Sunshine Map

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.

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Sun hours / year
2,556
Sunniest month
April
Peak score
79/100
Rain / year
1,450 mm
Midday UV at peak
9 (very high)
Sea at warmest
30°C / 86°F
Population
31k
Elevation
6 m
Myrtle Beach, United States
Myrtle Beach — photo via Wikimedia Commons

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

January: 41February: 45March: 57April: 7979May: 74June: 67July: 66August: 66September: 66October: 72November: 71December: 50JFMAMJJASOND
MonthScoreDay highNight lowRainUVSea
January41 14° / 57°F9° / 48°F 69 mm310° / 50°F
February45 15° / 59°F10° / 50°F 94 mm412° / 54°F
March57 17° / 63°F13° / 55°F 95 mm616° / 61°F
April79 21° / 70°F16° / 61°F 83 mm720° / 68°F
May74 24° / 75°F20° / 68°F 107 mm825° / 77°F
June67 28° / 82°F24° / 75°F 149 mm928° / 82°F
July66 29° / 84°F26° / 79°F 176 mm930° / 86°F
August66 29° / 84°F26° / 79°F 189 mm829° / 84°F
September66 27° / 81°F24° / 75°F 172 mm727° / 81°F
October72 23° / 73°F19° / 66°F 118 mm523° / 73°F
November71 19° / 66°F14° / 57°F 92 mm320° / 68°F
December50 16° / 61°F11° / 52°F 106 mm213° / 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.

See Myrtle Beach on the interactive sunshine globe →

Nearby places for sunshine

Nearest destinations

Head-to-head

How Myrtle Beach compares month by month: Myrtle Beach vs Charleston · Myrtle Beach vs Fayetteville · Myrtle Beach vs Wilmington · all comparisons

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