Weather in Greenmount

Climate of Greenmount: 1991–2020 normals

In Greenmount, January is typically the warmest month (up to 31.8 °C on average), while July is the coldest at 8.9 °C. July sees the most rain, with around 101 mm.

By season (average highs, 1991–2020 normals): winter 17.0 °C and 286 mm of rain, spring 22.2 °C and 117 mm, summer 31.0 °C and 46 mm, autumn 24.9 °C and 111 mm. The wettest season is winter (51 % of the annual total), the driest summer (8 %).

Compared with Perth (Western Australia), the main town 19 km to the west, highs in the warmest month are 1.3 °C higher here, and the year brings 10 mm more precipitation. In no month does the average low fall below 0 °C; in 8 months the average high exceeds 20 °C (January, February, March, April, May, October, November and December).

Nearby places with normals of their own (from another station or reanalysis grid cell) compare as follows: Bennett Springs (11 km to the north-west): summers 0.8 °C warmer and 69 mm drier a year; Claremont (27 km to the west): summers 1.2 °C cooler and 10 mm drier a year; Trigg (28 km to the west): summers 1.2 °C cooler and 19 mm drier a year. Among the 104 places we cover in Western Australia whose normals come from the ERA5 reanalysis, Greenmount ranks 44th for summer warmth and 28th for annual precipitation. The warmest summers are in Paraburdoo and the coolest in Dunsborough; the wettest year is in Kununurra and the driest in Carnarvon.