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Kōshi, Japan
Full City Profile
4.1
/5.0
A
Great
61,772
Population
2,447/sq mi density
233 ft
Elevation
71 meters
61°F
Avg Temperature
16°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$28,200 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$70,000 home value, $350/mo rent
Kōshi enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 41°F in January while summers reach 80°F in July. The area gets 205 sunny days per year. Annual precipitation totals 76.1 inches. The area receives 0.0 inches of snow annually.
Temperature
41°F Jan (5°C)
80°F Jul (27°C)
| Annual Average | 61.0°F |
| 13% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 205 days/yr |
Geography
| Elevation | 233 ft (71 m) |
| Area | 25.2 sq mi (65.4 km²) |
| Population Density | 2,447/sq mi |
| Coordinates | 32.8927°N, 130.7757°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
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 | 47 km |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 97 km |
| 1780 | SW. KYUSHU ISLAND | Astronomical | 6.0 m | — | 144 km |
| 1914 | SEIKAIDO | Eruption | 3.0 m | 63 | 146 km |
| 1769 | SW. KYUSHU ISLAND | Earthquake | 2.5 m | — | 132 km |
| 1939 | SEIKAIDO | Earthquake | 0.8 m | 1 | 132 km |
| 1931 | SEIKAIDO | Earthquake | 0.8 m | 1 | 146 km |
| 1996 | KYUSHU ISLAND | Earthquake | 0.6 m | — | 130 km |
| 2024 | HYUGANADA SEA | Earthquake | 0.5 m | — | 148 km |
| 1970 | SEIKAIDO | Earthquake | 0.3 m | — | 116 km |
| 2025 | HYUGANADA SEA | Earthquake | 0.2 m | — | 142 km |
| 1996 | SEA OF JAPAN | Earthquake | 0.2 m | — | 133 km |
| 1984 | KYUSHU, JAPAN | Earthquake | 0.2 m | — | 123 km |
| 1969 | RYUKYU ISLANDS | Earthquake | 0.1 m | — | 146 km |
| 1987 | KYUSHU ISLAND | Earthquake | 0.0 m | 2 | 138 km |
| 1899 | SEIKAIDO | Earthquake | — | — | 144 km |
| 1828 | AMAKUSA SEA | Earthquake | — | — | 88 km |
| 1781 | SW. KYUSHU ISLAND | Astronomical | — | 38 | 146 km |
| 1780 | SW. KYUSHU ISLAND | Astronomical | — | — | 144 km |
| 1715 | SEIKAIDO | Earthquake | — | — | 97 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Asosan (31 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 31 km |
| Unzendake | Complex | 1,483 m (4,865 ft) | 1996 | 47 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 49 km |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 72 km |
| Kirishimayama | Shield | 1,700 m (5,577 ft) | 2018 | 107 km |
| Yonemaru-Sumiyoshiike | Maar(s) | 40 m (131 ft) | -6200 | 126 km |
| Aira | Caldera | 1,117 m (3,665 ft) | 2020 | 145 km |
| Fukue | Shield(s) | 315 m (1,033 ft) | -400 | 182 km |
| Ata | Caldera(s) | 924 m (3,031 ft) | 885 | 187 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.3 in | Coldest |
| February | 43°F (6°C) | 3.2 in | |
| March | 49°F (10°C) | 4.8 in | |
| April | 59°F (15°C) | 6.1 in | |
| May | 67°F (19°C) | 7.5 in | |
| June | 73°F (23°C) | 14.5 in | |
| July | 80°F (27°C) | 14.6 in | Wettest |
| August | 81°F (27°C) | 7.4 in | Warmest |
| September | 75°F (24°C) | 7.0 in | |
| October | 65°F (18°C) | 3.7 in | |
| November | 54°F (12°C) | 2.8 in | |
| December | 45°F (7°C) | 2.1 in | Driest |
Kōshi has a seasonal temperature swing of 40°F / from 41°F in January to 81°F in August. Total annual precipitation is 76.1 inches, with July being the wettest month (14.6") and December the driest (2.1").