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Kozawa, Japan

Full City Profile

4.1 /5.0
A Great
5,772 Population 46/sq mi density
190 ft Elevation 58 meters
43°F Avg Temperature 6°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.1 / 5.0
$28,900 median income, 3.0% unemployment
A+
Affordability
5.0 / 5.0
$68,000 home value, $340/mo rent
Kozawa has a cool climate with an average annual temperature of 43°F (6°C). Winters average 20°F in January while summers reach 66°F in July. The area gets 232 sunny days per year. Annual precipitation totals 57.2 inches. The area receives 20.9 inches of snow annually.

Temperature

20°F Jan (-7°C) 66°F Jul (19°C)
Annual Average43.2°F
20% below US avg
January Average20°F (-7°C)
July Average66°F (19°C)
Sunny Days232 days/yr

Geography

Elevation190 ft (58 m)
Area124.5 sq mi (322.4 km²)
Population Density46/sq mi
Coordinates42.9710°N, 140.6792°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 57.2"
51% above US avg
Snowfall 20.9"
Wettest Month (Dec) 6.54"
Driest Month (May) 2.91"

Air Quality

Earthquake History

499 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.7. Most recent: M5.1 on Aug 18, 2025.

Jul 12, 1993 107 km W of Iwanai, Japan M7.7 121 km
Dec 22, 1996 131 km W of Iwanai, Japan M6.5 145 km
Aug 7, 1993 69 km WNW of Kamiiso, Japan M6.5 130 km
Jul 12, 1993 109 km W of Iwanai, Japan M6.3 123 km
Aug 24, 1992 9 km NNW of Honch?, Japan M6.2 111 km
Jun 11, 2023 20 km WSW of Biratori, Japan M6.2 111 km
Jul 12, 1993 101 km W of Iwanai, Japan M6.0 115 km
Jan 12, 2021 84 km NW of Yoichi, Japan M5.9 99 km
May 23, 1995 Hokkaido, Japan region M5.6 114 km
Apr 18, 2007 21 km E of Tomakomai, Japan M5.5 103 km
Jul 8, 2014 13 km N of Shiraoi, Japan M5.5 64 km
Sep 19, 1993 111 km W of Iwanai, Japan M5.5 125 km
Feb 28, 2009 37 km NW of Shizunai-furukawach?, Japan M5.5 123 km
Feb 21, 2019 25 km ESE of Chitose, Japan M5.4 106 km
Jul 12, 1993 88 km W of Iwanai, Japan M5.4 102 km
Apr 12, 2018 110 km NW of Iwanai, Japan M5.3 121 km
Jul 1, 2017 22 km E of Chitose, Japan M5.3 103 km
Nov 3, 2001 115 km NW of Yoichi, Japan M5.3 128 km
Jul 15, 1993 126 km WSW of Iwanai, Japan M5.3 140 km
Jul 15, 1993 95 km WNW of Iwanai, Japan M5.3 109 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

1 hurricane (Cat 1+) within 500 km since 1980. Strongest: Category 1. Most recent: Higos (2002).

Year Name Category Closest
2002 Higos Category 1 281 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

6 tsunamis recorded within 500 km. Highest wave on record: 32.0 m (105 ft).

Year Location Cause Max Wave Deaths Distance
1993 SEA OF JAPAN Earthquake 32.0 m 231 121 km
1640 SE. HOKKAIDO ISLAND Explosion 8.0 m 700 100 km
1947 W. HOKKAIDO ISLAND Earthquake 2.0 m 96 km
1993 JAPAN Earthquake 0.2 m 130 km
1834 W. HOKKAIDO ISLAND Earthquake 69 km
1792 W. HOKKAIDO ISLAND Earthquake 59 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

12 volcanoes within 200 km. Closest: Niseko (11 km).

Name Type Elevation Last Eruption Distance
Niseko Stratovolcano(es) 1,308 m (4,291 ft) -4900 11 km
Yoteizan Stratovolcano 1,888 m (6,194 ft) -1050 19 km
Toya Stratovolcano 733 m (2,405 ft) 2001 49 km
Shikotsu Caldera 1,320 m (4,331 ft) 1979 65 km
Kuttara Stratovolcano(es) 549 m (1,801 ft) 1820 66 km
Hokkaido-Komagatake Stratovolcano 1,131 m (3,711 ft) 2000 101 km
Esan Lava dome(s) 618 m (2,028 ft) 1874 136 km
Tokachidake Stratovolcano(es) 2,077 m (6,814 ft) 2004 170 km
Osorezan Stratovolcano 878 m (2,881 ft) 1787 192 km
Taisetsuzan Stratovolcano(es) 2,291 m (7,516 ft) 1739 192 km
Oshima-Oshima Stratovolcano 732 m (2,402 ft) 1790 195 km
Maruyama Stratovolcano(es) 2,013 m (6,604 ft) 1898 197 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 20°F (-7°C) 6.3 in Coldest
February 21°F (-6°C) 4.7 in
March 27°F (-3°C) 3.4 in
April 39°F (4°C) 3.0 in
May 50°F (10°C) 2.9 in Driest
June 58°F (14°C) 3.0 in
July 66°F (19°C) 4.1 in
August 68°F (20°C) 5.9 in Warmest
September 60°F (15°C) 5.8 in
October 48°F (9°C) 5.3 in
November 36°F (2°C) 6.3 in
December 26°F (-4°C) 6.5 in Wettest

Kozawa has a seasonal temperature swing of 48°F / from 20°F in January to 68°F in August. Total annual precipitation is 57.2 inches, with December being the wettest month (6.5") and May the driest (2.9").

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