Sign In Register

Yoichi, Japan

Full City Profile

4.1 /5.0
A Great
18,993 Population 350/sq mi density
7 ft Elevation 2 meters
45°F Avg Temperature 7°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
Yoichi has a cool climate with an average annual temperature of 45°F (7°C). Winters average 23°F in January while summers reach 67°F in July. The area gets 240 sunny days per year. Annual precipitation totals 52.8 inches. The area receives 19.9 inches of snow annually.

Temperature

23°F Jan (-5°C) 67°F Jul (19°C)
Annual Average44.9°F
17% below US avg
January Average23°F (-5°C)
July Average67°F (19°C)
Sunny Days240 days/yr

Geography

Elevation7 ft (2 m)
Area54.3 sq mi (140.6 km²)
Population Density350/sq mi
Coordinates43.2039°N, 140.7703°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 52.8"
39% above US avg
Snowfall 19.9"
Wettest Month (Jan) 6.26"
Driest Month (May) 2.56"

Air Quality

Earthquake History

437 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 M7.7 134 km
Dec 22, 1996 131 km W of Iwanai, Japan M6.5 150 km
Jul 12, 1993 109 km W of Iwanai, Japan M6.3 129 km
Jun 11, 2023 20 km WSW of Biratori, Japan M6.2 119 km
Jan 11, 2016 74 km NW of Rumoi, Japan M6.2 144 km
Aug 24, 1992 9 km NNW of Honch?, Japan M6.2 137 km
Jul 12, 1993 101 km W of Iwanai, Japan M6.0 128 km
Jan 12, 2021 84 km NW of Yoichi, Japan M5.9 84 km
Feb 19, 2003 26 km NNE of Rumoi, Japan M5.9 134 km
May 23, 1995 Hokkaido, Japan region M5.6 93 km
Feb 28, 2009 37 km NW of Shizunai-furukawach?, Japan M5.5 127 km
Sep 19, 1993 111 km W of Iwanai, Japan M5.5 132 km
Apr 18, 2007 21 km E of Tomakomai, Japan M5.5 108 km
Jul 8, 2014 13 km N of Shiraoi, Japan M5.5 76 km
Feb 21, 2019 25 km ESE of Chitose, Japan M5.4 108 km
Jul 12, 1993 88 km W of Iwanai, Japan M5.4 112 km
Jan 22, 2013 77 km SSW of Rishiri Town, Japan M5.4 143 km
Jul 1, 2017 22 km E of Chitose, Japan M5.3 104 km
Nov 3, 2001 115 km NW of Yoichi, Japan M5.3 115 km
Jul 16, 1993 94 km WNW of Iwanai, Japan M5.3 110 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

5 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 231 134 km
1640 SE. HOKKAIDO ISLAND Explosion 8.0 m 700 126 km
1947 W. HOKKAIDO ISLAND Earthquake 2.0 m 69 km
1834 W. HOKKAIDO ISLAND Earthquake 52 km
1792 W. HOKKAIDO ISLAND Earthquake 36 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

10 volcanoes within 200 km. Closest: Niseko (38 km).

Name Type Elevation Last Eruption Distance
Niseko Stratovolcano(es) 1,308 m (4,291 ft) -4900 38 km
Yoteizan Stratovolcano 1,888 m (6,194 ft) -1050 42 km
Toya Stratovolcano 733 m (2,405 ft) 2001 74 km
Shikotsu Caldera 1,320 m (4,331 ft) 1979 76 km
Kuttara Stratovolcano(es) 549 m (1,801 ft) 1820 85 km
Hokkaido-Komagatake Stratovolcano 1,131 m (3,711 ft) 2000 127 km
Tokachidake Stratovolcano(es) 2,077 m (6,814 ft) 2004 157 km
Esan Lava dome(s) 618 m (2,028 ft) 1874 159 km
Taisetsuzan Stratovolcano(es) 2,291 m (7,516 ft) 1739 176 km
Maruyama Stratovolcano(es) 2,013 m (6,604 ft) 1898 185 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 23°F (-5°C) 6.3 in Coldest, Wettest
February 24°F (-5°C) 4.5 in
March 30°F (-1°C) 3.2 in
April 41°F (5°C) 2.6 in
May 51°F (10°C) 2.6 in Driest
June 58°F (15°C) 2.7 in
July 67°F (19°C) 3.8 in
August 69°F (21°C) 5.2 in Warmest
September 61°F (16°C) 5.5 in
October 50°F (10°C) 4.8 in
November 38°F (3°C) 5.7 in
December 28°F (-2°C) 5.9 in

Yoichi has a seasonal temperature swing of 46°F / from 23°F in January to 69°F in August. Total annual precipitation is 52.9 inches, with January being the wettest month (6.3") and May the driest (2.6").

View full weather details →