January in Tarneit averages a daily high of 26.3°C with nights around 14.9°C. Expect roughly 6.1 wet days totalling 42.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Tarneit is November–April.
Based on LAVERTON RAAF, AS (8.8km), 1995–2024. 30 years of January data.