Santiago do Cacém weather in December (Alentejo, Portugal)

Looking to travel to Santiago do Cacém in December? Check out this comprehensive weather guide.

In December, Santiago do Cacém generally has moderate temperatures and moderate rainfall. December is a winter month. Daytime temperatures hover around 17°C, while nights can cool down to about 9°C.

Santiago do Cacém in December usually receives moderate rainfall, averaging around 78 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 13 days of the month will see rainfall.

The area enjoys a balanced 148 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Santiago do Cacém. April, May, June, July, August, September and October typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Santiago do Cacém climate page with graphs.

 

Santiago do Cacém, monthly averages in December

Min Temperature 9°C  

Max Temperature 17°C  

Chance of Rain 42%  

Precipitation 78 mm  

Rainy days 13 days  

Humidity 81% *  

Sunshine 148 hours *  

Percentage Sunshine 54% *  

* Data from: Beja, Portugal (72 KM, 45 Miles).

Where to go in Portugal in December

Find out more about the weather in Portugal 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 Santiago do Cacém in December?

For visitors traveling to Santiago do Cacém, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Santiago do Cacém.

Our site offers climate and forecast data for every country in the world. Are you going to Portugal? On this website you can find historical weather averages for many cities in Portugal. 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.