January in South Vineland averages a daily high of 6.1°C with nights around -4.3°C. Expect roughly 8.9 wet days totalling 72.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit South Vineland is May–June.
Based on MILLVILLE MUNICIPAL AIRPORT, NJ US (9.8km), 1995–2024. 29 years of January data.