Saint-Louis Weather in December

December in Saint-Louis brings low temperatures, with highs of 6°C (43°F) and nights dropping to 0°C (32°F). Rainfall is on the higher side this month, averaging around 105 mm (4.1 in), so keep a rain jacket handy.

Rainfall in Saint-Louis in December

You can typically expect 15 days of snow/rain this month, averaging around 105 mm (4.1 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Saint-Louis in December

Temperatures in Saint-Louis in December top out at 6°C (43°F) and drop to 0°C (32°F) overnight. December is in the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With lows of 0°C (32°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.

Sunshine in Saint-Louis in December

This month is characterized by fewer sunny days, with about 53 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Saint-Louis. Our weather planner can help you explore destinations with more pleasant weather conditions.