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Sanmu, Japan
Full City Profile
4.2
/5.0
A
Great
48,444
Population
855/sq mi density
171 ft
Elevation
52 meters
59°F
Avg Temperature
15°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$35,400 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$102,000 home value, $510/mo rent
Sanmu enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 40°F in January while summers reach 75°F in July. The area gets 231 sunny days per year. Annual precipitation totals 58.1 inches. The area receives 0.0 inches of snow annually.
Temperature
40°F Jan (5°C)
75°F Jul (24°C)
| Annual Average | 59.0°F |
| 9% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 231 days/yr |
Geography
| Elevation | 171 ft (52 m) |
| Area | 56.7 sq mi (146.8 km²) |
| Population Density | 855/sq mi |
| Coordinates | 35.6276°N, 140.4176°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 | 102 km |
| 1703 | OFF SW BOSO PENINSULA | Earthquake | 11.7 m | 5,233 | 117 km |
| 1677 | OFF SE. BOSO PENINSULA | Earthquake | 8.0 m | 500 | 121 km |
| 1495 | KAMAKURA, SAGAMI BAY, TOKAIDO | Earthquake | 5.0 m | 200 | 102 km |
| 1732 | KUJUKURI BEACH, JAPAN | Earthquake | 2.0 m | — | 59 km |
| 1670 | BOSO, JAPAN | Earthquake | 2.0 m | — | 55 km |
| 1433 | OFF IZU-OSHIMA | Earthquake | 2.0 m | — | 116 km |
| 1938 | JAPAN TRENCH | Earthquake | 0.8 m | — | 148 km |
| 1980 | HONSHU ISLAND | Earthquake | 0.6 m | — | 145 km |
| 1982 | IBARAKI, JAPAN | Earthquake | 0.4 m | — | 132 km |
| 1961 | KASHIMA, JAPAN | Earthquake | 0.4 m | — | 140 km |
| 1961 | KASHIMA, JAPAN | Earthquake | 0.4 m | — | 148 km |
| 1923 | KASHIMA, JAPAN | Earthquake | 0.4 m | — | 128 km |
| 1978 | TOKAIDO | Earthquake | 0.4 m | 25 | 139 km |
| 1923 | RYUKYU ISLANDS | Earthquake | 0.3 m | — | 83 km |
| 1896 | KASHIMA, JAPAN | Earthquake | 0.3 m | — | 110 km |
| 1935 | JAPAN | Earthquake | 0.2 m | — | 140 km |
| 1990 | JAPAN | Earthquake | 0.2 m | — | 147 km |
| 1855 | TOKAIDO | Earthquake | — | 6,757 | 56 km |
| 1782 | ODAWARA, SAGAMI BAY | Eruption + Earthquake | — | — | 88 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Hakoneyama (134 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 134 km |
| Izu-Oshima | Stratovolcano | 758 m (2,487 ft) | 1990 | 137 km |
| Izu-Tobu | Pyroclastic cone(s) | 1,406 m (4,613 ft) | 1989 | 145 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 151 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 151 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 153 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 153 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 156 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 160 km |
| Toshima | Stratovolcano | 508 m (1,667 ft) | -4550 | 161 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 170 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 171 km |
| Niijima | Lava dome(s) | 432 m (1,417 ft) | 886 | 172 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 179 km |
| Miyakejima | Stratovolcano | 775 m (2,543 ft) | 2010 | 189 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 2.2 in | Coldest, Driest |
| February | 42°F (5°C) | 3.1 in | |
| March | 47°F (8°C) | 4.6 in | |
| April | 57°F (14°C) | 4.8 in | |
| May | 64°F (18°C) | 4.9 in | |
| June | 69°F (21°C) | 6.6 in | |
| July | 75°F (24°C) | 4.8 in | |
| August | 79°F (26°C) | 5.1 in | Warmest |
| September | 73°F (23°C) | 7.9 in | Wettest |
| October | 64°F (18°C) | 7.6 in | |
| November | 54°F (12°C) | 4.2 in | |
| December | 45°F (7°C) | 2.2 in |
Sanmu has a seasonal temperature swing of 38°F / from 40°F in January to 79°F in August. Total annual precipitation is 58.1 inches, with September being the wettest month (7.9") and January the driest (2.2").