Castelo Branco Weather in December

December in Castelo Branco brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 16°C (61°F). It's the rainiest month of the year, so come prepared with waterproof gear.

Rainfall in Castelo Branco in December

Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. You can expect rain on around 18 days based on historical patterns, with 124 mm (4.9 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Castelo Branco in December

Temperatures in Castelo Branco in December top out at 19°C (66°F) and drop to 16°C (61°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows of 16°C (61°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.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Castelo Branco. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Castelo Branco Temperature in December

Min Temperature 16°C (61°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 61%  

Precipitation 124 mm (4.9 in)  

Rainy days 18 days  

What to Wear in Castelo Branco in December

For Castelo Branco in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Castelo Branco in December

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

Cycling

9/10

Walking

9/10

Camping

6/10

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 Castelo Branco's climate page.

More climate data for Castelo Branco

Temperature Rainfall

See the full Castelo Branco climate overview or explore weather in Portugal.