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Daily Normal of Meteorological Elements for Hong Kong, August 1991-2020



The below figures represent daily mean values of the weather elements calculated from data
in the 30 years from 1991 to 2020 for the 5-day period centred on the day specified.
Date Mean
Pressure
(hPa)
Figure
Air Temperature
Figure
Wet Bulb
(deg. C)
Figure
Dew Point
(deg. C)
Figure
Relative
Humidity
(%)
Figure
Mean
Daily
Rainfall
(mm)
Figure
Amount
of Cloud
(%)
Figure
Mean
Maximum
(deg. C)
Mean
(deg. C)
Mean
Minimum
(deg. C)
1-Aug 1004.4 31.6 29.0 26.9 26.3 25.2 81 13.3 68
2-Aug 1004.3 31.5 28.9 26.8 26.3 25.2 81 15.1 68
3-Aug 1004.2 31.4 28.8 26.8 26.2 25.2 81 15.7 68
4-Aug 1004.2 31.3 28.8 26.7 26.2 25.2 82 16.5 69
5-Aug 1004.3 31.4 28.8 26.8 26.2 25.2 81 14.4 69
6-Aug 1004.2 31.6 28.9 26.8 26.3 25.2 81 11.2 69
7-Aug 1004.1 31.8 29.1 26.9 26.4 25.3 81 10.6 69
8-Aug 1004.0 31.7 29.0 26.9 26.4 25.4 81 11.9 71
9-Aug 1004.1 31.6 29.0 26.9 26.4 25.4 82 12.7 72
10-Aug 1004.3 31.4 28.9 26.8 26.4 25.4 82 15.0 74
11-Aug 1004.5 31.1 28.7 26.7 26.3 25.4 83 18.1 75
12-Aug 1004.9 30.9 28.5 26.5 26.2 25.3 84 19.4 75
13-Aug 1005.2 30.9 28.5 26.5 26.2 25.2 83 17.3 75
14-Aug 1005.3 30.8 28.4 26.5 26.1 25.1 83 16.6 74
15-Aug 1005.4 30.8 28.4 26.5 26.0 25.1 83 15.1 73
16-Aug 1005.6 30.9 28.4 26.6 26.0 25.0 82 12.9 72
17-Aug 1005.7 31.0 28.5 26.7 26.0 25.0 82 13.8 72
18-Aug 1005.7 31.1 28.5 26.7 26.0 25.0 82 15.5 70
19-Aug 1005.7 31.3 28.6 26.7 26.0 24.9 81 14.7 69
20-Aug 1005.5 31.4 28.7 26.7 26.1 25.0 81 16.2 68
21-Aug 1005.5 31.4 28.7 26.7 26.1 25.0 81 17.1 67
22-Aug 1005.5 31.3 28.7 26.7 26.1 25.0 81 17.6 67
23-Aug 1005.6 31.4 28.7 26.7 26.0 24.9 81 16.2 67
24-Aug 1005.9 31.4 28.7 26.6 26.0 24.9 81 17.0 67
25-Aug 1006.1 31.4 28.6 26.6 26.0 24.9 81 16.1 68
26-Aug 1006.2 31.3 28.6 26.6 26.0 24.9 81 15.9 69
27-Aug 1006.3 31.3 28.6 26.6 26.0 24.8 81 12.9 68
28-Aug 1006.2 31.3 28.7 26.7 25.9 24.8 80 11.8 68
29-Aug 1006.2 31.3 28.7 26.7 26.0 24.8 80 11.0 69
30-Aug 1006.3 31.3 28.7 26.8 25.9 24.8 80 10.6 69
31-Aug 1006.4 31.3 28.7 26.8 25.9 24.7 80 10.6 69
Observed at Hong Kong Observatory

Date Bright
Sunshine
Duration
(hours)
Figure
Wind
Figure
Sea Temperature
Figure
Prevailing
Direction
(degrees)
Mean
Speed
(km/h)
AM
(deg. C)
PM
(deg. C)
1-Aug 6.4 230 22 26.6 27.0
2-Aug 6.2 230 22 26.6 27.0
3-Aug 6.0 230 21 26.6 27.0
4-Aug 5.8 230 20 26.6 26.9
5-Aug 5.9 240 19 26.6 27.0
6-Aug 6.2 240 19 26.6 27.0
7-Aug 6.4 230 19 26.7 27.1
8-Aug 6.1 230 19 26.7 27.1
9-Aug 5.9 230 19 26.7 27.1
10-Aug 5.6 230 19 26.6 27.0
11-Aug 5.2 230 21 26.6 27.0
12-Aug 5.0 230 19 26.6 27.0
13-Aug 5.3 230 19 26.6 27.0
14-Aug 5.2 230 19 26.5 26.9
15-Aug 5.3 230 18 26.5 26.9
16-Aug 5.5 230 18 26.5 26.9
17-Aug 5.7 230 18 26.5 26.8
18-Aug 5.7 230 17 26.4 26.8
19-Aug 6.1 230 17 26.3 26.8
20-Aug 6.2 230 18 26.4 26.8
21-Aug 6.2 230 18 26.4 26.8
22-Aug 6.1 230 18 26.4 26.9
23-Aug 6.1 230 18 26.5 27.0
24-Aug 6.2 230 18 26.6 27.1
25-Aug 6.0 230 17 26.6 27.1
26-Aug 5.9 230 18 26.6 27.1
27-Aug 6.1 90 18 26.7 27.1
28-Aug 6.2 90 18 26.7 27.1
29-Aug 5.9 90 18 26.7 27.1
30-Aug 6.0 230 18 26.8 27.2
31-Aug 5.8 90 17 26.8 27.2
Observed at King's Park Waglan Island North Point

Figure 1. Daily Normals of mean pressure at August (1991-2020)


Figure 1. Daily Normals mean pressure at August (1991-2020)


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Figure 2. Daily Normals air temperature at August (1991-2020)


Figure 2. Daily Normals air temperature at August (1991-2020)


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Figure 3. Daily Normals wet-bulb temperature and dew point at August (1991-2020)


Figure 3. Daily Normals wet-bulb temperature and dew point temperature at August (1991-2020)


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Figure 4. Daily Normals relative humdity at August (1991-2020)


Figure 4. Daily Normals relative humdity at August (1991-2020)


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Figure 5.  Figure 3. Daily Normals mean daily rainfall at August (1991-2020)


Figure 5. Daily Normals mean daily rainfall at August (1991-2020)


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Figure 6. Daily Normals mean daily Bright Sunshine Duration at August (1991-2020)


Figure 6. Daily Normals mean daily Bright Sunshine Duration at August (1991-2020)


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Figure 7. Daily Normals mean wind at August (1991-2020)


Figure 7. Daily Normals mean wind at August (1991-2020)


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Figure 8. Daily Normals mean sea temperature at August (1991-2020)


Figure 8. Daily Normals mean sea temperature at August (1991-2020)


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