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Nanyō, Japan

Full City Profile

4.1 /5.0
A Great
30,420 Population 362/sq mi density
696 ft Elevation 212 meters
52°F Avg Temperature 11°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.1 / 5.0
$26,800 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$64,000 home value, $320/mo rent
Nanyō experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 29°F in January while summers reach 73°F in July. The area gets 237 sunny days per year. Annual precipitation totals 54.5 inches. The area receives 12.5 inches of snow annually.

Temperature

29°F Jan (-1°C) 73°F Jul (23°C)
Annual Average51.8°F
4% below US avg
January Average29°F (-1°C)
July Average73°F (23°C)
Sunny Days237 days/yr

Geography

Elevation696 ft (212 m)
Area84.1 sq mi (217.9 km²)
Population Density362/sq mi
Coordinates38.0432°N, 140.1128°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 54.5"
44% above US avg
Snowfall 12.5"
Wettest Month (Jul) 6.42"
Driest Month (Apr) 3.35"

Air Quality

Earthquake History

1,410 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.3. Most recent: M4.1 on Aug 23, 2025.

Mar 16, 2022 57 km ENE of Namie, Japan M7.3 134 km
Apr 7, 2011 29 km ESE of Ishinomaki, Japan M7.1 132 km
Mar 20, 2021 30 km E of Ishinomaki, Japan M7.0 142 km
Jun 13, 2008 24 km WSW of Mizusawa, Japan M6.9 129 km
May 1, 2021 30 km SSE of Onagawa Ch?, Japan M6.9 131 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 119 km
Mar 14, 2010 59 km ENE of Namie, Japan M6.5 134 km
Jun 18, 2019 31 km WSW of Tsuruoka, Japan M6.4 86 km
Jul 24, 2011 43 km NE of Namie, Japan M6.3 117 km
Mar 11, 2011 30 km NNE of Namie, Japan M6.3 101 km
Aug 4, 2019 61 km ENE of Namie, Japan M6.3 135 km
Jul 30, 2011 13 km SSE of Iwaki, Japan M6.3 143 km
Aug 19, 2011 61 km ENE of Namie, Japan M6.2 141 km
Mar 12, 2011 55 km SE of Ishinomaki, Japan M6.1 141 km
May 13, 2011 31 km ESE of Namie, Japan M6.1 130 km
Mar 12, 2011 29 km SSE of Namie, Japan M6.1 128 km
Jul 25, 2003 7 km NW of Matsushima, Japan M6.1 88 km
May 18, 2013 50 km NE of Namie, Japan M6.0 124 km
Mar 11, 2011 17 km ESE of Namie, Japan M6.0 116 km
Aug 10, 1996 25 km NE of Shinj?, Japan M6.0 103 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

16 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 2. Most recent: Faxai (2019).

Year Name Category Closest
2019 Faxai Category 2 197 km
2019 Hagibis Category 1 132 km
2011 Roke Category 1 252 km
2007 Fitow Category 1 284 km
2005 Mawar Category 2 241 km
2004 Ma-on Category 2 185 km
2002 Higos Category 1 63 km
2001 Danas Category 1 185 km
2000 Kirogi Category 1 168 km
1998 Vicki Category 2 80 km
1998 Stella Category 1 208 km
1996 Violet Category 1 256 km
1995 Ryan Category 1 262 km
1993 Vernon Category 1 154 km
1981 Thad Category 1 227 km
1981 Gay Category 1 276 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

12 tsunamis recorded within 500 km. Highest wave on record: 9.0 m (30 ft).

Year Location Cause Max Wave Deaths Distance
1833 NW. HONSHU ISLAND Earthquake 9.0 m 85 127 km
1964 NW. HONSHU ISLAND Earthquake 5.8 m 36 86 km
2008 ARATOZAWA, JAPAN Eruption + Earthquake 2.5 m 23 129 km
2016 E. COAST HONSHU ISLAND Earthquake 1.4 m 133 km
1804 NW. HONSHU ISLAND Earthquake 1.0 m 450 113 km
2022 OFF FUKUSHIMA PREFECTURE Earthquake 0.3 m 4 134 km
2019 NIIGATA Earthquake 0.1 m 87 km
2021 OFF FUKUSHIMA PREFECTURE Earthquake 0.1 m 1 147 km
2011 E. COAST HONSHU ISLAND Earthquake 0.1 m 3 132 km
1894 YAMAGATA, JAPAN Earthquake 726 99 km
1762 NW. HONSHU ISLAND Earthquake 124 km
850 NW. HONSHU ISLAND Eruption + Earthquake 108 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Zaozan [Zaosan] (31 km).

Name Type Elevation Last Eruption Distance
Zaozan [Zaosan] Complex 1,841 m (6,040 ft) 1940 31 km
Azumayama Stratovolcano(es) 1,949 m (6,394 ft) 1977 36 km
Adatarayama Stratovolcano(es) 1,728 m (5,669 ft) 1996 47 km
Bandaisan Stratovolcano 1,816 m (5,958 ft) 1888 49 km
Numazawa Shield 835 m (2,740 ft) -3400 82 km
Naruko Caldera 470 m (1,542 ft) 837 94 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 103 km
Chokaisan Stratovolcano(es) 2,236 m (7,336 ft) 1974 118 km
Kurikomayama Stratovolcano 1,627 m (5,338 ft) 1950 118 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 131 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 141 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 149 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 152 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 153 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 184 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 29°F (-1°C) 4.4 in Coldest
February 30°F (-1°C) 3.5 in
March 36°F (2°C) 3.4 in
April 49°F (9°C) 3.4 in Driest
May 59°F (15°C) 3.4 in
June 67°F (19°C) 4.8 in
July 73°F (23°C) 6.4 in Wettest
August 76°F (24°C) 5.9 in Warmest
September 67°F (20°C) 5.9 in
October 56°F (13°C) 4.5 in
November 45°F (7°C) 4.4 in
December 35°F (2°C) 4.6 in

Nanyō has a seasonal temperature swing of 46°F / from 29°F in January to 76°F in August. Total annual precipitation is 54.5 inches, with July being the wettest month (6.4") and April the driest (3.4").

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