Ōmishima Island, Ehime

Ōmishima Island (大三島, Ōmishima) is the largest island in the Geiyo Islands chain, and the westernmost which accommodates the Nishiseto Expressway between Honshu and Shikoku. It is located in the Seto Inland Sea. The island's highest peak is Washigatozan (鷲ヶ頭山) at an altitude of 437 m (1,434 ft).

Ōmishima Island
Native name:
大三島 Ōmishima
Port miyaura1.JPG
Miyaura port
Ōmishima Island is located in Japan
Ōmishima Island
Ōmishima Island
Location in Japan
Geography
LocationSeto Inland Sea
Coordinates34°14′39″N 133°00′35″E / 34.244139°N 133.009627°E / 34.244139; 133.009627Coordinates: 34°14′39″N 133°00′35″E / 34.244139°N 133.009627°E / 34.244139; 133.009627
Area64.54 km2 (24.92 sq mi)
Length12.8 km (7.95 mi)
Width6.2 km (3.85 mi)
Coastline88.8 km (55.18 mi)
Highest elevation437 m (1434 ft)
Highest pointWashigatozan
Administration
Japan
PrefectureEhime
cityImabari
Demographics
Population23398 (1947)
Pop. density363/km2 (940/sq mi)
Ethnic groupsJapanese

GeographyEdit

Ōmishima is kidney-shaped and together with Ōsakikamijima on the west encloses the calm bay of Utena, where primary seaport of Miyaura [ja] is located. The island's Utena dam [ja] reservoir is the primary freshwater source for Ōmishima itself and nearby Hakata.

ClimateEdit

Climate data for Ōmishima (1991−2020 normals, extremes 1978−present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 16.0
(60.8)
20.2
(68.4)
25.4
(77.7)
27.9
(82.2)
30.4
(86.7)
33.7
(92.7)
38.0
(100.4)
37.4
(99.3)
36.1
(97.0)
31.9
(89.4)
24.1
(75.4)
20.4
(68.7)
38.0
(100.4)
Average high °C (°F) 9.6
(49.3)
10.2
(50.4)
13.4
(56.1)
18.6
(65.5)
23.2
(73.8)
26.1
(79.0)
30.0
(86.0)
32.0
(89.6)
28.3
(82.9)
22.8
(73.0)
17.2
(63.0)
12.0
(53.6)
20.3
(68.5)
Daily mean °C (°F) 5.5
(41.9)
5.6
(42.1)
8.4
(47.1)
13.1
(55.6)
17.6
(63.7)
21.3
(70.3)
25.3
(77.5)
26.8
(80.2)
23.4
(74.1)
18.0
(64.4)
12.5
(54.5)
7.7
(45.9)
15.4
(59.8)
Average low °C (°F) 1.3
(34.3)
1.1
(34.0)
3.4
(38.1)
8.0
(46.4)
12.7
(54.9)
17.6
(63.7)
22.0
(71.6)
23.2
(73.8)
19.7
(67.5)
13.8
(56.8)
8.2
(46.8)
3.4
(38.1)
11.2
(52.2)
Record low °C (°F) −5.9
(21.4)
−6.2
(20.8)
−3.6
(25.5)
−1.5
(29.3)
3.6
(38.5)
9.6
(49.3)
15.5
(59.9)
15.6
(60.1)
11.1
(52.0)
5.5
(41.9)
−1.3
(29.7)
−3.5
(25.7)
−6.2
(20.8)
Average precipitation mm (inches) 40.8
(1.61)
54.0
(2.13)
89.5
(3.52)
98.0
(3.86)
116.2
(4.57)
186.3
(7.33)
194.6
(7.66)
93.5
(3.68)
133.4
(5.25)
96.3
(3.79)
66.0
(2.60)
50.1
(1.97)
1,218.6
(47.98)
Average precipitation days (≥ 1.0 mm) 5.3 6.7 9.0 8.9 8.7 11.1 9.4 6.7 8.8 7.3 6.4 6.0 94.3
Mean monthly sunshine hours 146.1 151.2 182.0 200.2 214.7 157.1 201.2 233.9 171.2 180.4 159.2 144.3 2,141.6
Source: JMA[1][2]


HistoryEdit

TransportationEdit

Ōmishima is connected to the mainland of Honshu and Shikoku islands by bridges of Nishiseto Expressway (Shimanami Kaidō). Also, ferry is available to Ōsakikamijima, Okamura Island and Ōkunoshima (Rabbit Island). Ōmishima Island is served by the national Route 317.

AttractionsEdit

Notable residentsEdit

External linksEdit

ReferencesEdit

  • This article incorporates material from Japanese Wikipedia pages 大三島 and 大三島町, accessed 13 September 2017
  1. ^ 観測史上1~10位の値(年間を通じての値). JMA. Retrieved 1 March 2022.
  2. ^ 気象庁 / 平年値(年・月ごとの値). JMA. Retrieved 1 March 2022.
  3. ^ Hakata no Shio Factory
  4. ^ Museum of Oomishima