Northam Average Rainfall by Month

This page shows the average precipitation in each month of the year in Northam, Western Australia. It is based on NOAA data for the years 1991–2020.

What's the Rainiest Month in Northam?

In Northam, July has the greatest precipitation of any month. On average, Northam gets 7.2 cm of precipitation in July.

July is also the month where rain is most common. 53.5% of days in July will have at least some rain.

What's the Driest Month in Northam?

In Northam, November has the least precipitation of any month. On average, Northam gets 1.63 cm of precipitation in November.

January is the month with the lowest chance of precipitation. Only 8.7% of days in January will have measurable rain.

Weather Station Details

Years	Station	Coordinates
1750–2023	Northam	location