July in Blaine averages a daily high of 29°C with nights around 17.4°C. Expect roughly 9.9 wet days totalling 87.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Blaine is May–June.
Based on MINNEAPOLIS CRYSTAL AIRPORT, MN US (14.3km), 1995–2024. 26 years of July data.