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Rio Maior weather in December (Portugal)

What is the weather forecast for Rio Maior in December? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.

Temperatures

The month of December in Rio Maior typically brings moderate temperatures and moderate rainfall. December is typically considered a winter month. Daytime temperatures generally settle around 16°C, while nighttime can see a dip to about 8°C.

Precipitation

Rio Maior in December usually receives moderate rainfall, averaging around 83 mm for the month. Looking at the last 30 years, the data shows about 14 days with rain.

Average sunshine

The area enjoys a moderate level of sunlight, with around 122 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 Rio Maior. April, 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 Rio Maior climate page with graphs.

 

Rio Maior, monthly averages in December

Min TemperatureMin Temperature 8°C  
Max TemperatureMax Temperature 16°C  
Chance of RainChance of Rain 48%  
PrecipitationPrecipitation 83 mm  
Rainy daysRainy days 14 days  
HumidityHumidity 82% *  
SunshineSunshine 122 hours *  
Percentage SunshinePercentage Sunshine 42% *  
* Data from: Cabo Carvoeiro, Portugal (40 KM, 25 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.

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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?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

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
4/10
Outdoor sports
9/10

Interested in more climate information?

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

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.