December in Paris 05 Panthéon averages a daily high of 8.8°C with nights around 2.6°C. Expect roughly 16 wet days totalling 60.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Paris 05 Panthéon is May–September.
Based on PARIS MONTSOURIS, FR (2.7km), 1995–2024. 16 years of December data.