25 years average (1960-2005)
     
Months Av. Annual Rainfall (mm) Rainy Days
Jan 15.0 1.2
Feb 12.9 1.1
Mar 4.7 0.6
Apr 4.9 0.5
May 11.4 0.9
Jun 61.7 3.5
Jul 240.4 11.3
Aug 261.7 12.0
Sep 124.5 5.7
Oct 55.8 1.7
Nov 1.2 0.2
Dec 9.9 0.9
Total 804.0 39.7