June in Grays averages a daily high of 21.9°C with nights around 12.2°C. Expect roughly 9.6 wet days totalling 46.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Grays is May–September.
Based on HEATHROW, UK (8.6km), 1995–2024. 30 years of June data.