Bay Saint Louis Weather in December

Bay Saint Louis in December averages 17°C (63°F) during the day and 7°C (45°F) at night. This is part of the winter season, and quite a bit of rainfall is expected this month.

Rainfall in Bay Saint Louis in December

Typically around 11 days of rainfall are expected, averaging 168 mm (6.6 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Bay Saint Louis in December

Bay Saint Louis in December gets highs of 17°C (63°F) during the day and drops to 7°C (45°F) at night. December is typically considered a winter month. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Should you favor a climate that's both dry and comfortably warm, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.