December in Redding averages a daily high of 13.3°C with nights around 3.1°C. Expect roughly 12.9 wet days totalling 165.5mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Redding is April–May.
Based on REDDING AIRPORT, CA US (11.3km), 1995–2024. 30 years of December data.