December in Gainesville averages a daily high of 21°C with nights around 7.7°C. Expect roughly 7 wet days totalling 78.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Gainesville is October–April.
Based on GAINESVILLE REGIONAL AIRPORT, FL US (6.5km), 1995–2024. 30 years of December data.