June in Lethbridge averages a daily high of 22.1°C with nights around 9.3°C. Expect roughly 11 wet days totalling 84.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Lethbridge is July–September.
Based on LETHBRIDGE CDA, AB CA (3.7km), 1995–2024. 29 years of June data.