Caldas de Aregos Weather in December

December in Caldas de Aregos brings moderate temperatures, with highs of 12°C (54°F) and nights dropping to 4°C (39°F). Rainfall is on the higher side this month, averaging around 170 mm (6.7 in), so keep a rain jacket handy.

Rainfall in Caldas de Aregos in December

Historically, the month has about 16 days of rain, averaging 170 mm (6.7 in) in total. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Caldas de Aregos in December

Daytime temperatures in Caldas de Aregos reach 12°C (54°F) in December, dropping to 4°C (39°F) at night. December is typically considered a winter month. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Caldas de Aregos in December

You can expect a moderate amount of sunlight, with approximately 124 hours. This means a pleasant mix of sun and overcast.

December in Caldas de Aregos can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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 Caldas de Aregos's climate page.

Caldas de Aregos Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 12°C (54°F)  

Chance of Rain 52%  

Precipitation 170 mm (6.7 in)  

Rainy days 16 days  

Humidity 81% *  

Sunshine 124 hours *  

Percentage Sunshine 46% *  

* Data from: Porto, Portugal (57 KM, 35 Miles).

What to Wear in Caldas de Aregos in December

The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Caldas de Aregos in December

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

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 Caldas de Aregos's climate page.

More climate data for Caldas de Aregos

Temperature Rainfall Sunshine Humidity

See the full Caldas de Aregos climate overview or explore weather in Portugal.