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Tachikawa, Japan

Full City Profile

4.1 /5.0
A Great
183,581 Population 12,404/sq mi density
305 ft Elevation 93 meters
62°F Avg Temperature 17°C
A
Overall
4.1 / 5.0
Strong
B+
Economy
3.5 / 5.0
$45,800 median income, 2.7% unemployment
A+
Affordability
4.6 / 5.0
$166,000 home value, $830/mo rent
Tachikawa enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 40°F in January while summers reach 81°F in July. The area gets 288 sunny days per year. Annual precipitation totals 59.7 inches. The area receives 2.5 inches of snow annually.

Temperature

40°F Jan (5°C) 81°F Jul (27°C)
Annual Average62.0°F
15% above US avg
January Average40°F (5°C)
July Average81°F (27°C)
Sunny Days288 days/yr

Geography

Elevation305 ft (93 m)
Area14.8 sq mi (38.3 km²)
Population Density12,404/sq mi
Coordinates35.7091°N, 139.4189°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 59.7"
57% above US avg
Snowfall 2.5"
Wettest Month (Sep) 8.15"
Driest Month (Jan) 1.69"

Air Quality

Earthquake History

1,932 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 M6.4 113 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 86 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 139 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 110 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 96 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 81 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 102 km
Aug 6, 1991 19 km E of Hasaki, Japan M6.0 147 km
May 4, 2014 31 km ESE of It?, Japan M6.0 89 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 90 km
Mar 11, 2011 4 km ESE of Hasaki, Japan M6.0 132 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 115 km
Aug 1, 2011 20 km E of ?yama, Japan M5.9 150 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 115 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 56 km
Apr 10, 2005 near the east coast of Honshu, Japan M5.9 90 km
Apr 16, 2011 6 km ENE of Tanuma, Japan M5.8 77 km
Feb 1, 1992 4 km SSE of Miura, Japan M5.8 70 km
Jun 6, 2009 28 km SSE of Hasaki, Japan M5.8 138 km
Feb 25, 2013 29 km NE of Numata, Japan M5.8 127 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2024 Ampil Category 3 232 km
2024 Jebi Category 1 272 km
2019 Faxai Category 3 49 km
2019 Hagibis Category 2 12 km
2018 Jongdari Category 2 190 km
2018 Shanshan Category 1 183 km
2016 Lionrock Category 1 288 km
2016 Mindulle Category 1 157 km
2014 Phanfone Category 1 129 km
2011 Roke Category 2 29 km
2009 Krovanh Category 1 250 km
2007 Fitow Category 1 23 km
2005 Saola Category 2 289 km
2005 Mawar Category 2 56 km
2004 Ma-on Category 3 37 km
2003 Etau Category 1 291 km
2002 Higos Category 2 48 km
2001 Vipa Category 1 273 km
2001 Danas Category 1 45 km
2000 Kirogi Category 1 125 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 68 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 117 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 68 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 137 km
1670 BOSO, JAPAN Earthquake 2.0 m 145 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 90 km
1980 HONSHU ISLAND Earthquake 0.6 m 103 km
1978 TOKAIDO Earthquake 0.4 m 25 101 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 115 km
1974 TOKAIDO Earthquake 0.2 m 30 140 km
1990 JAPAN Earthquake 0.2 m 113 km
1857 TOKAIDO Earthquake 143 km
1855 TOKAIDO Earthquake 6,757 35 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 72 km
1642 BOSO, JAPAN Earthquake 121 km
1633 SAGAMI BAY Earthquake 150 60 km
1602 BOSO, JAPAN Eruption + Earthquake 119 km
1589 SURUGA, JAPAN Earthquake 150 km
1257 SAGAMI BAY, JAPAN Earthquake 57 km
1241 KAMAKURA, SAGAMI BAY Earthquake 57 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Hakoneyama (64 km).

Name Type Elevation Last Eruption Distance
Hakoneyama Complex 1,438 m (4,718 ft) 2015 64 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 74 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 95 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 97 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 100 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 108 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 110 km
Asamayama Complex 2,568 m (8,425 ft) 2019 112 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 118 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 121 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 121 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 129 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 133 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 136 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 136 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 40°F (5°C) 1.7 in Driest
February 40°F (4°C) 2.1 in Coldest
March 46°F (8°C) 3.5 in
April 56°F (13°C) 4.2 in
May 64°F (18°C) 5.5 in
June 70°F (21°C) 7.6 in
July 81°F (27°C) 6.4 in Warmest
August 79°F (26°C) 7.7 in
September 72°F (22°C) 8.2 in Wettest
October 62°F (17°C) 6.9 in
November 52°F (11°C) 3.0 in
December 43°F (6°C) 1.8 in

Tachikawa has a seasonal temperature swing of 41°F / from 40°F in February to 81°F in July. Total annual precipitation is 58.4 inches, with September being the wettest month (8.2") and January the driest (1.7").

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