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Kōzan, Japan

Full City Profile

4.2 /5.0
A Great
15,125 Population 136/sq mi density
1,106 ft Elevation 337 meters
57°F Avg Temperature 14°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$32,400 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$84,000 home value, $420/mo rent
Kōzan enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 37°F in January while summers reach 77°F in July. The area gets 222 sunny days per year. Annual precipitation totals 62.6 inches. The area receives 0.0 inches of snow annually.

Temperature

37°F Jan (3°C) 77°F Jul (25°C)
Annual Average56.9°F
5% above US avg
January Average37°F (3°C)
July Average77°F (25°C)
Sunny Days222 days/yr

Geography

Elevation1,106 ft (337 m)
Area110.9 sq mi (287.1 km²)
Population Density136/sq mi
Coordinates34.5833°N, 133.0500°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 62.6"
65% above US avg
Snowfall 0.0"
Wettest Month (Jun) 10.00"
Driest Month (Dec) 1.93"

Air Quality

Earthquake History

101 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.8. Most recent: M4.4 on Jun 29, 2025.

Mar 24, 2001 16 km SSW of Kure, Japan M6.8 74 km
Oct 6, 2000 8 km ESE of Matsue, Japan M6.7 97 km
Jun 25, 1997 17 km E of Hagi, Japan M5.9 134 km
Apr 8, 2018 8 km NNE of ?dach?-?da, Japan M5.7 88 km
Aug 28, 1991 9 km SSW of Yasugich?, Japan M5.5 85 km
Oct 8, 2000 32 km N of Sh?bara, Japan M5.4 63 km
Sep 16, 2002 24 km SW of Kurayoshi, Japan M5.3 93 km
Sep 3, 1997 21 km S of Yasugich?, Japan M5.3 73 km
Mar 25, 2001 22 km WNW of H?j?, Japan M5.2 78 km
Oct 8, 2000 8 km SSW of Yonago, Japan M5.2 90 km
Apr 26, 2007 15 km ESE of Niihama, Japan M5.1 84 km
Aug 14, 1993 19 km SW of ?zu, Japan M5.0 148 km
Jun 3, 2011 9 km ENE of G?tsuch?, Japan M5.0 83 km
Jan 3, 1991 22 km W of ?zu, Japan M5.0 139 km
Jun 18, 2021 1 km ENE of ?zu, Japan M4.9 128 km
Jan 9, 2001 40 km W of ?zu, Japan M4.9 141 km
Aug 30, 1993 16 km WSW of ?zu, Japan M4.9 142 km
Feb 26, 2024 18 km N of Yawatahama, Japan M4.9 122 km
Sep 28, 1990 24 km NNW of Kariya, Japan M4.9 117 km
May 26, 2005 6 km SSW of Kan’onjich?, Japan M4.8 78 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

47 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Lan (2023).

Year Name Category Closest
2023 Lan Category 1 263 km
2022 Nanmadol Category 1 251 km
2019 Francisco Category 1 294 km
2018 Jebi Category 3 167 km
2018 Trami Category 1 198 km
2018 Cimaron Category 1 151 km
2017 Noru Category 1 173 km
2016 Malakas Category 1 203 km
2015 Goni Category 3 199 km
2015 Nangka Category 1 211 km
2014 Phanfone Category 2 280 km
2014 Halong Category 1 178 km
2012 Jelawat Category 1 279 km
2011 Ma-on Category 1 167 km
2008 Sinlaku Category 1 251 km
2007 Usagi Category 2 140 km
2007 Man-yi Category 1 211 km
2006 Shanshan Category 1 252 km
2005 Nabi Category 2 170 km
2004 Songda Category 2 111 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

3 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).

Year Location Cause Max Wave Deaths Distance
1026 OFF MASUDA, SHIMANE PREFECTURE Earthquake 10.0 m 1,001 117 km
1872 SW. HONSHU ISLAND Earthquake 3.0 m 804 102 km
1711 SEIONAIKAI, JAPAN Earthquake 2.0 m 1,000 93 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Sanbesan (73 km).

Name Type Elevation Last Eruption Distance
Sanbesan Stratovolcano 1,126 m (3,694 ft) 650 73 km
Abu Shield(s) 641 m (2,103 ft) -6850 133 km
Oki-Dogo Shield 151 m (495 ft) Unknown 179 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 37°F (3°C) 2.2 in Coldest
February 38°F (3°C) 2.8 in
March 44°F (7°C) 3.9 in
April 54°F (12°C) 5.6 in
May 62°F (17°C) 5.8 in
June 69°F (21°C) 10.0 in Wettest
July 77°F (25°C) 9.7 in
August 79°F (26°C) 5.6 in Warmest
September 71°F (22°C) 7.8 in
October 60°F (16°C) 4.4 in
November 50°F (10°C) 2.7 in
December 42°F (5°C) 1.9 in Driest

Kōzan has a seasonal temperature swing of 42°F / from 37°F in January to 79°F in August. Total annual precipitation is 62.6 inches, with June being the wettest month (10.0") and December the driest (1.9").

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