Seixal weather in December (Lisbon Region, Portugal)

Thinking of visiting Seixal in December? Check the weather first! Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

December in Seixal generally includes moderate temperatures and moderate rainfall. December is a notable month of the winter season. In the daytime, temperatures tend to hover near 16°C, cooling down at night to around 11°C.

Precipitation

Seixal in December usually receives moderate rainfall, averaging around 81 mm for the month. Analyzing past climate data, one can expect approximately 14 days of rain.

Average sunshine

The area enjoys a moderate level of sunlight, with around 141 hours. It's a good balance between sunny and cloudy days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Seixal. May, June, July, August, September and October typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

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

 

Seixal, monthly averages in December

Min Temperature 11°C  

Max Temperature 16°C  

Chance of Rain 46%  

Precipitation 81 mm  

Rainy days 14 days  

Sunshine 141 hours *  

Percentage Sunshine 57% *  

* Data from: Lisbon, Portugal (8 KM, 5 Miles).

Where to go in Portugal in December

Find out more about the weather in Portugal and which places have the best travel 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 this month?

For visitors traveling to Seixal, 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.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

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

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 travel conditions. Find out where to go with our weather planner.