December in Warwick averages a daily high of 6.4°C with nights around -2.3°C. Expect roughly 12 wet days totalling 120.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Warwick is May–September.
Based on RHODE ISLAND T.F. GREEN INTERNATIONAL AIRPORT, RI US (2.8km), 1995–2024. 30 years of December data.