San Luis Weather in December

What's the weather like in San Luis (Petén) in December 2024?

The climate in San Luis during December can be summarized as warm, humid and wet.

December is in the winter in San Luis and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a muggy 25°C (78°F), whilst at night 18°C (64°F) is normal.

San Luis weather averages (imperial / metric)
Daytime temperature 25.3°C 77.5°F
Nightly temperature 17.6°C 63.6°F
Average temperature 21.4°C 70.5°F
Daily sunshine 5.7 hrs
Avg rainfall 155 mm 6.1 ins
Rainy days 15 days
Sea temperature 27.7°C 81.9°F
Humidity 79%
Windspeed 12.6kph 8 mph

On average December is the 5th driest month of the year in San Luis with around 155mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.7 hours of sunshine per day.

December temperatures in San Luis

San Luis average temperature in December

December rainfall

San Luis average rain in December

December hourly sunshine

San Luis 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 San Luis in December 2024.

Other monthly averages

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San Luis weather stats

San Luis weather statistics
Hottest month: June 30.1°C 86.2°F
Driest month: March 85mm 3.3ins
Sunniest month: March 7.6hrs
Coldest month: January 24.7°C 76.5°F
Wettest month: July 502mm 19.8ins
Map showing location of San Luis (16.19889, -89.44028) San Luis map pin © Google

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