Myrtle Beach, SC

Climate overview — based on NOAA 1991-2020 normals from MYRTLE BEACH, SC US.

Cfa Humid subtropical climate 8b USDA hardiness Zone 8b

Year-round temperatures (°F)

30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Myrtle Beach has an annual average temperature of 62.4°F with about 53.6 inches of precipitation per year. The warmest month is July (average high 87.4°F), and the coldest is January (average low 33.6°F). September is typically the wettest month (6.77 in) and November the driest (3.06 in).

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
35°F
warmest to coldest month
Heating need
2,511
Cooling need
1,569

Best time to visit Myrtle Beach

Full guide →

Climate change signal

All-time records →

70 of 366 (19.1%) of Myrtle Beach's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1980s
16
1990s
148
2000s
100
2010s
71
2020s
31

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 55.5°F 33.6°F 44.5°F 3.43 in
February 57.8°F 35.5°F 46.6°F 3.76 in
March 63.7°F 41.8°F 52.7°F 3.71 in
April 71.5°F 50.6°F 61.1°F 3.38 in
May 78.8°F 59.7°F 69.3°F 3.80 in
June 84.5°F 67.9°F 76.2°F 4.85 in
July 87.4°F 71.6°F 79.5°F 6.61 in
August 86.5°F 70.0°F 78.3°F 6.27 in
September 83.0°F 65.0°F 74.0°F 6.77 in
October 75.6°F 53.8°F 64.7°F 4.11 in
November 66.4°F 42.2°F 54.3°F 3.06 in
December 58.6°F 36.3°F 47.4°F 3.81 in

Climate twins of Myrtle Beach

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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