June in Hempstead averages a daily high of 25.8°C with nights around 17.1°C. Expect roughly 10.8 wet days totalling 99.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hempstead is August–October.
Based on JFK INTERNATIONAL AIRPORT, NY US (14.3km), 1995–2024. 30 years of June data.