Windy Harbour possesses a warm-summer mediterranean climate (Köppen: Csb) with tepid, dry summers and mild, very wet winters.[10] Average maxima vary from 23.7 °C (74.7 °F) in February to 16.8 °C (62.2 °F) in July, while average minima fluctuate between 14.7 °C (58.5 °F) in February and 8.7 °C (47.7 °F) in July. Precipitation is moderately abundant, as the locality averages 1,061.5 mm (41.79 in) of rain per annum. Rainfall is frequent, as it is distributed over 176.1 precipitation days. The locality is not sunny: receiving 129.0 cloudy days and only 42.6 clear days annually. Extreme temperatures have ranged from 40.3 °C (104.5 °F) on 7 March 2007 to −0.5 °C (31.1 °F) on 5 June 2022.[11]
^G.R. Crimp & Associates; Manjimup (W.A. : Shire). Council (1982), Windy Harbour management plan report, G.R. Crimp & Associates, retrieved 28 April 2013
^Van Steveninck, A. (Annette); McArthur, Bill; Western Australia. Dept. of Conservation and Environment; Western Australia. Department of Conservation and Environment (1985), Windy Harbour draft management plan, Dept. of Conservation and Environment, ISBN978-0-7309-0490-8
^Memories are made of this Brief notes about the history of Windy Harbour, given... by James Lionel Jones of Albany. Northcliffe karri pigeon September 2007, p.4. also – Evans, H. D. (Hywel David), Windy Harbour Settlement Manjimup, W.A.: H.D. Evans, 1992. – held in Battye Library
^Western Australia. Windy Harbour-Augusta Rock Lobster Working Group; Pallot, A; Western Australia. Fisheries Dept (1986), The Windy Harbour – Augusta Rock Lobster Working Group : interim report, Fisheries Department, ISBN978-0-7309-1441-9
^"Country News". The West Australian. Perth. 1 October 1948. p. 13 Edition: 2nd EDITION. Retrieved 28 April 2013 – via National Library of Australia.