May in South Vineland averages a daily high of 22.9°C with nights around 10.5°C. Expect roughly 10.9 wet days totalling 79.2mm. Comfortable conditions for being outdoors all day.
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 May data.