July in Merced averages a daily high of 36.3°C with nights around 17°C. Rain is rare — about 0 wet days and 0mm across the month. Generally workable, with some weather to plan around.
Across the year, the best time to visit Merced is April–May.
Based on MERCED, CA US (3.3km), 1995–2024. 25 years of July data.