Castañuelas Weather in December

What's the weather like in Castañuelas (Monte Cristi) in December 2025?

The climate in Castañuelas during December can be summarized as hot, humid and a little damp.

December is in the winter in Castañuelas and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 19°C (66°F) is normal.

Castañuelas weather averages (imperial / metric)
Daytime temperature 29.9°C 85.8°F
Nightly temperature 18.7°C 65.7°F
Average temperature 24.3°C 75.7°F
Daily sunshine 6.4 hrs
Avg rainfall 83 mm 3.3 ins
Rainy days 12 days
Sea temperature 27.3°C 81.2°F
Humidity 79%
Windspeed 8.3kph 5 mph

On average December is the 5th wettest month of the year in Castañuelas with around 83mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.4 hours of sunshine per day.

December temperatures in Castañuelas

Castañuelas average temperature in December

December rainfall

Castañuelas average rain in December

December hourly sunshine

Castañuelas average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Castañuelas in December 2025.

Other monthly averages

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UV index Best time to go?

Castañuelas weather stats

Castañuelas weather statistics
Hottest month: August 34.1°C 93.4°F
Driest month: February 45mm 1.8ins
Sunniest month: August 8.6hrs
Coldest month: January 29.7°C 85.5°F
Wettest month: May 116mm 4.6ins
Map showing location of Castañuelas (19.71387, -71.49876) Castañuelas map pin © Google

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