imported>Spsn34: /* Climate */

2025-07-21T06:19:18Z

Climate

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{{Infobox settlement

| name = Tsunan
| native_name = {{nobold|{{lang|ja|津南町}}}}
| official_name =
| native_name_lang = ja
| settlement_type = [[Towns of Japan|Town]]

| image_skyline = 津南市街.JPG
| imagesize =
| image_alt =
| image_caption = Central Tsunan
| image_flag = Flag of Tsunan, Niigata.svg
| flag_alt =
| image_seal = Emblem of Tsunan, Niigata.svg
| seal_alt =
| image_shield =
| shield_alt =
| image_blank_emblem =
| nickname =
| motto =

| image_map = Tsunan in Niigata Prefecture Ja.svg
| map_alt =
| map_caption = Location of Tsunan in Niigata
| pushpin_map = Japan
| pushpin_label_position = 
| pushpin_map_alt =
| pushpin_map_caption =  
| coordinates = {{coord|37|0|51.4|N|138|39|9.1|E|region:JP|display=inline,title}}
| coor_pinpoint = 
| coordinates_footnotes = 

| subdivision_type = [[List of sovereign states|Country]]
| subdivision_name = Japan
| subdivision_type1 = [[List of regions of Japan|Region]]
| subdivision_name1 = [[Chūbu region|Chūbu]] ([[Kōshin'etsu region|Kōshin'etsu]]) ([[Hokuriku region|Hokuriku]])
| subdivision_type2 = [[Prefectures of Japan|Prefecture]]
| subdivision_name2 = [[Niigata Prefecture|Niigata]]
| subdivision_type3 = [[Districts of Japan|District]]
| subdivision_name3 = [[Nakauonuma District, Niigata|Nakauonuma]]

| established_title = 
| established_date =
| founder =
| named_for =

| seat_type = 
| seat =

| government_footnotes = 
| leader_party =
| leader_title = Mayor
| leader_name =
| leader_title1 =
| leader_name1 = 

| total_type = 
| unit_pref = 

| area_magnitude = 
| area_footnotes = 
| area_total_km2 = 170.21
| area_land_km2 =
| area_water_km2 =
| area_water_percent =
| area_note =

| elevation_footnotes = 
| elevation_m =

| population_footnotes = 
| population_total = 9349
| population_as_of = March 31, 2020
| population_density_km2 = auto
| population_est =
| pop_est_as_of =
| population_demonym = 
| population_note =

| timezone1 = [[Japan Standard Time]]
| utc_offset1 = +9
| timezone1_DST =
| utc_offset1_DST =

| postal_code_type =
| postal_code =
| area_code_type = 
| area_code =

| blank_name_sec1 = Phone number
| blank_info_sec1 = 025-765-3111
| blank1_name_sec1 = Address
| blank1_info_sec1 = 585 Shimofunato, Tsunan-machi, Nakauonuma-gun, Niigata-ken 949-8201

| blank_name_sec2 = [[Köppen climate classification|Climate]]
| blank_info_sec2 = [[Humid subtropical climate|Cfa]]

| website = {{Official|1=http://www.town.tsunan.niigata.jp/}}
| footnotes =
| module = {{Infobox place symbols| embedded=yes
| tree = [[Paulownia tomentosa]]
| flower = [[Chrysanthemum morifolium]]
| bird = [[Japanese bush-warbler]]
| flowering_tree =
| butterfly =
| fish =
| other_symbols =
}}
}}
[[file:名水竜ヶ窪.jpg|thumb|right|Ryu-ga-Kubo springs]]
[[file:Akasawa, Tsunan, Nakauonuma District, Niigata Prefecture 949-8203, Japan - panoramio (1).jpg|thumb|right|Akasawa neighborhood in Tsunan]]
{{Nihongo|'''Tsunan'''|津南町|Tsunan-machi}} is a [[Towns of Japan|town]] located in [[Niigata Prefecture]], [[Japan]]. {{As of|2019|07|01}}, the town had an estimated [[population]] of 9,349 in 3480 households,<ref>[https://www.town.tsunan.niigata.jp/uploaded/attachment/3509.pdf Tsunan town official statistics] {{in lang|ja}}</ref> and a [[population density]] of 54.2 persons per km². The total area of the town was {{convert|170.21|sqkm|sqmi}}.

==Geography==
Tsunan is located in southwestern Niigata Prefecture, in a mountainous area bordering northern Nagano Prefecture. The town is located on a [[fluvial terrace|river terrace]] of the [[Shinano River]] with the town hall at an elevation of 241 meters; however, much of the town area is mountainous, with [[Mount Naeba]] (2143 meters) partly located within the town limits. Due to its geographical location between the [[Sea of Japan]] and the surrounding [[Japanese Alps]], it has one of the highest annual snowfalls in Japan. There are numerous ski resorts within the region.

===Surrounding municipalities===
*[[Nagano Prefecture]]
**[[Sakae, Nagano|Sakae]]
*[[Niigata Prefecture]]
**[[Tōkamachi, Niigata|Tōkamachi]]
**[[Yuzawa, Niigata|Yuzawa]]

=== Climate ===
Tsunan has a [[Humid subtropical climate]] with continental influences (Köppen ''Cfa/Dfa'') characterized by hot, wet summers and cold winters with heavy snowfall. The average annual temperature in Tsunan is {{cvt|10.9|C}}. The average annual rainfall is {{cvt|1954.0|mm}} with September as the wettest month. The temperatures are highest on average in August, at around {{cvt|23.8|C}}, and lowest in January, at around {{cvt|-1.2|C}}.<ref name ="normals"/>

{{Weather box
|width = auto
|collapsed = Y
|single line = Y
|metric first = Y
|location = Tsunan, elevation {{convert|452|m|ft|abbr=on}}, (1991−2020 normals, extremes 1978−present)
|Jan record high C = 13.1
|Feb record high C = 17.3
|Mar record high C = 19.8
|Apr record high C = 28.1
|May record high C = 30.8
|Jun record high C = 33.7
|Jul record high C = 34.8
|Aug record high C = 35.0
|Sep record high C = 33.8
|Oct record high C = 31.8
|Nov record high C = 23.5
|Dec record high C = 19.6
|Jan record low C = -15.8
|Feb record low C = -16.5
|Mar record low C = -14.2
|Apr record low C = -8.1
|May record low C = 0.1
|Jun record low C = 6.8
|Jul record low C = 10.5
|Aug record low C = 11.5
|Sep record low C = 5.5
|Oct record low C = -0.9
|Nov record low C = -5.8
|Dec record low C = -11.1
|Jan high C = 1.8
|Feb high C = 2.6
|Mar high C = 6.3
|Apr high C = 13.4
|May high C = 20.3
|Jun high C = 23.5
|Jul high C = 26.9
|Aug high C = 28.4
|Sep high C = 24.0
|Oct high C = 17.8
|Nov high C = 11.6
|Dec high C = 5.0
|Jan mean C = -1.2
|Feb mean C = -0.9
|Mar mean C = 2.1
|Apr mean C = 8.0
|May mean C = 14.9
|Jun mean C = 19.0
|Jul mean C = 22.7
|Aug mean C = 23.8
|Sep mean C = 19.6
|Oct mean C = 13.5
|Nov mean C = 7.3
|Dec mean C = 1.7
|Jan low C = -4.4
|Feb low C = -4.8
|Mar low C = -2.0
|Apr low C = 3.3
|May low C = 9.8
|Jun low C = 15.1
|Jul low C = 19.3
|Aug low C = 20.1
|Sep low C = 15.9
|Oct low C = 9.6
|Nov low C = 3.5
|Dec low C = -1.4
|precipitation colour = green
|Jan precipitation mm = 234.1
|Feb precipitation mm = 146.9
|Mar precipitation mm = 119.3
|Apr precipitation mm = 88.8
|May precipitation mm = 97.6
|Jun precipitation mm = 130.4
|Jul precipitation mm = 199.9
|Aug precipitation mm = 172.9
|Sep precipitation mm = 181.2
|Oct precipitation mm = 165.3
|Nov precipitation mm = 161.1
|Dec precipitation mm = 241.3
|year precipitation mm = 1954.0
|unit precipitation days = 1.0 mm
|Jan precipitation days = 23.3
|Feb precipitation days = 19.0
|Mar precipitation days = 18.4
|Apr precipitation days = 13.2
|May precipitation days = 12.0
|Jun precipitation days = 13.0
|Jul precipitation days = 14.9
|Aug precipitation days = 12.9
|Sep precipitation days = 14.2
|Oct precipitation days = 14.1
|Nov precipitation days = 16.5
|Dec precipitation days = 21.3
|Jan snow cm = 436
|Feb snow cm = 313
|Mar snow cm = 191
|Apr snow cm = 58
|May snow cm = 3
|Jun snow cm = 0
|Jul snow cm = 0
|Aug snow cm = 0
|Sep snow cm = 0
|Oct snow cm = 0
|Nov snow cm = 26
|Dec snow cm = 290
|year snow cm = 1301
| Jan snow depth cm = 228
| Feb snow depth cm = 271
| Mar snow depth cm = 234
| Apr snow depth cm = 136
| May snow depth cm = 4
| Jun snow depth cm = 0
| Jul snow depth cm = 0
| Aug snow depth cm = 0
| Sep snow depth cm = 0
| Oct snow depth cm = 0
| Nov snow depth cm = 12
| Dec snow depth cm = 118
| year snow depth cm = 271
|unit snow days = 3 cm
|Jan snow days = 23.7
|Feb snow days = 18.7
|Mar snow days = 18.4
|Apr snow days = 9.2
|May snow days = 0.4
|Jun snow days = 0
|Jul snow days = 0
|Aug snow days = 0
|Sep snow days = 0
|Oct snow days = 0
|Nov snow days = 2.4
|Dec snow days = 16.6
|Jan sun = 53.1
|Feb sun = 71.4
|Mar sun = 101.1
|Apr sun = 157.3
|May sun = 196.2
|Jun sun = 145.5
|Jul sun = 136.6
|Aug sun = 178.6
|Sep sun = 124.7
|Oct sun = 120.0
|Nov sun = 99.2
|Dec sun = 69.5
|year sun = 1447.0
|source 1 = [[Japan Meteorological Agency]]<ref>{{cite web
| url = https://www.data.jma.go.jp/obd/stats/etrn/view/rank_a.php?prec_no=54&block_no=0543&year=&month=&day=&view=h0
|script-title=ja:観測史上1～10位の値（年間を通じての値）
| publisher = [[Japan Meteorological Agency|JMA]]
| access-date = March 24, 2022}}</ref><ref name ="normals">{{cite web
| url = https://www.data.jma.go.jp/obd/stats/etrn/view/nml_amd_ym.php?prec_no=54&block_no=0543&year=&month=&day=&view=h0
|script-title=ja:気象庁 / 平年値（年・月ごとの値）
| publisher = [[Japan Meteorological Agency|JMA]]
| access-date = March 24, 2022}}</ref>}}

==Demographics==
Per Japanese census data,<ref>[https://www.citypopulation.de/php/japan-niigata.php Tsunan population statistics]</ref> the population of Tsunan has declined steadily over the past 70 years and is now considerably less than it was a century ago.
{{Historical populations
| 1920 | 16,326
| 1930 | 18,751
| 1940 | 21,843
| 1950 | 21,684
| 1960 | 20,072
| 1970 | 16,092
| 1980 | 13,841
| 1990 | 12,955
| 2000 | 12,389
| 2010 | 10,881
| 2020 | 8,989
|align = none
| footnote =
}}

==History==
The area of present-day Tsunan was part of ancient [[Echigo Province]] and was ''[[tenryō]]'' territory under the direct control of the [[Tokugawa shogunate]] in the [[Edo period]]. Following the [[Meiji restoration]], the area was organised into various villages within [[Nakauonuma District, Niigata]] The town of Tsunan was established on January 1, 1955 by the merger of the villages of Tomaru, Kamigō, Ashigasaki, Akinari, Nakafukami and Shimofunato.

==Government==
[[File:Tsunan-machi-yakuba.JPG|thumb|Tsunan town hall]]
Tsunan has a [[mayor-council]] form of government with a directly elected mayor and a [[unicameral]] city council of 14 members. Tsunan, together with the city of Tōkamachi, collectively contributes two member to the Niigata Prefectural Assembly. In terms of national politics, the town is part of [[Niigata 6th district]] of the [[House of Representatives of Japan|lower house]] of the [[Diet of Japan]].

==Economy==
The local economy is dominated by agriculture. The area is known for its rice, ''[[sake]]'', tomatoes, sunflowers, and buckwheat noodles. The town is also within commuting distance of neighbouring Tōkamachi.

==Education==
Tsunan has three public elementary schools and one public middle school operated by the town government. There is one public high school operated by the Niigata Prefecture Board of Education.

==Transportation==
===Railway===
[[File:JR logo (east).svg|20px]] [[JR East]] - [[Iiyama Line]]
*{{STN|Ashidaki|x}} - {{STN|Echigo-Tanaka|x}} - {{STN|Tsunan|x}} - {{STN|Echigo-Shikawatari|x}}

===Highway===
* {{jct|country=JPN|Route|117}}
* {{jct|country=JPN|Route|353}}
* {{jct|country=JPN|Route|405}}

==Local attractions==
*[[Echigo-Tsumari Art Triennial]]
*[[Nishiotaki Dam]]
*[[Okinohara Site]], Jomon period ruins, a National Historic Site
*Ryu-ga-kubo, one of the 100 Famous Springs of Japan

==References==
{{reflist}}

==External links==
*{{Commons category-inline|Tsunan, Niigata}}
*[http://www.town.tsunan.niigata.jp/ Official Website] {{in lang|ja}}

{{Niigata}}
{{Authority control}}

[[Category:Towns in Niigata Prefecture]]
[[Category:Tsunan, Niigata]]

Tsunan - Revision history

imported>Spsn34: /* Climate */