Table 35
(Chapter 14: The Environment)
Meteorological Observations
Appendices 507
Normals (1961-1990)(1)
Whole
January
July
Year
2005
Air temperature (°C)
Mean maximum
18.6
31.5
25.7
25.4
Mean
15.8
28.8
23.0
23.3
Mean minimum
13.6
26.6
20.9
21.4
Mean relative humidity (%)
71
80
77
79
Total rainfall (mm)
23.4
323.5
2 214.3
3 214.5
Total bright sunshine (hours)
152.4
Mean wind speed (km/h)
24.0
231.1
20.0
1 948.1
1 752.3
22.6
22.8
Note: (1) The World Meteorological Organization (WMO) defines climatological standard normals as averages of climatological data computed for the following consecutive periods of 30 years: 1 January 1901 to 31 December 1930, 1 January 1931 to 31 December 1960, 1 January 1961 to 31 December 1990, 1 January 1991 to 31 December 2020, etc.
Source: Hong Kong Observatory.
(Enquiry Telephone No.: 2926 8444)