January in Mobile averages a daily high of 16.3°C with nights around 5.4°C. Expect roughly 10.9 wet days totalling 94mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Mobile is March–May.
Based on MOBILE DOWNTOWN AIRPORT, AL US (9.1km), 1995–2024. 28 years of January data.