Round Island, Hong Kong

For other uses, see Round Island.

Round Island or Ngan Chau (Chinese: 銀洲) is an island in Hong Kong. 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
Geography
Location	Southern District
Coordinates	22.21588°N 114.18577°E / 22.21588; 114.18577
Area	0.17 km2 (0.066 sq mi)
Administration
Hong Kong
Districts	Southern District

Geology

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

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. 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.

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:
Imperial conversion J F M A M J J A S O N D     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