The highest day temperature in January 2025 was 59°F. The lowest night temperature was 40°F. The average values for day and night temperatures during January were 52.1°F и 48.5°F respectivly.

The average sea surface temperature in January 2025 for Diano Marina was 59.2°F. The maximum and minimum values were 58.2°F and 60.6°F respectively.

Most of the days in January are sunny but you can also expect cloudy and gloomy days.

Precipitation total in January for Diano Marina is 1.8 in.

The average wind speed in January is 8.3 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 Diano Marina in January is 6.2 hours.