The highest day temperature in December 2023 was 109°F. The lowest night temperature was 72°F. The average values for day and night temperatures during December were 98.6°F и 78.1°F respectivly.

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

Precipitation total in December for Montero is 3.0 in. It makes december the most rainy month of the year.

The average wind speed in December is 6.8 mph. This value is relatively stable throughout the year.

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 Montero in December is 6.5 hours.