February in Gaithersburg averages a daily high of 6.3°C with nights around -2.7°C. Expect roughly 9.8 wet days totalling 74.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Gaithersburg is August–October.
Based on DAMASCUS 3 SSW, MD US (13.8km), 1995–2024. 30 years of February data.