The highest day temperature in December 2023 was 93°F. The lowest night temperature was 72°F. The average values for day and night temperatures during December were 90.5°F и 76.2°F respectivly.

Most of the days in December are cloudy but you can also expect sunny or gloomy days.

Precipitation total in December for Santiago is 1.4 in. It makes december one of the least rainy months of the year.

The average wind speed in December is 3.1 mph. It makes December the most windless month of the year for Santiago.

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 Santiago in December is 6.7 hours.