The highest day temperature in January 2026 was 91°F. The lowest night temperature was 46°F. The average values for day and night temperatures during January were 72.4°F и 54.9°F respectivly.

The average sea surface temperature in January 2026 for Santa Ana was 63.0°F. The maximum and minimum values were 62.0°F and 63.8°F respectively.

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

Precipitation total in January for Santa Ana is 0.6 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 5.0 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 Santa Ana in January is 7.6 hours.