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Ajima, Japan

Full City Profile

4.2 /5.0
A Great
5,973 Population 181/sq mi density
1,627 ft Elevation 496 meters
52°F Avg Temperature 11°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$30,100 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$76,000 home value, $380/mo rent
Ajima experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 31°F in January while summers reach 72°F in July. The area gets 223 sunny days per year. Annual precipitation totals 62.1 inches. The area receives 4.4 inches of snow annually.

Temperature

31°F Jan (-1°C) 72°F Jul (22°C)
Annual Average51.8°F
4% below US avg
January Average31°F (-1°C)
July Average72°F (22°C)
Sunny Days223 days/yr

Geography

Elevation1,627 ft (496 m)
Area33.1 sq mi (85.7 km²)
Population Density181/sq mi
Coordinates35.5167°N, 137.8833°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 62.1"
63% above US avg
Snowfall 4.4"
Wettest Month (Jun) 8.78"
Driest Month (Dec) 1.65"

Air Quality

Earthquake History

562 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.2. Most recent: M4.1 on Aug 24, 2025.

Aug 10, 2009 8 km NE of Sagara, Japan M6.2 93 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 69 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 98 km
Aug 1, 2011 20 km E of ?yama, Japan M5.9 111 km
May 23, 1997 38 km SSE of Tahara, Japan M5.8 133 km
May 3, 1998 14 km SW of It?, Japan M5.6 123 km
Mar 6, 1996 13 km NNE of Gotenba, Japan M5.6 100 km
Apr 20, 2006 16 km SE of It?, Japan M5.6 141 km
Mar 16, 1997 5 km NE of Toyokawa, Japan M5.6 84 km
Mar 4, 1997 9 km SSW of It?, Japan M5.6 126 km
Mar 15, 2012 3 km ENE of ?me, Japan M5.5 130 km
Aug 15, 1998 22 km WSW of Hotaka, Japan M5.5 86 km
Apr 11, 2011 8 km WSW of Iiyama, Japan M5.5 148 km
Apr 3, 2001 10 km NE of Mori, Japan M5.4 70 km
Aug 26, 2010 25 km ENE of Katsuyama, Japan M5.4 120 km
Jun 26, 1990 near the south coast of Honshu, Japan M5.4 124 km
Oct 5, 2011 24 km W of ?machi, Japan M5.3 110 km
Jun 5, 1990 13 km NE of Gotenba, Japan M5.3 106 km
Jul 2, 1995 23 km WSW of Miura, Japan M5.3 147 km
May 9, 2022 7 km NE of Toba, Japan M5.3 142 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

40 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Lan (2023).

Year Name Category Closest
2023 Lan Category 1 284 km
2019 Faxai Category 4 158 km
2019 Hagibis Category 2 126 km
2018 Jebi Category 2 207 km
2018 Trami Category 1 290 km
2018 Jongdari Category 1 134 km
2017 Lan Category 1 244 km
2016 Mindulle Category 1 200 km
2014 Phanfone Category 1 83 km
2011 Roke Category 3 69 km
2009 Melor Category 1 205 km
2009 Krovanh Category 1 291 km
2008 Sinlaku Category 1 242 km
2007 Fitow Category 1 120 km
2005 Mawar Category 2 136 km
2004 Ma-on Category 4 109 km
2004 Chaba Category 1 260 km
2003 Etau Category 1 153 km
2002 Higos Category 2 160 km
2001 Danas Category 1 136 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

14 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1855 ENSHUNADA Earthquake 3.0 m 116 km
1909 ANEGAWA, JAPAN Earthquake 1.8 m 41 144 km
1945 TOKAIDO Earthquake 1.0 m 2,306 110 km
2009 HONSHU: S COAST Earthquake 0.6 m 1 93 km
1980 HONSHU ISLAND Earthquake 0.6 m 142 km
1978 TOKAIDO Earthquake 0.4 m 25 148 km
1974 TOKAIDO Earthquake 0.2 m 30 126 km
1857 TOKAIDO Earthquake 88 km
1666 AICHI PREFECTURE Earthquake 114 km
1633 SAGAMI BAY Earthquake 150 125 km
1589 SURUGA, JAPAN Earthquake 85 km
1586 ISE BAY Earthquake 8,000 114 km
1241 KAMAKURA, SAGAMI BAY Earthquake 142 km
818 TOKAIDO Eruption + Earthquake 133 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Ontakesan (56 km).

Name Type Elevation Last Eruption Distance
Ontakesan Complex 3,067 m (10,062 ft) 2014 56 km
Norikuradake Stratovolcano(es) 3,026 m (9,928 ft) -50 72 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 75 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 79 km
Yakedake Stratovolcano(es) 2,455 m (8,054 ft) 1995 83 km
Washiba-Kumonotaira Shield(s) 2,924 m (9,593 ft) Unknown 103 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 108 km
Asamayama Complex 2,568 m (8,425 ft) 2019 114 km
Midagahara Stratovolcano 2,621 m (8,599 ft) 1839 120 km
Hakusan Stratovolcano 2,702 m (8,865 ft) 1659 123 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 130 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 136 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 138 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 142 km
Myokosan Stratovolcano 2,454 m (8,051 ft) -750 154 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 31°F (-1°C) 1.9 in Coldest
February 32°F (0°C) 2.5 in
March 39°F (4°C) 4.4 in
April 50°F (10°C) 5.7 in
May 58°F (15°C) 5.8 in
June 65°F (18°C) 8.8 in Wettest
July 72°F (22°C) 8.0 in
August 74°F (23°C) 6.9 in Warmest
September 66°F (19°C) 8.6 in
October 55°F (13°C) 5.1 in
November 45°F (7°C) 3.0 in
December 36°F (2°C) 1.7 in Driest

Ajima has a seasonal temperature swing of 43°F / from 31°F in January to 74°F in August. Total annual precipitation is 62.1 inches, with June being the wettest month (8.8") and December the driest (1.7").

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