August in Syracuse averages a daily high of 27.3°C with nights around 16.1°C. Expect roughly 11 wet days totalling 100.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Syracuse is May–September.
Based on SYRACUSE HANCOCK INTERNATIONAL AIRPORT, NY US (7.8km), 1995–2024. 30 years of August data.