Myrtle Beach weather by month & the best time to visit
United States · beach resort · humid subtropical climate
The best time to visit Myrtle Beach is April — its sunniest month (Sunshine Score 79/100), with May and October close behind. Myrtle Beach averages about 2,556 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 83 mm of rain in April.
When is the best time to visit Myrtle Beach?
For sunshine, the best time to visit Myrtle Beach is April, then May and October. The dullest month is January (41/100, 69 mm of rain). The full month-by-month picture is in the table below.
How sunny is Myrtle Beach?
Myrtle Beach gets a lot of sun: around 2,556 hours a year. April (79/100) is noticeably better than January (41). It ranks #183 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 1,450 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 41 | 14° / 57°F | 9° / 48°F | 69 mm | 3 | 10° / 50°F |
| February | 45 | 15° / 59°F | 10° / 50°F | 94 mm | 4 | 12° / 54°F |
| March | 57 | 17° / 63°F | 13° / 55°F | 95 mm | 6 | 16° / 61°F |
| April | 79 | 21° / 70°F | 16° / 61°F | 83 mm | 7 | 20° / 68°F |
| May | 74 | 24° / 75°F | 20° / 68°F | 107 mm | 8 | 25° / 77°F |
| June | 67 | 28° / 82°F | 24° / 75°F | 149 mm | 9 | 28° / 82°F |
| July | 66 | 29° / 84°F | 26° / 79°F | 176 mm | 9 | 30° / 86°F |
| August | 66 | 29° / 84°F | 26° / 79°F | 189 mm | 8 | 29° / 84°F |
| September | 66 | 27° / 81°F | 24° / 75°F | 172 mm | 7 | 27° / 81°F |
| October | 72 | 23° / 73°F | 19° / 66°F | 118 mm | 5 | 23° / 73°F |
| November | 71 | 19° / 66°F | 14° / 57°F | 92 mm | 3 | 20° / 68°F |
| December | 50 | 16° / 61°F | 11° / 52°F | 106 mm | 2 | 13° / 55°F |
Sea temperature in Myrtle Beach by month
The sea off Myrtle Beach is warmest in July at around 30°C / 86°F, and coolest in January at 10°C / 50°F. The water sits at a comfortable 21°C or warmer roughly 6 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
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Myrtle Beach: questions and answers
What kind of destination is Myrtle Beach?
Myrtle Beach is a beach resort in United States with a humid subtropical climate — the sea reaches 30°C at its warmest and is swimmable (21°C+) about 6 months a year.
How many hours of sunshine does Myrtle Beach get a year?
Myrtle Beach gets about 2,556 hours of sunshine a year, at its best around April.
When is the best time to visit Myrtle Beach?
The sunniest time to visit Myrtle Beach is April, when the Sunshine Score peaks at 79/100 (with May and October close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Myrtle Beach?
January is the least sunny month in Myrtle Beach, scoring 41/100 with about 69 mm of rain.
What is the sea temperature in Myrtle Beach?
The sea in Myrtle Beach ranges from about 10°C (January) to 30°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Myrtle Beach?
The typical midday UV index in Myrtle Beach peaks around 9 (very high) in June, easing to about 2 (low) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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