Maranhão Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Maranhão, Brazil in December.

Planning a getaway to Maranhão, Brazil this December and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Maranhão in December

Maranhão, Brazil is a region in Brazil. December in Maranhão generally has very warm temperatures, with precipitation levels ranging from moderate to heavy.

Temperatures

The average maximum temperatures are very warm and range from 31°C (88°F) in São Luís to 33°C (91°F) in Barreirinhas. Nighttime temperatures generally drop to 25°C (77°F) in Barreirinhas and 26°C (79°F) in São Luís. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

For specific regional insights in Maranhão, Brazil, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Atins with an average of 46 mm (1.8 in) to heavy rainfall in Carolina with 212 mm (8.3 in).

Average sunshine

December brings good sunshine to many areas. São Luís sees around 206 hours of sunlight, great for visitors looking for bright days.

Explore Maranhão by month

Best Places to Visit in Maranhão in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Maranhão.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Maranhão

What is the weather like in December for some of the most popular destinations in Maranhão, Brazil?

Temperature range in Maranhão (December)

Precipitation variation in Maranhão (December)

São Luís

In December São Luís generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
244 hours
206 hours
194 hours
Monthly rainfall
36 mm (1.4 in)
83 mm (3.3 in)
226 mm (8.9 in)
Monthly rainy days
6 days
12 days
26 days
Weather conditions

Carolina

In December Carolina generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
33°C (91°F)
32°C (90°F)
32°C (90°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
142 hours
130 hours
136 hours
Monthly rainfall
171 mm (6.7 in)
212 mm (8.3 in)
272 mm (11 in)
Monthly rainy days
12 days
18 days
24 days
Weather conditions

Santo Amaro

In December Santo Amaro generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
32°C (90°F)
32°C (90°F)
31°C (88°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly rainfall
22 mm (0.9 in)
56 mm (2.2 in)
184 mm (7.2 in)
Monthly rainy days
6 days
12 days
25 days
Weather conditions

Barreirinhas

In December Barreirinhas generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
33°C (91°F)
33°C (91°F)
32°C (90°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
17 mm (0.7 in)
47 mm (1.9 in)
154 mm (6.1 in)
Monthly rainy days
7 days
13 days
25 days
Weather conditions

Atins

In December Atins generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly rainfall
16 mm (0.6 in)
46 mm (1.8 in)
162 mm (6.4 in)
Monthly rainy days
7 days
13 days
25 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Maranhão, in Brazil.

Popular cities in December

Day & night temperatures, rainfall and average weather in Maranhão in December.

City Weather Day temp Night temp Rainfall
São Luís 31°C (88°F) 26°C (79°F) 83 mm (3.3 in)
Carolina 32°C (90°F) 23°C (73°F) 212 mm (8.3 in)
Santo Amaro 32°C (90°F) 26°C (79°F) 56 mm (2.2 in)
Barreirinhas 33°C (91°F) 25°C (77°F) 47 mm (1.9 in)
Atins 31°C (88°F) 26°C (79°F) 46 mm (1.8 in)
Imperatriz 33°C (91°F) 23°C (73°F) 157 mm (6.2 in)

Maranhão weather in December: frequently asked questions

What is the weather like in Maranhão, Brazil in December?

Maranhão, Brazil typically experiences tolerable weather in December, part of the season. Daytime highs in São Luís average around 31°C (88°F), and temperatures drop to about 26°C (79°F) at night.

What is the average temperature in Maranhão, Brazil in December?

São Luís averages a daytime maximum of 31°C (88°F) in December, with overnight lows close to 26°C (79°F).

Does Maranhão, Brazil get a lot of rain in December?

Rain is generally moderate to light in Maranhão, Brazil during December, with São Luís averaging close to 83 mm (3.3 in).

Is December a Good Time to Visit Maranhão, Brazil?

In our opinion, December is a good time to visit Maranhão, Brazil with overall pleasant weather in São Luís.

Generally speaking, the best visiting conditions can be found in September and October offering mostly pleasant weather in São Luís. In contrast, January, February, March, April and May tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Maranhão.

Weather and climate has detailed information for every country in the world. Are you going to Brazil? Get detailed historical weather averages for many cities in Brazil.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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