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Yamaguma, Japan

Full City Profile

4.1 /5.0
A Great
29,591 Population 996/sq mi density
82 ft Elevation 25 meters
60°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
Yamaguma enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 41°F in January while summers reach 80°F in July. The area gets 208 sunny days per year. Annual precipitation totals 70.7 inches. The area receives 0.0 inches of snow annually.

Temperature

41°F Jan (5°C) 80°F Jul (27°C)
Annual Average60.4°F
12% above US avg
January Average41°F (5°C)
July Average80°F (27°C)
Sunny Days208 days/yr

Geography

Elevation82 ft (25 m)
Area29.7 sq mi (77.0 km²)
Population Density996/sq mi
Coordinates33.4212°N, 130.6136°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 70.7"
86% above US avg
Snowfall 0.0"
Wettest Month (Jun) 12.72"
Driest Month (Dec) 2.36"

Air Quality

Earthquake History

260 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 71 km
Mar 20, 2005 28 km NNW of Maebaru-ch??, Japan M6.6 62 km
Mar 13, 2014 32 km SSW of Hikari, Japan M6.3 116 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 59 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 71 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 81 km
Jun 25, 1997 17 km E of Hagi, Japan M5.9 142 km
Apr 15, 2016 6 km S of Kikuchi, Japan M5.7 58 km
Apr 25, 2001 18 km SE of Saiki, Japan M5.7 147 km
Apr 15, 2016 10 km NE of Aso, Japan M5.5 69 km
Jul 12, 2015 12 km SSW of Usuki, Japan M5.5 115 km
Apr 19, 2005 8 km NNW of Maebaru-ch??, Japan M5.5 47 km
May 22, 1998 9 km NE of Bungo-Takada-shi, Japan M5.5 86 km
Apr 18, 2016 8 km NNE of Aso, Japan M5.5 64 km
Nov 4, 2002 Kyushu, Japan M5.4 144 km
Apr 14, 2016 14 km ESE of Kumamoto, Japan M5.4 78 km
Apr 15, 2016 5 km WSW of Aso, Japan M5.4 68 km
Apr 15, 2016 5 km ENE of Uto, Japan M5.3 80 km
Apr 14, 2016 4 km NNE of Uto, Japan M5.3 79 km
Apr 19, 2016 6 km NNE of Honmachi, Japan M5.3 96 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2024 Shanshan Category 2 107 km
2022 Nanmadol Category 2 20 km
2022 Hinnamnor Category 1 237 km
2020 Haishen Category 2 148 km
2020 Maysak Category 2 231 km
2019 Francisco Category 1 58 km
2018 Trami Category 1 255 km
2018 Prapiroon Category 1 138 km
2017 Noru Category 1 237 km
2016 Malakas Category 3 215 km
2016 Chaba Category 1 256 km
2016 Namtheun Category 1 299 km
2015 Goni Category 3 54 km
2014 Halong Category 1 249 km
2013 Danas Category 1 198 km
2012 Sanba Category 3 244 km
2011 Ma-on Category 1 247 km
2007 Usagi Category 3 64 km
2007 Man-yi Category 2 188 km
2006 Shanshan Category 2 67 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 80 km
1596 BEPPU BAY, KYUSHU Eruption + Earthquake 8.0 m 708 102 km
1828 AMAKUSA SEA Earthquake 113 km
1715 SEIKAIDO Earthquake 102 km
1698 SEIKAIDO-NANKAIDO Earthquake 102 km
1619 YATSUSHIRO, JAPAN Earthquake 102 km
1597 BEPPU BAY, JAPAN Eruption + Earthquake 40 93 km
744 SW. KYUSHU ISLAND Earthquake 1,520 114 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

8 volcanoes within 200 km. Closest: Kujusan (70 km).

Name Type Elevation Last Eruption Distance
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 70 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 74 km
Asosan Caldera 1,592 m (5,223 ft) 2020 75 km
Unzendake Complex 1,483 m (4,865 ft) 1996 79 km
Abu Shield(s) 641 m (2,103 ft) -6850 151 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 167 km
Yonemaru-Sumiyoshiike Maar(s) 40 m (131 ft) -6200 184 km
Fukue Shield(s) 315 m (1,033 ft) -400 185 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 2.6 in Coldest
February 42°F (6°C) 3.0 in
March 48°F (9°C) 4.3 in
April 58°F (14°C) 5.9 in
May 66°F (19°C) 6.5 in
June 73°F (23°C) 12.7 in Wettest
July 80°F (27°C) 12.6 in
August 81°F (27°C) 6.7 in Warmest
September 74°F (23°C) 7.6 in
October 64°F (18°C) 3.7 in
November 54°F (12°C) 2.8 in
December 45°F (7°C) 2.4 in Driest

Yamaguma has a seasonal temperature swing of 40°F / from 41°F in January to 81°F in August. Total annual precipitation is 70.7 inches, with June being the wettest month (12.7") and December the driest (2.4").

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