Taking the local weather in Geraldine Downs into account can help you maximise your time at the pool during your trip. The hottest months are usually February and January, with an average temperature of 7°C, while the coldest months are July and August, with an average of -3°C. The rainiest months in Geraldine Downs are May, September, December and July, with each month seeing an average of 360 mm of rainfall.