August in Blaine averages a daily high of 27.3°C with nights around 15.9°C. Expect roughly 9.9 wet days totalling 101mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Blaine is May–June.
Based on MINNEAPOLIS CRYSTAL AIRPORT, MN US (14.3km), 1995–2024. 27 years of August data.