March in Edison averages a daily high of 10.8°C with nights around -0.2°C. Expect roughly 10.5 wet days totalling 107.4mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Edison is May–June.
Based on NEW BRUNSWICK 3 SE, NJ US (5.2km), 1995–2024. 30 years of March data.