July in Newcastle averages a daily high of 17.9°C with nights around 9.5°C. Expect roughly 9 wet days totalling 75mm. 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 July data.