Sines weather in December (Alentejo, Portugal)
How does the weather in Sines usually fare in December? Discover if this is the best time for your journey with our detailed monthly weather breakdown.
Temperatures
The month of December in Sines typically brings moderate temperatures and moderate rainfall. Daytime temperatures are expected to be around 17°C, cooling off to about 11°C at night.
Precipitation
Sines in December usually receives moderate rainfall, averaging around 85 mm for the month. As the month with the most rain, you'll want to have an umbrella with you to manage the frequent showers. On average, there are about 13 days with rain during this month.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Sines. May, June, July, August, September and October generally stand out with 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 Sines climate page with graphs.
Sines, monthly averages in December
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.
So, what should you wear in this month?
For visitors traveling to Sines, 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.
Interested in more climate information?
This site provides you with all the information you need about the climate in Sines.
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.