The highest day temperature in January 2026 was 63°F. The lowest night temperature was 50°F. The average values for day and night temperatures during January were 58.7°F и 56.5°F respectivly.

The average sea surface temperature in January 2026 for Marettimo was 62.1°F. The maximum and minimum values were 60.6°F and 64.8°F respectively.

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

Precipitation total in January for Marettimo is 0.9 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 14.3 mph. It makes January the most windy month of the year for Marettimo.

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 Marettimo in January is 5.2 hours.