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Seirō, Japan
Full City Profile
4.1
/5.0
A
Great
14,259
Population
462/sq mi density
16 ft
Elevation
5 meters
56°F
Avg Temperature
13°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$28,700 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$74,000 home value, $370/mo rent
Seirō enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 35°F in January while summers reach 76°F in July. The area gets 198 sunny days per year. Annual precipitation totals 76.0 inches. The area receives 14.1 inches of snow annually.
Temperature
35°F Jan (1°C)
76°F Jul (24°C)
| Annual Average | 55.6°F |
| 3% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 198 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 30.8 sq mi (79.9 km²) |
| Population Density | 462/sq mi |
| Coordinates | 37.9833°N, 139.2550°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
15 tsunamis recorded within 500 km. Highest wave on record: 9.0 m (30 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1833 | NW. HONSHU ISLAND | Earthquake | 9.0 m | 85 | 102 km |
| 1964 | NW. HONSHU ISLAND | Earthquake | 5.8 m | 36 | 45 km |
| 1804 | NW. HONSHU ISLAND | Earthquake | 1.0 m | 450 | 133 km |
| 1987 | HONSHU ISLAND | Earthquake | 0.2 m | — | 136 km |
| 2019 | NIIGATA | Earthquake | 0.1 m | — | 76 km |
| 2007 | HONSHU: W COAST | Earthquake | — | 15 | 82 km |
| 1894 | YAMAGATA, JAPAN | Earthquake | — | 726 | 112 km |
| 1802 | NW. HONSHU ISLAND | Earthquake | — | 19 | 90 km |
| 1762 | NW. HONSHU ISLAND | Earthquake | — | — | 50 km |
| 1751 | NW. HONSHU ISLAND | Eruption + Earthquake | — | 2,100 | 134 km |
| 1614 | NIIGATA PREFECTURE | Earthquake | — | — | 123 km |
| 1448 | SADO, JAPAN | Earthquake | — | — | 107 km |
| 887 | NIIGATA | Earthquake | — | 2,000 | 115 km |
| 863 | NW. HONSHU ISLAND | Eruption + Earthquake | — | — | 148 km |
| 850 | NW. HONSHU ISLAND | Eruption + Earthquake | — | — | 126 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Numazawa (66 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Numazawa | Shield | 835 m (2,740 ft) | -3400 | 66 km |
| Bandaisan | Stratovolcano | 1,816 m (5,958 ft) | 1888 | 83 km |
| Azumayama | Stratovolcano(es) | 1,949 m (6,394 ft) | 1977 | 91 km |
| Adatarayama | Stratovolcano(es) | 1,728 m (5,669 ft) | 1996 | 98 km |
| Zaozan [Zaosan] | Complex | 1,841 m (6,040 ft) | 1940 | 105 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 114 km |
| Hiuchigatake | Stratovolcano | 2,356 m (7,730 ft) | 1544 | 114 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 129 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 132 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 134 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 137 km |
| Chokaisan | Stratovolcano(es) | 2,236 m (7,336 ft) | 1974 | 142 km |
| Naruko | Caldera | 470 m (1,542 ft) | 837 | 153 km |
| Myokosan | Stratovolcano | 2,454 m (8,051 ft) | -750 | 158 km |
| Shiga | Shield(s) | 2,041 m (6,696 ft) | Unknown | 158 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 8.2 in | Coldest |
| February | 35°F (2°C) | 5.9 in | |
| March | 41°F (5°C) | 4.8 in | |
| April | 52°F (11°C) | 4.2 in | |
| May | 61°F (16°C) | 4.1 in | Driest |
| June | 69°F (20°C) | 5.2 in | |
| July | 76°F (24°C) | 7.2 in | |
| August | 79°F (26°C) | 5.3 in | Warmest |
| September | 71°F (22°C) | 6.9 in | |
| October | 60°F (16°C) | 6.7 in | |
| November | 50°F (10°C) | 8.0 in | |
| December | 40°F (5°C) | 9.5 in | Wettest |
Seirō has a seasonal temperature swing of 44°F / from 35°F in January to 79°F in August. Total annual precipitation is 76.0 inches, with December being the wettest month (9.5") and May the driest (4.1").