May in Southfield averages a daily high of 20.9°C with nights around 8.2°C. Expect roughly 12.3 wet days totalling 100.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Southfield is May–June.
Based on FARMINGTON, MI US (11.6km), 1995–2024. 20 years of May data.