The highest day temperature in January 2025 was 69°F. The lowest night temperature was 37°F. The average values for day and night temperatures during January were 54.5°F и 53.2°F respectivly.

The average sea surface temperature in January 2025 for Port Aransas was 60.1°F. The maximum and minimum values were 53.8°F and 68.4°F respectively.

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

Precipitation total in January for Port Aransas is 0.5 in. It makes january one of the least rainy months of the year.

The average wind speed in January is 12.9 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 Port Aransas in January is 5.3 hours.