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Hongō, Japan

Full City Profile

4.2 /5.0
A Great
13,803 Population 393/sq mi density
10 ft Elevation 3 meters
60°F Avg Temperature 15°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
Hongō enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 42°F in January while summers reach 75°F in July. The area gets 224 sunny days per year. Annual precipitation totals 61.9 inches. The area receives 0.0 inches of snow annually.

Temperature

42°F Jan (5°C) 75°F Jul (24°C)
Annual Average59.6°F
10% above US avg
January Average42°F (5°C)
July Average75°F (24°C)
Sunny Days224 days/yr

Geography

Elevation10 ft (3 m)
Area35.2 sq mi (91.0 km²)
Population Density393/sq mi
Coordinates35.4180°N, 140.3528°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 61.9"
63% above US avg
Snowfall 0.0"
Wettest Month (Oct) 8.11"
Driest Month (Dec) 2.48"

Air Quality

Earthquake History

2,929 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 M7.9 118 km
May 7, 2008 78 km NE of Hasaki, Japan M6.9 135 km
Mar 11, 2011 81 km NE of Hasaki, Japan M6.5 137 km
Feb 20, 1990 28 km E of Shimoda, Japan M6.4 128 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 12 km
Mar 11, 2011 92 km ENE of Hasaki, Japan M6.3 146 km
May 7, 2008 80 km NE of Hasaki, Japan M6.2 137 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 20 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 18 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 55 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 18 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 20 km
Nov 20, 1996 115 km SE of Katsuura, Japan M6.1 138 km
Sep 15, 2011 68 km E of ?arai, Japan M6.1 129 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 119 km
Mar 13, 2011 72 km E of Hasaki, Japan M6.1 121 km
Jun 5, 2012 75 km ESE of ?hara, Japan M6.1 88 km
Mar 11, 2011 4 km ESE of Hasaki, Japan M6.0 57 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 43 km
Aug 6, 1991 19 km E of Hasaki, Japan M6.0 71 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Halong Category 3 278 km
2025 Nakri Category 1 238 km
2024 Ampil Category 3 146 km
2024 Jebi Category 1 182 km
2021 Mindulle Category 1 254 km
2019 Faxai Category 4 42 km
2019 Hagibis Category 2 89 km
2018 Jongdari Category 2 180 km
2018 Shanshan Category 1 97 km
2016 Mindulle Category 1 147 km
2016 Lionrock Category 1 210 km
2014 Phanfone Category 1 187 km
2011 Roke Category 1 117 km
2009 Krovanh Category 1 217 km
2007 Fitow Category 1 106 km
2005 Saola Category 2 206 km
2005 Mawar Category 2 32 km
2004 Ma-on Category 4 54 km
2003 Choi-wan Category 3 223 km
2002 Higos Category 2 67 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 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 85 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 94 km
1677 OFF SE. BOSO PENINSULA Earthquake 8.0 m 500 114 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 85 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 47 km
1670 BOSO, JAPAN Earthquake 2.0 m 59 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 97 km
1980 HONSHU ISLAND Earthquake 0.6 m 126 km
1982 IBARAKI, JAPAN Earthquake 0.4 m 149 km
1923 KASHIMA, JAPAN Earthquake 0.4 m 131 km
1978 TOKAIDO Earthquake 0.4 m 25 120 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 59 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 134 km
1990 JAPAN Earthquake 0.2 m 128 km
1909 OFF BOSO PENINSULA Earthquake 146 km
1909 OFF BOSO PENINSULA Earthquake 146 km
1855 TOKAIDO Earthquake 6,757 56 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 69 km
1642 BOSO, JAPAN Earthquake 33 km
1633 SAGAMI BAY Earthquake 150 107 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Izu-Oshima (117 km).

Name Type Elevation Last Eruption Distance
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 117 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 123 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 128 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 140 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 147 km
Niijima Lava dome(s) 432 m (1,417 ft) 886 151 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 164 km
Miyakejima Stratovolcano 775 m (2,543 ft) 2010 166 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 169 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 171 km
Kozushima Lava dome(s) 572 m (1,877 ft) 838 173 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 173 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 177 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 179 km
Mikurajima Stratovolcano 851 m (2,792 ft) -4100 185 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (5°C) 2.5 in Coldest
February 42°F (6°C) 3.4 in
March 48°F (9°C) 5.1 in
April 57°F (14°C) 5.2 in
May 64°F (18°C) 5.4 in
June 69°F (21°C) 7.1 in
July 75°F (24°C) 4.8 in
August 79°F (26°C) 5.2 in Warmest
September 74°F (23°C) 8.0 in
October 64°F (18°C) 8.1 in Wettest
November 55°F (13°C) 4.7 in
December 46°F (8°C) 2.5 in Driest

Hongō has a seasonal temperature swing of 37°F / from 42°F in January to 79°F in August. Total annual precipitation is 61.9 inches, with October being the wettest month (8.1") and December the driest (2.5").

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