December in Van Nuys averages a daily high of 19.5°C with nights around 7.2°C. Expect roughly 5.7 wet days totalling 53.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Van Nuys is March–June.
Based on VAN NUYS AIRPORT, CA US (4.8km), 1995–2024. 27 years of December data.