Round Island, Hong Kong

Round Island or Ngan Chau (Chinese: 銀洲) is an island in Hong Kong.[1] Administratively part of the Southern District, the island has an area of 0.17 km2. An unmanned navigational beacon was constructed on the island in 1972.

Round Island
Native name:
銀洲
Round Island
Round Island is located in Hong Kong Island
Round Island
Round Island
Geography
LocationSouthern District
Coordinates22°12′57″N 114°11′09″E / 22.21588°N 114.18577°E / 22.21588; 114.18577
Area0.17 km2 (0.066 sq mi)
Administration
DistrictsSouthern District

Geology

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Round Island has a hilly terrain. The island's highest point is 49 metres over the sea. It stretches 0.6 km in north–south direction, and 0.5 km in east–west direction.

Climate

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The climate in the area is temperate. The yearly mean temperature in the region is 21 °C. The warmest month is August, when the mean temperature is 24 °C, and the coldest is February at 16 °C.[2] The average yearly precipitation is 2150 mm. The rainiest month is May, with in average 538 mm precipitation, and the driest month is October, with 18 mm precipitation.[3]

Round Island
Climate chart (explanation)
J
F
M
A
M
J
J
A
S
O
N
D
 
 
25
 
 
17
15
 
 
40
 
 
16
15
 
 
178
 
 
19
17
 
 
252
 
 
22
19
 
 
538
 
 
23
22
 
 
283
 
 
25
23
 
 
260
 
 
25
22
 
 
231
 
 
25
24
 
 
182
 
 
24
24
 
 
18
 
 
24
22
 
 
65
 
 
23
20
 
 
78
 
 
19
19
Average max. and min. temperatures in °C
Precipitation totals in mm
Source: [2]
Imperial conversion
JFMAMJJASOND
 
 
1
 
 
63
59
 
 
1.6
 
 
61
59
 
 
7
 
 
66
63
 
 
9.9
 
 
72
66
 
 
21
 
 
73
72
 
 
11
 
 
77
73
 
 
10
 
 
77
72
 
 
9.1
 
 
77
75
 
 
7.2
 
 
75
75
 
 
0.7
 
 
75
72
 
 
2.6
 
 
73
68
 
 
3.1
 
 
66
66
Average max. and min. temperatures in °F
Precipitation totals in inches

References

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  1. ^ Round Island at Geonames.org (cc-by); post updated 2014-11-05; database dump downloaded 2015-05-23
  2. ^ a b "NASA Earth Observations Data Set Index". NASA. Retrieved 30 January 2016.
  3. ^ "NASA Earth Observations: Rainfall (1 month - TRMM)". NASA/Tropical Rainfall Monitoring Mission. Retrieved 30 January 2016.