Sines Weather in December

With daytime temperatures of 17°C (63°F) and nighttime lows of 11°C (52°F), December in Sines brings moderate temperatures during the day. It is also the wettest month of the year, so pack an umbrella.

Rainfall in Sines in December

This is the wettest month of the year, so having an umbrella ready is a smart choice. You can typically expect 13 days of rain this month, averaging around 85 mm (3.3 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Sines in December

If you're visiting Sines in December, expect highs of 17°C (63°F) and overnight lows around 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September and October typically offer the best weather for Sines.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Portugal, check out our Sines's climate page.

Sines Temperature in December

Min Temperature 11°C (52°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 42%  

Precipitation 85 mm (3.3 in)  

Rainy days 13 days  

What to Wear in Sines in December

Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags.

What To Do in Sines in December

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

Cycling

6/10

Walking

6/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Portugal, check out our Sines's climate page.

More climate data for Sines

Temperature Rainfall

See the full Sines climate overview or explore weather in Portugal.