June in Harlow averages a daily high of 20°C with nights around 10.3°C. Expect roughly 10.5 wet days totalling 48.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Harlow is June–September.
Based on ROTHAMSTED, UK (17.3km), 1995–2024. 30 years of June data.