The highest day temperature in December 2023 was 58°F. The lowest night temperature was 33°F. The average values for day and night temperatures during December were 50.5°F и 44.0°F respectivly.

The average sea surface temperature in December 2023 for Arenzano was 61.8°F. The maximum and minimum values were 60.0°F and 64.0°F respectively.

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

Precipitation total in December for Arenzano is 1.4 in. It makes december one of the most rainy months of the year.

The average wind speed in December is 5.6 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 Arenzano in December is 4.2 hours.