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Monthly Normals of Meteorological Elements for Hong Kong, January 1961-1990

Climatological Information Services > Climatological Normals and Extremes > 1961-1990 Normals for Hong Kong (Grouped by month)

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Monthly Normals of Meteorological Elements for Hong Kong,
January 1961-1990
 
Meteorological Elements
ATMOSPHERIC PRESSURE Mean 1020.2 hPa
Mean Diurnal Range 4.1 hPa
AIR TEMPERATURE Mean Daily Maximum 18.6 deg. C
Mean 15.8 deg. C
Mean Daily Minimum 13.6 deg. C
RELATIVE HUMIDITY Mean 71 %
AMOUNT OF CLOUD 58 %
RAINFALL Total 23.4 mm
Duration 41 hours
Number of
Days with
0.1 mm
or above
5.63  
25.0 mm
or above
0.10  
50.0 mm
or above
0.00  
NUMBER OF DAYS WITH THUNDERSTORM 0.10  
NUMBER OF DAYS WITH FOG
(Visibility < 1000 m)
0.43  
SOIL TEMPERATURE
AT 0700 HOURS *
0.5 m 18.9 deg. C
1.0 m 20.5 deg. C
BRIGHT SUNSHINE
AT KING'S PARK
Duration 152.4 hours
Percentage of Possible 45 %
WIND
AT WAGLAN ISLAND
Prevailing Direction 070 degrees
Mean Speed 24.0 km/h
SEA SURFACE TEMPERATURE
AT NORTH POINT AT 0700 HOURS **
17.5 deg. C


Note : All measurements were made at the Hong Kong Observatory except where specified.

 *  1967 - 1996
** 1975 - 2004