May in Grahamstown averages a daily high of 22.9°C with nights around 9.7°C. Expect roughly 4.4 wet days totalling 23.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Grahamstown is May–October.
Based on GRAHAMSTOWN, SF (3.9km), 1995–2024. 18 years of May data.