December in Nyíregyháza averages a daily high of 3.4°C with nights around -2.1°C. Expect roughly 9.1 wet days totalling 40.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Nyíregyháza is April–September.
Based on DEBRECEN AIRPORT, HU (52.3km), 1995–2024. 26 years of December data.