July in Levittown averages a daily high of 28.5°C with nights around 20.3°C. Expect roughly 9.9 wet days totalling 75.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Levittown is August–October.
Based on FARMINGDALE REPUBLIC AIRPORT, NY US (8.3km), 1995–2024. 25 years of July data.