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Rainfall percentages
References & Guides
At a glance
These percentage maps show how rainfall is distributed throughout the year. They allow you to compare monthly or seasonal rainfall with total annual rainfall.
View the maps
Product Code: IDCJCM0042
What do the maps show?
These maps show the percentage of average annual rainfall that falls in each month or season. Seasonal and regional variations in rainfall can be investigated using these maps. For example, the maps show that the majority of rainfall in northern Australia occurs during the wet season (October to April), whilst in southern Australia, most of the rainfall tends to fall in the winter months (June to August). This rainfall pattern can be explained by the movement of the sub-tropical ridge, frontal systems and the occurence of the Australian monsoon.
Further information
- About the maps - metadata and related information.
- Find out how climate statistics are calculated.
- Information about the range of gridded climate data we can provide.
- Other data available from the Bureau of Meteorology.
- Learn about the influences on the Australian climate.
- Explore other topics relating to climate education.
- Compare the percentage maps with recent rainfall
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