Weather in Rochester

Climate of Rochester: 1991–2020 normals

In Rochester, January is typically the warmest month (up to 30.3 °C on average), while July is the coldest at 5.2 °C. September sees the most rain, with around 45 mm.

By season (average highs, 1991–2020 normals): winter 13.5 °C and 118 mm of rain, spring 20.9 °C and 127 mm, summer 29.2 °C and 107 mm, autumn 21.4 °C and 92 mm. The wettest season is spring (29 % of the annual total), the driest autumn (21 %).

Compared with Melbourne, the main town 163 km to the south, highs in the warmest month are 4.3 °C higher here, and the year brings 172 mm less precipitation. In no month does the average low fall below 0 °C; in 7 months the average high exceeds 20 °C (January, February, March, April, October, November and December).

Nearby places with normals of their own (from another station or reanalysis grid cell) compare as follows: Tongala (26 km to the north-east): summers 0.2 °C cooler and 28 mm wetter a year; Moama (29 km to the north): summers 0.6 °C warmer and 28 mm drier a year; Rushworth (38 km to the south-east): summers 1.1 °C cooler and 62 mm wetter a year. Among the 189 places we cover in Victoria whose normals come from the ERA5 reanalysis, Rochester ranks 15th for summer warmth and 173rd for annual precipitation. The warmest summers are in Irymple and the coolest in Falls Creek; the wettest year is in Falls Creek and the driest in Merbein.