SAGAMI BAY Earthquake 13.0 m 105,385 80 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 113 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 80 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 92 km
1670 BOSO, JAPAN Earthquake 2.0 m 94 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 99 km
1980 HONSHU ISLAND Earthquake 0.6 m 123 km
1978 TOKAIDO Earthquake 0.4 m 25 119 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 91 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 127 km
1990 JAPAN Earthquake 0.2 m 129 km
1855 TOKAIDO Earthquake 6,757 18 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 72 km
1642 BOSO, JAPAN Earthquake 79 km
1633 SAGAMI BAY Earthquake 150 91 km
1602 BOSO, JAPAN Eruption + Earthquake 82 km
1257 SAGAMI BAY, JAPAN Earthquake 71 km
1241 KAMAKURA, SAGAMI BAY Earthquake 77 km
818 TOKAIDO Eruption + Earthquake 84 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Hakoneyama (102 km).

Name Type Elevation Last Eruption Distance
Hakoneyama Complex 1,438 m (4,718 ft) 2015 102 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 119 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 120 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 120 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 121 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 126 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 129 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 134 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 134 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 135 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 146 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 153 km
Asamayama Complex 2,568 m (8,425 ft) 2019 153 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 156 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 158 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 1.6 in
February 42°F (5°C) 2.3 in Coldest
March 47°F (8°C) 3.9 in
April 57°F (14°C) 4.7 in
May 65°F (18°C) 4.7 in
June 71°F (22°C) 6.5 in
July 82°F (28°C) 5.6 in Warmest
August 80°F (27°C) 5.6 in
September 74°F (23°C) 7.6 in Wettest
October 64°F (18°C) 6.5 in
November 54°F (12°C) 3.4 in
December 45°F (7°C) 1.5 in Driest

Honchō has a seasonal temperature swing of 40°F / from 42°F in February to 82°F in July. Total annual precipitation is 53.8 inches, with September being the wettest month (7.6") and December the driest (1.5").

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