March in Manteca averages a daily high of 19.7°C with nights around 6.3°C. Expect roughly 8.8 wet days totalling 47.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Manteca is April–May.
Based on STOCKTON AIRPORT, CA US (10.3km), 1995–2024. 30 years of March data.