The highest day temperature in December 2023 was 62°F. The lowest night temperature was 40°F. The average values for day and night temperatures during December were 54.9°F и 48.1°F respectivly.

The average sea surface temperature in December 2023 for Portonovo was 58.8°F. The maximum and minimum values were 57.6°F and 60.2°F respectively.

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

Precipitation total in December for Portonovo is 4.2 in. It makes december the most rainy month of the year.

The average wind speed in December is 9.3 mph. It makes December the most windy month of the year for Portonovo.

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 Portonovo in December is 3.3 hours.