April in Grays averages a daily high of 15.2°C with nights around 6°C. Expect roughly 10.7 wet days totalling 39.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Grays is May–September.
Based on HEATHROW, UK (8.6km), 1995–2024. 30 years of April data.