Oeiras weather in December (Lisbon Region, Portugal)

What should you pack for a trip to Oeiras in December? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

In December, Oeiras tends to experience moderate temperatures and moderate rainfall. Anticipate daytime temperatures around 16°C, while night temperatures can drop to 12°C.

Precipitation

Oeiras in December usually receives moderate rainfall, averaging around 87 mm for the month. Based on our climate data of the past 30 years, about 14 days of rain are anticipated.

Average sunshine

The month experiences a moderate amount of sunlight, with 162 hours hours. A nice balance between sunshine and clouds.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Oeiras. May, June, July, August, September and October generally stand out with the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

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

 

Oeiras, monthly averages in December

Min Temperature 12°C  

Max Temperature 16°C  

Chance of Rain 47%  

Precipitation 87 mm  

Rainy days 14 days  

Humidity 81% *  

Sunshine 162 hours *  

Percentage Sunshine 55% *  

Data from: Cascais, Portugal (9 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 Oeiras, 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

Barbeque

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 Oeiras.

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.