April in Livermore averages a daily high of 22°C with nights around 7.7°C. Expect roughly 5.5 wet days totalling 28.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Livermore is April–June.
Based on LIVERMORE, CA US (1.5km), 1995–2024. 30 years of April data.