Cambridge

Grytviken

Signy

Faraday

Rothera

Halley

Latitude, Longitude

52°N,00°W

54°S,37°W

61°S,46°W

65°S,64°W

68°S,68°W

76°S,27°W

Annual mean temperature (° C)

9.9

1.8

-3.6

-4.5

-6.4

-18.5

Mean summer temperature (° C)

16

5

1

0

0

-7

Mean winter temperature (° C)

4

-1

-9

-10

-12

-28

Extreme maximum temperature (° C)

35.6

26.3

16.2

11.7

7.2

4.0

Extreme minimum temperature (° C)

-17.2

-19.4

-39.3

-43.3

-37.6

-55.3

Days with snow or sleet

20

195

280

250

225

175

Days with rain

145

180

95

85

30

0

Hours of sunshine

1490

1200

550

840

1100

1450

Percentage of possible sunshine

34

28

13

19

25

34

Mean wind speed (knots)

6.8

8.1

13.6

7.5

12.0

13.3

Maximum mean wind speed (knots)

54

50

59

50

58

62

Maximum gust (knots)

85

96

115

73

77

80

Number of gales per year

1

7

60

10

50+

40