Monthly climate in Surfside Beach, South Carolina, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Surfside Beach features a humid subtropical climate (Cfa). Temperatures typically range between 10 °C (51 °F) and 27 °C (81 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 1425 mm (56.1 inches) and receives 137 rainy days on the 1 mm (0.04 inches) threshold annually. Surfside Beach enjoys an average of 3352 hours of sunshine throughout the year, and daylight varies from 9 hours 56 minutes to 14 hours 20 minutes per day.

Monthly average temperatures in Surfside Beach, South Carolina, United States §

The warmest months in Surfside Beach are June, July and August, with daily mean temperatures ranging from 26 to 27 °C (78 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (51 - 55 °F) throughout the day. On average each year, Surfside Beach experiences 124 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Surfside Beach, South Carolina, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 22°C
(71°F)
22°C
(71°F)
24°C
(75°F)
27°C
(80°F)
32°C
(90°F)
31°C
(89°F)
32°C
(89°F)
31°C
(89°F)
32°C
(90°F)
30°C
(87°F)
26°C
(79°F)
22°C
(72°F)
Mean maximum 20°C
(68°F)
20°C
(69°F)
22°C
(72°F)
25°C
(77°F)
29°C
(84°F)
30°C
(87°F)
31°C
(88°F)
31°C
(88°F)
31°C
(87°F)
28°C
(83°F)
24°C
(76°F)
21°C
(70°F)
Average high 13°C
(56°F)
15°C
(60°F)
17°C
(63°F)
21°C
(69°F)
25°C
(77°F)
27°C
(82°F)
29°C
(84°F)
29°C
(84°F)
27°C
(82°F)
24°C
(76°F)
18°C
(65°F)
15°C
(60°F)
Daily mean 10°C
(51°F)
12°C
(55°F)
14°C
(58°F)
18°C
(65°F)
23°C
(73°F)
26°C
(78°F)
27°C
(81°F)
27°C
(81°F)
26°C
(78°F)
22°C
(72°F)
15°C
(60°F)
12°C
(54°F)
Average low 8°C
(46°F)
10°C
(50°F)
11°C
(53°F)
16°C
(60°F)
20°C
(69°F)
24°C
(75°F)
25°C
(78°F)
25°C
(78°F)
24°C
(75°F)
20°C
(68°F)
12°C
(55°F)
9°C
(49°F)
Mean minimum -1°C
(30°F)
2°C
(36°F)
3°C
(38°F)
8°C
(46°F)
13°C
(56°F)
20°C
(67°F)
22°C
(73°F)
22°C
(72°F)
19°C
(67°F)
12°C
(53°F)
5°C
(41°F)
3°C
(37°F)
Minimum -5°C
(24°F)
1°C
(34°F)
1°C
(34°F)
5°C
(41°F)
12°C
(54°F)
16°C
(62°F)
21°C
(70°F)
21°C
(71°F)
15°C
(59°F)
7°C
(44°F)
2°C
(36°F)
-1°C
(31°F)

Compare climate in Surfside Beach with other places

Compare temperature, precipitation, sunshine, UV index in Surfside Beach, South Carolina, United States with other places around the world.

Monthly average precipitation in Surfside Beach, South Carolina, United States §

Surfside Beach usually has the most precipitation in July, August and September, with an average of 17 rainy days and 184 mm (7.2 inches) of precipitation per month. The driest months in Surfside Beach are January, March and October. On average, 68 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Surfside Beach, South Carolina, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 67 (2.6) 95 (3.7) 74 (2.9) 95 (3.7) 108 (4.3) 138 (5.4) 162 (6.4) 196 (7.7) 193 (7.6) 62 (2.4) 90 (3.6) 146 (5.7)
Average precipitation days (≥ 1 mm) 8 10 8 7 9 15 17 21 14 9 9 10

Monthly sunshine hours in Surfside Beach, South Carolina, United States §

The sunniest months in Surfside Beach are May, July and August, when the sun shines an average of 10 hours 44 minutes a day. Least sunny months in Surfside Beach: January, February and December receive an average of 6 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Surfside Beach, South Carolina, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 185 209 273 308 337 319 342 319 300 291 246 216
Mean daily daylight hours 10h 11m 10h 58m 11h 59m 13h 2m 13h 54m 14h 20m 14h 6m 13h 19m 12h 19m 11h 18m 10h 23m 9h 56m

Solar UV radiation in Surfside Beach, South Carolina, United States §

Surfside Beach experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Surfside Beach UV Index data.

Average daily maximum UV levels by month for Surfside Beach, South Carolina, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 4 7 8 10 11 11 11 11 9 8 6 4

Detailed Monthly Weather Insights for Surfside Beach, South Carolina, United States

Discover in-depth weather details for every month in Surfside Beach. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Surfside Beach's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.