December Weather in Folly Beach, United States

Last updated: February 24, 2025

Experience the unique charm of Folly Beach in December, where temperatures range from a maximum of 25°C (77°F) to a minimum of -3°C (28°F), providing a refreshing coastal getaway. With an average temperature of 12°C (54°F), the month is characterized by a humidity level of 87%, contributing to a crisp yet pleasant atmosphere. Expect about 127 mm (5.0 in) of rainfall spread over 9 days, ensuring a vibrant and lush landscape for locals and visitors alike. December on Folly Beach offers a mix of cool beach breezes and cozy indoor moments, making it an enchanting time to explore this seaside gem.

December Temperature in Folly Beach

In Folly Beach, December marks the onset of cooler temperatures as the year draws to a close. With minimums dipping to -3°C (28°F), the air becomes brisk, contrasting sharply with the mild climate of previous months. The average temperature sits at a comfortable 12°C (54°F), making it a refreshing time for outdoor activities without the sweltering heat of summer. Highs can reach up to 25°C (77°F), offering pleasant afternoons, ideal for beach strolls under the winter sun. As the weather transitions, December embodies a gentle shift, signaling the shift from the vibrant warmth of autumn to the cooler embrace of winter in this charming coastal town.

December Weather in Folly Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Folly Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec525760667479828178725954
Data source: Temperature data for Folly 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.

December Precipitation in Folly Beach

In Folly Beach, December marks a notable increase in precipitation, with an average of 127 mm (5.0 in) of rainfall over approximately 9 days. This uptick reflects a shift towards the wetter months, as the fall season transitions into winter. Interestingly, December’s precipitation is significantly higher than the preceding months, particularly compared to October and November, which recorded 79 mm (3.1 in) and 92 mm (3.6 in) respectively. This trend indicates a late surge of moisture as the year closes, contributing to Folly Beach's milder winter climate. Although December doesn't match the peak summer months like July and June, which see over 180 mm, the rain during this month plays a crucial role in replenishing local ecosystems ahead of the drier months that follow.

December Precipitation Trends in Folly Beach

The chart displays monthly precipitation patterns in Folly Beach, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec597860101871501871831767993127
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Folly Beach

As December rolls in at Folly Beach, humidity levels reach their peak at 87%, marking the month as one of the year’s most moisture-laden periods. This increase comes on the heels of a relatively humid November at 85%. Throughout the year, humidity tends to fluctuate, starting off high in January at 86% before gradually dipping in the spring months, with April recording 79%. Interestingly, summer brings a slight resurgence as humidity levels stabilize around 75-81%, particularly in July and August. Throughout September and October, humidity experiences a modest climb before peaking in December, echoing a trend where the latter part of the year showcases increasingly humid conditions. As the year wraps up, Folly Beach exemplifies a climate where December's heavy moisture adds to the coastal charm, inviting cozy, festive moments by the sea.

December Average Humidity in Folly Beach

This chart illustrates the average monthly humidity levels in Folly Beach, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%81%81%79%75%75%80%81%83%78%85%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Folly Beach

In December, Folly Beach experiences a moderate UV Index of 4, with a burn time of 30 minutes. This marks a notable decline from the peak levels seen in the summer months, where the UV Index soared to an extreme 11 from May through August. As the year winds down, the UV exposure diminishes significantly, transitioning from the very high indices of early fall. With its more manageable UV levels, December offers a safer environment for outdoor activities, making it an ideal time for sun-sensitive visitors. For detailed insights on UV levels throughout the year, check out Folly Beach UV Index.

Maximum UV Index Levels in Folly Beach for December

The chart shows the monthly maximum UV Index (UVI) for Folly Beach in December, 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.
JanFebMarAprMayJunJulAugSepOctNovDec47910111111119864
Data source: Folly Beach December 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.

December Sunshine in Folly Beach

In Folly Beach, December welcomes a gentle decline in sunshine hours, bringing in 217 hours of radiance as the year draws to a close. This month showcases a beautiful transition from the sun-soaked summer months, where July boasts an impressive 341 hours, towards the cooler, shorter days of winter. Despite December's reduced daylight, it still offers a bright escape compared to the dreary winter months elsewhere. The sunshine here lingers delightfully longer than in the early months of the year, with January's mere 186 hours. As such, December acts as a perfect bridge, offering a hint of warmth and light amidst the seasonal chill, inviting both locals and visitors to relish the scenic beauty of the beach during the holiday season.

Monthly Sunshine Duration in Folly Beach: December Highlighted

The December sunshine duration represents the total number of hours Folly Beach experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec186h213h275h306h336h316h341h314h300h288h247h217h
Data source: Folly Beach December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Folly Beach During December

In Folly Beach, December presents a moderate chance of sunny weather, with approximately 45% of days likely to be bright and cheerful. This figure reflects a mild dip from November's 62%, which typically boasts the highest likelihood of sun. As the year progresses, the chances of sunshine fluctuate, peaking in April at 56%, before gradually declining through the summer months, with June, July, and August experiencing notably lower probabilities of sunny days. December's forecast indicates a return to a more balanced expectation of sunshine, reminiscent of the winter months, making it an appealing time for those seeking milder conditions amid the holiday season.

Percentage of Sunny Days in December in Folly Beach

The chart illustrates the percentage of sunny days in Folly Beach throughout the year, with December 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 Folly Beach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%39%38%56%52%29%34%30%51%50%62%45%
Data source: Folly Beach December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Folly Beach in December

In Folly Beach, December marks a return to shorter days, mirroring the daylight duration of January with only 10 hours of sunlight. As the year progresses, the region enjoys a gradual increase in daylight from the 11 hours in February and March, peaking at an impressive 14 hours during the summer months of June and July. Following this vibrant season, daylight begins to wane again, with hours gradually decreasing to 13 hours in August, then tapering off to 12 hours in September and 10 hours by November. This rhythmic pattern highlights the seasonal ebb and flow of daylight, offering a reminder of nature's cycle as the festive spirit of the holiday season approaches in December.

Average Daylight Hours in Folly Beach for December

The chart illustrates the variation in daylight duration in Folly Beach throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 14m11h11h 59m13h13h 51m14h 16m14h 2m13h 17m12h 19m11h 19m10h 26m10h
Data source: Folly Beach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Folly Beach

As December settles over Folly Beach, the winds begin to calm, averaging 3.5 m/s (8 mph)—a slight dip from the earlier autumn breezes. While the winds maintain a gentle presence, they reflect a broader trend observed throughout the year, where spring months typically boast the strongest gusts, hovering around 4.0 m/s (9 mph). The summer months yield a noticeable drop, with July and August reaching their calmest points at 3.2 m/s (7 mph) and 2.8 m/s (6 mph), respectively. As the year culminates in winter, the winds soften further, creating a serene atmosphere that enhances the idyllic charm of Folly Beach during this cozy month. The gradual shift in wind patterns highlights the unique coastal climate, making December a delightful pause in the rhythm of seasonal change.

Average December Wind Speed in Folly Beach

The chart displays monthly wind speed patterns in Folly Beach, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.93.84.03.94.03.73.22.82.93.23.63.5 m/s
Data source: Folly Beach December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Folly Beach Compares to Other Months

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

In December, temperatures range from a chilly minimum of -3°C (28°F) to a comfortable maximum of 25°C (77°F), with an average of 12°C (54°F). The month experiences considerable precipitation, totaling 127 mm (5.0 in) over approximately 9 days, and the humidity is relatively high at 87%.

Conversely, January sees a drop in minimum temperatures to -13°C (9°F), while the maximum only slightly increases to 26°C (79°F), resulting in an average of 11°C (52°F). Precipitation significantly decreases to 59 mm (2.3 in) across about 7 days, maintaining a similar humidity level of 86%. This shift highlights a colder start to the year, particularly in minimum temperatures. For more detailed insights, check out Folly Beach weather in January.

When comparing the weather between December and February, December tends to be slightly cooler, with average temperatures ranging from a minimum of -3°C (28°F) to a maximum of 25°C (77°F). In contrast, February shows a marginal increase in temperatures, with minimums around -2°C (29°F) and maximums reaching up to 26°C (79°F). Precipitation levels are also higher in December, totaling 127 mm (5.0 in), compared to February's 78 mm (3.1 in). Additionally, December experiences higher humidity at 87%, whereas February's humidity is slightly lower at 81%. For more detailed insights on February weather, you can check Folly Beach weather in February.

In December, temperatures range from a chilly min of -3°C (28°F) to a comfortable max of 25°C (77°F), with an average of around 12°C (54°F). The month is characterized by high humidity at 87% and receives 127 mm (5.0 in) of precipitation over about 9 days. In contrast, March shows a slight improvement in temperatures, with a minimum of -1°C (30°F) and a maximum of 28°C (82°F), averaging 15°C (60°F). Precipitation decreases significantly to 60 mm (2.4 in) and occurs over about 6 days, while humidity drops to 81%. For more details on March's weather patterns, visit Folly Beach weather in March.

December and April exhibit significant contrasts in weather. In December, temperatures range from a chilly minimum of -3°C (28°F) to a mild average of 12°C (54°F), reaching a maximum of 25°C (77°F). The month sees considerable rainfall, totaling 127 mm (5.0 in) over approximately 9 days, accompanied by high humidity at 87%. In contrast, April offers a more temperate climate with minimum temperatures around 4°C (39°F) and an average of 19°C (66°F), soaring up to a maximum of 31°C (89°F). Rainfall decreases to 101 mm (4.0 in) over about 8 days, and humidity also dips to 79%. For a detailed look at how the weather evolves in April, check out Folly Beach weather in April.

In December, the weather tends to be much cooler, with temperatures ranging from a minimum of -3°C (28°F) to a maximum of 25°C (77°F), and an average of 12°C (54°F). This month also experiences higher humidity at 87% and more precipitation, totaling 127 mm (5.0 in) over about 9 days. In stark contrast, May brings warmer temperatures, with a minimum of 9°C (49°F) and a maximum reaching 37°C (98°F), averaging 23°C (74°F). Precipitation decreases to 87 mm (3.4 in) over the same number of days, and humidity drops to 75%, creating a more comfortable atmosphere. For more details on the pleasant weather in May, you can check out Folly Beach weather in May.

December and June present striking contrasts in weather conditions. In December, temperatures range from a chilly minimum of -3°C (28°F) to a comfortable average of 12°C (54°F), with highs reaching up to 25°C (77°F). The month experiences notable precipitation, totaling 127 mm (5.0 in) over 9 days, coupled with high humidity at 87%. In contrast, June showcases a much warmer climate, with minimum temperatures starting at 16°C (61°F) and averaging 26°C (79°F), peaking at a sweltering 35°C (95°F). Although June sees slightly higher precipitation at 150 mm (5.9 in) over 19 days, the humidity is more manageable at 75%. For more details on June weather, you can visit Folly Beach weather in June.

December and July exhibit contrasting weather characteristics. In December, temperatures can dip as low as -3°C (28°F), with an average temperature of around 12°C (54°F) and highs reaching 25°C (77°F). With 127 mm (5.0 in) of precipitation over 9 days and high humidity at 87%, December tends to feel quite damp and cool. In sharp contrast, July boasts much warmer conditions, with minimum temperatures starting at 20°C (69°F), an average of 28°C (82°F), and maximums soaring to 34°C (94°F). July also sees increased rainfall, totaling 187 mm (7.4 in) over 20 days, though the humidity remains slightly lower at 80%. For more details on July weather specifically, you can check Folly Beach weather in July.

When comparing the weather in December and August, it's clear that the two months offer distinctly different climates. December experiences cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 25°C (77°F), while the average temperature hovers around 12°C (54°F). In contrast, August brings warmth, showcasing a minimum of 21°C (70°F) and a maximum of 35°C (95°F), with an average temperature of 27°C (81°F). Additionally, December faces 127 mm (5.0 in) of precipitation over approximately 9 days, while August sees more rainfall at 183 mm (7.2 in) over about 21 days, although its humidity is slightly lower at 81%. For more specific insights on weather patterns during August, you can explore Folly Beach weather in August.

In comparing the weather between December and September, a clear contrast emerges. December experiences cooler temperatures, ranging from a minimum of -3°C (28°F) to a pleasant average of 12°C (54°F) and can peak at 25°C (77°F). With 127 mm (5.0 in) of precipitation over about 9 days, it is characterized by higher humidity at 87%. On the other hand, September offers a much warmer climate, with temperatures starting at a minimum of 14°C (57°F) and averaging 26°C (78°F), reaching highs of 35°C (94°F). September is also wetter, witnessing 176 mm (6.9 in) of precipitation across 14 days, accompanied by slightly lower humidity at 83%. For more details on September's conditions, visit Folly Beach weather in September.

When comparing the weather in December and October, a marked difference in temperatures and conditions becomes apparent. December often sees cooler temperatures, with a minimum of -3°C (28°F) and an average of 12°C (54°F), while October remains milder, featuring a minimum of 3°C (38°F) and an average of 22°C (72°F). The maximum temperatures in October reach up to 31°C (89°F), significantly higher than December's peak of 25°C (77°F). Additionally, December experiences more precipitation, with 127 mm (5.0 in) over 9 days, compared to October's 79 mm (3.1 in) across the same number of days. Humidity levels are also higher in December at 87%, in contrast to October's 78%. To explore more about October weather specifics, you can visit Folly Beach weather in October.

Comparing the weather between November and December, we see a noticeable shift in temperatures and precipitation. In December, the minimum temperature drops to -3°C (28°F), while November maintains a slightly warmer minimum of -1°C (31°F). The average temperature also decreases from 15°C (59°F) in November to 12°C (54°F) in December. While both months experience mild maximum temperatures, December's average peak is 25°C (77°F), compared to November's higher 28°C (84°F). Additionally, December sees more precipitation with 127 mm (5.0 in) over 9 days, compared to November's 92 mm (3.6 in) over 8 days. Despite the increase in rainfall, the humidity is slightly higher in December at 87%, compared to November's 85%. For more details on November weather, you can check Folly Beach weather in November.

Compare Folly Beach's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Folly Beach

As December settles over Folly Beach, the weather takes on a unique character that distinguishes it from the warmer months. While temperatures can peak comfortably at 25°C (77°F), the average cools significantly, making cozy attire a necessity by the time you hit the beaches or explore local attractions. With high humidity hovering around 87%, the air feels damp, especially during the nine days of rain that contribute to a total precipitation of 127 mm (5.0 in). This blend of coolness and moisture creates a serene atmosphere, setting a tranquil backdrop unlike the bustling heat of summer. For more insights into what you can expect throughout the year, check out the detailed information in the Folly Beach Climate.