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Oshima, Japan
Full City Profile
4.2
/5.0
A
Great
18,630
Population
47/sq mi density
36 ft
Elevation
11 meters
56°F
Avg Temperature
13°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$31,400 median income, 1.9% unemployment
A+
Affordability
5.0 / 5.0
$80,000 home value, $400/mo rent
Oshima enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 36°F in January while summers reach 75°F in July. The area gets 185 sunny days per year. Annual precipitation totals 83.1 inches. The area receives 0.0 inches of snow annually.
Temperature
36°F Jan (2°C)
75°F Jul (24°C)
| Annual Average | 55.8°F |
| 3% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 185 days/yr |
Geography
| Elevation | 36 ft (11 m) |
| Area | 397.5 sq mi (1,029.4 km²) |
| Population Density | 47/sq mi |
| Coordinates | 36.9871°N, 136.7725°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
13 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2024 | HONSHU: W COAST | Eruption + Earthquake | 11.3 m | 549 | 71 km |
| 1993 | HONSHU ISLAND | Earthquake | 0.5 m | — | 83 km |
| 1987 | HONSHU ISLAND | Earthquake | 0.2 m | — | 109 km |
| 2023 | NOTO PENINSULA, JAPAN | Earthquake | 0.1 m | 1 | 78 km |
| 2007 | HONSHU: W COAST | Earthquake | 0.1 m | 1 | 42 km |
| 1892 | SW. HONSHU ISLAND | Earthquake | — | 1 | 3 km |
| 1799 | SW. HONSHU ISLAND | Earthquake | — | — | 46 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | — | 2,100 | 120 km |
| 1726 | KATSUYAMA | Earthquake | — | — | 103 km |
| 1614 | NIIGATA PREFECTURE | Earthquake | — | — | 123 km |
| 1448 | SADO, JAPAN | Earthquake | — | — | 139 km |
| 887 | NIIGATA | Earthquake | — | 2,000 | 131 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | — | — | 110 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
13 volcanoes within 200 km. Closest: Midagahara (86 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 86 km |
| Hakusan | Stratovolcano | 2,702 m (8,865 ft) | 1659 | 93 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 98 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 112 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 113 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 120 km |
| Norikuradake | Stratovolcano(es) | 3,026 m (9,928 ft) | -50 | 120 km |
| Ontakesan | Complex | 3,067 m (10,062 ft) | 2014 | 137 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 159 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 162 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 169 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 171 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 8.5 in | Coldest |
| February | 36°F (2°C) | 6.0 in | |
| March | 42°F (5°C) | 5.2 in | |
| April | 52°F (11°C) | 4.8 in | Driest |
| May | 60°F (16°C) | 5.1 in | |
| June | 68°F (20°C) | 6.9 in | |
| July | 75°F (24°C) | 7.9 in | |
| August | 78°F (26°C) | 5.9 in | Warmest |
| September | 71°F (21°C) | 9.3 in | Wettest |
| October | 60°F (16°C) | 6.3 in | |
| November | 50°F (10°C) | 8.2 in | |
| December | 41°F (5°C) | 9.0 in |
Oshima has a seasonal temperature swing of 42°F / from 36°F in January to 78°F in August. Total annual precipitation is 83.1 inches, with September being the wettest month (9.3") and April the driest (4.8").