December Weather in Mobile, United States

Last updated: February 24, 2025

In December, Mobile, Alabama experiences a mild winter characterized by an average temperature of 13°C (56°F), with highs reaching up to 26°C (80°F) and occasional lows dipping to -1°C (30°F). This month notably features 87% humidity, creating a crisp atmosphere that contrasts with the warmth of the daytime. With an average precipitation of 130 mm (5.1 in) over approximately 11 days, December can be quite wet, making it essential for residents and visitors to prepare for occasional rainy weather. Overall, December in Mobile offers a blend of comfortable temperatures and seasonal moisture, ideal for enjoying the city's charming winter landscape.

December Temperature in Mobile

In Mobile, Alabama, December marks a transitional period as temperatures begin to dip, with average lows around -1°C (30°F) and highs reaching up to 26°C (80°F). Despite the cooler winter air, the month maintains a relatively mild average temperature of 13°C (56°F), suggesting a comfortable climate that contrasts sharply with the colder northern states. This trend of mild winters is consistent as the temperatures gradually decrease from the warmer months of fall, which peak in July and August. As the year winds down, the pleasant December weather offers a unique opportunity for both locals and visitors to enjoy outdoor festivities against the backdrop of cooling temperatures.

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

The chart illustrates December temperature patterns in Mobile, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535863677580828279736056
Data source: Temperature data for Mobile 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 Mobile

In December, Mobile, United States, experiences a notable uptick in precipitation, with an average of 130 mm (5.1 in). This increase is part of a pattern where the year winds down with significant rainfall, contrasting sharply with November's relatively dry total of 59 mm (2.3 in) over just 6 days. December's rainfall occurs over 11 days, suggesting a shift to wetter conditions as the holiday season approaches. This trend aligns with the overall yearly cycle, where the peak of precipitation typically emerges in the summer months, while late fall and winter months consistently exhibit increased rainfall. The month's precipitation not only adds to the region's lush landscape but also sets the stage for a wetter January, enriching the natural beauty of Mobile during the winter.

December Precipitation Trends in Mobile

The chart displays monthly precipitation patterns in Mobile, 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.
JanFebMarAprMayJunJulAugSepOctNovDec95989612213922515219114811859131
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Mobile

In Mobile, Alabama, December brings a noticeable increase in humidity, rising to a significant 87%. This uptick is part of a broader trend where the winter months feature higher humidity levels, peaking in December following a slight dip in October at 76%. As the year progresses from the drier summer months—where humidity levels fall as low as 71% in June—there's a pattern of increasing moisture content in the air, particularly during the late fall, culminating in a distinctly humid December. This seasonal shift not only influences the local climate but also impacts the comfort levels for residents, marking the month's weather with a damp and refreshing essence.

December Average Humidity in Mobile

This chart illustrates the average monthly humidity levels in Mobile, 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 Mobile

As winter descends upon Mobile, Alabama, the UV Index in December reflects a noticeable dip, measuring at a moderate 4. This signals a shift from the extreme levels of the earlier months, where sun safety was paramount with burn times as quick as 10 minutes in the height of summer. In contrast, December allows for a more leisurely 30 minutes of sun exposure without the risk of burning. Generally, as the year progresses, we observe a trend of increasing UV intensity from the low levels in January to the peak extremes during the summer months, before tapering back down in the cooler season. This seasonal variation highlights the importance of adapting sun protection practices throughout the year. For more on Mobile's UV Index, visit Mobile UV Index.

Maximum UV Index Levels in Mobile for December

The chart shows the monthly maximum UV Index (UVI) for Mobile 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121210864
Data source: Mobile 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 Mobile

As December sweeps into Mobile, the city enjoys a generous 212 hours of sunshine, a notable contrast to the shorter, grayer days of January with just 174 hours. This gradual ascent in daylight hours throughout the year peaks in May, offering residents a vibrant 319 hours that illustrates the warm embrace of summer. Interestingly, while the sunlight begins to dwindle as fall sets in, December still holds onto a wealth of sun, closing the year with a satisfying warmth that hints at the upcoming optimism of spring. With sunshine steadily rising from the winter's trough, Mobile's December serves as a reminder of nature's cyclical rhythms and the promise of brighter days ahead.

Monthly Sunshine Duration in Mobile: December Highlighted

The December sunshine duration represents the total number of hours Mobile 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.
JanFebMarAprMayJunJulAugSepOctNovDec174h197h262h285h319h286h314h301h275h274h257h212h
Data source: Mobile December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mobile During December

In Mobile, Alabama, the likelihood of sunny weather in December stands at 44%, a figure that reflects a slight dip compared to the sunnier months leading up to it. Notably, November enjoys a more generous 68% chance of sunshine, offering a warm transition into winter. This trend reveals a gradual decrease in sunny days from earlier in the year, with January and February also showcasing fairly high probabilities of 46% and 42%, respectively. As the seasons shift, December's 44% chance of sun suggests that while winter days may be on the rise, there are still opportunities to bask in some seasonal sunshine amid the cooler temperatures.

Percentage of Sunny Days in December in Mobile

The chart illustrates the percentage of sunny days in Mobile 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 Mobile experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%43%38%51%41%30%26%35%45%45%68%44%
Data source: Mobile December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mobile in December

In Mobile, Alabama, December brings a gentle winding down as daylight lasts for 10 hours—the same duration as in January and November. This continuation of shorter days signals the approach of winter, following the year’s gradual increase in sunlight from just 10 hours at the start of the year to a peak of 14 hours in June. Following the summer months, daylight begins to taper off, with August and September enjoying around 13 hours before dropping back to 12 hours in September and 11 hours in October. As the year concludes in December, the cyclical nature of daylight duration highlights the rhythmic ebb and flow of the seasons in this charming Southern city.

Average Daylight Hours in Mobile for December

The chart illustrates the variation in daylight duration in Mobile throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 24m11h 6m12h12h 56m13h 42m14h 5m13h 52m13h 11m12h 18m11h 22m10h 35m10h 11m
Data source: Mobile daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Mobile

As December arrives in Mobile, United States, the wind begins to pick up slightly, averaging 3.2 m/s (7 mph), signaling a subtle shift after the calmer summer months. Throughout the year, winds generally remain gentle, with the speed peaking in the early months of the year. Notably, July experiences the least wind, dropping to a mere 2.0 m/s (4 mph), while the colder months of January and February maintain a brisk average of around 3.4 m/s (8 mph). This trend indicates that while December's winds are still comparatively mild, they mark a transition towards the slightly more blustery conditions characteristic of early winter.

Average December Wind Speed in Mobile

The chart displays monthly wind speed patterns in Mobile, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.73.73.23.43.02.02.52.32.72.93.2 m/s
Data source: Mobile December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Mobile Compares to Other Months

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

December weather features a comfortable range of temperatures, with minimums around -1°C (30°F) and maximums reaching up to 26°C (80°F). However, it also experiences significant rainfall, averaging 130 mm (5.1 in) over 11 days, coupled with high humidity at 87%. In contrast, January sees cooler minimum temperatures dropping to -6°C (21°F), with an average of 12°C (53°F) and a similar maximum of 26°C (78°F). Precipitation decreases to 95 mm (3.7 in) over just 8 days, and humidity levels slightly lower to 82%. For a more detailed look at the weather in January, you can check out Mobile weather in January.

December and February showcase notable differences in weather patterns despite having similar maximum temperatures. In December, temperatures range from a chilly minimum of -1°C to a comfortable maximum of 26°C, averaging around 13°C. The month is characterized by higher humidity at 87% and significant rainfall, with about 130 mm falling over 11 days. In contrast, February tends to be cooler at night, with a minimum temperature of -5°C, but maintains a similar maximum of 26°C and an average of 15°C. It experiences less precipitation, totaling 98 mm over 12 days, and a lower humidity level of 80%. For more details on the weather specifics in February, you can check Mobile weather in February.

In December, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 26°C (80°F), with an average of 13°C (56°F). The month experiences notable precipitation of 130 mm (5.1 in) over about 11 days and a high humidity of 87%. In contrast, March brings slightly milder temperatures, with a minimum of 1°C (34°F) and a maximum of 30°C (85°F), averaging 17°C (64°F). Precipitation decreases to 96 mm (3.8 in) across 10 days, with humidity also lower at 80%. For more details on March weather in Mobile, you can check Mobile weather in March.

December and April present distinct weather contrasts. In December, temperatures can drop to a minimum of -1°C (30°F), with an average of 13°C (56°F) and a maximum reaching 26°C (80°F). Despite cooler temperatures, December experiences considerable precipitation, totaling 130 mm (5.1 in) over 11 days, accompanied by high humidity levels at 87%. In contrast, April begins with milder temperatures, with a minimum of 6°C (42°F) and averaging 20°C (68°F), peaking at 30°C (87°F). This month sees slightly less precipitation at 122 mm (4.8 in) over 10 days and lower humidity at 78%. For more detailed information on the weather in Mobile, check out Mobile weather in April.

In December, temperatures in the region can be quite variable, with a minimum of -1°C (30°F) and averaging around 13°C (56°F), peaking at a maximum of 26°C (80°F). The month is also characterized by high humidity at 87% and considerable precipitation, totaling 130 mm (5.1 in) over about 11 days. In contrast, May brings noticeably warmer weather, with temperatures ranging from a minimum of 10°C (50°F) to an average of 24°C (76°F), and reaching a maximum of 34°C (93°F). Although May sees a slight increase in precipitation to 139 mm (5.5 in), it occurs over just 10 days, and the humidity drops significantly to 73%. For more detailed information, check out Mobile weather in May.

December and June offer a stark contrast in weather patterns. December has a milder temperature range, with minimums dipping to -1°C (30°F) and maximums reaching 26°C (80°F). It experiences a significant amount of precipitation, averaging 130 mm (5.1 in) over 11 days, along with high humidity at 87%. In contrast, June boasts much warmer conditions, with minimum temperatures starting at 17°C (64°F) and highs peaking at 35°C (95°F). This month also receives more rain, totaling 225 mm (8.9 in) over 19 days, but with lower humidity levels at 71%. For a closer look at the weather specifics, check out Mobile weather in June.

December and July present strikingly contrasting weather conditions. In December, temperatures range from a chilly -1°C (30°F) to a mild 26°C (80°F), with an average of 13°C (56°F). The month sees approximately 130 mm (5.1 inches) of precipitation over 11 days, coupled with high humidity at 87%. In contrast, July brings significantly warmer weather, with temperatures ranging from a minimum of 22°C (72°F) to a scorching maximum of 36°C (98°F) and an average of 28°C (82°F). Although July has a higher total precipitation of 152 mm (6.0 inches) over 21 days, the humidity is slightly lower at 79%. For more details about weather in July, you can check this Mobile weather in July.

In December, the weather is notably cooler, with average temperatures ranging from a chilly 1°C (30°F) to a mild 26°C (80°F), accompanied by high humidity levels at 87%. This month experiences a fair amount of precipitation, totaling 130 mm (5.1 in) over about 11 days. In contrast, August brings sweltering heat, with temperatures soaring from a minimum of 21°C (71°F) to a scorching maximum of 37°C (98°F) and an average of 28°C (82°F). Although August also sees significant rainfall, with 191 mm (7.5 in) falling over 22 days, the humidity is lower at 78%. For more detailed weather information in August, you can check Mobile weather in August.

December and September present quite contrasting weather patterns. In December, temperatures can range from a minimum of -1°C (30°F) to a maximum of 26°C (80°F), with an average of 13°C (56°F). The month sees about 130 mm (5.1 in) of precipitation over 11 days, accompanied by high humidity levels at 87%. In contrast, September boasts much warmer temperatures, with minima around 14°C (58°F) and maxima reaching as high as 36°C (98°F), averaging 26°C (79°F). Precipitation in September is slightly higher at 148 mm (5.8 in) over 13 days but with lower humidity at 80%. For a detailed look at weather patterns, check out Mobile weather in September.

In comparing the weather between December and October, we see notable differences in temperature and humidity. December generally experiences cooler temperatures, with a minimum of -1°C (30°F) and an average of 13°C (56°F), while October enjoys warmer conditions, featuring a minimum of 5°C (41°F) and an average of 23°C (73°F). Additionally, October has significantly higher maximum temperatures, reaching up to 35°C (96°F) compared to December’s maximum of 26°C (80°F). Despite slightly less precipitation in October (118 mm or 4.7 inches over 9 days) compared to December (130 mm or 5.1 inches over 11 days), October also boasts lower humidity at 76%, compared to December's 87%. For a more detailed look at October weather specifically, you can explore Mobile weather in October.

In December, the weather exhibits a broader temperature range, with minimums dipping to -1°C (30°F) and maximums reaching 26°C (80°F). The average temperature is slightly lower at 13°C (56°F) compared to November's higher average of 15°C (60°F). December also experiences more precipitation, totaling 130 mm (5.1 in) over 11 days, while November sees significantly less at 59 mm (2.3 in) across just 6 days. Additionally, December's humidity is slightly higher at 87%, compared to November's 83%. For more detailed weather information, you can check Mobile weather in November.

Compare Mobile's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Mobile

As December arrives in Mobile, the weather shifts to cooler and wetter conditions compared to the rest of the year. While you may find occasional sunny spells, average temperatures drop, inviting the holiday season with crisp air and a notable increase in humidity levels. The amount of precipitation also stands out, with rain making its presence felt over several days, contributing to Mobile's lush winter landscape. This period marks a transitional phase, where the mild climate is a refreshing change from the sweltering summer months. For an in-depth look at how December fits into the broader context of Mobile's climate, be sure to check out Mobile Climate.