December in Beaumont averages a daily high of 18.5°C with nights around 7.6°C. Expect roughly 9.4 wet days totalling 122.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Beaumont is March–April.
Based on BEAUMONT CITY, TX US (1.2km), 1995–2024. 18 years of December data.