July in Richland averages a daily high of 32.4°C with nights around 16°C. Rain is rare — about 1.7 wet days and 3.6mm across the month. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Richland is May–June.
Based on RICHLAND, WA US (3.3km), 1995–2024. 30 years of July data.