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.