April in Modesto averages a daily high of 23.3°C with nights around 9.4°C. Expect roughly 4.6 wet days totalling 24.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Modesto is April–May.
Based on MODESTO AIRPORT, CA US (4km), 1995–2024. 30 years of April data.