December in Tyler averages a daily high of 15.6°C with nights around 4.6°C. Expect roughly 8.8 wet days totalling 109.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tyler is March–April.
Based on TYLER, TX US (5.7km), 1995–2024. 29 years of December data.