December in Lelystad averages a daily high of 6.3°C with nights around 1.4°C. Expect roughly 16.6 wet days totalling 72.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Lelystad is May–September.
Based on LELYSTAD, NL (6.5km), 1995–2024. 30 years of December data.