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Climatological Information for 20 May (1981-2010)

Maximum air temperature 28.4 deg. C
Air temperature 26.1 deg. C
Minimum air temperature 24.2 deg. C
Relative humidity 83 %
Rainfall 11.7 mm
Cloud amount 76 %
Bright sunshine duration 4.1 hours
Prevailing wind direction 080 degrees
Wind speed 23 km/h
Atmospheric pressure 1008.5 hPa

The above 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.

The prevailing wind direction is the wind direction most frequently observed during the period.

All data were recorded at the Hong Kong Observatory except sunshine duration which was recorded at King's Park and winds at Waglan Island.

Monthly normal and extreme values for May

Last revision date: <4 May 2003>