25 years average (1980-2006)
     
Months Av. Annual Rainfall (mm) Rainy Days
Jan 14.8 1.8
Feb 20.6 2.4
Mar 48.2 4.0
Apr 122.6 9.7
May 268.4 15.9
Jun 429.2 17.8
Jul 513.5 17.8
Aug 305.6 16.5
Sep 279.0 15.8
Oct 213.6 8.2
Nov 38.7 2.1
Dec 15.6 1.3
Total 2269.8 113.3