July in South Vineland averages a daily high of 30.3°C with nights around 19.2°C. Expect roughly 10 wet days totalling 103.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit South Vineland is May–June.
Based on MILLVILLE MUNICIPAL AIRPORT, NJ US (9.8km), 1995–2024. 30 years of July data.