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Kainan, Japan
Wakayama · Japan
Kainan is a mid-size city in Wakayama, Japan with a population of 48,369. Elevation: 10 ft (3 m). Average temperature: 59°F (15°C).
Data updated June 2026
Discover Kainan, Japan
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People
Economy
BHousing
A+Climate
| Population | 48,369 |
| Population Density | 1,240 / sq mi |
| Elevation | 10 ft (3 m) |
| Coordinates | 34.1517°, 135.2140° |
| Timezone | Asia/Tokyo |
| Country | 🇯🇵 Japan |
| State / Province | Wakayama |
| Average Temperature | 59°F (15°C) |
| January Average | 40°F (4°C) |
| July Average | 77°F (25°C) |
| Annual Precipitation | 65.2 inches (1,657 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
| Median Household Income | $28,900 |
| Median Age | 50.8 years |
About Kainan
Kainan is a mid-size city in Japan (Wakayama) with a population of 48,369. The city sits at an elevation of 10 feet (3 meters) above sea level. The average annual temperature is 59°F (15°C). Temperatures range from 40°F in January to 77°F in July. Annual precipitation averages 65.2 inches. The timezone is Asia/Tokyo.
Population
Language Spoken at Home
Social Characteristics
Kainan vs Japan Average
Income: Kainan vs Japan
Commute Mode
Income
| Median HH Income | $28,900 |
| 62% below Japan avg |
Employment & Poverty
| Unemployment | 2.5% |
| 31% below Japan avg | |
| Establishments (County) | 1,548 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
Home Value Sources
Ownership Split
Home Values
| Census Median | $70,000 |
| 75% below Japan avg |
Real Estate Market (Redfin)
Rental Costs
| Census Median Rent | $350 |
| 70% below Japan avg |
Ownership & Property
| Housing Units | 19,348 |
Property Tax
Climate in Kainan
Kainan has an average annual temperature of 0°C (32°F). The hottest month is Jan (0°C), the coldest is Jan (0°C). Average annual precipitation is 1434 mm.
Temperature
| Annual Average | 58.8°F |
| 9% above Japan avg | |
| January Average | 40°F (4°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 218 days/yr |
Geography
| Elevation | 10 ft (3 m) |
| Area | 39.0 sq mi (101.1 km²) |
| Population Density | 1,240/sq mi |
| Coordinates | 34.1517°N, 135.2140°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 28.0 m (92 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1854 | NANKAIDO | Earthquake | 28.0 m | 3,000 | 119 km |
| 1707 | NANKAIDO | Earthquake | 25.7 m | 5,000 | 113 km |
| 1605 | NANKAIDO | Earthquake | 10.0 m | 5,000 | 131 km |
| 1946 | HONSHU: S COAST | Earthquake | 6.6 m | 1,362 | 131 km |
| 1711 | SEIONAIKAI, JAPAN | Earthquake | 2.0 m | 1,000 | 113 km |
| 1520 | KII, KUMANANONADA | Earthquake | 2.0 m | - | 118 km |
| 1510 | OSAKA BAY | Earthquake | 2.0 m | - | 53 km |
| 1403 | KUMANONADA | Earthquake | 2.0 m | - | 129 km |
| 922 | KUMANONADA | Earthquake | 2.0 m | - | 143 km |
| 1808 | E. AWA, TOKUSHIMA PREFECTURE | Earthquake | 1.5 m | - | 47 km |
| 1948 | TOKAIDO | Earthquake | 0.6 m | - | 122 km |
| 1995 | KOBE, JAPAN | Earthquake | 0.3 m | 6,434 | 51 km |
| 1791 | OASAKA BAY | Earthquake | - | - | 42 km |
| 1498 | NANKAIDO | Earthquake | - | - | 73 km |
| 1361 | NANKAIDO | Earthquake | - | 660 | 130 km |
| 1360 | KUMANONADA | Earthquake | - | - | 124 km |
| 1331 | OFF TANABE, WAKAYAMA PREFECTURE | Earthquake | - | - | 50 km |
| 1099 | NANKAIDO | Earthquake | - | - | 131 km |
| 887 | NANKAIDO | Earthquake | - | - | 128 km |
| 745 | OSAKA BAY, JAPAN | Earthquake | - | - | 51 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.2 in | Coldest |
| February | 40°F (5°C) | 2.6 in | |
| March | 46°F (8°C) | 4.3 in | |
| April | 56°F (13°C) | 6.2 in | |
| May | 64°F (18°C) | 6.6 in | |
| June | 70°F (21°C) | 10.0 in | Wettest |
| July | 77°F (25°C) | 7.1 in | |
| August | 79°F (26°C) | 5.8 in | Warmest |
| September | 73°F (23°C) | 9.4 in | |
| October | 63°F (17°C) | 5.5 in | |
| November | 54°F (12°C) | 3.7 in | |
| December | 44°F (7°C) | 1.9 in | Driest |
Kainan has a seasonal temperature swing of 39°F / from 40°F in January to 79°F in August. Total annual precipitation is 65.2 inches, with June being the wettest month (10.0") and December the driest (1.9").
Schools in Kainan
35 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| 智辯学園和歌山高等学校 | - | - | - | - |
| 市立浜宮小学校 | - | - | - | - |
| 市立第三中学校 | - | - | - | - |
| 市立海南中学校 | - | - | - | - |
| 市立黒江小学校 | - | - | - | - |
| 町立上六川小学校 | - | - | - | - |
| 県立海南高等学校 | - | - | - | - |
| 智辯学園和歌山中学校 | - | - | - | - |
| 智辯学園和歌山小学校 | - | - | - | - |
| 市立東山東小学校 | - | - | - | - |
| 和歌山県立 紀北支援学校 | - | - | - | - |
| 海南市立海南下津高等学校 | - | - | - | - |
| 海南市立海南中学校運動場 | - | - | - | - |
| 市立大野小学校 | - | - | - | - |
| 市立日方小学校 | - | - | - | - |
| 海南市立南野上小学校 | - | - | - | - |
| 智辯学園和歌山 小学・中学・高等学校 | - | - | - | - |
| 市立下津第二中学校 | - | - | - | - |
| 市立安原小学校 | - | - | - | - |
| 市立亀川小学校 | - | - | - | - |
| 市立仁義小学校 | - | - | - | - |
| 市立内海小学校 | - | - | - | - |
| 市立内海小学校冷水分校 | - | - | - | - |
| 市立加茂第一小学校 | - | - | - | - |
| 市立加茂第二小学校 | - | - | - | - |
| 市立名草小学校 | - | - | - | - |
| 市立塩津小学校 | - | - | - | - |
| 市立亀川中学校 | - | - | - | - |
| 市立安原小学校吉原分校 | - | - | - | - |
| 市立山東小学校 | - | - | - | - |
| 市立巽中学校 | - | - | - | - |
| 市立巽小学校 | - | - | - | - |
| 市立巽小学校別所分校 | - | - | - | - |
| 市立巽小学校東畑分校 | - | - | - | - |
| 市立東中学校 | - | - | - | - |
Radio Stations near Kainan
1 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| NFRS Radio | country, dj sets | MP3 96 kbps |
Museums in Kainan
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Fusion Museum | ||||
| The Museum of Modern Art Wakayama | ||||
| Wakayama City Museum | ||||
| Wakayama Prefectural Museum | ||||
| Wakayama Prefectural Museum of Natural History | ||||
| Wakayama Prefecture Kii-fudoki-no-oka Museum of Archaeology and Folklore | ||||
| ねごろ歴史資料館 | ||||
| わかやま歴史館 | ||||
| わくわく電車らんど | ||||
| 和歌山市立こども科学館 | ||||
| 岩出市民俗資料館 | ||||
| 旧和歌山県議会議事堂(一乗閣) | ||||
| 旧栖原家 | ||||
| 有吉佐和子記念館 | ||||
| 有田川町鉄道交流館 | ||||
| 有田市郷土資料館 | ||||
| 水ときらめき紀の川館 | ||||
| 海南市海南歴史民俗資料館 | ||||
| 湯浅おもちゃ博物館 | ||||
| 湯浅しょうゆ資料館角長の職入蔵 | ||||
| 熊野古道 歴史民俗資料館 | ||||
| 甚風呂 | ||||
| 紀の川市歴史民俗資料館 | ||||
| 職人蔵 | ||||
| 蒸気機関車 D51 1085号機 | ||||
| 醤油資料館 |
Libraries in Kainan
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| 和歌山大学図書館 | 0.0 | |||||
| 和歌山大学図書館 | 0.0 | |||||
| 和歌山市民図書館 | 0.0 | |||||
| 和歌山県立図書館 | 0.0 | |||||
| 和歌山県立図書館 | 0.0 | |||||
| 図書館 | 0.0 | |||||
| 地域交流センター ALEC | 0.0 | |||||
| 地域交流センター ALEC | 0.0 | |||||
| 岩出町立駅前ライブラリー | 0.0 | |||||
| 河北図書館 | 0.0 | |||||
| 泉南市立図書館 | 0.0 | |||||
| 海南nobinos | 0.0 | |||||
| 海南nobinos | 0.0 | |||||
| 海南市下津図書館 | 0.0 | |||||
| 海南市下津図書館 | 0.0 | |||||
| 湯浅町立図書館 | 0.0 | |||||
| 粉河町図書館 | 0.0 | |||||
| 貴志川町立図書館 | 0.0 | |||||
| 金屋町図書館 | 0.0 | |||||
| 阪南市立図書館 | 0.0 |
Farmers Markets in Kainan
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| とれたて広場 | |||||
| 株式会社 ユニ・ワールド 本社/営業本部 | |||||
| 紀の川市桃山物産センター | |||||
| 黑潮市場 |
Hotels in Kainan
2 hotels within city radius - OpenStreetMap data
Restaurants in Kainan
21 restaurants within city radius - OpenStreetMap data
Cafes in Kainan
6 cafes within city radius - OpenStreetMap data
Theatres in Kainan
1 theatres within city radius - OpenStreetMap data
Theme Parks in Kainan
1 theme parks within city radius - OpenStreetMap data
Train Stations in Kainan
10 train stations within city radius - OpenStreetMap data
Gas Stations in Kainan
4 gas stations within city radius - OpenStreetMap data
Banks in Kainan
5 banks within city radius - OpenStreetMap data
Shopping Malls in Kainan
2 shopping malls within city radius - OpenStreetMap data
Golf Courses in Kainan
2 golf courses within city radius - OpenStreetMap data
Stadiums & Teams in Kainan
| Team | League | Division |
|---|---|---|
Airports Near Kainan
9 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Kansai International Airport | KIX | Large Airport |
| Kobe Airport | UKB | Large Airport |
| Osaka Itami International Airport | ITM | Large Airport |
| Tokushima Awaodori Airport / JMSDF Tokushima Air Base | TKS | Large Airport |
| Nanki Shirahama Airport | SHM | Medium Airport |
| Yao Airport | - | Medium Airport |
| JGSDF Aonogahara East Airstrip | - | Small Airport |
| JGSDF Aonogahara West Airstrip | - | Small Airport |
| JGSDF Shinodayama Airfield | - | Small Airport |
Post Offices in Kainan
20 post offices.
| Post Office | Address |
|---|---|
| Kainan Hikata Post Office | |
| Kainan Hongo Post Office | |
| Kainan Kuroe Post Office | |
| Kainan Muroyama Post Office | |
| Kainan Nadaka Post Office | |
| Kainan Ono Post Office | |
| Kainan Post Office | |
| Kamegawa Post Office | |
| Kamo Post Office | |
| Kamogo Post Office | |
| Kimiidera Post Office | |
| Sakai Post Office | |
| Sando Post Office | |
| Shiotsu Post Office | |
| Wakayama Fuyuno Summary Post Office | |
| Wakayama Kemi Post Office | |
| Wakayama Kire Summary Post Office | |
| Yasuhara Post Office | |
| 冷水簡易郵便局 | |
| 海南黒江郵便局 |
Treatment Centers in Kainan
60 treatment centers.
| Center | Type | Phone |
|---|---|---|
| ありいクリニック | ||
| ありいクリニック | ||
| ありた整形外科 | ||
| あんぶクリニック | ||
| うつのみやレディースクリニック | ||
| うつのみやレディースクリニック | ||
| かとうクリニック | ||
| かとうクリニック | ||
| かわばた産婦人科 | ||
| かわばた産婦人科 | ||
| しま内科胃腸科クリニック | ||
| しま内科胃腸科クリニック | ||
| つじもとクリニック | ||
| なかた消化器科内科クリニック | ||
| なかた消化器科内科クリニック | ||
| なかむら消化器科内科 | ||
| なかむら消化器科内科 | ||
| にわ小児科 | ||
| 中山医院 | ||
| 保健センター | ||
| 保健センター | ||
| 北村泌尿器科内科クリニック | ||
| 北村泌尿器科内科クリニック | ||
| 南川眼科 | ||
| 和クリニック | ||
| 和クリニック | ||
| 和歌山スペイクリニック | ||
| 和歌山スペイクリニック | ||
| 和歌山市立 杭ノ瀬診療所 | ||
| 和歌山市立 杭ノ瀬診療所 | ||
| 坂口小児科医院 | ||
| 坂口小児科医院 | ||
| 夏見整形外科 | ||
| 夏見整形外科 | ||
| 大江内科 | ||
| 宮前クリニックモール | ||
| 宮前クリニックモール | ||
| 松本医院 | ||
| 松本医院 | ||
| 柏井小児科 | ||
| 柏井小児科 | ||
| 栗山内科 | ||
| 栗山内科 | ||
| 森脇眼科クリニック | ||
| 河西診療所 | ||
| 河西診療所 | ||
| 泉屋内科クリニック | ||
| 福慈会福外科病院 | ||
| 福慈会福外科病院 | ||
| 秋月レディースクリニック | ||
| 秋月レディースクリニック | ||
| 紀伊風土記の丘クリニック | ||
| 紀伊風土記の丘クリニック | ||
| 耳鼻咽喉科 こばやしクリニック | ||
| 耳鼻咽喉科はやしクリニック | ||
| 耳鼻咽喉科はやしクリニック | ||
| 赤山クリニック | ||
| 野村内科医院 | ||
| 野村内科医院 | ||
| 鉄仁会 平野医院 |
Churches & Religious Organizations in Kainan
35 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Itakiso Shrine | |
| 中言神社 | |
| 光澤寺 | |
| 八幡神社 | |
| 冷水八幡神社 | |
| 善福院 | |
| 地蔵峰寺 | |
| 大井寺 | |
| 天神社 | |
| 山神社 | |
| 山路王子神社 | |
| 廣原寺 | |
| 教専寺 | |
| 春日神社 | |
| 橘本神社 | |
| 正教寺 | |
| 武内神社 | |
| 永教寺 | |
| 浄満寺 | |
| 皇大神社 |
Explore Near Kainan
Quick Facts
🇯🇵 About Japan
Public Holidays in Japan
16 public holidays this year
Frequently Asked Questions About Kainan
What is the population of Kainan?
Kainan has a population of 48,369 residents and is located in Japan. The population density is 1,240 people per square mile, spread across 39.0 square miles. The median age of residents is 50.8 years, which is older than the national median of 38.9 years.
Is Kainan expensive to live in?
The median household income is $28,900, 62% below the national average of $75,149. The median home value is $70,000 (75% below the U.S. median). Renters pay a median of $350 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 Kainan?
Kainan enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winter temperatures average 40°F in January, while summers reach an average of 77°F in July. The area receives 218 sunny days per year. Annual rainfall totals 65.2 inches.
How is the job market in Kainan?
The job market in Kainan is very strong, with unemployment at just 2.5% / well below the national rate of 3.6%. There are 1,548 business establishments in the area.
How much does housing cost in Kainan?
The median home value in Kainan is $70,000. For renters, the median monthly rent is $350.