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Koganei, Japan
Full City Profile
4.1
/5.0
A
Great
126,074
Population
28,653/sq mi density
262 ft
Elevation
80 meters
62°F
Avg Temperature
17°C
A
Overall
4.1 / 5.0
Strong
B+
Economy
3.5 / 5.0
$45,800 median income, 2.7% unemployment
A+
Affordability
4.6 / 5.0
$166,000 home value, $830/mo rent
Koganei enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 40°F in January while summers reach 81°F in July. The area gets 288 sunny days per year. Annual precipitation totals 59.7 inches. The area receives 2.5 inches of snow annually.
Temperature
40°F Jan (5°C)
81°F Jul (27°C)
| Annual Average | 62.0°F |
| 15% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 288 days/yr |
Geography
| Elevation | 262 ft (80 m) |
| Area | 4.4 sq mi (11.4 km²) |
| Population Density | 28,653/sq mi |
| Coordinates | 35.7001°N, 139.5111°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 13.0 m (43 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1923 | SAGAMI BAY | Earthquake | 13.0 m | 105,385 | 67 km |
| 1703 | OFF SW BOSO PENINSULA | Earthquake | 11.7 m | 5,233 | 114 km |
| 1495 | KAMAKURA, SAGAMI BAY, TOKAIDO | Earthquake | 5.0 m | 200 | 67 km |
| 1732 | KUJUKURI BEACH, JAPAN | Earthquake | 2.0 m | — | 129 km |
| 1670 | BOSO, JAPAN | Earthquake | 2.0 m | — | 136 km |
| 1433 | OFF IZU-OSHIMA | Earthquake | 2.0 m | — | 89 km |
| 1980 | HONSHU ISLAND | Earthquake | 0.6 m | — | 104 km |
| 1978 | TOKAIDO | Earthquake | 0.4 m | 25 | 102 km |
| 1923 | RYUKYU ISLANDS | Earthquake | 0.3 m | — | 109 km |
| 1974 | TOKAIDO | Earthquake | 0.2 m | 30 | 143 km |
| 1990 | JAPAN | Earthquake | 0.2 m | — | 113 km |
| 1857 | TOKAIDO | Earthquake | — | — | 149 km |
| 1855 | TOKAIDO | Earthquake | — | 6,757 | 27 km |
| 1782 | ODAWARA, SAGAMI BAY | Eruption + Earthquake | — | — | 69 km |
| 1642 | BOSO, JAPAN | Earthquake | — | — | 113 km |
| 1633 | SAGAMI BAY | Earthquake | — | 150 | 62 km |
| 1602 | BOSO, JAPAN | Eruption + Earthquake | — | — | 112 km |
| 1257 | SAGAMI BAY, JAPAN | Earthquake | — | — | 56 km |
| 1241 | KAMAKURA, SAGAMI BAY | Earthquake | — | — | 57 km |
| 818 | TOKAIDO | Eruption + Earthquake | — | — | 59 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Hakoneyama (68 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 68 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 80 km |
| Izu-Tobu | Pyroclastic cone(s) | 1,406 m (4,613 ft) | 1989 | 97 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 100 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 105 km |
| Izu-Oshima | Stratovolcano | 758 m (2,487 ft) | 1990 | 109 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 116 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 118 km |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 119 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 122 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 123 km |
| Toshima | Stratovolcano | 508 m (1,667 ft) | -4550 | 133 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 135 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 136 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 141 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 1.6 in | Coldest, Driest |
| February | 41°F (5°C) | 2.2 in | |
| March | 47°F (8°C) | 3.7 in | |
| April | 57°F (14°C) | 4.5 in | |
| May | 65°F (18°C) | 5.4 in | |
| June | 71°F (22°C) | 7.3 in | |
| July | 81°F (27°C) | 6.4 in | Warmest |
| August | 80°F (27°C) | 6.9 in | |
| September | 73°F (23°C) | 8.1 in | Wettest |
| October | 63°F (17°C) | 6.7 in | |
| November | 53°F (12°C) | 3.2 in | |
| December | 44°F (7°C) | 1.6 in |
Koganei has a seasonal temperature swing of 41°F / from 40°F in January to 81°F in July. Total annual precipitation is 57.5 inches, with September being the wettest month (8.1") and January the driest (1.6").