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Yonakuni, Japan

Full City Profile

4.0 /5.0
A Great
1,684 Population 2/sq mi density
66 ft Elevation 20 meters
74°F Avg Temperature 24°C
A
Overall
4.0 / 5.0
Strong
C+
Economy
2.9 / 5.0
$24,800 median income, 3.6% unemployment
A+
Affordability
5.0 / 5.0
$74,000 home value, $370/mo rent
Yonakuni has a warm climate with an average annual temperature of 74°F (23°C). Winters average 65°F in January while summers reach 83°F in July. The area gets 165 sunny days per year. Annual precipitation totals 94.2 inches. The area receives 0.0 inches of snow annually.

Temperature

65°F Jan (18°C) 83°F Jul (29°C)
Annual Average74.3°F
38% above US avg
January Average65°F (18°C)
July Average83°F (29°C)
Sunny Days165 days/yr

Geography

Elevation66 ft (20 m)
Area1,125.0 sq mi (2,913.8 km²)
Population Density2/sq mi
Coordinates24.4667°N, 123.0000°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 94.2"
148% above US avg
Snowfall 0.0"
Wettest Month (Sep) 10.98"
Driest Month (Jul) 5.59"

Air Quality

Earthquake History

2,798 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.1. Most recent: M5.3 on Aug 27, 2025.

Mar 31, 2002 67 km ENE of Hualien City, Taiwan M7.1 86 km
Dec 18, 2001 62 km SSW of Yonakuni, Japan M6.8 63 km
Aug 17, 2009 114 km SW of Ishigaki, Japan M6.7 119 km
May 24, 1994 79 km SW of Yonakuni, Japan M6.6 80 km
Feb 6, 2018 18 km NNE of Hualien City, Taiwan M6.4 141 km
Sep 28, 1992 52 km SW of Yonakuni, Japan M6.4 52 km
May 31, 2016 Taiwan region M6.4 130 km
Jun 5, 1994 31 km SSE of Yilan, Taiwan M6.4 111 km
Apr 20, 2015 75 km WSW of Yonakuni, Japan M6.4 75 km
Apr 3, 2024 15 km NNE of Hualien City, Taiwan M6.4 140 km
Jul 13, 2009 61 km E of Hualien City, Taiwan M6.3 93 km
Mar 5, 1996 63 km ENE of Hualien City, Taiwan M6.3 90 km
Feb 7, 2010 109 km SSW of Ishigaki, Japan M6.3 126 km
Feb 23, 1995 17 km N of Hualien City, Taiwan M6.2 145 km
May 23, 1994 57 km SW of Yonakuni, Japan M6.2 58 km
Jan 3, 2022 66 km E of Hualien City, Taiwan M6.2 91 km
May 9, 2022 70 km SW of Yonakuni, Japan M6.2 70 km
May 15, 2002 21 km SE of Yilan, Taiwan M6.2 111 km
Apr 20, 2015 72 km SW of Yonakuni, Japan M6.1 73 km
May 28, 2002 67 km E of Hualien City, Taiwan M6.1 87 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

110 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: Podul (2025).

Year Name Category Closest
2025 Podul Category 2 276 km
2025 Danas Category 1 264 km
2024 Gaemi Category 4 59 km
2024 Kong-rey Category 3 230 km
2023 Koinu Category 4 252 km
2023 Khanun Category 3 276 km
2023 Haikui Category 3 209 km
2022 Hinnamnor Category 5 174 km
2022 Muifa Category 3 104 km
2021 Chanthu Category 3 63 km
2021 In-fa Category 2 204 km
2020 Hagupit Category 1 115 km
2019 Lekima Category 4 188 km
2019 Lingling Category 4 233 km
2019 Mitag Category 2 18 km
2018 Maria Category 3 137 km
2017 Talim Category 4 256 km
2017 Nesat Category 2 80 km
2016 Nepartak Category 5 265 km
2016 Malakas Category 4 28 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

6 tsunamis recorded within 500 km. Highest wave on record: 85.4 m (280 ft).

Year Location Cause Max Wave Deaths Distance
1771 RYUKYU ISLANDS Earthquake 85.4 m 13,486 142 km
1867 E. CHINA SEA Earthquake 15.0 m 580 147 km
2002 TAIWAN Earthquake 0.2 m 5 86 km
1963 E. TAIWAN-RYUKYU ISLANDS Earthquake 0.2 m 15 91 km
2001 TAIWAN Earthquake 0.2 m 63 km
1966 E. TAIWAN-RYUKYU ISLANDS Earthquake 0.1 m 7 58 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Tatun Volcanic Group (166 km).

Name Type Elevation Last Eruption Distance
Tatun Volcanic Group Lava dome(s) 1,120 m (3,675 ft) 648 166 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 65°F (18°C) 7.6 in Coldest
February 65°F (18°C) 6.3 in
March 68°F (20°C) 6.1 in
April 73°F (23°C) 6.9 in
May 77°F (25°C) 8.6 in
June 81°F (27°C) 7.2 in
July 83°F (29°C) 5.6 in Warmest, Driest
August 83°F (28°C) 8.3 in
September 81°F (27°C) 11.0 in Wettest
October 77°F (25°C) 9.8 in
November 72°F (22°C) 9.9 in
December 67°F (20°C) 6.9 in

Yonakuni has a seasonal temperature swing of 19°F / from 65°F in January to 83°F in July. Total annual precipitation is 94.2 inches, with September being the wettest month (11.0") and July the driest (5.6").

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