The weather in Maranhao in December is very hot. The average temperatures are between 24°C and 32°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of December in Maranhao.
Maranhao should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Maranhao in December 2025.
If you’re planning to visit Maranhao in the near future, we highly recommend that you review the 14 day weather forecast for Maranhao before you arrive.
Temperatures
32° / 24°
Rainy Days
16
Snowy Days
0
Dry Days
15
Rainfall
336
mm
Sun Hours
10.5
Hrs