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Ōuchi, Japan

Full City Profile

4.1 /5.0
A Great
6,110 Population 53/sq mi density
102 ft Elevation 31 meters
53°F Avg Temperature 12°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$31,200 median income, 2.8% unemployment
A+
Affordability
5.0 / 5.0
$82,000 home value, $410/mo rent
Ōuchi experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 34°F in January while summers reach 72°F in July. The area gets 249 sunny days per year. Annual precipitation totals 47.8 inches. The area receives 3.5 inches of snow annually.

Temperature

34°F Jan (1°C) 72°F Jul (22°C)
Annual Average53.2°F
1% below US avg
January Average34°F (1°C)
July Average72°F (22°C)
Sunny Days249 days/yr

Geography

Elevation102 ft (31 m)
Area115.7 sq mi (299.8 km²)
Population Density53/sq mi
Coordinates37.8781°N, 140.8226°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 47.8"
26% above US avg
Snowfall 3.5"
Wettest Month (Sep) 7.13"
Driest Month (Jan) 1.50"

Air Quality

Earthquake History

3,038 earthquakes (M2.5+) within 150 km since 1990. Strongest: M9.1. Most recent: M4.9 on Aug 29, 2025.

Mar 11, 2011 2011 Great Tohoku Earthquake, Japan M9.1 144 km
Mar 16, 2022 57 km ENE of Namie, Japan M7.3 69 km
Feb 13, 2021 73 km ENE of Namie, Japan M7.1 85 km
Apr 7, 2011 29 km ESE of Ishinomaki, Japan M7.1 80 km
May 26, 2003 27 km SSW of ?funato, Japan M7.0 126 km
Mar 20, 2021 30 km E of Ishinomaki, Japan M7.0 96 km
Jul 19, 2008 107 km E of Namie, Japan M7.0 128 km
Jun 13, 2008 24 km WSW of Mizusawa, Japan M6.9 128 km
May 1, 2021 30 km SSE of Onagawa Ch?, Japan M6.9 77 km
Feb 16, 1996 123 km E of Namie, Japan M6.7 149 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 104 km
Mar 14, 2010 59 km ENE of Namie, Japan M6.5 69 km
Jun 18, 2019 31 km WSW of Tsuruoka, Japan M6.4 145 km
Aug 4, 2019 61 km ENE of Namie, Japan M6.3 70 km
Mar 11, 2011 30 km NNE of Namie, Japan M6.3 37 km
Jul 23, 2011 21 km SSE of ?funato, Japan M6.3 143 km
Jun 17, 2012 19 km SSE of ?funato, Japan M6.3 145 km
Jul 30, 2011 13 km SSE of Iwaki, Japan M6.3 105 km
Mar 11, 2011 103 km E of Namie, Japan M6.3 121 km
Jul 24, 2011 43 km NE of Namie, Japan M6.3 53 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2024 Ampil Category 3 287 km
2024 Jebi Category 1 240 km
2019 Faxai Category 2 143 km
2019 Hagibis Category 1 93 km
2016 Lionrock Category 1 271 km
2011 Roke Category 1 263 km
2007 Fitow Category 1 292 km
2005 Mawar Category 2 196 km
2004 Ma-on Category 3 134 km
2002 Higos Category 1 36 km
2001 Danas Category 1 169 km
2000 Sonamu Category 1 253 km
2000 Kirogi Category 1 104 km
1998 Vicki Category 2 142 km
1998 Stella Category 1 212 km
1996 Violet Category 1 204 km
1995 Oscar Category 3 242 km
1993 Vernon Category 1 96 km
1981 Thad Category 1 219 km
1981 Gay Category 1 223 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 tsunamis recorded within 500 km. Highest wave on record: 39.3 m (129 ft).

Year Location Cause Max Wave Deaths Distance
2011 HONSHU ISLAND Earthquake 39.3 m 18,423 144 km
1835 SANRIKU Earthquake 5.0 m 95 km
1861 OFF MIYAGI Earthquake 3.9 m 124 km
2008 ARATOZAWA, JAPAN Eruption + Earthquake 2.5 m 23 128 km
2016 E. COAST HONSHU ISLAND Earthquake 1.4 m 73 km
1938 OFF FUKUSHIMA PREFECTURE Earthquake 1.3 m 96 km
1938 OFF FUKUSHIMA PREFECTURE Earthquake 1.3 m 125 km
1897 SANRIKU Earthquake 1.0 m 98 km
1938 JAPAN TRENCH Earthquake 0.8 m 141 km
1959 SANRIKU Earthquake 0.8 m 128 km
1938 SANRIKU Earthquake 0.8 m 115 km
1936 SANRIKU Earthquake 0.7 m 126 km
1978 SANRIKU Earthquake 0.6 m 28 111 km
1938 SANRIKU Earthquake 0.6 m 1 116 km
1938 SANRIKU Earthquake 0.6 m 108 km
2022 OFF FUKUSHIMA PREFECTURE Earthquake 0.3 m 4 69 km
2008 OFF EAST COAST OF HONSHU ISLAND Earthquake 0.2 m 128 km
1933 SANRIKU Earthquake 0.2 m 140 km
2019 NIIGATA Earthquake 0.1 m 146 km
2021 OFF FUKUSHIMA PREFECTURE Earthquake 0.1 m 1 83 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

14 volcanoes within 200 km. Closest: Zaozan [Zaosan] (45 km).

Name Type Elevation Last Eruption Distance
Zaozan [Zaosan] Complex 1,841 m (6,040 ft) 1940 45 km
Azumayama Stratovolcano(es) 1,949 m (6,394 ft) 1977 53 km
Adatarayama Stratovolcano(es) 1,728 m (5,669 ft) 1996 54 km
Bandaisan Stratovolcano 1,816 m (5,958 ft) 1888 73 km
Naruko Caldera 470 m (1,542 ft) 837 95 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 113 km
Kurikomayama Stratovolcano 1,627 m (5,338 ft) 1950 121 km
Numazawa Shield 835 m (2,740 ft) -3400 121 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 143 km
Chokaisan Stratovolcano(es) 2,236 m (7,336 ft) 1974 152 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 167 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 170 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 171 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 175 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 34°F (1°C) 1.5 in Coldest, Driest
February 34°F (1°C) 2.0 in
March 39°F (4°C) 2.7 in
April 50°F (10°C) 3.5 in
May 59°F (15°C) 3.8 in
June 65°F (18°C) 5.5 in
July 72°F (22°C) 6.1 in
August 75°F (24°C) 6.4 in Warmest
September 68°F (20°C) 7.1 in Wettest
October 58°F (14°C) 4.9 in
November 47°F (8°C) 2.6 in
December 39°F (4°C) 1.8 in

Ōuchi has a seasonal temperature swing of 42°F / from 34°F in January to 75°F in August. Total annual precipitation is 47.8 inches, with September being the wettest month (7.1") and January the driest (1.5").

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