January Weather in Myrtle Beach, United States

Last updated: February 24, 2025

January in Myrtle Beach, United States, offers a mix of mild temperatures and occasional chill, with maximums peaking at 25°C (77°F) and dipping to a brisk -9°C (15°F) at night. On average, the temperature settles around 10°C (50°F), providing a refreshing winter escape. Rainfall is relatively moderate, with 66 mm (2.6 in) distributed over 8 days, resulting in a humidity level of 83%, which can enhance the coastal atmosphere. Visitors can enjoy a serene seaside experience, making it an ideal time for those looking to avoid the summer crowds while still enjoying the beauty of Myrtle Beach.

January Temperature in Myrtle Beach

In January, Myrtle Beach experiences a varied temperature range that sets the tone for the winter months. With temperatures dipping as low as -9°C (15°F) at night, the chilly start is complemented by a mild average of 10°C (50°F) during the day, reaching up to a pleasant 25°C (77°F) at its peak. This contrast reflects a transitional climate, where winter's grasp gradually loosens. As the month progresses into February and March, a subtle warming trend begins to emerge, with average temperatures inching towards 12°C (54°F) and 14°C (58°F), respectively. Overall, January serves as a gateway to the warmer months ahead, offering visitors a unique blend of winter coolness and glimpses of spring warmth that invite exploration along the beautiful coastline of Myrtle Beach.

January Weather in Myrtle Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Myrtle Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec495457657378818077705752
Data source: Temperature data for Myrtle Beach generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Myrtle Beach

In January, Myrtle Beach experiences a relatively mild start to the year, with 66 mm (2.6 inches) of precipitation spread over 8 days. This sets the stage for the increasing rainfall trends as winter transitions into spring. By February, precipitation rises to 87 mm (3.4 inches), hinting at the wetter months to come. As we move into the spring, rainfall amounts fluctuate slightly, peaking in April at 94 mm (3.7 inches), before making a notable climb through the summer months. The growing trend culminates in August, where Myrtle Beach sees its highest precipitation at 212 mm (8.4 inches), marking the peak of the rainy season. Interestingly, October wraps up the year with a notable drop, showcasing a return to drier conditions as the region moves into fall, ending the month with just 61 mm (2.4 inches) over 8 days. This seasonal rhythm highlights how the coastal climate influences both the quantity and frequency of rain throughout the year.

January Precipitation Trends in Myrtle Beach

The chart displays monthly precipitation patterns in Myrtle Beach, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec668771941221571792131786186130
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Myrtle Beach

In Myrtle Beach, January brings a notable humidity level of 83%, setting the stage for a year characterized by consistently high moisture. This month marks the peak of winter humidity, which gradually transitions into a slight decrease in February and March, where levels drop to 79%. As spring unfolds, humidity stabilizes around 78% from April through June, creating comfortable conditions. However, the summer months see a resurgence, with July and August bringing humidity back up to 82% and 81%, respectively. Interestingly, a similar trend appears in the late fall, with November nudging back up to 82%. As the year concludes, December peaks at 84%, creating a notable cycle of humidity variations that define the coastal charm of Myrtle Beach throughout the year.

January Average Humidity in Myrtle Beach

This chart illustrates the average monthly humidity levels in Myrtle Beach, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%79%78%78%78%82%81%81%78%82%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Myrtle Beach

In Myrtle Beach, the UV Index starts at a moderate level of 4 in January, indicating a burn time of approximately 30 minutes. As winter transitions into spring, the index rises steadily, with February experiencing a high UV Index of 7 and a reduced burn time of 25 minutes. The trend becomes more pronounced in March, where the index jumps to a very high 8, and by April, it reaches a peak of 10. This escalation continues into the summer months, peaking at an extreme 11 from May through August, where burn times drop to just 10 minutes. As summer wanes and fall approaches, the UV Index begins to descend, descending to 9 in September and tapering off to a 6 in November before returning to 4 in December. As you plan your outdoor activities, it's essential to stay informed about the UV Index to protect your skin—check out the detailed ratings here: Myrtle Beach UV Index.

Maximum UV Index Levels in Myrtle Beach for January

The chart shows the monthly maximum UV Index (UVI) for Myrtle Beach in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Myrtle Beach January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Myrtle Beach

January in Myrtle Beach marks the beginning of the year with 186 hours of sunshine, setting a subtle stage for the months to come. As the winter chill fades, February brings a delightful increase to 210 hours, hinting at the approaching warmth. The trend continues into March, where the sun shines for an impressive 273 hours, inviting outdoor enthusiasts to enjoy the blossoming spring. The sunshine reaches its peak in the summer months, with July basking in 343 hours, showcasing Myrtle Beach as a vibrant destination for sun-seekers. Even as the seasons transition into fall, the sun remains generous, offering an average of 301 hours in September before gently tapering off through November and December. With an overall upward trajectory from the depths of winter into the bright summer, Myrtle Beach promises a radiant escape for sun lovers year-round.

Monthly Sunshine Duration in Myrtle Beach: January Highlighted

The January sunshine duration represents the total number of hours Myrtle Beach experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec186h210h273h309h337h319h343h320h301h292h247h216h
Data source: Myrtle Beach January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Myrtle Beach During January

In Myrtle Beach, January offers a 47% likelihood of sunny weather, making it a promising start to the year. This chance is slightly higher than February's 37%, but notably lower than the 59% anticipated in April. As the seasons transition, the trend suggests that sunshine becomes more frequent, peaking in November at 62% before descending again in the summer months of June and July, where the odds dip to 31% and 39% respectively. With a good balance of sunny days and milder temperatures, January serves as a delightful winter haven, especially for those seeking a respite from harsher climates.

Percentage of Sunny Days in January in Myrtle Beach

The chart illustrates the percentage of sunny days in Myrtle Beach throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Myrtle Beach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%37%37%59%49%32%39%35%53%47%62%47%
Data source: Myrtle Beach January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Myrtle Beach in January

In Myrtle Beach, January sets the stage for a gradual awakening as daylight stretches to 10 hours. This duration remains constant through February, allowing residents and visitors alike to savor crisp winter days. As spring approaches, daylight begins to bloom, with March enjoying 11 hours, leading to April and May where sunlight flourishes with 13 hours each. The heights of summer in June and July grant the beach a generous 14 hours of daylight, perfect for sun-soaked adventures. As we transition into early autumn, daylight begins to wane slightly, with 13 hours in August and tapering down to 12 hours in September. October and November welcome shorter days at 11 and 10 hours, respectively, while December closes the year with 9 hours, beckoning the cozy, darker days of winter. This natural rhythm of daylight fosters a vibrant atmosphere, inviting both relaxation and exploration throughout the year.

Average Daylight Hours in Myrtle Beach for January

The chart illustrates the variation in daylight duration in Myrtle Beach throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 10m10h 58m11h 59m13h 2m13h 55m14h 21m14h 7m13h 20m12h 20m11h 17m10h 23m9h 55m
Data source: Myrtle Beach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Myrtle Beach

In Myrtle Beach, the January winds average a gentle 3.6 m/s (8 mph), setting a tranquil tone for the month. As winter fades, the breeze picks up slightly in February and March, reaching a brisk 3.9 m/s (9 mph), making it perfect for strolls along the shore. This uptick aligns with the arrival of spring, as April and November maintain the wind speed around 3.7 m/s (8 mph), while late summer brings a noticeable dip, especially in August, where winds fall to a calm 2.5 m/s (6 mph). Interestingly, the trend shows a gradual decline from June to July, hinting at the sultry summer days that define the region. By the year's end, the winds pick up again, hinting at the seasonal shifts ahead. Overall, the wind patterns in Myrtle Beach reflect a balance of refreshing breeziness and soothing calm, inviting residents and visitors alike to enjoy the varying coastal vibes throughout the year.

Average January Wind Speed in Myrtle Beach

The chart displays monthly wind speed patterns in Myrtle Beach, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.6 m/s3.73.93.73.53.43.02.52.83.23.63.4
Data source: Myrtle Beach January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Myrtle Beach Compares to Other Months

The weather in Myrtle Beach changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Myrtle Beach and find detailed weather information for every month.

January and February in Myrtle Beach exhibit similar overall weather trends, but there are notable differences. In January, temperatures can drop to a minimum of -9°C (15°F), with an average around 10°C (50°F) and a maximum of 25°C (77°F). January also sees about 66 mm (2.6 in) of precipitation over approximately 8 days, and humidity levels are relatively high at 83%. In contrast, February offers slightly milder weather, with minimum temperatures around -3°C (27°F), an average of 12°C (54°F), and a maximum of 26°C (79°F). Precipitation increases to 87 mm (3.4 in) over 9 days, and humidity decreases slightly to 79%. For more detailed insights, check out Myrtle Beach weather in February.

In comparing the weather between January and March, we see a marked shift towards milder conditions. January experiences cooler temperatures, with a minimum of -9°C (15°F) and an average of 10°C (50°F), whereas March shows a noticeable warming trend, with a minimum of -3°C (27°F) and an average of 14°C (58°F). Both months have similar levels of precipitation, around 66 mm (2.6 in) in January and 71 mm (2.8 in) in March, with each month seeing precipitation on about 8 days. However, March tends to be slightly less humid at 79% compared to January's 83%. For more detailed insights into March conditions, check Myrtle Beach weather in March.

When comparing the weather in January and April, there is a noticeable shift in temperatures and conditions. January experiences much colder temperatures, with a minimum of -9°C (15°F) and an average of 10°C (50°F), while April sees a milder minimum of 2°C (35°F) and a warmer average of 18°C (65°F). Additionally, the maximum temperatures rise significantly in April, reaching up to 29°C (85°F) compared to January's maximum of 25°C (77°F). Precipitation is slightly higher in April at 94 mm (3.7 in) compared to January's 66 mm (2.6 in), though both months experience precipitation on about 8 days. Humidity levels are also slightly lower in April at 78%, compared to January's 83%. For a more detailed look at weather conditions in April, you can visit Myrtle Beach weather in April.

In January, the weather is much colder, with temperatures ranging from a minimum of -9°C (15°F) to a maximum of 25°C (77°F), alongside an average temperature of 10°C (50°F). The month sees about 66 mm (2.6 in) of precipitation over approximately 8 days, with humidity levels high at 83%. In contrast, May brings significantly warmer conditions, with temperatures ranging from a minimum of 9°C (48°F) to a scorching maximum of 36°C (97°F) and an average of 23°C (73°F). Precipitation increases to 122 mm (4.8 in) over around 10 days, and humidity is slightly lower at 78%. For more details on the pleasant climate you can expect, check out Myrtle Beach weather in May.

January and June present stark contrasts in weather conditions. In January, temperatures can dip as low as -9°C (15°F), with an average temperature of just 10°C (50°F) and a maximum of 25°C (77°F). The month sees 66 mm (2.6 in) of precipitation over about 8 days, coupled with relatively high humidity at 83%. In contrast, June enjoys much warmer weather, with minimum temperatures starting at 14°C (57°F), averaging 25°C (78°F), and peaking at 34°C (94°F). Precipitation during this month is significantly greater at 156 mm (6.2 in), occurring over 17 days, while humidity remains slightly lower at 78%. For more detailed insights, you can check out the specific conditions for Myrtle Beach weather in June.

January and July present striking contrasts in weather. In January, temperatures can dip to a chilly minimum of -9°C (15°F) but average around 10°C (50°F), with a peak of 25°C (77°F). Precipitation is relatively low, with about 66 mm (2.6 in) falling over 8 days, accompanied by a high humidity of 83%. In contrast, July features much warmer conditions, with minimum temperatures around 18°C (65°F) and averages reaching 27°C (81°F), peaking at a scorching 34°C (93°F). The month is significantly wetter, with 179 mm (7.0 in) of rain occurring over 18 days, while humidity remains fairly consistent at 82%. For more details on July weather specifics, you can check Myrtle Beach weather in July.

When comparing the weather in January and August, the difference is quite stark. January experiences much cooler temperatures, with lows reaching -9°C (15°F) and an average of 10°C (50°F), while August boasts milder conditions with a minimum temperature of 19°C (66°F) and an average of 27°C (80°F). Additionally, August is significantly wetter, receiving 212 mm (8.4 in) of precipitation over 22 days, in contrast to January's 66 mm (2.6 in) across just 8 days. Humidity levels are fairly similar, with January at 83% and August slightly lower at 81%. For more details, you can check out the complete information on Myrtle Beach weather in August.

In January, the weather is significantly colder, with temperatures ranging from a minimum of -9°C (15°F) to a maximum of 25°C (77°F) and an average temperature of around 10°C (50°F). The month experiences about 66 mm (2.6 in) of precipitation over 8 days, coupled with higher humidity levels at 83%. In contrast, September boasts much warmer temperatures, with a minimum of 12°C (54°F), an average of 25°C (77°F), and a peak temperature reaching 34°C (93°F). Though it is also wetter, with precipitation of 178 mm (7.0 in) over 12 days, the humidity remains quite similar at 81%. For more detailed insights into September's climate, check out Myrtle Beach weather in September.

January and October present strikingly different weather patterns. In January, temperatures can plummet as low as -9°C (15°F), with an average of 10°C (50°F) and a maximum reaching 25°C (77°F). The month experiences higher humidity at 83% and sees about 66 mm (2.6 in) of precipitation over eight days. In contrast, October enjoys milder conditions, with minimum temperatures around 4°C (40°F) and an average reaching 21°C (70°F), peaking at 33°C (92°F). Although October has slightly less precipitation at 61 mm (2.4 in), the humidity is lower at 78%. For more details on October weather specifics, you can visit Myrtle Beach weather in October.

In comparing the weather between January and November, January tends to be colder, with temperatures ranging from a minimum of -9°C (15°F) to a maximum of 25°C (77°F), while November sees milder temperatures, with a minimum of 0°C (32°F) and a maximum of 27°C (82°F). Precipitation levels are slightly higher in November, totaling 86 mm (3.4 in) over 10 days, compared to January's 66 mm (2.6 in) over 8 days. Humidity levels are quite similar, hovering around 83% in January and slightly lower at 82% in November. For a more detailed look at the weather during this time, you can check Myrtle Beach weather in November.

In comparing the weather of January and December, January tends to be colder overall, with average temperatures ranging from a minimum of -9°C (15°F) to a maximum of 25°C (77°F). In contrast, December features slightly milder temperatures, with a minimum of -4°C (25°F) and a maximum of 24°C (76°F). Precipitation is notably higher in December, totaling 130 mm (5.1 in) over 9 days, compared to January's 66 mm (2.6 in) over 8 days. Humidity levels are similar, standing at 83% in January and 84% in December. For a more detailed perspective, check out this link: Myrtle Beach weather in December.

Compare Myrtle Beach's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Myrtle Beach

In January, Myrtle Beach experiences a unique blend of winter chill and mild coastal temperatures, contrasting sharply with the warmer months. This time of year brings a refreshing coolness, with average temperatures hovering around a brisk 10°C (50°F), making it much colder than the sunnier summer days. While the precipitation is relatively low, January may still see about 8 days of rainfall, contributing to the elevated humidity levels of 83%. This combination of factors creates a perfect environment for those looking to enjoy peaceful beach walks without the crowds. For more detailed insights into the climate nuances throughout the year, check out Myrtle Beach Climate.