March in Pontiac averages a daily high of 7.5°C with nights around -2.9°C. Expect roughly 9.4 wet days totalling 51.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Pontiac is May–September.
Based on PONTIAC WWTP, MI US (2.9km), 1995–2024. 15 years of March data.