August in Vineland averages a daily high of 29.4°C with nights around 18.3°C. Expect roughly 9.2 wet days totalling 114.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Vineland is May–June.
Based on MILLVILLE MUNICIPAL AIRPORT, NJ US (14.1km), 1995–2024. 30 years of August data.