Date

Mean Pressure (hPa)

Air Temperature

Mean

Relative

Humidity

(%)

Total

Rainfall

(mm)

Maximum

(deg. C)

Mean

(deg. C)

Minimum

(deg. C)

December 2019

1

1018.3

25.5

21.5

18.8

69

0

2

1021.6

20.3

17.4

15.1

54

0

3

1023.1

20.1

16.4

13.8

46

0

4

1022.9

20.1

17.5

13.9

40

0

5

1024.8

18.3

15.3

13.1

54

1.4

6

1024.7

19.5

16.5

12.7

39

0.3

7

1024.8

19.1

16.2

13.2

39

0

8

1024.8

19.5

15.9

13.0

47

0

9

1021.8

21.7

17.4

14.7

62

0

10

1018.6

21.9

18.4

15.7

69

0

11

1018.4

24.0

19.1

16.5

64

0

12

1020.9

21.4

19.1

17.4

67

0

13

1022.4

22.0

19.2

18.0

75

0

14

1021.7

23.3

19.5

17.6

75

0

15

1020.0

20.5

19.5

18.5

81

0

16

1018.1

23.7

21.3

19.7

76

0

17

1017.7

26.2

23.2

21.2

71

0

18

1018.1

27.3

22.8

20.0

77

0

19

1019.8

21.4

19.8

18.8

84

0.1

20

1019.6

21.6

19.1

17.7

78

0.7

21

1017.8

21.9

19.3

17.0

84

1.4

22

1015.8

22.8

20.5

19.2

84

0

23

1016.7

21.4

20.0

18.9

85

0

24

1017.9

23.3

20.4

19.0

80

0

25

1016.4

22.9

20.1

19.0

80

0

26

1016.3

24.5

21.0

17.5

73

0

27

1020.3

21.3

18.0

15.6

65

0

28

1020.2

20.9

18.5

16.8

72

Trace

29

1018.3

19.6

18.8

17.9

88

9.3

30

1020.0

22.5

20.3

18.8

91

0.3

31

1024.9

20.2

19.2

18.0

86

Trace

 

Source: Hong Kong Observatory