The highest day temperature in December 2023 was 54°F. The lowest night temperature was 22°F. The average values for day and night temperatures during December were 39.6°F и 36.0°F respectivly.

The average sea surface temperature in December 2023 for Oak Park was 41.4°F. The maximum and minimum values were 38.0°F and 45.0°F respectively.

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

Precipitation total in December for Oak Park is 0.7 in. It makes december one of the least rainy months of the year.

The average wind speed in December is 8.1 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 Oak Park in December is 3.9 hours.