Weather in Boyanup

Climate of Boyanup: 1991–2020 normals

In Boyanup, January is typically the warmest month (up to 29.8 °C on average), while July is the coldest at 8.5 °C. July sees the most rain, with around 120 mm.

By season (average highs, 1991–2020 normals): winter 15.9 °C and 330 mm of rain, spring 20.2 °C and 138 mm, summer 29.0 °C and 34 mm, autumn 23.2 °C and 136 mm. The wettest season is winter (52 % of the annual total), the driest summer (5 %).

Compared with Perth (Western Australia), the main town 171 km to the north, highs in the warmest month are 0.7 °C lower here, and the year brings 88 mm more precipitation. In no month does the average low fall below 0 °C; in 6 months the average high exceeds 20 °C (January, February, March, April, November and December).

Nearby places with normals of their own (from another station or reanalysis grid cell) compare as follows: Capel (17 km to the south-west): summers 1.6 °C cooler and 60 mm drier a year; Bunbury (19 km to the north-west): summers 0.3 °C cooler and 36 mm wetter a year; Busselton (40 km to the south-west): summers 2.6 °C cooler and 26 mm drier a year. Among the 104 places we cover in Western Australia whose normals come from the ERA5 reanalysis, Boyanup ranks 76th for summer warmth and 8th 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.