25 years average (1982-2006)
     
Months Av. Annual Rainfall (mm) Rainy Days
Jan 1.0 0.0
Feb 0.5 0.1
Mar 0.7 0.1
Apr 0.4 0.0
May 29.6 1.0
Jun 475.1 13.5
Jul 815.9 22.8
Aug 579.3 21.7
Sep 328.4 13.8
Oct 93.7 3.4
Nov 8.2 0.4
Dec 1.9 0.3
Total 2334.6 77.2