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Ogawamachi, Japan

Full City Profile

4.2 /5.0
A Great
28,971 Population 1,243/sq mi density
295 ft Elevation 90 meters
62°F Avg Temperature 17°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$36,200 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$106,000 home value, $530/mo rent
Ogawamachi enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 39°F in January while summers reach 84°F in July. The area gets 293 sunny days per year. Annual precipitation totals 51.6 inches. The area receives 5.4 inches of snow annually.

Temperature

39°F Jan (4°C) 84°F Jul (29°C)
Annual Average62.2°F
15% above US avg
January Average39°F (4°C)
July Average84°F (29°C)
Sunny Days293 days/yr

Geography

Elevation295 ft (90 m)
Area23.3 sq mi (60.4 km²)
Population Density1,243/sq mi
Coordinates36.0534°N, 139.2661°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 51.6"
36% above US avg
Snowfall 5.4"
Wettest Month (Sep) 7.64"
Driest Month (Dec) 1.30"

Air Quality

Earthquake History

1,876 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.6. Most recent: M4.3 on Aug 28, 2025.

Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 146 km
Feb 20, 1990 28 km E of Shimoda, Japan M6.4 150 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 113 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 122 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 108 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 138 km
Mar 11, 2011 13 km E of Arai, Japan M6.2 133 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 128 km
May 4, 2014 31 km ESE of It?, Japan M6.0 128 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 107 km
Mar 11, 2011 4 km ESE of Hasaki, Japan M6.0 150 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 135 km
Apr 10, 2005 near the east coast of Honshu, Japan M5.9 114 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 141 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 89 km
Feb 1, 1992 4 km SSE of Miura, Japan M5.8 111 km
Feb 25, 2013 29 km NE of Numata, Japan M5.8 88 km
Apr 16, 2011 6 km ENE of Tanuma, Japan M5.8 50 km
May 20, 2011 3 km NNE of Hasaki, Japan M5.8 146 km
Apr 29, 2012 5 km NNW of T?gane, Japan M5.8 110 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

31 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Ampil (2024).

Year Name Category Closest
2024 Ampil Category 3 266 km
2019 Faxai Category 3 84 km
2019 Hagibis Category 2 52 km
2018 Jebi Category 1 275 km
2018 Shanshan Category 1 217 km
2018 Jongdari Category 1 224 km
2016 Mindulle Category 1 196 km
2014 Phanfone Category 1 150 km
2011 Roke Category 2 18 km
2009 Krovanh Category 1 290 km
2007 Fitow Category 1 51 km
2005 Mawar Category 2 93 km
2004 Ma-on Category 3 70 km
2003 Etau Category 1 281 km
2002 Higos Category 2 60 km
2001 Danas Category 1 64 km
2000 Kirogi Category 1 154 km
1998 Vicki Category 2 174 km
1998 Stella Category 1 42 km
1996 Violet Category 1 189 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

12 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 105,385 108 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 108 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 130 km
1980 HONSHU ISLAND Earthquake 0.6 m 139 km
1978 TOKAIDO Earthquake 0.4 m 25 138 km
1990 JAPAN Earthquake 0.2 m 150 km
1855 TOKAIDO Earthquake 6,757 66 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 113 km
1633 SAGAMI BAY Earthquake 150 95 km
1257 SAGAMI BAY, JAPAN Earthquake 97 km
1241 KAMAKURA, SAGAMI BAY Earthquake 96 km
818 TOKAIDO Eruption + Earthquake 95 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Akagisan (57 km).

Name Type Elevation Last Eruption Distance
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 57 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 60 km
Asamayama Complex 2,568 m (8,425 ft) 2019 77 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 82 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 84 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 85 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 85 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 91 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 91 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 94 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 97 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 100 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 105 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 129 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 134 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 1.4 in
February 39°F (4°C) 1.9 in Coldest
March 44°F (7°C) 2.6 in
April 55°F (13°C) 3.5 in
May 63°F (17°C) 4.3 in
June 69°F (21°C) 6.5 in
July 84°F (29°C) 5.8 in Warmest
August 78°F (26°C) 7.1 in
September 71°F (22°C) 7.6 in Wettest
October 61°F (16°C) 5.3 in
November 50°F (10°C) 2.4 in
December 42°F (5°C) 1.3 in Driest

Ogawamachi has a seasonal temperature swing of 45°F / from 39°F in February to 84°F in July. Total annual precipitation is 49.7 inches, with September being the wettest month (7.6") and December the driest (1.3").

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