May in Harrisonburg averages a daily high of 23°C with nights around 9.5°C. Expect roughly 14.1 wet days totalling 105.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Harrisonburg is May–June.
Based on DALE ENTERPRISE, VA US (5.8km), 1995–2024. 30 years of May data.