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.