June in Stevenage averages a daily high of 21.4°C with nights around 10.8°C. Expect roughly 10 wet days totalling 46.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Stevenage is May–September.
Based on CAMBRIDGE B. GDNS, UK (39.6km), 1995–2024. 20 years of June data.