The highest day temperature in December 2023 was 55°F. The lowest night temperature was 24°F. The average values for day and night temperatures during December were 39.7°F и 36.4°F respectivly.

The average sea surface temperature in December 2023 for Rochester was 42.6°F. The maximum and minimum values were 39.4°F and 44.6°F respectively.

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

Precipitation total in December for Rochester is 1.0 in. It makes december one of the least rainy months of the year.

The average wind speed in December is 10.0 mph. It makes December one of the most windy months of the year for Rochester.

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 Rochester in December is 2.7 hours.