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Daily Normal of Meteorological Elements for Hong Kong, July 1981-2010



The below figures represent daily mean values of the weather elements calculated from data
in the 30 years from 1981 to 2010 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 Jul 1006.3 31.2 28.7 26.9 26.2 25.2 82 10.9 72
2 Jul 1006.4 31.2 28.7 26.9 26.2 25.1 81 11.9 72
3 Jul 1006.5 31.3 28.8 26.9 26.2 25.1 81 11.0 72
4 Jul 1006.4 31.2 28.7 26.9 26.1 25.1 81 11.9 71
5 Jul 1006.3 31.2 28.7 26.8 26.1 25.0 81 12.2 71
6 Jul 1006.1 31.3 28.7 26.8 26.1 25.0 81 10.6 71
7 Jul 1005.9 31.3 28.8 26.8 26.0 24.9 80 9.6 70
8 Jul 1005.8 31.4 28.8 26.8 26.1 24.9 80 9.4 68
9 Jul 1005.7 31.5 28.9 26.8 26.1 24.9 80 8.1 68
10 Jul 1005.7 31.6 29.0 26.8 26.1 24.9 79 9.9 68
11 Jul 1005.8 31.6 29.0 26.8 26.1 25.0 80 11.0 67
12 Jul 1005.9 31.6 29.0 26.8 26.2 25.0 80 11.0 67
13 Jul 1006.0 31.6 28.9 26.8 26.2 25.1 80 12.5 67
14 Jul 1006.2 31.6 28.9 26.8 26.2 25.1 80 13.9 66
15 Jul 1006.1 31.5 28.9 26.8 26.2 25.1 80 12.5 66
16 Jul 1005.9 31.5 28.9 26.8 26.2 25.1 80 13.9 67
17 Jul 1005.7 31.4 28.8 26.8 26.1 25.1 80 16.1 69
18 Jul 1005.6 31.4 28.8 26.8 26.2 25.1 81 14.4 70
19 Jul 1005.8 31.3 28.8 26.8 26.2 25.2 81 14.2 71
20 Jul 1006.0 31.2 28.8 26.7 26.2 25.2 81 18.0 72
21 Jul 1006.2 31.2 28.8 26.7 26.2 25.2 81 16.4 71
22 Jul 1006.3 31.3 28.8 26.7 26.2 25.1 81 14.3 69
23 Jul 1006.0 31.3 28.8 26.8 26.1 25.0 81 14.3 68
24 Jul 1005.7 31.3 28.8 26.9 26.1 25.0 80 12.9 67
25 Jul 1005.3 31.3 28.8 26.9 26.1 24.9 80 9.3 67
26 Jul 1005.0 31.3 28.7 26.9 26.1 24.9 80 9.7 68
27 Jul 1004.8 31.3 28.7 26.7 26.1 25.0 81 11.6 68
28 Jul 1004.6 31.2 28.6 26.7 26.1 25.0 81 11.8 69
29 Jul 1004.6 31.2 28.6 26.6 26.1 25.0 82 12.3 70
30 Jul 1004.7 31.3 28.7 26.7 26.1 25.1 81 11.7 69
31 Jul 1004.7 31.3 28.8 26.7 26.2 25.1 81 11.8 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 Jul 6.4 210 22 26.8 27.3
2 Jul 6.4 220 21 26.8 27.3
3 Jul 6.5 220 21 26.8 27.3
4 Jul 6.5 220 22 26.8 27.2
5 Jul 6.5 220 22 26.8 27.2
6 Jul 6.5 230 22 26.8 27.2
7 Jul 6.6 230 22 26.7 27.2
8 Jul 6.9 230 21 26.7 27.2
9 Jul 7.1 230 21 26.7 27.2
10 Jul 7.3 230 20 26.6 27.2
11 Jul 7.5 230 19 26.6 27.2
12 Jul 7.6 230 19 26.5 27.2
13 Jul 7.5 230 20 26.6 27.2
14 Jul 7.5 230 20 26.6 27.2
15 Jul 7.3 230 20 26.6 27.1
16 Jul 7.2 230 22 26.6 27.1
17 Jul 6.9 230 22 26.6 27.1
18 Jul 6.7 230 23 26.6 27.1
19 Jul 6.7 230 23 26.5 27.1
20 Jul 6.8 230 23 26.5 27.0
21 Jul 6.9 230 22 26.5 27.0
22 Jul 7.2 230 22 26.4 27.0
23 Jul 7.3 230 22 26.4 27.0
24 Jul 7.1 230 21 26.4 27.0
25 Jul 6.8 230 21 26.4 26.9
26 Jul 6.8 230 20 26.4 26.9
27 Jul 6.4 230 20 26.5 26.9
28 Jul 6.1 230 21 26.4 26.9
29 Jul 6.1 230 21 26.4 26.9
30 Jul 6.4 230 21 26.4 26.9
31 Jul 6.4 230 21 26.5 26.9
Observed at King's Park Waglan Island North Point

Figure 1. Daily Normals of mean pressure at July (1981-2010)


Figure 1. Daily Normals mean pressure at July (1981-2010)


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Figure 2. Daily Normals air temperature at July (1981-2010)


Figure 2. Daily Normals air temperature at July (1981-2010)


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Figure 3. Daily Normals wet-bulb temperature and dew point at July (1981-2010)


Figure 3. Daily Normals wet-bulb temperature and dew point temperature at July (1981-2010)


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Figure 4. Daily Normals relative humdity at July (1981-2010)


Figure 4. Daily Normals relative humdity at July (1981-2010)


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Figure 5.  Figure 3. Daily Normals mean daily rainfall at July (1981-2010)


Figure 5. Daily Normals mean daily rainfall at July (1981-2010)


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Figure 6. Daily Normals mean daily Bright Sunshine Duration at July (1981-2010)


Figure 6. Daily Normals mean daily Bright Sunshine Duration at July (1981-2010)


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Figure 7. Daily Normals mean wind at July (1981-2010)


Figure 7. Daily Normals mean wind at July (1981-2010)


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Figure 8. Daily Normals mean sea temperature at July (1981-2010)


Figure 8. Daily Normals mean sea temperature at July (1981-2010)


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