The highest day temperature in January 2026 was 59°F. The lowest night temperature was 37°F. The average values for day and night temperatures during January were 54.5°F и 50.6°F respectivly.

The average sea surface temperature in January 2026 for Civitavecchia was 60.5°F. The maximum and minimum values were 58.4°F and 62.2°F respectively.

You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in January for Civitavecchia is 2.2 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 11.0 mph. It makes January one of the most windy months of the year for Civitavecchia.

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 Civitavecchia in January is 5.5 hours.