São Luís weather in December
Hot and humid, with regular rainfall. Average highs of 31°C and lows of 25°C, with around 18 rainy days expected throughout the month.
While December isn't our top-rated month for São Luís, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
31°C
Average low
25°C
Rainy days
18 days
Best months to visit
Year-round
What to do in São Luís in December
Whatever the weather, São Luís rewards curious visitors. Here are some of the best ways to spend your time:
Explore
Dine
Culture
Nature
Shopping
Day trips
What to pack for December
Light breathable clothing, high-SPF sunscreen, a wide-brimmed hat, and a reusable water bottle are essential. Pack sandals and at least one light layer for air-conditioned interiors.
Browse other months
January
29C
Warm and pleasant, with frequent heavy rain.
February
29C
Warm and pleasant, with frequent heavy rain.
March
29C
Warm and pleasant, with frequent heavy rain.
April
29C
Warm and pleasant, with frequent heavy rain.
May
29C
Warm and pleasant, with frequent heavy rain.
June
30C
Hot and humid, with frequent heavy rain.
July
30C
Hot and humid, with regular rainfall.
August
31C
Hot and humid, with some rainy days.
September
31C
Hot and humid, with occasional showers.
October
32C
Hot and humid, with some rainy days.
November
31C
Hot and humid, with some rainy days.
December (you are here)
31C
Hot and humid, with regular rainfall.
Book your December trip to São Luís
Find hotels, tours and experiences for the perfect escape.
