La Unión Weather in December

With daytime temperatures of 17°C (63°F) and nighttime lows of 12°C (54°F), December in La Unión brings moderate temperatures during the day. Some rainfall is to be expected during the month.

Rainfall in La Unión in December

Based on our climate data of the past 30 years, about 12 days of rain are anticipated, with 32 mm (1.3 in) on average. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in La Unión in December

December in La Unión brings typical temperatures with highs around 17°C (63°F) and lows of 12°C (54°F). December is known for being in the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows of 12°C (54°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're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit La Unión. Our weather planner can help you explore destinations with more pleasant weather conditions.