December Weather in New Orleans, United States

Last updated: February 24, 2025

December in New Orleans brings a delightful mix of mild temperatures and festive cheer. With daily maximums reaching up to 26°C (80°F) and averages around 14°C (58°F), the city enjoys a comfortable climate, though cooler nights can drop to a brisk 3°C (37°F). The month also sees 101 mm (4.0 in) of precipitation over approximately 12 days, contributing to the city’s lush landscape. Coupled with an 84% humidity level, these weather patterns create a unique ambiance that perfectly complements the holiday season, making it an ideal time for exploration and celebration in this vibrant city.

December Temperature in New Orleans

In December, New Orleans welcomes a delightful shift in temperatures as the city transitions into winter. The month's minimum temperature hovers around 3°C (37°F), while the average settles at a cool 14°C (58°F), providing a mild reprieve from the sweltering summer months. During this time, highs can reach 26°C (80°F), allowing for comfortable outdoor activities and festive cheer. As the year draws to a close, these temperatures reflect a gradual decline compared to the warmer mid-year months, making December a charming time to explore New Orleans' vibrant culture and holiday festivities amidst the embrace of its pleasantly crisp weather.

December Weather in New Orleans: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in New Orleans, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec556065697781828280746258
Data source: Temperature data for New Orleans 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 New Orleans

In December, New Orleans experiences a moderate shift in precipitation, with an average of 101 mm (4.0 in) over about 12 days. This marks a transition from the drier conditions seen in November, where only 58 mm (2.3 in) was recorded on just 7 days. As the year draws to a close, the city typically sees a blend of rain and cooler weather, contributing to a noticeable increase in moisture compared to earlier months. This December precipitation is part of a broader pattern where the city's wettest months, June through August, receive significantly higher rainfall, emphasizing the seasonal swing in New Orleans' climate. Overall, December serves as a reminder of the region's dynamic weather, setting the stage for the wetter spring months ahead.

December Precipitation Trends in New Orleans

The chart displays monthly precipitation patterns in New Orleans, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90968711314421821927314713358101
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in New Orleans

As the year draws to a close, December brings a noticeable increase in humidity to New Orleans, rising to 84%. This spike contrasts with the slightly lower levels experienced in the summer months, where humidity dipped to its lowest at 73% in August. The trend shows a consistent ebb and flow throughout the year, with winter months like December and November experiencing higher humidity levels around 81%. Conversely, the late spring and summer months, particularly May to August, showcase a gradual decline, highlighting a seasonal rhythm that characterizes the city's climate. With December's humidity reaching its peak, New Orleans wraps up the year in a cozy, if slightly damp, embrace of moisture.

December Average Humidity in New Orleans

This chart illustrates the average monthly humidity levels in New Orleans, 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.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%79%81%77%74%74%73%79%77%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in New Orleans

As December arrives in New Orleans, residents can expect a moderate UV Index of 5, marking a gentle decline from the intense exposures seen in the summer months. This lower index translates to a burn time of approximately 30 minutes, allowing for comfortable outdoor activities without the immediate concern of sunburn. Following the extreme conditions of summer, with UV levels soaring to 12 in June and July, December offers a welcome reprieve, highlighting a seasonal shift that nudges exposure back into the moderate category. This trend reveals a clear cyclical pattern in New Orleans' climate, encouraging residents and visitors alike to enjoy the milder sunlight while still remaining mindful of skin protection. For more information on UV trends in the area, visit New Orleans UV Index.

Maximum UV Index Levels in New Orleans for December

The chart shows the monthly maximum UV Index (UVI) for New Orleans 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110965
Data source: New Orleans 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 New Orleans

In December, New Orleans enjoys a pleasant drop in sunshine hours from the peak of May's 320 hours, basking in 220 hours of sunlight that month. This notable decrease signals the onset of winter, making way for cozier indoor gatherings and festive celebrations that characterize the holiday season. Interestingly, while December sees fewer sunny days than the spring and summer months, it still outshines January, which tends to be the gloomiest with only 180 hours of sunlight. As the year winds down, December's moderate sunshine allows residents and visitors alike to relish the city's vibrant atmosphere and rich cultural offerings, perfectly blending warmth and holiday cheer against a backdrop of gentle winter days.

Monthly Sunshine Duration in New Orleans: December Highlighted

The December sunshine duration represents the total number of hours New Orleans 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.
JanFebMarAprMayJunJulAugSepOctNovDec180h195h271h280h320h298h307h306h279h287h257h220h
Data source: New Orleans December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in New Orleans During December

When considering the likelihood of sunny weather in New Orleans during December, the outlook is moderately promising with a 43% chance of sunshine. This places December as one of the months with a slightly better likelihood when compared to the earlier winter months, such as January and February, which see chances of sun at 50% and 37%, respectively. Interestingly, November stands out with a higher 64% likelihood, suggesting that if you're seeking sun-soaked days, visiting just before December might be ideal. Overall, while December's sunny prospects may not be the best of the year, they certainly offer a pleasant alternative to the more overcast conditions often found in the preceding months.

Percentage of Sunny Days in December in New Orleans

The chart illustrates the percentage of sunny days in New Orleans 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 New Orleans experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%37%39%49%37%28%26%31%47%49%64%43%
Data source: New Orleans December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in New Orleans in December

In New Orleans, December marks a month where daylight begins to wane, mirroring the broader seasonal trend. With only 10 hours of daylight, the city experiences a slight lull reminiscent of November's sunlit conditions. This is part of a natural ebb and flow of sunlight throughout the year, peaking in the summer months, particularly in June with 14 hours of daylight. As the calendar turns towards winter, we see a gradual decrease in daylight starting from the long days of May, which offers up to 13 hours. This yearly rhythm underscores the vibrant shifts in New Orleans, blending warmth and shadows as it transitions from one season to the next. The consistency of 10 hours in both December and January hints at a tranquil pause before the gradual return of longer days as spring approaches.

Average Daylight Hours in New Orleans for December

The chart illustrates the variation in daylight duration in New Orleans throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 27m11h 8m12h12h 54m13h 39m14h 1m13h 49m13h 9m12h 17m11h 24m10h 37m10h 14m
Data source: New Orleans daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in New Orleans

As the year draws to a close, December in New Orleans experiences a subtle shift in wind patterns, with an average speed of 3.6 m/s (8 mph). This marks a slight increase from the stillness of summer months, like July, when winds barely reached 2.4 m/s (5 mph). The cooling temperatures of late fall tend to invigorate the breezes, but they remain gentle compared to the breezy spring months, where averages hovered around 4.6 m/s (10 mph). The transition into winter reveals a consistency in overall calmness, yet the whispers of the December wind carry the promise of festive celebrations, encouraging residents and visitors alike to embrace the city's vibrant spirit amid the cool, breezy backdrop.

Average December Wind Speed in New Orleans

The chart displays monthly wind speed patterns in New Orleans, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.54.64.24.43.52.43.33.13.33.23.6 m/s
Data source: New Orleans December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in New Orleans Compares to Other Months

The weather in New Orleans 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 New Orleans and find detailed weather information for every month.

In December, the weather features a mild temperature range with minimums around 3°C (37°F) and maximums reaching 26°C (80°F), accompanied by relatively high humidity levels at 84%. With an average temperature of 14°C (58°F) and 101 mm (4.0 in) of precipitation over 12 days, December is generally wetter than January. In contrast, January experiences cooler temperatures, with minimums dropping to -5°C (23°F) but still enjoying maximums of 27°C (80°F) and an average of 13°C (55°F). Precipitation decreases to 90 mm (3.5 in) over just 8 days, and humidity slightly dips to 81%. For more details about the weather conditions in January, check out New Orleans weather in January.

December and February present some intriguing contrasts in weather, although both months offer relatively mild temperatures overall. December sees a minimum temperature of 3°C (37°F) and an average high of 26°C (80°F), accompanied by around 101 mm (4.0 in) of precipitation over 12 days, coupled with high humidity levels at 84%. In comparison, February experiences a chillier minimum of -3°C (26°F), yet the average days can still reach up to 26°C (80°F). Precipitation is slightly lower in February at 96 mm (3.8 in), along with a similar frequency of rainy days and slightly reduced humidity at 81%. For a more detailed look at February weather, check out New Orleans weather in February.

In comparing the weather between December and March, December tends to be cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 26°C (80°F), while March experiences slightly warmer averages, with temperatures ranging from 2°C (36°F) to 29°C (84°F). Precipitation is also noteworthy; December sees around 101 mm (4.0 in) of rainfall over 12 days, whereas March has a reduced total of 87 mm (3.4 in) over 10 days, making it drier on average. Humidity levels in December are higher at 84%, compared to 79% in March, contributing to a more rigid feel during the winter month. For those curious about the specifics of the climate during this time, detailed information can be found here: New Orleans weather in March.

In December, temperatures in New Orleans range from a cool 3°C (37°F) at night to a comfortable high of 26°C (80°F) during the day, with an average of 14°C (58°F). The month experiences considerable humidity at 84% and sees about 101 mm (4.0 inches) of precipitation over 12 days. In contrast, April ushers in milder weather, with nighttime lows of 9°C (48°F) and daytime highs averaging around 29°C (85°F), creating a warmer environment with an average temperature of 21°C (70°F). April also has slightly more rainfall at 113 mm (4.5 inches) over 11 days, but the humidity is marginally lower at 81%. For those interested in exploring the delightful climate of this period, more can be found at New Orleans weather in April.

In December, the weather tends to be milder with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 26°C (80°F), accompanied by relatively high humidity at 84%. The month sees about 101 mm (4.0 in) of precipitation over 12 rainy days, providing a cool backdrop to the winter season. In contrast, May brings warmer temperatures, with lows around 14°C (58°F) and highs reaching up to 33°C (91°F). The average temperature is noticeably higher at 25°C (77°F), and while May experiences slightly more rainfall at 144 mm (5.7 in) over 13 days, the humidity decreases to 77%. To learn more about the weather specifics during this month, check out New Orleans weather in May.

In December, the weather is considerably cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 26°C (80°F) and an average temperature of 14°C (58°F). The month experiences significant precipitation, totaling 101 mm (4.0 in) across about 12 days, accompanied by high humidity levels at 84%. In contrast, June is much warmer, with temperatures typically ranging from a minimum of 21°C (69°F) to a maximum of 34°C (94°F) and an average of 27°C (81°F). The level of precipitation is also higher at 218 mm (8.6 in) over around 18 days, although humidity is slightly lower at 74%. For more detailed insights into June weather, you can visit New Orleans weather in June.

December and July feature strikingly different weather patterns. In December, temperatures range from a minimum of 3°C (37°F) to a pleasant average of 14°C (58°F), reaching a maximum of 26°C (80°F). The month sees approximately 101 mm (4.0 in) of precipitation over 12 days, accompanied by high humidity levels of 84%. In sharp contrast, July boasts much warmer conditions, with minimum temperatures around 23°C (75°F) and an average of 28°C (83°F), peaking at 34°C (94°F). Additionally, July experiences higher rainfall, totaling 219 mm (8.6 in) across 22 days, though humidity is relatively lower at 74%. For more details on the July weather, you can check out New Orleans weather in July.

When comparing the weather in December and August, significant differences emerge. December experiences milder temperatures with a minimum of 3°C (37°F) and an average of 14°C (58°F), while August boasts much warmer conditions, starting with a minimum of 23°C (74°F) and averaging 28°C (83°F). Precipitation also varies greatly; December sees approximately 101 mm (4.0 in) of rainfall over 12 days, contrasting with August's heavier downpour of 273 mm (10.8 in) across 23 days. Humidity levels in December are quite high at 84%, while they are somewhat lower in August at 73%. For a more detailed look at how August weather shapes up, check out New Orleans weather in August.

December weather is characterized by cooler temperatures, with average highs reaching 26°C (80°F) compared to September's warmer average high of 27°C (80°F). The minimum temperatures in December drop to 3°C (37°F), highlighting a significant shift from September's milder 17°C (64°F). Precipitation is slightly less in December, totaling 101 mm (4.0 in) over 12 days, versus September's 147 mm (5.8 in) over 15 days. Humidity levels in December are higher at 84%, compared to September’s 79%, adding to the cooler, damp feeling of the month. For more information about September's climate, check out New Orleans weather in September.

When comparing the weather in December and October, we see notable differences in temperature and precipitation. December features a cooler temperature range, with a minimum of 3°C (37°F) and a maximum of 26°C (80°F), yielding an average of 14°C (58°F). In contrast, October enjoys warmer conditions, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 32°C (90°F) and an average of 23°C (74°F). In terms of precipitation, December has 101 mm (4.0 in) over 12 days, slightly less than October's 133 mm (5.2 in) rainfall, also over 12 days. Furthermore, December's humidity is higher at 84%, compared to October's 77%. For more details on October weather, you can check out New Orleans weather in October.

December weather shows a notable shift compared to November, featuring slightly cooler minimum temperatures, with lows reaching 3°C (37°F) versus November's 1°C (34°F). While the average temperature in November is warmer at 17°C (62°F), December's average drops to 14°C (58°F). Rainfall increases significantly in December, with 101 mm (4.0 in) over 12 days, compared to November’s 58 mm (2.3 in) across 7 days. Humidity also rises slightly in December to 84%, compared to November's 81%. Overall, December tends to be wetter and a bit cooler, while November offers more pleasant temperatures and fewer rainy days. For more details on November weather, check this link: New Orleans weather in November.

Compare New Orleans's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in New Orleans

As December arrives in New Orleans, the weather takes on a unique character distinct from the warmer months. Chilly nights give way to mild days, with temperatures frequently hovering around a comfortable average. However, don’t forget your umbrella, as December typically sees a notable increase in precipitation, with several rainy days adding to the city's vibrant atmosphere. The high humidity can also make the cooler temperatures feel a bit brisker. This month encapsulates a transitional charm, perfect for experiencing the rich culture and festivities of New Orleans. For more detailed insights, check out New Orleans Climate.