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Akiruno, Japan

Full City Profile

4.1 /5.0
A Great
81,912 Population 1,837/sq mi density
535 ft Elevation 163 meters
56°F Avg Temperature 13°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
Akiruno enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 37°F in January while summers reach 74°F in July. The area gets 234 sunny days per year. Annual precipitation totals 56.3 inches. The area receives 0.0 inches of snow annually.

Temperature

37°F Jan (3°C) 74°F Jul (24°C)
Annual Average56.0°F
4% above US avg
January Average37°F (3°C)
July Average74°F (24°C)
Sunny Days234 days/yr

Geography

Elevation535 ft (163 m)
Area44.6 sq mi (115.5 km²)
Population Density1,837/sq mi
Coordinates35.7285°N, 139.2318°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 56.3"
48% above US avg
Snowfall 0.0"
Wettest Month (Sep) 8.23"
Driest Month (Jan) 1.54"

Air Quality

Earthquake History

1,665 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 M6.4 114 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 103 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 126 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 113 km
Aug 10, 2009 8 km NE of Sagara, Japan M6.2 141 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 98 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 119 km
Mar 11, 2011 4 km ESE of Hasaki, Japan M6.0 148 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 78 km
May 4, 2014 31 km ESE of It?, Japan M6.0 92 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 132 km
Aug 1, 2011 20 km E of ?yama, Japan M5.9 142 km
Apr 10, 2005 near the east coast of Honshu, Japan M5.9 107 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 107 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 73 km
May 20, 2011 3 km NNE of Hasaki, Japan M5.8 146 km
Apr 16, 2011 6 km ENE of Tanuma, Japan M5.8 82 km
Apr 29, 2012 5 km NNW of T?gane, Japan M5.8 102 km
Feb 1, 1992 4 km SSE of Miura, Japan M5.8 79 km
Feb 25, 2013 29 km NE of Numata, Japan M5.8 124 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 3 247 km
2024 Jebi Category 1 289 km
2019 Faxai Category 3 64 km
2019 Hagibis Category 2 21 km
2018 Jongdari Category 2 190 km
2018 Jebi Category 1 293 km
2018 Shanshan Category 1 199 km
2016 Mindulle Category 1 161 km
2014 Phanfone Category 1 119 km
2011 Roke Category 2 19 km
2009 Krovanh Category 1 255 km
2007 Fitow Category 1 15 km
2005 Mawar Category 2 70 km
2004 Ma-on Category 3 53 km
2003 Etau Category 1 274 km
2002 Higos Category 2 63 km
2001 Danas Category 1 61 km
2001 Vipa Category 1 286 km
2000 Kirogi Category 1 141 km
1998 Vicki Category 2 189 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 74 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 126 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 74 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 95 km
2009 HONSHU: S COAST Earthquake 0.6 m 1 141 km
1980 HONSHU ISLAND Earthquake 0.6 m 103 km
1978 TOKAIDO Earthquake 0.4 m 25 102 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 127 km
1974 TOKAIDO Earthquake 0.2 m 30 135 km
1990 JAPAN Earthquake 0.2 m 114 km
1857 TOKAIDO Earthquake 134 km
1855 TOKAIDO Earthquake 6,757 52 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 82 km
1642 BOSO, JAPAN Earthquake 137 km
1633 SAGAMI BAY Earthquake 150 59 km
1602 BOSO, JAPAN Eruption + Earthquake 135 km
1589 SURUGA, JAPAN Earthquake 139 km
1257 SAGAMI BAY, JAPAN Earthquake 64 km
1241 KAMAKURA, SAGAMI BAY Earthquake 61 km
818 TOKAIDO Eruption + Earthquake 59 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Hakoneyama (58 km).

Name Type Elevation Last Eruption Distance
Hakoneyama Complex 1,438 m (4,718 ft) 2015 58 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 61 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 90 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 91 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 93 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 93 km
Asamayama Complex 2,568 m (8,425 ft) 2019 99 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 113 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 117 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 118 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 120 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 121 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 124 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 135 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 137 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 37°F (3°C) 1.5 in Coldest, Driest
February 38°F (3°C) 2.0 in
March 43°F (6°C) 3.2 in
April 54°F (12°C) 4.0 in
May 62°F (17°C) 5.1 in
June 68°F (20°C) 7.4 in
July 74°F (24°C) 6.1 in
August 77°F (25°C) 8.0 in Warmest
September 70°F (21°C) 8.2 in Wettest
October 60°F (15°C) 6.4 in
November 50°F (10°C) 2.8 in
December 41°F (5°C) 1.5 in

Akiruno has a seasonal temperature swing of 40°F / from 37°F in January to 77°F in August. Total annual precipitation is 56.3 inches, with September being the wettest month (8.2") and January the driest (1.5").

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