January in Lisburn averages a daily high of 7.2°C with nights around 1.7°C. Expect roughly 19 wet days totalling 85.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Lisburn is June–September.
Based on HILLSBOROUGH, UK (8.3km), 1995–2024. 23 years of January data.