May in Halifax averages a daily high of 15.9°C with nights around 7.3°C. Expect roughly 13.3 wet days totalling 57.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Halifax is June–September.
Based on BRADFORD, UK (11.8km), 1995–2024. 28 years of May data.