The highest day temperature in January 2026 was 62°F. The lowest night temperature was 42°F. The average values for day and night temperatures during January were 56.5°F и 52.8°F respectivly.

The average sea surface temperature in January 2026 for San Fernando was 58.1°F. The maximum and minimum values were 57.0°F and 60.0°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 Fernando is 2.1 in.

The average wind speed in January is 10.4 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 Fernando in January is 6.9 hours.