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Ōnojō, Japan

Full City Profile

4.1 /5.0
A Great
102,085 Population 9,835/sq mi density
82 ft Elevation 25 meters
61°F Avg Temperature 16°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$32,000 median income, 2.9% unemployment
A+
Affordability
5.0 / 5.0
$84,000 home value, $420/mo rent
Ōnojō enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 42°F in January while summers reach 80°F in July. The area gets 214 sunny days per year. Annual precipitation totals 67.2 inches. The area receives 0.0 inches of snow annually.

Temperature

42°F Jan (6°C) 80°F Jul (27°C)
Annual Average60.9°F
13% above US avg
January Average42°F (6°C)
July Average80°F (27°C)
Sunny Days214 days/yr

Geography

Elevation82 ft (25 m)
Area10.4 sq mi (26.9 km²)
Population Density9,835/sq mi
Coordinates33.5357°N, 130.4786°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 67.2"
77% above US avg
Snowfall 0.0"
Wettest Month (Jun) 11.34"
Driest Month (Dec) 2.32"

Air Quality

Earthquake History

230 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M4.9 on Aug 6, 2025.

Apr 15, 2016 6 km ESE of Kumamoto, Japan M7.0 87 km
Mar 20, 2005 28 km NNW of Maebaru-ch??, Japan M6.6 44 km
Mar 13, 2014 32 km SSW of Hikari, Japan M6.3 126 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 76 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 86 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 96 km
Jun 25, 1997 17 km E of Hagi, Japan M5.9 141 km
Apr 15, 2016 6 km S of Kikuchi, Japan M5.7 75 km
May 22, 1998 9 km NE of Bungo-Takada-shi, Japan M5.5 96 km
Apr 19, 2005 8 km NNW of Maebaru-ch??, Japan M5.5 30 km
Jul 12, 2015 12 km SSW of Usuki, Japan M5.5 131 km
Apr 18, 2016 8 km NNE of Aso, Japan M5.5 82 km
Apr 15, 2016 10 km NE of Aso, Japan M5.5 86 km
Apr 15, 2016 5 km WSW of Aso, Japan M5.4 85 km
Apr 14, 2016 14 km ESE of Kumamoto, Japan M5.4 94 km
Apr 19, 2016 6 km NNE of Honmachi, Japan M5.3 110 km
Apr 14, 2016 4 km NNE of Uto, Japan M5.3 93 km
Apr 15, 2016 13 km ESE of Kumamoto, Japan M5.3 91 km
Apr 15, 2016 5 km ENE of Uto, Japan M5.3 95 km
Oct 28, 1991 13 km SSW of Ube, Japan M5.2 76 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2024 Shanshan Category 2 116 km
2022 Nanmadol Category 2 13 km
2022 Hinnamnor Category 2 219 km
2020 Haishen Category 2 141 km
2020 Maysak Category 2 214 km
2019 Francisco Category 1 72 km
2018 Trami Category 1 272 km
2018 Prapiroon Category 1 122 km
2017 Noru Category 1 253 km
2016 Malakas Category 2 233 km
2016 Chaba Category 1 240 km
2015 Goni Category 3 41 km
2014 Halong Category 1 266 km
2013 Danas Category 1 184 km
2012 Sanba Category 3 229 km
2011 Ma-on Category 1 265 km
2007 Usagi Category 3 76 km
2007 Man-yi Category 2 206 km
2006 Shanshan Category 2 52 km
2005 Nabi Category 2 10 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

8 tsunamis recorded within 500 km. Highest wave on record: 55.0 m (180 ft).

Year Location Cause Max Wave Deaths Distance
1792 SHIMABARA BAY, KYUSHU ISLAND Landslide 55.0 m 15,000 89 km
1596 BEPPU BAY, KYUSHU Eruption + Earthquake 8.0 m 708 116 km
1828 AMAKUSA SEA Earthquake 117 km
1715 SEIKAIDO Earthquake 116 km
1698 SEIKAIDO-NANKAIDO Earthquake 116 km
1619 YATSUSHIRO, JAPAN Earthquake 116 km
1597 BEPPU BAY, JAPAN Eruption + Earthquake 40 107 km
744 SW. KYUSHU ISLAND Earthquake 1,520 126 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

8 volcanoes within 200 km. Closest: Kujusan (87 km).

Name Type Elevation Last Eruption Distance
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 87 km
Unzendake Complex 1,483 m (4,865 ft) 1996 88 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 89 km
Asosan Caldera 1,592 m (5,223 ft) 2020 93 km
Abu Shield(s) 641 m (2,103 ft) -6850 149 km
Fukue Shield(s) 315 m (1,033 ft) -400 181 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 182 km
Yonemaru-Sumiyoshiike Maar(s) 40 m (131 ft) -6200 197 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 2.8 in Coldest
February 43°F (6°C) 3.0 in
March 49°F (9°C) 4.3 in
April 58°F (14°C) 5.5 in
May 66°F (19°C) 5.9 in
June 72°F (22°C) 11.3 in Wettest
July 80°F (27°C) 11.1 in
August 81°F (27°C) 6.9 in Warmest
September 74°F (24°C) 7.5 in
October 65°F (18°C) 3.6 in
November 55°F (13°C) 3.0 in
December 46°F (8°C) 2.3 in Driest

Ōnojō has a seasonal temperature swing of 39°F / from 42°F in January to 81°F in August. Total annual precipitation is 67.2 inches, with June being the wettest month (11.3") and December the driest (2.3").

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