January in Northridge averages a daily high of 20°C with nights around 7.8°C. Expect roughly 5.2 wet days totalling 61.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Northridge is March–June.
Based on VAN NUYS AIRPORT, CA US (4.5km), 1995–2024. 26 years of January data.