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Yamanaka, Japan

Full City Profile

4.1 /5.0
A Great
5,179 Population 194/sq mi density
3,353 ft Elevation 1,022 meters
53°F Avg Temperature 11°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$30,600 median income, 2.2% unemployment
A+
Affordability
5.0 / 5.0
$74,000 home value, $370/mo rent
Yamanaka experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 34°F in January while summers reach 70°F in July. The area gets 217 sunny days per year. Annual precipitation totals 65.6 inches. The area receives 4.3 inches of snow annually.

Temperature

34°F Jan (1°C) 70°F Jul (21°C)
Annual Average52.5°F
3% below US avg
January Average34°F (1°C)
July Average70°F (21°C)
Sunny Days217 days/yr

Geography

Elevation3,353 ft (1,022 m)
Area26.8 sq mi (69.3 km²)
Population Density194/sq mi
Coordinates35.4245°N, 138.8421°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 65.6"
73% above US avg
Snowfall 4.3"
Wettest Month (Aug) 10.04"
Driest Month (Dec) 1.69"

Air Quality

Earthquake History

1,638 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.4. Most recent: M4.3 on Aug 28, 2025.

Feb 20, 1990 28 km E of Shimoda, Japan M6.4 88 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 136 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 148 km
Aug 10, 2009 8 km NE of Sagara, Japan M6.2 92 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 134 km
Jul 1, 2000 53 km SSE of Shimoda, Japan M6.1 136 km
Jul 15, 2000 near the south coast of Honshu, Japan M6.1 129 km
May 4, 2014 31 km ESE of It?, Japan M6.0 77 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 29 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 104 km
Apr 10, 2005 near the east coast of Honshu, Japan M5.9 143 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 62 km
Aug 1, 2011 20 km E of ?yama, Japan M5.9 96 km
Apr 29, 2012 5 km NNW of T?gane, Japan M5.8 138 km
Feb 1, 1992 4 km SSE of Miura, Japan M5.8 81 km
Apr 16, 2011 6 km ENE of Tanuma, Japan M5.8 129 km
Jun 19, 2005 5 km ENE of Narut?, Japan M5.7 150 km
Aug 18, 2000 64 km SSE of Shimoda, Japan M5.7 148 km
Sep 20, 2003 12 km SSE of Kamogawa, Japan M5.7 130 km
Apr 20, 2006 16 km SE of It?, Japan M5.6 71 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Nakri Category 1 291 km
2024 Ampil Category 3 253 km
2019 Faxai Category 4 78 km
2019 Hagibis Category 2 54 km
2018 Jongdari Category 2 145 km
2018 Jebi Category 1 290 km
2018 Shanshan Category 1 217 km
2017 Lan Category 1 271 km
2016 Mindulle Category 1 139 km
2014 Phanfone Category 1 71 km
2013 Wipha Category 1 292 km
2011 Roke Category 3 62 km
2009 Melor Category 1 259 km
2009 Krovanh Category 1 235 km
2008 Sinlaku Category 1 278 km
2007 Fitow Category 1 38 km
2005 Mawar Category 2 70 km
2004 Ma-on Category 4 49 km
2003 Etau Category 1 240 km
2002 Higos Category 2 73 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 70 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 119 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 70 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 84 km
2009 HONSHU: S COAST Earthquake 0.6 m 1 92 km
1980 HONSHU ISLAND Earthquake 0.6 m 75 km
1978 TOKAIDO Earthquake 0.4 m 25 78 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 137 km
1974 TOKAIDO Earthquake 0.2 m 30 93 km
1990 JAPAN Earthquake 0.2 m 88 km
2000 HONSHU: S COAST Earthquake 0.1 m 129 km
2000 KOZU-SHIMA ISLAND, HONSHU Earthquake 0.1 m 1 136 km
1857 TOKAIDO Earthquake 85 km
1855 TOKAIDO Earthquake 6,757 90 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 86 km
1633 SAGAMI BAY Earthquake 150 41 km
1589 SURUGA, JAPAN Earthquake 91 km
1257 SAGAMI BAY, JAPAN Earthquake 65 km
1241 KAMAKURA, SAGAMI BAY Earthquake 56 km
818 TOKAIDO Eruption + Earthquake 49 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Fujisan (13 km).

Name Type Elevation Last Eruption Distance
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 13 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 27 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 63 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 87 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 93 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 108 km
Asamayama Complex 2,568 m (8,425 ft) 2019 113 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 117 km
Niijima Lava dome(s) 432 m (1,417 ft) 886 121 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 130 km
Ontakesan Complex 3,067 m (10,062 ft) 2014 134 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 136 km
Kozushima Lava dome(s) 572 m (1,877 ft) 838 137 km
Norikuradake Stratovolcano(es) 3,026 m (9,928 ft) -50 139 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 144 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 34°F (1°C) 1.9 in Coldest
February 34°F (1°C) 2.4 in
March 39°F (4°C) 4.1 in
April 50°F (10°C) 5.0 in
May 58°F (14°C) 5.7 in
June 64°F (18°C) 8.2 in
July 70°F (21°C) 7.0 in
August 72°F (22°C) 10.0 in Warmest, Wettest
September 66°F (19°C) 9.5 in
October 56°F (13°C) 6.7 in
November 48°F (9°C) 3.3 in
December 39°F (4°C) 1.7 in Driest

Yamanaka has a seasonal temperature swing of 38°F / from 34°F in January to 72°F in August. Total annual precipitation is 65.6 inches, with August being the wettest month (10.0") and December the driest (1.7").

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