The highest day temperature in December 2025 was 100°F. The lowest night temperature was 61°F. The average values for day and night temperatures during December were 88.5°F и 68.7°F respectivly.

You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in December for San Fernando del Valle de Catamarca is 1.3 in. It makes december one of the most rainy months of the year.

The average wind speed in December is 9.2 mph. It makes December one of the most windy months of the year for San Fernando del Valle de Catamarca.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Fernando del Valle de Catamarca in December is 8.4 hours.