May in Wayne averages a daily high of 22.6°C with nights around 10.8°C. Expect roughly 13.1 wet days totalling 94.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Wayne is May–June.
Based on CALDWELL ESSEX CO AIRPORT, NJ US (5.5km), 1995–2024. 25 years of May data.