February in Mainz averages a daily high of 6.8°C with nights around 0.6°C. Expect roughly 11.1 wet days totalling 40.1mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Mainz is May–September.
Based on MAINZ LERCHENBERG ZDF, GM (5.1km), 1995–2024. 29 years of February data.