May in Craigavon averages a daily high of 16.1°C with nights around 7.3°C. Expect roughly 15.9 wet days totalling 82.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Craigavon is June–September.
Based on ARMAGH, UK (20.2km), 1995–2024. 30 years of May data.