July in Staten Island averages a daily high of 30.8°C with nights around 21°C. Expect roughly 10.2 wet days totalling 121.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Staten Island is May–June.
Based on NEWARK LIBERTY INTERNATIONAL AIRPORT, NJ US (13.6km), 1995–2024. 30 years of July data.