May in Georgetown averages a daily high of 29.8°C with nights around 17.9°C. Expect roughly 8.2 wet days totalling 112mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Georgetown is February–April.
Based on GEORGETOWN LAKE, TX US (6.4km), 1995–2024. 26 years of May data.