March in Billings averages a daily high of 11.8°C with nights around -3.5°C. Expect roughly 5.8 wet days totalling 25.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Billings is June.
Based on BILLINGS WATER TREATMENT PLANT, MT US (2km), 1995–2024. 28 years of March data.