São Sebastião weather in December (Sao Paulo State, Brazil)

Planning a trip to São Sebastião in December? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In December, São Sebastião generally has high temperatures and heavy rainfall. Daytime temperatures hover around 27°C, while nights can cool down to about 23°C.

São Sebastião in December falls under the rainy season with heavy rainfall, averaging around 180 mm for the month. Based on our climate data of the past 30 years, about 19 days of rain are anticipated.

The area sees fewer sunny days, with a projection of about 92 hours of sunshine. This reduced sunlight makes it ideal for those who prefer cooler, overcast conditions over bright sunny days.

If your ideal day consists of dry skies and moderate temperatures June, July and August generally stand out with the best circumstances. While January, February and March tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized São Sebastião climate page with graphs.

 

São Sebastião, monthly averages in December

Min Temperature 23°C  

Max Temperature 27°C  

Chance of Rain 64%  

Precipitation 180 mm  

Rainy days 19 days  

Sunshine 92 hours *  

Percentage Sunshine *  

* Data from: Ubatuba, Brazil (53 KM, 33 Miles).

Where to go in Brazil in December

Find out more about the weather in Brazil in December and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

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

So, what should you wear in São Sebastião in December?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in São Sebastião.

Our site offers climate and forecast data for every country in the world. Are you going to Brazil? On this website you can find 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 climate conditions. Find out where to go with our weather planner.