Nikaho にかほ市 | |
|---|---|
Nikaho City Hall | |
![]() Location of Nikaho in Akita Prefecture | |
| Coordinates:39°12′10.8″N139°54′27.9″E / 39.203000°N 139.907750°E /39.203000; 139.907750 | |
| Country | Japan |
| Region | Tōhoku |
| Prefecture | Akita |
| Area | |
• Total | 241.13 km2 (93.10 sq mi) |
| Population (February 28, 2023) | |
• Total | 22,958 |
| • Density | 95.210/km2 (246.59/sq mi) |
| Time zone | UTC+9 (Japan Standard Time) |
| Phone number | 0184-43-3200 |
| Address | 1 Aza-Hamanota, Kisakatamachi, Nikaho-shi 018-0113 |
| Climate | Cfa |
| Website | Official website |
| Symbols | |
| Bird | sea cormorant |
| Fish | Gadidae |
| Flower | silk tree |
| Tree | Sugi |

Nikaho (にかほ市,Nikaho-shi) is acity located inAkita Prefecture,Japan. As of 28 February 2023[update], the city had an estimatedpopulation of 22,958 in 9388 households,[1] and apopulation density of 95 persons per km2. The total area of the city is 241.13 square kilometres (93.10 sq mi).
Nikaho is located at the far southwest corner of Akita Prefecture, bordered by theSea of Japan to the west, and byYamagata Prefecture to the south. Part of the city is within the borders of theChōkai Quasi-National Park.[2]
Akita Prefecture
Yamagata Prefecture
Nikaho has aHumid subtropical climate (Köppen climate classificationCfa) with large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. Precipitation is significant throughout the year, but is heaviest from August to October. The average annual temperature in Nikaho is 13.0 °C. The average annual rainfall is 1877 mm with September as the wettest month. The temperatures are highest on average in August, at around 24.4 °C, and lowest in January, at around -0.9 °C.[3]
| Climate data for Nikaho (1991−2020 normals, extremes 1976−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 16.5 (61.7) | 20.0 (68.0) | 23.3 (73.9) | 28.8 (83.8) | 29.1 (84.4) | 34.4 (93.9) | 37.4 (99.3) | 38.1 (100.6) | 38.2 (100.8) | 32.3 (90.1) | 27.3 (81.1) | 21.7 (71.1) | 38.2 (100.8) |
| Mean daily maximum °C (°F) | 5.1 (41.2) | 5.4 (41.7) | 8.4 (47.1) | 13.8 (56.8) | 18.9 (66.0) | 22.7 (72.9) | 26.4 (79.5) | 28.7 (83.7) | 25.3 (77.5) | 19.6 (67.3) | 13.8 (56.8) | 8.2 (46.8) | 16.4 (61.4) |
| Daily mean °C (°F) | 2.5 (36.5) | 2.6 (36.7) | 5.2 (41.4) | 10.0 (50.0) | 15.1 (59.2) | 19.3 (66.7) | 23.3 (73.9) | 25.1 (77.2) | 21.5 (70.7) | 15.9 (60.6) | 10.3 (50.5) | 5.2 (41.4) | 13.0 (55.4) |
| Mean daily minimum °C (°F) | −0.2 (31.6) | −0.3 (31.5) | 1.7 (35.1) | 5.8 (42.4) | 11.3 (52.3) | 15.8 (60.4) | 20.3 (68.5) | 21.6 (70.9) | 17.7 (63.9) | 11.8 (53.2) | 6.4 (43.5) | 2.0 (35.6) | 9.5 (49.1) |
| Record low °C (°F) | −7.6 (18.3) | −8.7 (16.3) | −5.8 (21.6) | −2.4 (27.7) | 3.6 (38.5) | 7.2 (45.0) | 12.0 (53.6) | 12.7 (54.9) | 8.8 (47.8) | 3.1 (37.6) | −4.5 (23.9) | −6.4 (20.5) | −8.7 (16.3) |
| Averageprecipitation mm (inches) | 126.8 (4.99) | 87.6 (3.45) | 90.3 (3.56) | 86.4 (3.40) | 93.8 (3.69) | 105.9 (4.17) | 166.5 (6.56) | 160.1 (6.30) | 152.4 (6.00) | 166.5 (6.56) | 175.3 (6.90) | 169.8 (6.69) | 1,567.9 (61.73) |
| Average precipitation days(≥ 1.0 mm) | 22.3 | 18.0 | 15.8 | 12.0 | 11.1 | 10.0 | 12.4 | 10.4 | 12.5 | 14.5 | 19.0 | 23.1 | 181.1 |
| Mean monthlysunshine hours | 33.2 | 56.4 | 115.3 | 175.9 | 196.6 | 178.8 | 161.8 | 199.0 | 154.5 | 132.6 | 80.5 | 39.7 | 1,532.1 |
| Source:JMA[4][5] | |||||||||||||
Per Japanese census data,[6] the population of Nikaho has been declining over the past 30 years.
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The area of present-day Nikaho was part of ancientUgo Province, dominated by theSatake clan during theEdo period, who ruledKubota Domain under theTokugawa shogunate. After the start of theMeiji period, it became part ofYuri District, Akita Prefecture in 1878 with the establishment of the modern municipalities system. The village of Hirasawa was established on April 1, 1889, and was raised to town status on June 4, 1902. After merging with the villages of Koide and Innai on March 31, 1955, it was renamed Nikaho town.
The city of Nikaho was established on October 1, 2005, from the merger of Nikaho, with the neighboring the towns ofKisakata andKonoura.
Nikaho has amayor-council form of government with a directly elected mayor and aunicameral city legislature of 18 members. The city contributes one member to the Akita Prefectural Assembly. In terms of national politics, the city is part of Aichi District 3 of thelower house of theDiet of Japan.

The economy of Nikaho is based oncommercial fishing and agriculture centered on rice cultivation, and light manufacturing. More than 80% of the manufactured goods shipment value is accounted for by the electronic components, devices, and electronic circuit manufacturing. Industry includes a large factory by the electronics firmTDK.
Nikaho has four public elementary schools and three public junior high schools operated by the city government, and one public high schools operated by the Akita Prefectural Board of Education.
East Japan Railway Company -Uetsu Main Line

Mount Chōkai is an inactive volcano which stands alone on the border betweenAkita Prefecture andYamagata Prefecture. It is 2236 metres high and is the second highest mountain in theTōhoku area. It is popular with skiers, hikers and climbers.
There are two main trails for climbing Mount Chōkai from the Akita side. One trailhead is inYurihonjō, Akita, north of Nikaho. The other, in Nikaho, starts at the Nakajima parking area. A one-way hike from the Nakajima commonly takes 4 hours and offers outstanding views of the Japan Sea coast and the lush greenery of the Nikaho area.
The mountain has its own unique Alpine plants and vegetation such as Chōkai Thistle (チョウカイアザミ) or Chōkai Fusuma (チョウカイフスマ).