Ko-bae, Japan

Full City Profile

4,826 Population 21/sq mi density
636 ft Elevation 194 meters
58°F Avg Temperature 14°C
Ko-bae enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 39°F in January while summers reach 76°F in July. Annual precipitation totals 96.6 inches. The area receives 0.0 inches of snow annually.

Temperature

39°F Jan (4°C) 76°F Jul (24°C)
Annual Average57.8°F
7% above US avg
January Average39°F (4°C)
July Average76°F (24°C)

Geography

Elevation636 ft (194 m)
Area231.1 sq mi (598.4 km²)
Population Density21/sq mi
Coordinates32.4667°N, 131.3833°E
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 96.6"
154% above US avg
Snowfall 0.0"
Wettest Month (Jun) 16.50"
Driest Month (Dec) 2.05"

Air Quality

Earthquake History

589 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.1. Most recent: M4.4 on Aug 27, 2025.

Aug 8, 2024 2024 Hyuganada Sea, Japan Earthquake M7.1 79 km
Apr 15, 2016 6 km ESE of Kumamoto, Japan M7.0 69 km
Jan 13, 2025 15 km SE of Miyazaki, Japan M6.8 72 km
Oct 19, 1996 5 km SE of Miyazaki, Japan M6.7 65 km
Dec 2, 1996 17 km SW of Miyazaki, Japan M6.7 76 km
Apr 17, 2024 18 km W of Uwajima, Japan M6.3 127 km
Jan 21, 2022 27 km SSE of Saiki, Japan M6.3 68 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 78 km
Mar 13, 2014 32 km SSW of Hikari, Japan M6.3 142 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 73 km
May 9, 2019 43 km ESE of Miyazaki, Japan M6.2 88 km
Mar 26, 1997 16 km NE of Satsumasendai, Japan M6.1 108 km
May 13, 1997 1 km WNW of Satsumasendai, Japan M6.1 126 km
Dec 16, 1998 22 km S of Kushima, Japan M6.0 132 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 67 km
Jun 25, 2000 33 km S of Kushima, Japan M6.0 144 km
Apr 30, 1994 8 km SSE of Kushima, Japan M5.9 117 km
Apr 5, 2009 10 km N of Miyazaki, Japan M5.8 51 km
Aug 28, 2014 53 km E of Takanabe, Japan M5.8 77 km
May 31, 2005 10 km SSW of Kushima, Japan M5.7 120 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

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

Year Name Category Closest
2024 Shanshan Category 3 102 km
2022 Nanmadol Category 3 93 km
2020 Haishen Category 3 215 km
2020 Chan-hom Category 1 294 km
2019 Francisco Category 1 31 km
2018 Jebi Category 3 222 km
2018 Trami Category 2 128 km
2018 Cimaron Category 1 284 km
2018 Prapiroon Category 1 252 km
2017 Noru Category 1 114 km
2016 Malakas Category 3 97 km
2016 Namtheun Category 1 233 km
2015 Goni Category 3 99 km
2015 Nangka Category 1 279 km
2014 Phanfone Category 2 216 km
2014 Halong Category 1 155 km
2012 Jelawat Category 1 279 km
2011 Ma-on Category 1 144 km
2009 Melor Category 1 274 km
2008 Sinlaku Category 1 255 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

Tsunami History

20 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 15,000 106 km
1596 BEPPU BAY, KYUSHU Eruption + Earthquake 8.0 m 708 97 km
1780 SW. KYUSHU ISLAND Astronomical 6.0 m - 116 km
1662 HIUGANADA Earthquake 5.0 m 200 103 km
1968 SEIKAIDO Earthquake 3.1 m 1 107 km
1914 SEIKAIDO Eruption 3.0 m 63 119 km
1769 SW. KYUSHU ISLAND Earthquake 2.5 m - 61 km
1941 SEIKAIDO Earthquake 1.2 m 2 85 km
1939 SEIKAIDO Earthquake 0.8 m 1 61 km
1931 SEIKAIDO Earthquake 0.8 m 1 74 km
1929 HYUGANADA SEA Earthquake 0.7 m - 115 km
1961 SEIKAIDO Earthquake 0.7 m 2 104 km
1996 KYUSHU ISLAND Earthquake 0.6 m - 65 km
2024 HYUGANADA SEA Earthquake 0.5 m - 84 km
1970 SEIKAIDO Earthquake 0.3 m - 42 km
1899 SEIKAIDO Earthquake 0.3 m - 86 km
2025 HYUGANADA SEA Earthquake 0.2 m - 75 km
1996 SEA OF JAPAN Earthquake 0.2 m - 76 km
1984 KYUSHU, JAPAN Earthquake 0.2 m - 54 km
1969 RYUKYU ISLANDS Earthquake 0.1 m - 74 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

8 volcanoes within 200 km. Closest: Asosan (53 km).

Name Type Elevation Last Eruption Distance
Asosan Caldera 1,592 m (5,223 ft) 2020 53 km
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 70 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 77 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 91 km
Unzendake Complex 1,483 m (4,865 ft) 1996 107 km
Yonemaru-Sumiyoshiike Maar(s) 40 m (131 ft) -6200 107 km
Aira Caldera 1,117 m (3,665 ft) 2020 119 km
Ata Caldera(s) 924 m (3,031 ft) 885 159 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 2.4 in Coldest
February 41°F (5°C) 3.7 in
March 47°F (8°C) 6.1 in
April 56°F (13°C) 8.6 in
May 63°F (17°C) 10.4 in
June 69°F (20°C) 16.5 in Wettest
July 76°F (24°C) 14.5 in
August 77°F (25°C) 11.8 in Warmest
September 71°F (22°C) 11.1 in
October 62°F (17°C) 6.2 in
November 52°F (11°C) 3.4 in
December 43°F (6°C) 2.1 in Driest

Ko-bae has a seasonal temperature swing of 38°F / from 39°F in January to 77°F in August. Total annual precipitation is 96.6 inches, with June being the wettest month (16.5") and December the driest (2.1").

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