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Karuizawa, Japan
Full City Profile
4.2
/5.0
A
Great
20,023
Population
366/sq mi density
3,123 ft
Elevation
952 meters
46°F
Avg Temperature
8°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$30,100 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$76,000 home value, $380/mo rent
Karuizawa experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 26°F in January while summers reach 67°F in July. The area gets 232 sunny days per year. Annual precipitation totals 57.1 inches. The area receives 8.0 inches of snow annually.
Temperature
26°F Jan (-4°C)
67°F Jul (19°C)
| Annual Average | 46.4°F |
| 14% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 232 days/yr |
Geography
| Elevation | 3,123 ft (952 m) |
| Area | 54.7 sq mi (141.8 km²) |
| Population Density | 366/sq mi |
| Coordinates | 36.3500°N, 138.6333°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
12 tsunamis recorded within 500 km. Highest wave on record: 0.2 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1987 | HONSHU ISLAND | Earthquake | 0.2 m | — | 140 km |
| 2007 | HONSHU: W COAST | Earthquake | — | 15 | 136 km |
| 1855 | TOKAIDO | Earthquake | — | 6,757 | 131 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | — | 2,100 | 106 km |
| 1633 | SAGAMI BAY | Earthquake | — | 150 | 138 km |
| 1614 | NIIGATA PREFECTURE | Earthquake | — | — | 140 km |
| 1448 | SADO, JAPAN | Earthquake | — | — | 134 km |
| 1257 | SAGAMI BAY, JAPAN | Earthquake | — | — | 150 km |
| 1241 | KAMAKURA, SAGAMI BAY | Earthquake | — | — | 145 km |
| 887 | NIIGATA | Earthquake | — | 2,000 | 136 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | — | — | 101 km |
| 818 | TOKAIDO | Eruption + Earthquake | — | — | 141 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Asamayama (12 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Asamayama | Complex | 2,568 m (8,425 ft) | 2019 | 12 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 24 km |
| Kusatsu-Shiranesan | Stratovolcano(es) | 2,165 m (7,103 ft) | 2018 | 31 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 39 km |
| Yokodake | Stratovolcano(es) | 2,480 m (8,136 ft) | 1200 | 41 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 55 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 76 km |
| Niigata-Yakeyama | Lava dome | 2,400 m (7,874 ft) | 1998 | 83 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 83 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 89 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 89 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 92 km |
| Washiba-Kumonotaira | Shield(s) | 2,924 m (9,593 ft) | Unknown | 93 km |
| Yakedake | Stratovolcano(es) | 2,455 m (8,054 ft) | 1995 | 95 km |
| Midagahara | Stratovolcano | 2,621 m (8,599 ft) | 1839 | 97 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 1.6 in | Coldest |
| February | 26°F (-3°C) | 2.1 in | |
| March | 31°F (-0°C) | 3.0 in | |
| April | 44°F (6°C) | 4.1 in | |
| May | 53°F (12°C) | 4.9 in | |
| June | 60°F (15°C) | 7.9 in | |
| July | 67°F (19°C) | 8.1 in | |
| August | 69°F (21°C) | 8.2 in | Warmest |
| September | 61°F (16°C) | 8.4 in | Wettest |
| October | 50°F (10°C) | 5.0 in | |
| November | 40°F (5°C) | 2.6 in | |
| December | 31°F (-0°C) | 1.3 in | Driest |
Karuizawa has a seasonal temperature swing of 43°F / from 26°F in January to 69°F in August. Total annual precipitation is 57.1 inches, with September being the wettest month (8.4") and December the driest (1.3").