La Unión Weather in December

The climate in La Unión during December can be summarized as mild and dry.

December is in the winter in La Unión and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 10°C (49°F) is normal.

On average December is the 5th wettest month of the year in La Unión with around 24mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 hours of sunshine per day.

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 La Unión in December 2024.