Castelo Branco Weather in December

December in Castelo Branco averages 14°C (57°F) during the day and 5°C (41°F) at night. Quite a bit of rainfall is typical this month, with around 90 mm (3.5 in) on average. An umbrella is a good idea.

Rainfall in Castelo Branco in December

Past climate data indicates that roughly 14 days will see rain, totalling around 90 mm (3.5 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Castelo Branco in December

Daytime highs in Castelo Branco in December reach 14°C (57°F), with nights around 5°C (41°F). December is typically considered a winter month. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Castelo Branco in December

The month experiences a moderate amount of sunlight, with 105 hours of sunshine. This provides a nice balance between sunshine and clouds.

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.

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.

Castelo Branco Temperature in December

Min Temperature 5°C (41°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 47%  

Precipitation 90 mm (3.5 in)  

Rainy days 14 days  

Humidity 78% *  

Sunshine 105 hours *  

Percentage Sunshine *  

* Data from: Penhas Douradas, Portugal (66 KM, 41 Miles).

What to Wear in Castelo Branco in December

Pack for changing conditions in Castelo Branco in December. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Castelo Branco in December

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

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 Sunshine Humidity

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