Weather in Walcha

Climate of Walcha: 1991–2020 normals

In Walcha, January is typically the warmest month (up to 25.2 °C on average), while July is the coldest at 2.2 °C. December sees the most rain, with around 101 mm.

By season (average highs, 1991–2020 normals): winter 11.4 °C and 131 mm of rain, spring 19.0 °C and 216 mm, summer 24.3 °C and 278 mm, autumn 18.4 °C and 120 mm. The wettest season is summer (37 % of the annual total), the driest autumn (16 %).

Compared with Sydney, the main town 323 km to the south, highs in the warmest month are 0.2 °C higher here, and the year brings 135 mm less precipitation. In no month does the average low fall below 0 °C; in 5 months the average high exceeds 20 °C (January, February, March, November and December).

Nearby places with normals of their own (from another station or reanalysis grid cell) compare as follows: Uralla (39 km to the north): summers 0.3 °C warmer and 4 mm wetter a year; Moonbi (50 km to the west): summers 4.7 °C warmer and 83 mm drier a year. Among the 330 places we cover in New South Wales whose normals come from the ERA5 reanalysis, Walcha ranks 294th for summer warmth and 188th for annual precipitation. The warmest summers are in Bourke and the coolest in Guyra; the wettest year is in Dorrigo and the driest in Broken Hill.