The highest day temperature in December 2023 was 44°F. The lowest night temperature was 8°F. The average values for day and night temperatures during December were 29.0°F и 26.9°F respectivly.

The average sea surface temperature in December 2023 for Jonkoping was 40.6°F. The maximum and minimum values were 38.4°F and 43.0°F respectively.

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

Precipitation total in December for Jonkoping is 1.4 in.

The average wind speed in December is 10.2 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 Jonkoping in December is 1.7 hours.