The Ravensbourne area is characterised by reasonably cold winters and mild summers. The average temperature in winter ranges from 5 degrees Celsius to 17 degrees Celsius, although temperatures as low as -4 degrees Celsius have been recorded. The average temperature in summer ranges from 16 degrees Celsius to 27 degrees Celsius. Humidity seldom gets over about 50%, a stark contrast to the nearby coast.
Rainfall averages about 859 mm per annum, although can range from 430 to 1550 mm, with highest falls generally in summer months.