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Seiyo, Japan
Full City Profile
4.1
/5.0
A
Great
646 ft
Elevation
197 meters
58°F
Avg Temperature
15°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$28,200 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$68,000 home value, $340/mo rent
Seiyo enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 44°F in January while summers reach 77°F in July. The area gets 288 sunny days per year. Annual precipitation totals 60.9 inches. The area receives 3.3 inches of snow annually.
Temperature
44°F Jan (7°C)
77°F Jul (25°C)
| Annual Average | 58.4°F |
| 8% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 288 days/yr |
Geography
| Elevation | 646 ft (197 m) |
| Area | 451.3 sq mi (1,168.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 33.3882°N, 132.6318°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
11 tsunamis recorded within 500 km. Highest wave on record: 8.0 m (26 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 87 km |
| 1968 | SEIKAIDO | Earthquake | 3.1 m | 1 | 122 km |
| 1769 | SW. KYUSHU ISLAND | Earthquake | 2.5 m | — | 135 km |
| 1939 | SEIKAIDO | Earthquake | 0.8 m | 1 | 135 km |
| 1931 | SEIKAIDO | Earthquake | 0.8 m | 1 | 141 km |
| 1984 | KYUSHU, JAPAN | Earthquake | 0.2 m | — | 129 km |
| 1969 | RYUKYU ISLANDS | Earthquake | 0.1 m | — | 141 km |
| 1899 | SEIKAIDO | Earthquake | — | — | 83 km |
| 1715 | SEIKAIDO | Earthquake | — | — | 87 km |
| 1698 | SEIKAIDO-NANKAIDO | Earthquake | — | — | 87 km |
| 1597 | BEPPU BAY, JAPAN | Eruption + Earthquake | — | 40 | 96 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Yufu-Tsurumi (116 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 116 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 133 km |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 153 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 156 km |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 195 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 2.4 in | Driest |
| February | 41°F (5°C) | 3.5 in | Coldest |
| March | 46°F (8°C) | 5.2 in | |
| April | 56°F (13°C) | 7.5 in | |
| May | 63°F (17°C) | 8.0 in | |
| June | 70°F (21°C) | 11.2 in | Wettest |
| July | 77°F (25°C) | 10.9 in | |
| August | 78°F (26°C) | 6.3 in | Warmest |
| September | 72°F (22°C) | 9.7 in | |
| October | 62°F (17°C) | 6.1 in | |
| November | 53°F (12°C) | 3.5 in | |
| December | 43°F (6°C) | 2.7 in |
Seiyo has a seasonal temperature swing of 38°F / from 41°F in February to 78°F in August. Total annual precipitation is 77.0 inches, with June being the wettest month (11.2") and January the driest (2.4").