The highest day temperature in January 2024 was 60°F. The lowest night temperature was 35°F. The average values for day and night temperatures during January were 52.8°F и 46.3°F respectivly.

The average sea surface temperature in January 2024 for San Giuliano was 57.6°F. The maximum and minimum values were 56.0°F and 59.0°F respectively.

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

Precipitation total in January for San Giuliano is 2.0 in.

The average wind speed in January is 7.0 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 San Giuliano in January is 5.7 hours.