Uni Island (Japanese: 海栗島) is an island located in Tsushima, Nagasaki Prefecture, Japan, on the border between Japan and South Korea. The entire territory of Uni Island is state-owned land, and the Air Self-Defense Force is stationed on the island (the unit is the 19th Vigilance Team of the Western Air Vigilance Control Regiment under the Western Air Front). Therefore, except for military personnel, the rest of the personnel are not allowed to set foot on the island. Although there are no residential buildings on the island, Haikuri Island is not an uninhabited island because the Ministry of Defense has a government building. In the village of Crocodyura near Tsushima Island, a festival called the itobatago Festival (Japanese: ひとつばたご祭り), during which villagers are allowed to visit the island to participate in the event,[2] and local ferries are commissioned by the Self-Defense Forces to transport the crew three times a day.
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Native name: 海栗島 | |
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![]() Aerial view of Uni Island (photographed in 1977) | |
![]() ![]() Uni Island ![]() ![]() Uni Island | |
Geography | |
Location | Sea of Japan[1] (Tsushima Strait, Korea Strait) |
Coordinates | 34°42′22.2″N 129°26′9.7″E |
Archipelago | Tsushima Islands |
Area | 0.129766 km2 (0.050103 sq mi) |
Administration | |
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Prefecture | Nagasaki Prefecture |
Largest settlement | Tsushima |
Demographics | |
Demonym | 対馬 |
Population | 60 |
Pop. density | 462.37/km2 (1197.53/sq mi) |
Ethnic groups | Japanese, Koreans |
Located at the northernmost tip of Tsushima in Nagasaki Prefecture, Japan, the island is only 40 km (25 mi) in a straight line from South Korea. The island has an area of 0.129766 km2 (0.050103 sq mi) and a coastline of about 4 km (2.5 mi). The transportation of Kaikuri Island is very inconvenient, and there is no bridge connecting it to the main island of Tsushima.
Uni Island has a humid subtropical climate (Köppen climate classification Cfa. The average annual temperature in Uni Island is 15.8 °C (60.4 °F). The average annual rainfall is 1,434.9 mm (56.49 in) with July as the wettest month. The temperatures are highest on average in August, at around 26.1 °C (79.0 °F), and lowest in January, at around 5.8 °C (42.4 °F). The highest temperature ever recorded in Uni Island was 36.0 °C (96.8 °F) on 19 August 2013; the coldest temperature ever recorded was −7.8 °C (18.0 °F) on 16 January 2011.
Climate data for Uni Island (1991−2020 normals, extremes 1995−present) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Record high °C (°F) | 19.9 (67.8) |
21.3 (70.3) |
23.1 (73.6) |
26.0 (78.8) |
29.7 (85.5) |
30.3 (86.5) |
35.1 (95.2) |
36.0 (96.8) |
31.7 (89.1) |
29.6 (85.3) |
24.3 (75.7) |
21.5 (70.7) |
36.0 (96.8) |
Average high °C (°F) | 8.6 (47.5) |
10.1 (50.2) |
13.4 (56.1) |
17.5 (63.5) |
21.2 (70.2) |
23.7 (74.7) |
27.1 (80.8) |
28.9 (84.0) |
25.3 (77.5) |
21.4 (70.5) |
16.2 (61.2) |
10.8 (51.4) |
18.7 (65.6) |
Daily mean °C (°F) | 5.8 (42.4) |
6.9 (44.4) |
9.9 (49.8) |
13.9 (57.0) |
17.8 (64.0) |
20.8 (69.4) |
24.4 (75.9) |
26.1 (79.0) |
22.9 (73.2) |
18.9 (66.0) |
13.6 (56.5) |
8.0 (46.4) |
15.8 (60.3) |
Average low °C (°F) | 3.4 (38.1) |
4.5 (40.1) |
7.3 (45.1) |
11.3 (52.3) |
15.3 (59.5) |
18.7 (65.7) |
22.5 (72.5) |
24.3 (75.7) |
21.2 (70.2) |
17.0 (62.6) |
11.4 (52.5) |
5.6 (42.1) |
13.5 (56.4) |
Record low °C (°F) | −7.8 (18.0) |
−6.8 (19.8) |
−3.4 (25.9) |
2.4 (36.3) |
9.4 (48.9) |
14.0 (57.2) |
15.9 (60.6) |
18.7 (65.7) |
16.3 (61.3) |
4.7 (40.5) |
1.1 (34.0) |
−6.2 (20.8) |
−7.8 (18.0) |
Average precipitation mm (inches) | 43.3 (1.70) |
46.9 (1.85) |
87.5 (3.44) |
105.1 (4.14) |
113.6 (4.47) |
191.5 (7.54) |
264.9 (10.43) |
230.7 (9.08) |
159.9 (6.30) |
78.8 (3.10) |
65.8 (2.59) |
36.8 (1.45) |
1,434.9 (56.49) |
Average precipitation days (≥ 1.0 mm) | 5.6 | 5.8 | 8.1 | 8.1 | 7.4 | 9.5 | 10.4 | 9.0 | 8.7 | 5.5 | 6.2 | 4.8 | 89.1 |
Mean monthly sunshine hours | 180.2 | 168.3 | 198.6 | 210.2 | 220.1 | 151.5 | 168.0 | 197.1 | 152.9 | 179.7 | 168.8 | 182.4 | 2,173.5 |
Source: Japan Meteorological Agency[3][4] |