Date

Mean Pressure (hPa)

Air Temperature

Mean

Relative

Humidity

(%)

Total

Rainfall

(mm)

Maximum

(deg. C)

Mean

(deg. C)

Minimum

(deg. C)

December 2017

01

1018.8

23.2

21.2

19.7

73

Trace

02

1019.1

22.9

20.1

17.5

73

0

03

1017.7

22.9

20.6

18.9

76

0

04

1018.3

22.3

20.1

18

71

0

05

1020

20.4

18.9

17.7

71

0

06

1018.5

21.1

18.8

17.5

73

0

07

1018.2

21.8

19.4

17.8

69

0

08

1021.2

19.4

17.6

15.3

49

0

09

1019.7

18

15.5

13.3

56

0

10

1018.2

20.4

17.8

14.9

60

0

11

1018.3

21.1

18.9

17

58

0

12

1018.4

20.6

18.6

17.4

70

Trace

13

1017.7

19

18.4

17.9

79

Trace

14

1018.1

21.1

19.3

18

78

Trace

15

1019.2

21.3

19.6

18.5

81

0

16

1023.4

19.5

15.8

12.2

67

0

17

1026.6

14

12.3

10.8

64

0

18

1025.5

15.8

12.8

9.8

57

0

19

1025.6

16.5

13.6

10.7

46

0

20

1027.3

17.8

15.2

12.4

40

0

21

1025.7

17

15

12.4

53

0

22

1021.2

19.1

16.8

14.5

65

0

23

1017.5

21.1

19

17.1

73

0

24

1018.1

23.1

20.2

18.1

60

0

25

1019.8

19.7

17.7

16.3

53

0

26

1021

19.7

17.6

16.3

73

0

27

1021.2

19.4

17.6

16.2

75

0

28

1020.7

20.6

18.5

17.1

76

Trace

29

1021.3

21.5

19

17.7

77

0

30

1021.6

22.6

19.5

17.6

71

0

31

1021.5

21

18.1

15.9

65

Trace

 

Source: Hong Kong Observatory – Hong Kong Observatory