Climatological Information for 18 May (1981-2010)
|Maximum air temperature
|| 28.6 deg. C
|| 26.1 deg. C
|Minimum air temperature
|| 24.2 deg. C
|| 10.1 mm
|Bright sunshine duration
|| 4.6 hours
|Prevailing wind direction
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.
Monthly normal and extreme values for May
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.