December in Corona averages a daily high of 7.5°C with nights around 1.5°C. Expect roughly 11.6 wet days totalling 104.9mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Corona is May–June.
Based on LAGUARDIA AIRPORT, NY US (4km), 1995–2024. 30 years of December data.