The highest day temperature in January 2024 was 71°F. The lowest night temperature was 51°F. The average values for day and night temperatures during January were 62.5°F и 56.8°F respectivly.

The average sea surface temperature in January 2024 for San Diego was 60.7°F. The maximum and minimum values were 58.4°F and 63.0°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 Diego is 1.0 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 5.7 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 Diego in January is 7.2 hours.