All Countries
Seisui, Japan
Kagoshima · Japan
Seisui is a small city in Kagoshima, Japan with a population of 8,546. Elevation: 43 ft (13 m). Average temperature: 71°F (22°C).
Data updated June 2026
Discover Seisui, Japan
Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
Use the tabs and dropdown menus below to navigate every data point we track for this city.
People
Economy
BHousing
A+Climate
| Population | 8,546 |
| Population Density | 8 / sq mi |
| Elevation | 43 ft (13 m) |
| Coordinates | 28.1369°, 129.3307° |
| Timezone | Asia/Tokyo |
| Country | 🇯🇵 Japan |
| State / Province | Kagoshima |
| Average Temperature | 71°F (22°C) |
| January Average | 59°F (15°C) |
| July Average | 82°F (28°C) |
| Annual Precipitation | 94.7 inches (2,406 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
| Median Household Income | $26,600 |
| Median Age | 50.0 years |
About Seisui
Seisui is a small city in Japan (Kagoshima) with a population of 8,546. The city sits at an elevation of 43 feet (13 meters) above sea level. The average annual temperature is 71°F (22°C). Temperatures range from 59°F in January to 82°F in July. Annual precipitation averages 94.7 inches. The timezone is Asia/Tokyo.
Population
Language Spoken at Home
Social Characteristics
Seisui vs Japan Average
Income: Seisui vs Japan
Commute Mode
Income
| Median HH Income | $26,600 |
| 65% below Japan avg |
Employment & Poverty
| Unemployment | 2.6% |
| 28% below Japan avg | |
| Establishments (County) | 273 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
Home Value Sources
Ownership Split
Home Values
| Census Median | $64,000 |
| 77% below Japan avg |
Real Estate Market (Redfin)
Rental Costs
| Census Median Rent | $320 |
| 72% below Japan avg |
Ownership & Property
| Housing Units | 3,418 |
Property Tax
Climate in Seisui
Seisui has an average annual temperature of 21.9°C (71°F). The hottest month is Jul (29.2°C), the coldest is Jan (14.9°C). Average annual precipitation is 2922 mm.
Temperature
| Annual Average | 70.7°F |
| 31% above Japan avg | |
| January Average | 59°F (15°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 167 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 1,094.2 sq mi (2,833.9 km²) |
| Population Density | 8/sq mi |
| Coordinates | 28.1369°N, 129.3307°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 2.6 m (8 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1995 | RYUKYU ISLANDS | Earthquake | 2.6 m | - | 86 km |
| 1995 | RYUKYU ISLANDS | Eruption + Earthquake | 1.5 m | - | 80 km |
| 1901 | RYUKYU ISLANDS | Earthquake | 0.3 m | - | 96 km |
| 1911 | RYUKYU ISLANDS | Earthquake | - | 12 | 67 km |
| 1664 | TORISHIMA, RYUKYU ISLANDS | Astronomical | - | - | 111 km |
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Yokoate-jima (80 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yokoate-jima | Stratovolcano(es) | 495 m (1,624 ft) | 1835 | 80 km |
| Io-Torishima | Complex | 212 m (696 ft) | 1968 | 112 km |
| Akusekijima | Stratovolcano(es) | 555 m (1,821 ft) | Unknown | 150 km |
| Suwanosejima | Stratovolcano(es) | 796 m (2,612 ft) | 2020 | 171 km |
| Nakanoshima | Stratovolcano(es) | 979 m (3,212 ft) | 1914 | 198 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 59°F (15°C) | 5.3 in | Coldest |
| February | 59°F (15°C) | 5.8 in | |
| March | 63°F (17°C) | 7.0 in | |
| April | 68°F (20°C) | 9.3 in | |
| May | 72°F (22°C) | 11.5 in | |
| June | 78°F (25°C) | 14.1 in | Wettest |
| July | 82°F (28°C) | 8.0 in | Warmest |
| August | 82°F (28°C) | 8.2 in | |
| September | 80°F (27°C) | 7.2 in | |
| October | 75°F (24°C) | 6.6 in | |
| November | 69°F (20°C) | 7.0 in | |
| December | 62°F (17°C) | 4.8 in | Driest |
Seisui has a seasonal temperature swing of 24°F / from 59°F in January to 82°F in July. Total annual precipitation is 94.7 inches, with June being the wettest month (14.1") and December the driest (4.8").
Schools in Seisui
24 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| 町立秋徳小学校 | - | - | - | - |
| 県立古仁屋高等学校 | - | - | - | - |
| 町立須子茂小学校 | - | - | - | - |
| 町立阿木名小学校 | - | - | - | - |
| 町立阿木名中学校 | - | - | - | - |
| 町立諸鈍小学校 | - | - | - | - |
| 町立諸鈍中学校 | - | - | - | - |
| 町立西阿室小学校 | - | - | - | - |
| 町立篠川小学校 | - | - | - | - |
| 町立篠川中学校 | - | - | - | - |
| 町立節子小学校 | - | - | - | - |
| 町立節子中学校 | - | - | - | - |
| 町立伊子茂中学校 | - | - | - | - |
| 町立秋徳中学校 | - | - | - | - |
| 町立油井小学校 | - | - | - | - |
| 町立油井中学校 | - | - | - | - |
| 町立押角小学校 | - | - | - | - |
| 町立押角中学校 | - | - | - | - |
| 町立嘉鉄小学校 | - | - | - | - |
| 町立古仁屋小学校 | - | - | - | - |
| 町立古仁屋中学校 | - | - | - | - |
| 町立俵小学校 | - | - | - | - |
| 町立俵中学校 | - | - | - | - |
| 町立伊子茂小学校 | - | - | - | - |
Radio Stations near Seisui
0 stations within ~55 km.
| Station | Genre | Quality |
|---|
Museums in Seisui
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| 加計呂麻島展示・体験交流館 | ||||
| 原野豊芸博物館 | ||||
| 奄美戦史模型資料館 | ||||
| 民俗資料館 | ||||
| 瀬戸内町立郷土館 |
Libraries in Seisui
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| 瀬戸内町立図書館 | 0.0 | |||||
| 鹿児島県立奄美図書館 | 0.0 |
Farmers Markets in Seisui
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| 末広市場 | |||||
| 永田橋市場 |
Hotels in Seisui
3 hotels within city radius - OpenStreetMap data
Restaurants in Seisui
2 restaurants within city radius - OpenStreetMap data
Gas Stations in Seisui
2 gas stations within city radius - OpenStreetMap data
Airports Near Seisui
4 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Amami Airport | ASJ | Medium Airport |
| Kikai Airport | KKX | Medium Airport |
| Okinoerabu Airport | OKE | Medium Airport |
| Tokunoshima Airport | TKN | Medium Airport |
Post Offices in Seisui
11 post offices.
| Post Office | Address |
|---|---|
| 勝浦簡易郵便局 | |
| 古仁屋郵便局 | |
| 嘉鉄簡易郵便局 | |
| 実久郵便局 | |
| 押角郵便局 | |
| 瀬戸内阿木名郵便局 | |
| 節子簡易郵便局 | |
| 篠川郵便局 | |
| 西阿室郵便局 | |
| 諸鈍郵便局 | |
| 阿鉄郵便局 |
Treatment Centers in Seisui
1 treatment centers.
| Center | Type | Phone |
|---|---|---|
| 稲リハビリデイケアセンター |
Churches & Religious Organizations in Seisui
6 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| むちゃかな神社 | |
| 厳島神社 | |
| 古仁屋高千穂神社 | |
| 大屯神社 | |
| 瀬相権現神社 | |
| 龍宮神社 |
Explore Near Seisui
Quick Facts
🇯🇵 About Japan
Public Holidays in Japan
16 public holidays this year
Frequently Asked Questions About Seisui
What is the population of Seisui?
Seisui has a population of 8,546 residents and is located in Japan. The population density is 8 people per square mile, spread across 1,094.2 square miles. The median age of residents is 50.0 years, which is older than the national median of 38.9 years.
Is Seisui expensive to live in?
The median household income is $26,600, 65% below the national average of $75,149. The median home value is $64,000 (77% below the U.S. median). Renters pay a median of $320 per month, below the national average of $1,163. The home price-to-income ratio is 2.4x, indicating housing is reasonably affordable relative to local income levels.
What is the weather like in Seisui?
Seisui has a warm climate with an average annual temperature of 71°F (22°C). Winter temperatures average 59°F in January, while summers reach an average of 82°F in July. The area receives 167 sunny days per year, below the national average of 205. Annual rainfall totals 94.7 inches.
How is the job market in Seisui?
The job market in Seisui is very strong, with unemployment at just 2.6% / well below the national rate of 3.6%. There are 273 business establishments in the area.
How much does housing cost in Seisui?
The median home value in Seisui is $64,000. For renters, the median monthly rent is $320.