Myrtle Beach Climate by Month
Myrtle Beach, South Carolina, United States
Hot summers and cool winters, with rain spread through the year.
Myrtle Beach has hot summers and cool winters, with rain spread through the year. July is the warmest month, with highs around 90°F (32°C); January is the coolest at 57°F (14°C), and nights dip to 37°F (3°C). About 55 in (1406 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 90°F(32°C)
- Average high, July
- Coldest nights
- 37°F(3°C)
- Average low, January
- Rain per year
- 55 in(1406 mm)
- No clear rainy season
- Humidity
- 72%
- Sunniest: May
Best and worst months in Myrtle Beach
Best for weatherThe most comfortable weather comes in April and October, with highs around 76°F (24°C) and about 3.5 in (89 mm) of rain a month.
Least pleasantJuly and August are the least pleasant; August is the wettest, with 7.4 in (188 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in April.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Myrtle Beach weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 57°F(14°C) | 37°F(3°C) | 3.7 in(94 mm) | 72% | 2.6 |
| FebFebruary | 61°F(16°C) | 40°F(4°C) | 3.3 in(85 mm) | 65% | 3.2 |
| MarMarch | 67°F(20°C) | 46°F(8°C) | 3.8 in(97 mm) | 64% | 4.4 |
| AprAprilBest | 75°F(24°C) | 54°F(12°C) | 3.4 in(87 mm) | 68% | 5.5 |
| MayMay | 82°F(28°C) | 62°F(17°C) | 4.2 in(107 mm) | 71% | 6.1 |
| JunJune | 87°F(31°C) | 70°F(21°C) | 5.6 in(142 mm) | 75% | 5.9 |
| JulJuly | 90°F(32°C) | 73°F(23°C) | 6.7 in(171 mm) | 74% | 5.9 |
| AugAugust | 89°F(31°C) | 72°F(22°C) | 7.4 in(188 mm) | 77% | 5.4 |
| SepSeptember | 85°F(29°C) | 67°F(19°C) | 6.6 in(168 mm) | 76% | 4.5 |
| OctOctoberBest | 77°F(25°C) | 56°F(13°C) | 3.5 in(90 mm) | 72% | 3.7 |
| NovNovember | 68°F(20°C) | 46°F(8°C) | 3.2 in(82 mm) | 70% | 2.9 |
| DecDecember | 60°F(16°C) | 39°F(4°C) | 3.7 in(95 mm) | 74% | 2.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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