Climate and monthly weather forecastNorth Myrtle Beach, SC
Climate and monthly weather forecast
The climate of North Myrtle Beach
Recognized under the Köppen climate classification as a 'Cfa' or Humid Subtropical climate, North Myrtle Beach experiences no dry season and sees humidity levels consistently between 74% and 78%. Situated in South Carolina, USA, its geographical position bestows upon it a diverse climatic pattern that offers an engaging combination of temperature, rainfall, and sunshine hours.Overall, the annual temperatures at North Myrtle Beach range between lows of 41.5°F (5.3°C) to highs of 86.7°F (30.4°C). The warmest month typically is July with a high temperature averaging at 86.7°F (30.4°C) while January is traditionally the coolest month, with the lowest temperature averaging at 41.5°F (5.3°C).
Rainfall in North Myrtle Beach exhibits perceptible fluctuations throughout the year. The driest month in terms of rainfall is January with 0.39" (10mm) of precipitation whereas August spots the highest levels of rainfall, with an average of 1.81" (46mm). Interestingly, rainfall is not confined to particular months and is scattered throughout the year, leading to a relatively wet climate. It is to note that the frequency of rain days also demonstrates a clear pattern. The least number of rain days are observed in January and December, with approximately six days, whereas August sees the highest number of rainy days, around sixteen days.
Unique weather patterns emerge in North Myrtle Beach. The annual average UV index ranges between 3 and 7, with the higher values witnessed during the summer months from June through to August. Moreover, sunlight hours vary distinctly within the year. December sees the least daylight hours averaging at 9.9 hours, while June enjoys the most daylight averaging 14.4 hours.
The best time to visit North Myrtle Beach
Given the variation in weather conditions across the year, the best time to visit North Myrtle Beach depends on individual preference. If a preference is for warm and sunny conditions, the period between June and August would be ideal. During these months, the temperatures stay within 83.8°F (28.8°C) to 86.7°F (30.4°C) and sunlight hours average between 10.9 and 11 hours. The UV index also reaches a peak during this time, further enhancing the conditions for sunbathing.The worst time to visit North Myrtle Beach
If high precipitation and a large number of rainy days are a deterrence, then August would be the least desirable month to visit North Myrtle Beach. This month records the highest rainfall measurements of 1.81" (46mm) and the highest frequency of rainfall days, up to 16 days. Thus, it might limit outdoor activities.Spring weather in North Myrtle Beach
Spring in North Myrtle Beach falls between March and May with temperatures steadily increasing over these months from 62.2°F (16.8°C) to 77.5°F (25.3°C). Rainfall also sees a significant increase, from 0.51" (13mm) in March to 0.87" (22mm) in May, along with an increase in rainfall days during this season. Sunshine hours notably rise as well, marking the onset of brighter days.Summer weather in North Myrtle Beach
Summer in North Myrtle Beach, stretches from June to August, marks the warmest period with temperatures climbing from 83.8°F (28.8°C) to 86.7°F (30.4°C). Despite the rise in humidity levels, this season offers the longest daylight hours from 14.1 hours to 14.4 hours, presenting ample opportunities to enjoy the beach and outdoor activities.Autumn weather in North Myrtle Beach
Autumn in North Myrtle Beach comes with temperatures curving downwards from 81.7°F (27.6°C) in September to 63.7°F (17.6°C) in November. Rainfall and humidity show a drop as well, while daylight hours start decreasing as well, signalling the approaching winter.Winter weather in North Myrtle Beach
Winter months in North Myrtle Beach are from December to February. Even though it is the coldest part of the year, the temperatures hover comfortably between 54.1°F (12.3°C) in December to 57.4°F (14.1°C) in February. Winter also notes the lowest rainfall volumes, making it comparatively drier than other seasons. However, daylight hours reduce considerably, with December recording an average of 9.9 hours of daylight.Weather in January
North Myrtle Beach, South Carolina experiences relatively cold conditions in January. The chill in the air is accompanied by a cloud cover of 36%, facilitating heat retention during the cold spell. January's weather eases in, following the much cooler December and heralds an uptick in temperatures moving forward into February. Weather in January »Weather in February
In February, the cool trends persist, although the overall conditions become slightly milder compared to January. An increase in the daylight hours from 10.2 hours in January to 11 hours hints at the transition towards warmer months. Weather in February »Weather in March
The weather in March lays a stepping stone towards the spring climate. Comparatively, the average temperatures rise, placing March in a warmer bracket to its predecessor, February. The noticeably extended daylight hours signal the wake of spring, providing ample time for outdoor activities. Weather in March »Weather in April
April’s weather in North Myrtle Beach, South Carolina, is a delightful blend of pleasant temperatures and the promising glow of spring. Standing on the bridge between the end of spring and the oncoming summer, it brings a perfect balance of warmth and cool. Weather in April »Weather in May
In May, North Myrtle Beach, South Carolina, transitions firmly into summer, with temperatures soaring and increased hours of sunshine. The embrace of warmth is a stark contrast from the cool months of early spring and signals the oncoming peak summer months. Weather in May »Weather in June
June comes bearing the full brunt of summer in North Myrtle Beach, as gentle spring recedes. With the city firmly in the clutches of summer, it becomes a beacon for those looking to enjoy the sun, sea, and surf. Peak temperatures can climb up to a sizzling 83.8°F (28.8°C), flaunting the city's warmest weather. Weather in June »Weather in July
North Myrtle Beach in July experiences the peak of the summer season. The hot temperatures from June spill over into July, marking it as the warmest month of the year. An important trait of July is the increased precipitation, lending a sense of unpredictable excitement to the summer heat. Weather in July »Weather in August
August represents the closing stages of summer, with relatively high temperatures and rainfall. Despite slight drops, the temperatures boldly sustain the summer heat, shedding only a fraction of degrees from July. Signs of changing seasons start to appear with a minor decline in the hours of sunshine. Weather in August »Weather in September
September ushers in a mellowing weather as it marks the onset of fall in North Myrtle Beach. The transition from the peak summer highs in August to milder temperatures characterizes the arrival of the fall season. The shift in season conveys fleeting sensations of summer while blending them with the allure of upcoming freshness. Weather in September »Weather in October
October experiences a further dip in temperatures, affirming the progression into the cooler months. The weather prepares to transition out of the warm spell of September into the chilly embrace of November. A notable feature is the shortening of daylight hours, a clear sign of the retreat of summer. Weather in October »Weather in November
November in North Myrtle Beach sees a marked drop in temperatures, a significant shift from the warmer October. North Myrtle Beach holds onto the mild fall weather while preparing to transition into the cold December phase. The shorter daylight hours pair with cooler winds to weave the perfect atmosphere for cozy indoor activities. Weather in November »Weather in December
In December, North Myrtle Beach dons a complete winter cloak, with temperatures dropping further from November. The month revels in its wintry charm, delighting residents and visitors with the promise of holiday cheer. Despite being the coldest month in the city, December's weather often flutters between chilly and mildly cold. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
North Myrtle Beach, SC
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (54.1°F).
The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure
North Myrtle Beach, SC
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
North Myrtle Beach, SC
- Average wind speed in January:
9.6mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10mph - Average wind speed in April:
10.3mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
8.9mph - Average wind speed in August:
7.8mph - Average wind speed in September:
8.8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
9.2mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity
North Myrtle Beach, SC
The months with the highest relative humidity are May, June, August and December (78%).
The month with the lowest relative humidity is January (74%).
Average rainfall
North Myrtle Beach, SC
- Average rainfall in January:
0.39" - Average rainfall in February:
0.51" - Average rainfall in March:
0.51" - Average rainfall in April:
0.91" - Average rainfall in May:
0.87" - Average rainfall in June:
1.1"
- Average rainfall in July:
1.14" - Average rainfall in August:
1.81" - Average rainfall in September:
1.02" - Average rainfall in October:
0.67" - Average rainfall in November:
0.79" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is August (1.81").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days
North Myrtle Beach, SC
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
6.5 days - Average rainfall days in March:
8.9 days - Average rainfall days in April:
8.6 days - Average rainfall days in May:
10.3 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
14.2 days - Average rainfall days in August:
16 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
7.2 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
7.6 days
The month with the highest number of rainy days is August (16 days).
The month with the least rainy days is January (6.3 days).
Average snowfall days
North Myrtle Beach, SC
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
North Myrtle Beach, SC
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
5h and 36min - Average sunshine in February:
6h and 12min - Average sunshine in March:
7h and 36min - Average sunshine in April:
9h and 54min - Average sunshine in May:
10h and 18min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 48min - Average sunshine in September:
9h and 36min - Average sunshine in October:
6h and 24min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days
North Myrtle Beach, SC
- Average sunshine days in January:
21.5 days - Average sunshine days in February:
19 days - Average sunshine days in March:
20.2 days - Average sunshine days in April:
17.7 days - Average sunshine days in May:
16.9 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
14 days - Average sunshine days in October:
21 days - Average sunshine days in November:
21 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is August (10.8 days).
Average UV index
North Myrtle Beach, SC
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover
North Myrtle Beach, SC
The month with the most cloud cover is December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility
North Myrtle Beach, SC
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





