August in Newcastle averages a daily high of 19.1°C with nights around 10.3°C. Expect roughly 7.3 wet days totalling 52.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Newcastle is August–May.
Based on NEWCASTLE NOBBYS SIGNAL STATIO, AS (2.1km), 1995–2024. 28 years of August data.