Nambu, Japan

Full City Profile

7,057 Population 91/sq mi density
476 ft Elevation 145 meters
54°F Avg Temperature 12°C
Nambu experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 35°F in January while summers reach 71°F in July. Annual precipitation totals 69.1 inches. The area receives 4.8 inches of snow annually.

Temperature

35°F Jan (2°C) 71°F Jul (22°C)
Annual Average53.6°F
1% below US avg
January Average35°F (2°C)
July Average71°F (22°C)

Geography

Elevation476 ft (145 m)
Area77.5 sq mi (200.6 km²)
Population Density91/sq mi
Coordinates35.2833°N, 138.4500°E
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 69.1"
82% above US avg
Snowfall 4.8"
Wettest Month (Sep) 9.37"
Driest Month (Dec) 1.81"

Air Quality

Earthquake History

1,165 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.4. Most recent: M4.1 on Aug 23, 2025.

Feb 20, 1990 28 km E of Shimoda, Japan M6.4 97 km
Aug 10, 2009 8 km NE of Sagara, Japan M6.2 62 km
Jul 1, 2000 53 km SSE of Shimoda, Japan M6.1 134 km
Jul 15, 2000 near the south coast of Honshu, Japan M6.1 130 km
May 4, 2014 31 km ESE of It?, Japan M6.0 97 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 12 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 141 km
Aug 1, 2011 20 km E of ?yama, Japan M5.9 73 km
Oct 6, 1995 68 km S of Shimoda, Japan M5.9 147 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 47 km
May 23, 1997 38 km SSE of Tahara, Japan M5.8 135 km
Feb 1, 1992 4 km SSE of Miura, Japan M5.8 110 km
Aug 18, 2000 64 km SSE of Shimoda, Japan M5.7 145 km
Jul 27, 2000 65 km SE of Shimoda, Japan M5.6 146 km
Mar 4, 1997 9 km SSW of It?, Japan M5.6 69 km
Mar 6, 1996 13 km NNE of Gotenba, Japan M5.6 52 km
Apr 20, 2006 16 km SE of It?, Japan M5.6 84 km
Jul 23, 2000 63 km SSE of Shimoda, Japan M5.6 142 km
May 3, 1998 14 km SW of It?, Japan M5.6 67 km
Mar 16, 1997 5 km NE of Toyokawa, Japan M5.6 103 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

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

Year Name Category Closest
2025 Nakri Category 1 297 km
2024 Ampil Category 3 271 km
2019 Faxai Category 4 101 km
2019 Hagibis Category 2 79 km
2018 Jebi Category 1 260 km
2018 Shanshan Category 1 247 km
2018 Jongdari Category 1 121 km
2017 Lan Category 1 239 km
2016 Mindulle Category 1 145 km
2014 Phanfone Category 1 43 km
2013 Wipha Category 1 278 km
2011 Roke Category 3 73 km
2010 Chaba Category 1 288 km
2009 Melor Category 1 221 km
2009 Krovanh Category 1 239 km
2008 Sinlaku Category 1 244 km
2007 Fitow Category 1 68 km
2005 Mawar Category 2 80 km
2004 Ma-on Category 4 58 km
2003 Etau Category 1 207 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 98 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 139 km
1707 ENSHUNADA Earthquake 11.0 m 2,000 144 km
1498 ENSHUNADA SEA Earthquake 10.0 m 5,000 146 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 98 km
1855 ENSHUNADA Earthquake 3.0 m - 117 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m - 105 km
1945 TOKAIDO Earthquake 1.0 m 2,306 131 km
2009 HONSHU: S COAST Earthquake 0.6 m 1 62 km
1980 HONSHU ISLAND Earthquake 0.6 m - 85 km
1978 TOKAIDO Earthquake 0.4 m 25 91 km
1974 TOKAIDO Earthquake 0.2 m 30 79 km
1990 JAPAN Earthquake 0.2 m - 97 km
2000 HONSHU: S COAST Earthquake 0.1 m - 130 km
2000 KOZU-SHIMA ISLAND, HONSHU Earthquake 0.1 m 1 134 km
1857 TOKAIDO Earthquake - - 56 km
1855 TOKAIDO Earthquake - 6,757 129 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake - - 115 km
1633 SAGAMI BAY Earthquake - 150 69 km
1589 SURUGA, JAPAN Earthquake - - 58 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Fujisan (27 km).

Name Type Elevation Last Eruption Distance
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 27 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 52 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 73 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 90 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 106 km
Ontakesan Complex 3,067 m (10,062 ft) 2014 111 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 114 km
Norikuradake Stratovolcano(es) 3,026 m (9,928 ft) -50 122 km
Niijima Lava dome(s) 432 m (1,417 ft) 886 124 km
Asamayama Complex 2,568 m (8,425 ft) 2019 125 km
Yakedake Stratovolcano(es) 2,455 m (8,054 ft) 1995 131 km
Kozushima Lava dome(s) 572 m (1,877 ft) 838 135 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 138 km
Washiba-Kumonotaira Shield(s) 2,924 m (9,593 ft) Unknown 147 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 149 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 35°F (2°C) 2.0 in Coldest
February 35°F (2°C) 2.8 in
March 41°F (5°C) 4.9 in
April 51°F (11°C) 6.1 in
May 59°F (15°C) 6.3 in
June 65°F (18°C) 9.3 in
July 71°F (22°C) 7.8 in
August 74°F (23°C) 9.1 in Warmest
September 67°F (20°C) 9.4 in Wettest
October 57°F (14°C) 6.2 in
November 48°F (9°C) 3.4 in
December 40°F (4°C) 1.8 in Driest

Nambu has a seasonal temperature swing of 39°F / from 35°F in January to 74°F in August. Total annual precipitation is 69.1 inches, with September being the wettest month (9.4") and December the driest (1.8").

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