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Koshima, Japan
Full City Profile
4.1
/5.0
A
Great
1,245
Population
1/sq mi density
161 ft
Elevation
49 meters
59°F
Avg Temperature
15°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.1 / 5.0
$26,600 median income, 2.6% unemployment
A+
Affordability
5.0 / 5.0
$64,000 home value, $320/mo rent
Koshima enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 44°F in January while summers reach 74°F in July. The area gets 125 sunny days per year. Annual precipitation totals 127.1 inches. The area receives 0.0 inches of snow annually.
Temperature
44°F Jan (6°C)
74°F Jul (23°C)
| Annual Average | 59.2°F |
| 10% above US avg | |
| January Average | 44°F (6°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 125 days/yr |
Geography
| Elevation | 161 ft (49 m) |
| Area | 1,400.4 sq mi (3,627.1 km²) |
| Population Density | 1/sq mi |
| Coordinates | 30.2346°N, 130.5352°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 0.2 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1996 | KYUSHU ISLAND | Earthquake | 0.2 m | — | 65 km |
| 1961 | RYUKYU ISLANDS | Earthquake | 0.2 m | — | 141 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Kuchinoerabujima (38 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Kuchinoerabujima | Stratovolcano(es) | 657 m (2,156 ft) | 2020 | 38 km |
| Kuchinoshima | Stratovolcano(es) | 628 m (2,060 ft) | 1190 | 66 km |
| Kikai | Caldera | 704 m (2,310 ft) | 2020 | 66 km |
| Nakanoshima | Stratovolcano(es) | 979 m (3,212 ft) | 1914 | 78 km |
| Suwanosejima | Stratovolcano(es) | 796 m (2,612 ft) | 2020 | 103 km |
| Ata | Caldera(s) | 924 m (3,031 ft) | 885 | 110 km |
| Akusekijima | Stratovolcano(es) | 555 m (1,821 ft) | Unknown | 125 km |
| Aira | Caldera | 1,117 m (3,665 ft) | 2020 | 152 km |
| Yonemaru-Sumiyoshiike | Maar(s) | 40 m (131 ft) | -6200 | 171 km |
| Kirishimayama | Shield | 1,700 m (5,577 ft) | 2018 | 192 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (6°C) | 6.0 in | Coldest |
| February | 45°F (7°C) | 7.2 in | |
| March | 50°F (10°C) | 9.7 in | |
| April | 57°F (14°C) | 11.4 in | |
| May | 62°F (17°C) | 15.0 in | |
| June | 68°F (20°C) | 20.6 in | Wettest |
| July | 74°F (23°C) | 13.3 in | |
| August | 74°F (23°C) | 12.2 in | Warmest |
| September | 71°F (22°C) | 11.5 in | |
| October | 64°F (18°C) | 7.8 in | |
| November | 56°F (13°C) | 7.1 in | |
| December | 48°F (9°C) | 5.4 in | Driest |
Koshima has a seasonal temperature swing of 31°F / from 44°F in January to 74°F in August. Total annual precipitation is 127.1 inches, with June being the wettest month (20.6") and December the driest (5.4").