December Weather in Tybee Island, United States

Last updated: February 24, 2025

December in Tybee Island, United States, offers a mild coastal retreat where temperatures typically range from a maximum of 21°C (70°F) to a cooler minimum of 1°C (34°F), with an average of 14°C (57°F). Visitors can expect frequent precipitation, with 118 mm (4.7 in) of rain spread over approximately 8 days, contributing to a lush, vibrant landscape. The month is characterized by a high humidity level of 85%, creating a refreshing atmosphere despite the occasional showers. Whether you're strolling along the beach or exploring local attractions, December provides a unique charm that invites both relaxation and adventure on this charming island.

December Temperature in Tybee Island

In December, Tybee Island experiences a gentle transition into winter, with daily temperatures showcasing a typical range that beckons visitors seeking a milder climate. The month opens with a minimum of around 1°C (34°F), gradually rising to an average of 14°C (57°F) and peaking at a comfortable 21°C (70°F). This notable warmth compared to the frigid temperatures found in many other regions makes Tybee an attractive winter getaway. As the year draws to a close, December offers a refreshing break, still harboring the lingering warmth of autumn while hinting at the cooler months ahead, allowing for outdoor adventures or cozy seaside strolls. Overall, the temperatures create a pleasant environment, making it a delightful time to explore the natural beauty and vibrant culture of the island.

December Weather in Tybee Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Tybee Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545761677479828179746357
Data source: Temperature data for Tybee Island generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Tybee Island

In December, Tybee Island experiences an increase in precipitation, with 118 mm (4.7 in) recorded over 8 days. This marks a shift from the milder, drier months preceding it, as rainfall becomes more pronounced. Notably, December's precipitation is higher than several other months, indicating a trend toward wetter winters. Interestingly, this uptick in moisture sets the stage for the island's lush landscapes while contributing to the overall climatic rhythm of the region. As the year draws to a close, the blend of cool temperatures and increased rainfall creates a unique atmosphere, hinting at the balance between winter's chill and the warmth of the southern coast.

December Precipitation Trends in Tybee Island

The chart displays monthly precipitation patterns in Tybee Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec55766074781111521931419592118
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tybee Island

In December, Tybee Island experiences a notable increase in humidity, reaching 85%, which is the highest level for the year. This month marks a departure from the relatively lower humidity levels experienced from April to May, where figures dipped to 72%. As the year progresses, a trend emerges: humidity levels rise during the warmer months, peaking in July and August at 82%, followed by a slight decline in the fall. Interestingly, as winter sets in, December’s humidity not only breaks the previous high of November’s 82%, but also reflects the coastal climate's tendency to embrace moisture, creating a unique atmosphere that wraps the island in a comforting embrace as the year draws to a close.

December Average Humidity in Tybee Island

This chart illustrates the average monthly humidity levels in Tybee Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%78%73%72%74%82%82%83%79%82%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tybee Island

In December, Tybee Island experiences a notable dip in the UV Index, registering a moderate level of 4. This decrease marks a shift from the extreme levels seen in the peak summer months of May through August, where the index consistently hit 11. With a burn time of 30 minutes, December provides a safer window for sun exposure, in stark contrast to the mere 10 minutes required during the height of summer. As the year winds down, beachgoers can embrace gentle sunlight while remaining mindful of their skin's health. To explore the specifics of UV exposure year-round, check out Tybee Island UV Index.

Maximum UV Index Levels in Tybee Island for December

The chart shows the monthly maximum UV Index (UVI) for Tybee Island 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.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
Data source: Tybee Island 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 Tybee Island

In December, Tybee Island baskes in a modest 223 hours of sunshine, a beautiful prelude to the winter months. As the year winds down, this coastal gem offers a charming contrast to the vibrant summer months, which peak in sunlight, hitting 349 hours in July. The sunshine steadily increases from January’s cooler 194 hours to the warmer, longer days of summer, but the December glow still invites visitors to embrace the serene, quieter side of beach life. While the month may be a tad lower in daylight compared to the vibrant spring and summer, it remains a delightful escape, hinting at the warm Southern charm that characterizes Tybee Island throughout the year.

Monthly Sunshine Duration in Tybee Island: December Highlighted

The December sunshine duration represents the total number of hours Tybee Island 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.
JanFebMarAprMayJunJulAugSepOctNovDec194h219h287h312h339h325h349h321h304h294h252h223h
Data source: Tybee Island December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tybee Island During December

December in Tybee Island offers a moderate chance of sunny weather, with a 44% likelihood of sunshine gracing the skies. As the year winds down, this percentage reflects a slight dip from November's more promising 59%, yet remains higher than several earlier months like February and March, which hover closer to the 38-39% range. This trend underscores a pattern of increasing sunshine as spring approaches, making December a relatively bright choice for those looking to escape the chill elsewhere. While it may not boast the sunniest days of the year, visitors can still enjoy a mix of clear skies amid the cooler temperatures, promising charming winter sunsets along the coast.

Percentage of Sunny Days in December in Tybee Island

The chart illustrates the percentage of sunny days in Tybee Island 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 Tybee Island experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%38%39%55%53%25%31%26%49%51%59%44%
Data source: Tybee Island December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tybee Island in December

In December, Tybee Island experiences a return to shorter daylight hours, mirroring the 10 hours seen in both January and November. This month marks the conclusion of a gradual decrease in daylight that began in the height of summer. As daylight peaks at a generous 14 hours in June, the hours slowly wane, creating a rhythmic pattern as the year transitions towards winter. The consistent 10-hour daylight duration in both early and late winter months suggests a cozy, reflective atmosphere as the island prepares for the festive season, inviting visitors to enjoy its charm under shorter, yet captivating, daylight.

Average Daylight Hours in Tybee Island for December

The chart illustrates the variation in daylight duration in Tybee Island throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 18m11h 3m12h12h 58m13h 47m14h 11m13h 58m13h 15m12h 19m11h 20m10h 30m10h 4m
Data source: Tybee Island daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Tybee Island

As December rolls into Tybee Island, the average wind speed takes a slight dip to 5.0 m/s (11 mph), reflecting the calmer breezes typical of the winter months. This gentle shift follows a pattern observed throughout the year, where wind speeds generally peak in spring and early summer, hovering around 5.6 m/s (13 mph), before gradually tapering off into the cooler months. Interestingly, December's wind speed mirrors the slower pace of October and November, suggesting a cozy, tranquil atmosphere as the island prepares for the holiday season. Each month contributes to a tapestry of shifting winds, enhancing Tybee Island's charm while inviting residents and visitors to embrace the serenity of winter by the sea.

Average December Wind Speed in Tybee Island

The chart displays monthly wind speed patterns in Tybee Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.65.45.75.35.65.34.74.44.24.55.45.0 m/s
Data source: Tybee Island December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Tybee Island Compares to Other Months

The weather in Tybee Island 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 Tybee Island and find detailed weather information for every month.

December weather tends to be milder compared to January, with average temperatures ranging from a low of 1°C (34°F) to a high of 21°C (70°F). In contrast, January experiences slightly cooler temperatures, with a minimum of -1°C (30°F) and an average of 12°C (54°F), peaking at 22°C (72°F). Additionally, December receives more rainfall, totaling 118 mm (4.7 in) over about 8 days, while January sees a significant decrease in precipitation, averaging just 54 mm (2.1 in) across 7 days. Humidity remains relatively stable, with December at 85% and January slightly lower at 84%. For more detailed information, check out Tybee Island weather in January.

In comparing the weather of December and February, both months exhibit similar average temperatures, hovering around 14°C (57°F). However, December features slightly cooler minimum temperatures at 1°C (34°F) compared to February's 3°C (38°F). Precipitation levels also differ, with December receiving 118 mm (4.7 in) over 8 days, while February sees a lower total of 76 mm (3.0 in) across 9 days. Additionally, December experiences higher humidity at 85%, compared to February's 79%. For more details on February weather specifically, you can check out Tybee Island weather in February.

In December, temperatures range from a chilly minimum of 1°C (34°F) to a mild maximum of 21°C (70°F), with average temperatures around 14°C (57°F). The month sees significant precipitation at 118 mm (4.7 in) over about 8 days, contributing to a high humidity of 85%. In contrast, March brings slightly warmer temperatures, with a minimum of 3°C (38°F) and a maximum of 24°C (76°F), leading to an average of 16°C (61°F). Rainfall is also less prevalent in March, with only 60 mm (2.4 in) over 5 days and reduced humidity at 78%. For more detailed weather insights, you can check Tybee Island weather in March.

December and April present contrasting weather conditions. In December, temperatures range from a chilly minimum of 1°C (34°F) to a more comfortable maximum of 21°C (70°F), with an average of 14°C (57°F). The month is characterized by higher humidity at 85% and significant precipitation totaling 118 mm (4.7 in) over about 8 days. In contrast, April features milder conditions with minimum temperatures of 7°C (45°F) and a maximum reaching 28°C (82°F), averaging at 19°C (67°F). The humidity decreases to 72%, and precipitation is lighter at 74 mm (2.9 in) spread across 7 days. For a deeper look into April's climate, check out Tybee Island weather in April.

In December, the weather tends to be much cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 21°C (70°F), and an average of 14°C (57°F). This month also sees significant precipitation, with 118 mm (4.7 in) recorded over 8 days, and humidity levels are high at 85%. In stark contrast, May offers warmer conditions, with temperatures typically between 13°C (56°F) and 31°C (88°F), averaging 23°C (74°F). The rainfall in May is lower, totaling 78 mm (3.1 in) over the same number of days, and the humidity is more comfortable at 72%. For a more detailed look at conditions, check out Tybee Island weather in May.

When comparing the weather in December and June, there is a stark contrast in temperature and climate conditions. December features cooler temperatures, with averages around 14°C (57°F) and nighttime lows dropping to 1°C (34°F). It also experiences higher humidity levels at 85% and 118 mm (4.7 in) of precipitation over approximately 8 days. In contrast, June boasts a much warmer climate, with average temperatures reaching 26°C (79°F) and daytime highs often soaring to 32°C (90°F). Although June sees slightly less precipitation at 111 mm (4.4 in), it occurs over more days, totaling about 15. For more detailed insights on June weather in this region, visit Tybee Island weather in June.

December and July present strikingly different weather patterns. In December, temperatures range from a chilly minimum of 1°C (34°F) to a mild maximum of 21°C (70°F), with an average of 14°C (57°F). The month sees 118 mm (4.7 in) of precipitation over about 8 days, coupled with a high humidity of 85%. In contrast, July experiences much warmer weather, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F) and an average of 28°C (82°F). July also brings higher precipitation levels at 152 mm (6.0 in) spread over 17 days, but with slightly lower humidity at 82%. For a closer look at July weather, visit Tybee Island weather in July.

When comparing the weather in December and August, a significant contrast emerges. December experiences cooler temperatures with minimums around 1°C (34°F) and averages of 14°C (57°F), while August boasts much warmer weather, with minimums reaching 24°C (75°F) and averages around 27°C (82°F). Additionally, August typically receives more rainfall, totaling 193 mm (7.6 in) over 21 days, compared to December's 118 mm (4.7 in) over just 8 days. Humidity levels are relatively high in both months, at 85% for December and slightly lower at 82% for August. For a detailed look at August weather specifically, you can check Tybee Island weather in August.

When comparing the weather in December and September, it's clear that September is generally warmer and drier. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 32°C (90°F), with an average of 26°C (80°F). In contrast, December experiences much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 21°C (70°F), averaging 14°C (57°F). While both months see notable precipitation, September has slightly more at 141 mm (5.5 in) over 13 days compared to December's 118 mm (4.7 in) over 8 days. Humidity levels are fairly similar, with December at 85% and September at 83%. For more details on what to expect during this time, check out Tybee Island weather in September.

When comparing the weather in December and October, October tends to be warmer and drier. In October, average temperatures range from a minimum of 8°C (47°F) to a maximum of 30°C (87°F), while December sees much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 21°C (70°F). Additionally, October experiences less precipitation, with 95 mm (3.7 in) over 10 days compared to December's 118 mm (4.7 in) over 8 days. Humidity levels are also slightly lower in October at 79%, compared to December's 85%. For more details on October's weather, visit Tybee Island weather in October.

When comparing the weather in December to that of November, we can observe notable differences. December experiences slightly cooler temperatures, with an average of 14°C (57°F) compared to November's warmer average of 17°C (63°F). The maximum temperature in December peaks at 21°C (70°F), while November sees a higher maximum of 27°C (80°F). In terms of precipitation, December is wetter, receiving 118 mm (4.7 in) over 8 days, compared to November's 92 mm (3.6 in) during the same number of days. Humidity levels also rise slightly in December, averaging at 85% versus November's 82%. For more detailed insights, you can visit Tybee Island weather in November.

Compare Tybee Island's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Tybee Island

In December, Tybee Island experiences a noticeable shift in weather compared to the warmer months. As temperatures cool significantly, the coastal charm takes on a different ambiance, with mild days giving way to cooler evenings. Despite a higher humidity level, rainfall becomes less frequent, allowing for cozy beach strolls under overcast skies. This transitional month offers a unique blend of mild temperatures and occasional rain, setting the stage for a quieter, yet enchanting island experience. For a detailed look at how each month compares, visit Tybee Island Climate.