December in Upington averages a daily high of 36.7°C with nights around 18.7°C. Expect roughly 3.3 wet days totalling 24.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Upington is May–August.
Based on UPINGTON AGR., SF (0.6km), 1995–2024. 30 years of December data.