December Weather in Biloxi, United States

Last updated: February 24, 2025

In Biloxi, United States, December brings a refreshing chill as temperatures range from a crisp -1°C (30°F) at night to a pleasant 26°C (79°F) during the day, averaging around 13°C (56°F). This month is characterized by higher humidity levels at 87%, contributing to a damp atmosphere. Residents can expect approximately 113 mm (4.4 in) of rainfall over about 11 days, making it a relatively wet time of year. As the holiday season approaches, the blend of mild temperatures and occasional rains creates a unique ambiance for both residents and visitors alike.

December Temperature in Biloxi

In Biloxi, United States, December brings a cool yet pleasant transition into winter. With minimum temperatures averaging around -1°C (30°F), the chill is felt but rarely bites. The average temperature hovers at a comfortable 13°C (56°F), making it suitable for outdoor activities without the sweltering heat of summer. Daytime highs can reach up to 26°C (79°F), offering delightful sunshine that contrasts with the crisp mornings and evenings. As this month marks the tail end of autumn, Biloxi experiences a gradual decline in temperature compared to the warmer months, yet it remains inviting for those looking to escape harsher winter conditions elsewhere.

December Weather in Biloxi: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Biloxi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535964687680828279726056
Data source: Temperature data for Biloxi 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 Biloxi

In December, Biloxi experiences a notable shift in precipitation patterns as the year draws to a close, with an average of 113 mm (4.4 in) of rainfall over approximately 11 days. This month typically sees a decrease in precipitation compared to the preceding summer months, which often exceed 200 mm. However, December's rainfall is still significant, providing essential moisture as the cooler winter months approach. As the holiday season sets in, this blend of rain and milder temperatures creates a unique coastal charm, laying the groundwork for the year ahead while offering a serene respite from the summer storms.

December Precipitation Trends in Biloxi

The chart displays monthly precipitation patterns in Biloxi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec981118912113025119422013512961113
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Biloxi

In Biloxi, December brings a notable shift in humidity, peaking at 87%, the highest level of the year. This increase marks a transitional trend from the previous months, where humidity levels fluctuate between 71% and 83%. Starting from the drier summer months of June and July, where humidity dips to the low 70s, the gradual climb back up can be seen, particularly through the fall. As autumn yields to winter, November already shows a rise to 83%, setting the stage for the colder December air to elevate humidity further. This consistent habit of rising humidity as the year draws to a close emphasizes Biloxi's characteristic maritime climate, making December a notably damp month.

December Average Humidity in Biloxi

This chart illustrates the average monthly humidity levels in Biloxi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%78%73%71%79%78%80%76%83%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Biloxi

As December arrives in Biloxi, the UV Index dips to 4, placing it in the moderate exposure category with a burn time of 30 minutes. This marks a noticeable decline from the extreme levels seen in the summer months, such as July and August when the index soared to 12. With winter's chill, residents and visitors can enjoy outdoor activities without the intense sun protection needed earlier in the year. However, as you embrace the milder temperatures, it's still wise to be mindful of UV exposure. For more insights on UV trends throughout the year, check out Biloxi UV Index.

Maximum UV Index Levels in Biloxi for December

The chart shows the monthly maximum UV Index (UVI) for Biloxi 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Biloxi 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 Biloxi

As the year winds down in Biloxi, December brings 223 hours of sunshine, a delightful wrap-up to the year’s celestial offerings. The trend reveals a gradual dip in sunlight compared to the vibrant spring and early summer months, which boast over 320 hours of bright skies. While December’s figures may feel modest beside the sun-drenched days of May and July, they still illuminate the holiday season, providing ample opportunities for outdoor festivities. This month’s sunshine serves as a gentle reminder that even in the cooler months, the South embraces warm, sunny days—perfect for enjoying the charming coastal landscapes.

Monthly Sunshine Duration in Biloxi: December Highlighted

The December sunshine duration represents the total number of hours Biloxi 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.
JanFebMarAprMayJunJulAugSepOctNovDec180h206h276h288h322h298h319h313h283h290h263h223h
Data source: Biloxi December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Biloxi During December

In Biloxi, United States, the likelihood of experiencing sunny weather in December is moderate, with a 40% chance of sunshine. This figure is somewhat lower than the previous month’s 66%, suggesting a transition into the cloudier winter season. Compared to earlier months, the chance of sun declines significantly from the 48% in January to a low of 25% in July. Interestingly, while the December forecast isn't the sunniest, it still stands out amidst the drearier summer months, indicating that there are still opportunities for sunny days to brighten the holiday season. Embracing the charm of Biloxi's winter weather might lead to pleasantly surprising sunny breaks.

Percentage of Sunny Days in December in Biloxi

The chart illustrates the percentage of sunny days in Biloxi 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 Biloxi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%43%39%51%36%27%25%34%45%45%66%40%
Data source: Biloxi December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Biloxi in December

As December unfolds in Biloxi, daylight hours dip to 10 hours, mirroring the shorter days of January and November. This seasonal pattern highlights a gradual decline from a peak of 14 hours in June, with daylight steadily decreasing as we transition from the warmth of summer to the cooler winter months. Interestingly, while daylight duration remains consistent at 10 hours in both December and January, it sets the stage for a slight increase as spring approaches. The shifting daylight hours not only mark the changing seasons but also invite a cozy atmosphere that many locals embrace as the year winds down.

Average Daylight Hours in Biloxi for December

The chart illustrates the variation in daylight duration in Biloxi throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 25m11h 6m12h12h 55m13h 41m14h 3m13h 51m13h 10m12h 18m11h 23m10h 35m10h 12m
Data source: Biloxi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Biloxi

In December, Biloxi enjoys a welcome breeze with an average wind speed of 3.0 m/s (7 mph), a gentle reminder of the townsfolk's transition into winter. This slight uptick in wind speed from the calmer summer months reflects a broader trend where winter months often see an increase in wind intensity, especially compared to the 1.9 m/s (4 mph) of July, the calmest period. As the year concludes, winds become more dynamic, providing a refreshing contrast to the stifling heat of summer. With these favorable conditions, December invites locals and visitors alike to engage with the natural beauty of the coastal landscape, where the soothing winds carry whispers of the ocean's mysteries.

Average December Wind Speed in Biloxi

The chart displays monthly wind speed patterns in Biloxi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.53.63.23.42.81.92.52.42.62.73.0 m/s
Data source: Biloxi December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Biloxi Compares to Other Months

The weather in Biloxi 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 Biloxi and find detailed weather information for every month.

In December, Biloxi experiences a milder range of temperatures with a minimum of -1°C (30°F), an average of 13°C (56°F), and a maximum of 26°C (79°F). The month sees significant precipitation, totaling 113 mm (4.4 in) over 11 days, and humidity levels are relatively high at 87%. In contrast, January is cooler, featuring a minimum temperature of -7°C (20°F) and a slightly lower average of 12°C (53°F), while still reaching a maximum of 26°C (78°F). Precipitation decreases to 97 mm (3.8 in) spread across just 7 days, and humidity also drops to 82%. For a more detailed look at the January climate, check out Biloxi weather in January.

In December, temperatures range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 26°C (79°F), with an average of 13°C (56°F). The month experiences about 113 mm (4.4 in) of precipitation over 11 days, coupled with high humidity levels at 87%. In contrast, February sees slightly colder temperatures, with a minimum of -5°C (23°F) and an average of 15°C (59°F), reaching a maximum of 27°C (80°F). Precipitation remains similar, at 111 mm (4.4 in) but occurs over 13 days, and humidity drops to 80%. Despite these differences, both months experience relatively mild temperatures for winter, making February a great time to explore more about the weather trends. For detailed insights, check out Biloxi weather in February.

In December, the weather features a wider temperature range with minimums dipping to -1°C (30°F) and maximums reaching 26°C (79°F), while March presents milder conditions with minimums at 1°C (33°F) and maximums peaking at 30°C (85°F). December experiences more precipitation, totaling 113 mm (4.4 in) over 11 days, compared to March's 89 mm (3.5 in) across the same number of days. Despite December's higher humidity at 87%, March's 80% humidity still creates a noticeable warmth as the season transitions. For more detailed insights on March weather, you can check Biloxi weather in March.

December and April present contrasting weather patterns. In December, temperatures can drop to a minimum of -1°C (30°F), with an average temperature of 13°C (56°F) and a maximum reaching 26°C (79°F). The month experiences about 113 mm (4.4 in) of precipitation over 11 days, accompanied by high humidity at 87%. In comparison, April enjoys milder conditions with a minimum temperature of 5°C (42°F), an average of 20°C (68°F), and highs of 31°C (89°F). While precipitation in April is slightly higher at 121 mm (4.7 in) over 10 days, the humidity drops to 78%. For more details on the conditions during this lively spring month, check out Biloxi weather in April.

December and May present strikingly different weather conditions. In December, temperatures range from a chilly minimum of -1°C (30°F) to a warm average of 13°C (56°F), peaking at a maximum of 26°C (79°F). The month experiences significant precipitation, totaling 113 mm (4.4 in) over approximately 11 days, accompanied by high humidity levels of 87%. In contrast, May enjoys much milder temperatures with a minimum of 10°C (50°F) and an average of 24°C (76°F), reaching up to a sweltering maximum of 35°C (94°F). While it has slightly more precipitation at 130 mm (5.1 in) across 12 days, the humidity drops to a more comfortable 73%. For a detailed look at May's climate, you can check Biloxi weather in May.

December and June present strikingly different weather patterns. In December, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 26°C (79°F), with an average of 13°C (56°F). Precipitation is moderate, with 113 mm (4.4 in) falling over 11 days, contributing to high humidity levels of 87%. In contrast, June boasts a much warmer climate, with minimum temperatures starting at 17°C (63°F) and peaking at a sweltering 35°C (96°F), averaging around 27°C (81°F). Rainfall is significantly higher at 251 mm (9.9 in), occurring over 20 days, but the humidity is lower at 71%. For more detailed insights into June weather, visit Biloxi weather in June.

December and July exhibit stark contrasts in weather patterns. In December, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable average of 13°C (56°F), with maximums reaching up to 26°C (79°F). This month also sees significant precipitation, totaling 113 mm (4.4 in) over 11 days, accompanied by high humidity levels of 87%. In contrast, July experiences much warmer conditions, with temperatures ranging from a minimum of 21°C (70°F) to a scorching average of 28°C (82°F) and maximums soaring to 37°C (99°F). July is even wetter, recording 194 mm (7.6 in) of rainfall distributed over 22 days, while the humidity remains relatively lower at 79%. For more details on July weather, check out Biloxi weather in July.

When comparing the weather in December and August, there are notable differences in temperature, precipitation, and humidity. December experiences cooler temperatures with a minimum of -1°C (30°F) and an average of 13°C (56°F), peaking at 26°C (79°F). In contrast, August is warm, with minimum temperatures around 21°C (71°F) and an average of 28°C (82°F), reaching highs of 36°C (98°F). Additionally, December sees around 113 mm (4.4 in) of precipitation over 11 days, while August is considerably wetter, with 220 mm (8.7 in) falling over 23 days. Humidity levels are also different; December has a higher humidity of 87%, while August has a slightly lower humidity at 78%. For a closer look at what to expect during August, check out Biloxi weather in August.

December and September exhibit contrasting weather patterns, with September generally being warmer and more humid. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 36°C (97°F), averaging around 26°C (79°F). Conversely, December's temperatures are cooler, with a minimum of -1°C (30°F) and an average of 13°C (56°F), peaking at 26°C (79°F). While both months see significant rainfall, December records about 113 mm (4.4 in) over 11 days, and September slightly higher at 135 mm (5.3 in) over 14 days. Humidity is also higher in December at 87%, compared to 80% in September, contributing to a different overall feel in the air. For more insights on September weather, you can check Biloxi weather in September.

When comparing the weather conditions of December and October, it's evident that October is generally warmer, with average temperatures peaking at 22°C (73°F) compared to December's average of 13°C (56°F). October also enjoys higher maximum temperatures, reaching up to 34°C (94°F), while December's maximum is significantly lower at 26°C (79°F). Both months experience a similar amount of rainfall, with October seeing 129 mm (5.1 in) and December recording 113 mm (4.4 in) over 11 days of precipitation. However, October maintains a lower humidity level at 76%, compared to December’s 87%, making October feel more comfortable overall. For a closer look at October’s climate, you can visit Biloxi weather in October.

In comparing the weather of December to November, December experiences a slightly warmer average temperature at 13°C (56°F) compared to November's 15°C (60°F). The maximum temperatures in both months are relatively close, with December reaching up to 26°C (79°F) and November reaching 28°C (83°F). However, December is marked by increased precipitation, totaling 113 mm (4.4 in) over 11 days, which is nearly double November's 61 mm (2.4 in) over just 6 days. Additionally, December has a slightly higher humidity level at 87%, compared to November’s 83%. For more details on November weather patterns, check out Biloxi weather in November.

Compare Biloxi's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Biloxi

As December rolls into Biloxi, the weather shifts to a cooler and more humid profile compared to the warmer months. With temperatures dropping significantly and an uptick in precipitation, residents and visitors alike experience a notable change in the atmosphere. The festive season brings a blend of crisp air and occasional rain, making December a unique month for outdoor activities and celebrations. The increased humidity adds a different layer to the winter experience, reminding us that even in cooler weather, Biloxi retains its charm. For a deeper dive into patterns and averages, check out Biloxi Climate.