The summer season in Myrtle Beach is hot and humid, with average highs ranging from 83 to 91°F (28 to 33°C) and average nighttime lows close to 70°F (21°C). The warmest month of the year is July, with an average high of 86.7°F and a low of 74°F. The coldest month is January, with an average low of 40°F and a high of 54.3°F. The area within 2 miles of Myrtle Beach is covered by artificial surfaces (57%) and water (41%), while within 10 miles it's water (46%) and artificial surfaces (26%).
The average hourly wind speed experiences significant seasonal variation over the course of the year. The average percentage of the sky covered by clouds also experiences significant seasonal variation over the year. The hottest month of the year in Myrtle Beach is July, with an average high of 87°F and a low of 74°F. The coldest month of the year in Myrtle Beach is January, with an average low of 40°F and a high of 56°F.
The darkest period of the year lasts 2.8 months, from November 11 to February 6, with an average daily incident shortwave energy per square meter below 3.5 kWh. The month with the least amount of wet days in Myrtle Beach is November, with an average of 6.7 days with at least 0.04 inches of precipitation.When the weather is nice on the beach, it rains a little more due to the high humidity and cool breezes that come from the ocean. For most of the year, you can expect average maximum temperatures to reach at least 70 degrees, making it perfect for beach days and lounging by the pool. According to this score, the best times of the year to visit Myrtle Beach and do general outdoor tourist activities are from mid-April to early June and from late September to late October, with a maximum score in the second week of May.