July in Union City averages a daily high of 29.4°C with nights around 21.1°C. Expect roughly 10.7 wet days totalling 125.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Union City is May–June.
Based on NY CITY CENTRAL PARK, NY US (4.6km), 1995–2024. 30 years of July data.