Wilmington vs Myrtle Beach: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 115 km apart · long-term climate normals (NASA POWER, 2001–2020)
Wilmington and Myrtle Beach are virtually tied for annual sunshine — about 2,584 vs 2,556 hours a year. Myrtle Beach has the higher Sunshine Score in 5 of 12 months, Wilmington in 2 (5 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.


At a glance
| Wilmington | Myrtle Beach | |
|---|---|---|
| Sunshine hours / year | 2,584 | 2,556 |
| Sunniest month | April (79/100) | April (79/100) |
| Nov–Feb average score | 42/100 | 52/100 |
| Jun–Aug average score | 66/100 | 66/100 |
| Rain / year | 1,401 mm | 1,450 mm |
| Warmest sea | 30°C / 86°F | 30°C / 86°F |
| Peak midday UV | 8 (very high) | 9 (very high) |
Wilmington vs Myrtle Beach month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Wilmington | Myrtle Beach | Wilmington | Myrtle Beach | Wilmington | Myrtle Beach | Wilmington | Myrtle Beach | |
| January | 27 | 41 | 12° | 14° | 73 | 69 | 12° | 10° |
| February | 38 | 45 | 14° | 15° | 97 | 94 | 12° | 12° |
| March | 64 | 57 | 18° | 17° | 92 | 95 | 15° | 16° |
| April | 79 | 79 | 23° | 21° | 84 | 83 | 18° | 20° |
| May | 73 | 74 | 28° | 24° | 113 | 107 | 24° | 25° |
| June | 70 | 67 | 31° | 28° | 134 | 149 | 27° | 28° |
| July | 60 | 66 | 33° | 29° | 150 | 176 | 30° | 30° |
| August | 67 | 66 | 32° | 29° | 175 | 189 | 28° | 29° |
| September | 67 | 66 | 28° | 27° | 161 | 172 | 26° | 27° |
| October | 72 | 72 | 24° | 23° | 119 | 118 | 23° | 23° |
| November | 63 | 71 | 18° | 19° | 99 | 92 | 20° | 20° |
| December | 38 | 50 | 14° | 16° | 104 | 106 | 13° | 13° |
The sunnier month by month: Jan Myrtle Beach · Feb Myrtle Beach · Mar Wilmington · Apr even · May even · Jun Wilmington · Jul Myrtle Beach · Aug even · Sep even · Oct even · Nov Myrtle Beach · Dec Myrtle Beach.
When to pick which
- November–February: Myrtle Beach (average score 52/100 vs 42). Daytime highs are similar (15°C vs 16°C). See the winter sun ranking.
- March–May: too close to call — Wilmington averages 72/100, Myrtle Beach 70/100. Wilmington is the warmer, around 23°C daytime highs vs 21°C.
- June–August: too close to call — Wilmington averages 66/100, Myrtle Beach 66/100. Wilmington is the warmer, around 32°C daytime highs vs 29°C.
- September–October: too close to call — Wilmington averages 70/100, Myrtle Beach 69/100. Daytime highs are similar (26°C vs 25°C).
Sea temperature
Both seas peak at 30°C / 86°F. Swimmable water (21°C+): Wilmington about 6 months a year, Myrtle Beach about 6 months a year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Wilmington weather by month · Myrtle Beach weather by month · Best time to visit United States.
More comparisons: Wilmington vs Fayetteville · Wilmington vs Richlands · Myrtle Beach vs Charleston · Myrtle Beach vs Fayetteville · all head-to-heads