Date

Mean Pressure (hPa)

Air Temperature

Mean

Relative

Humidity

(%)

Total

Rainfall

(mm)

Maximum

(deg. C)

Mean

(deg. C)

Minimum

(deg. C)

January 2018

01

1020.5

19

17.3

16.3

78

0

02

1019.3

19.2

17.8

16

78

0

03

1018.5

22

19.4

18.2

76

0

04

1016.7

20.5

18.8

18.1

82

0.2

05

1015.3

22.8

19.3

17.2

87

0.2

06

1014.6

17.3

16.2

15.9

92

3.7

07

1014.3

17.6

16.8

15.7

93

16.2

08

1015.2

18.7

15.1

9.5

95

11.6

09

1023.1

10.7

9

7.9

82

9.9

10

1024.9

15.2

12.8

10.5

46

Trace

11

1026.1

16.1

13.8

12.1

42

Trace

12

1027.1

15.3

12.8

10.5

46

0

13

1026

14.6

12.9

11.3

67

0

14

1022.9

17.2

14.2

12

70

0

15

1018.9

18.2

15.3

13

79

0

16

1015.4

22.6

17.8

14.8

75

0

17

1014.4

25.5

19.8

15.9

60

0

18

1016.6

24

19.2

15.9

76

0

19

1017.8

19.3

18.6

17.9

89

0.8

20

1016.8

22.7

19.1

17.4

79

Trace

21

1015.6

21.5

18.7

16.8

81

0

22

1013.9

24.8

20

17.1

80

0

23

1015.3

22.8

19.2

17.2

78

0

24

1015.5

18.6

17.7

16.6

78

0

25

1015.7

18.8

17.2

16.1

79

0

26

1017.2

18.3

17.1

15.6

85

Trace

27

1017

17.1

15.5

14

81

Trace

28

1014.7

18.4

16.5

12.6

81

0

29

1020.1

12.9

10.5

8.9

76

0.1

30

1020.4

11

10.1

8.9

82

0.2

31

1021

10.6

9.4

7.8

87

19.3

 

Source: Hong Kong Observatory – Hong Kong Observatory