The highest day temperature in January 2025 was 65°F. The lowest night temperature was 23°F. The average values for day and night temperatures during January were 47.8°F и 39.8°F respectivly.

The average sea surface temperature in January 2025 for Myrtle Beach was 48.6°F. The maximum and minimum values were 44.0°F and 53.8°F respectively.

You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in January for Myrtle Beach is 0.9 in. It makes january one of the least rainy months of the year.

The average wind speed in January is 8.4 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 Myrtle Beach in January is 6.1 hours.