Iijima, Nagano

Iijima is located in-between the Kiso Mountains and Mount Senjō of the Akaishi Mountains of south-central Nagano Prefecture. The Chikuma River flows through the town.

• Nagano Prefecture
• Iida
• Komagane
• Matsukawa
• Nakagawa
• Ōkuwa

The town has a climate characterized by hot and humid summers, and cold winters (Köppen climate classification Cfa). The average annual temperature in Iijima is {{cvt|11.2|C}}. The average annual rainfall is {{cvt|2014.1|mm}} with July as the wettest month. The temperatures are highest on average in August, at around {{cvt|23.3|C}}, and lowest in January, at around {{cvt|-0.7|C}}.

{{Weather box

|width = auto

|collapsed = Y

|single line = Y

|metric first = Y

|location = Iijima (1991−2020 normals, extremes 1978−present)

|Jan record high C = 14.3

|Feb record high C = 18.9

|Mar record high C = 23.3

|Apr record high C = 28.4

|May record high C = 31.9

|Jun record high C = 34.4

|Jul record high C = 35.3

|Aug record high C = 35.5

|Sep record high C = 33.5

|Oct record high C = 28.6

|Nov record high C = 22.4

|Dec record high C = 18.2

|Jan record low C = -13.8

|Feb record low C = -14.1

|Mar record low C = -10.4

|Apr record low C = -6.2

|May record low C = 0.0

|Jun record low C = 5.5

|Jul record low C = 11.7

|Aug record low C = 11.7

|Sep record low C = 4.3

|Oct record low C = -1.7

|Nov record low C = -5.0

|Dec record low C = -11.5

|Jan high C = 4.5

|Feb high C = 5.9

|Mar high C = 10.3

|Apr high C = 16.5

|May high C = 21.6

|Jun high C = 24.3

|Jul high C = 27.9

|Aug high C = 29.5

|Sep high C = 25.0

|Oct high C = 18.9

|Nov high C = 12.9

|Dec high C = 7.1

|Jan mean C = -0.7

|Feb mean C = 0.2

|Mar mean C = 4.1

|Apr mean C = 9.8

|May mean C = 14.9

|Jun mean C = 18.6

|Jul mean C = 22.3

|Aug mean C = 23.3

|Sep mean C = 19.4

|Oct mean C = 13.3

|Nov mean C = 7.0

|Dec mean C = 1.8

|Jan low C = -5.0

|Feb low C = -4.5

|Mar low C = -1.1

|Apr low C = 4.0

|May low C = 9.3

|Jun low C = 14.2

|Jul low C = 18.4

|Aug low C = 19.1

|Sep low C = 15.4

|Oct low C = 9.1

|Nov low C = 2.5

|Dec low C = -2.4

|precipitation colour = green

|Jan precipitation mm = 74.5

|Feb precipitation mm = 103.8

|Mar precipitation mm = 180.5

|Apr precipitation mm = 180.7

|May precipitation mm = 200.2

|Jun precipitation mm = 236.6

|Jul precipitation mm = 266.6

|Aug precipitation mm = 155.2

|Sep precipitation mm = 219.8

|Oct precipitation mm = 192.6

|Nov precipitation mm = 123.5

|Dec precipitation mm = 80.2

|year precipitation mm = 2014.1

|unit precipitation days = 1.0 mm

|Jan precipitation days = 7.1

|Feb precipitation days = 7.0

|Mar precipitation days = 10.3

|Apr precipitation days = 10.2

|May precipitation days = 11.1

|Jun precipitation days = 13.3

|Jul precipitation days = 13.6

|Aug precipitation days = 10.8

|Sep precipitation days = 11.2

|Oct precipitation days = 10.1

|Nov precipitation days = 8.0

|Dec precipitation days = 7.3

|Jan sun = 165.3

|Feb sun = 162.2

|Mar sun = 177.8

|Apr sun = 196.1

|May sun = 208.9

|Jun sun = 152.2

|Jul sun = 159.9

|Aug sun = 199.0

|Sep sun = 155.9

|Oct sun = 160.4

|Nov sun = 158.7

|Dec sun = 158.2

|year sun = 2054.5

|source 1 = Japan Meteorological Agency{{cite web

| url = https://www.data.jma.go.jp/obd/stats/etrn/view/rank_a.php?prec_no=48&block_no=0424&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 = JMA

| access-date = April 20, 2022}}{{cite web

| url = https://www.data.jma.go.jp/obd/stats/etrn/view/nml_amd_ym.php?prec_no=48&block_no=0424&year=&month=&day=&view=h0

|script-title=ja:気象庁 / 平年値（年・月ごとの値）

| publisher = JMA

| access-date = April 20, 2022}}}}

The local economy is agricultural, dominated by rice and horticulture.

The area of present-day Iijima was part of ancient Shinano Province, and developed as a post station in the Sanshū Kaidō highway linking inland regions of Shinano with the Pacific Ocean. The area was tenryō territory controlled directly by the Tokugawa shogunate until the Meiji restoration. The modern village of Iijima established on April 1, 1889, by the establishment of the municipalities system and was elevated to town status on January 1, 1954. The town annexed the neighboring village of Nakakubō on September 30, 1956.

Per Japanese census data,[https://www.citypopulation.de/php/japan-nagano.php Iijima population statistics] the population of Iijima has remained relatively steady from 1960 until 2000 but has decreased slightly in recent years.

{{Historical populations

| 1940 | 9,752

| 1950 | 12,070

| 1960 | 11,230

| 1970 | 10,466

| 1980 | 10,515

| 1990 | 10,801

| 2000 | 10,895

| 2010 | 9,902

| 2020 | 9,004

|align = none

| footnote =

}}

Iijima has two public elementary schools and one public middle school operated by the town government. The town does not have a high school.

• 20px Central Japan Railway Company - Iida Line
• {{STN|Takatōbara|x}} - {{STN|Nanakubo|x}} - {{STN|Ina-Hongō|x}} - {{STN|Iijima|x}} - {{STN|Tagiri|x}}

• Image:JP Expressway E20.svg Chūō Expressway
• {{jct|country=JPN|Route|153}}

• {{flagicon|Brazil}} - Ferraz de Vasconcelos, city in province of São Paulo, Brazil. Since May 1975.

• Iijima jin'ya

{{reflist}}

• {{Commons category-inline}}
• [http://www.town.iijima.lg.jp/ Official Website] {{in lang|ja}}

{{Authority control}}

{{Nagano}}

Category:Towns in Nagano Prefecture

{{Nagano-geo-stub}}