December Weather in Lookout Mountain, United States

Last updated: February 24, 2025

In December, Lookout Mountain, United States, experiences a captivating winter climate characterized by temperatures that range from a maximum of 23°C (73°F) to a minimum of -8°C (18°F), with an average hovering around 8°C (46°F). This month sees 139 mm (5.5 in) of precipitation spread across approximately 10 days, contributing to the area's lush scenery. The humidity levels peak at a notable 88%, adding a crisp freshness to the air. Whether you're embracing the tranquil beauty of a snowy landscape or seeking the thrill of winter activities, December offers a unique blend of conditions that highlight the charm of Lookout Mountain during this festive season.

December Temperature in Lookout Mountain

In December, Lookout Mountain ushers in a chilly ambiance as temperatures dip, showcasing the region's winter allure. The month typically experiences a minimum temperature around -8°C (18°F), with an average hovering at 8°C (46°F), and reaching a maximum of about 23°C (73°F). This reflects a notable trend from the cooler late autumn months of November, where temperatures were slightly warmer, demonstrating a gradual descent into winter. With the colder days, the enchanting landscape transforms, inviting visitors to enjoy the crisp air and serene beauty of the season while preparing for the frosty chill of the year ahead. The shift to December establishes a clear transition into winter, promising a unique experience for both nature lovers and adventure seekers alike.

December Weather in Lookout Mountain: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lookout Mountain, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434854607076797874645046
Data source: Temperature data for Lookout Mountain 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 Lookout Mountain

December in Lookout Mountain sees a noteworthy precipitation level of 139 mm (5.5 in), marking a significant uptick that reflects the winter’s onset. Spanning 10 days of rainfall, this month contributes to a wetter end of the year, following November's drier spell with only 72 mm (2.8 in) over the same number of days. The winter months typically show increased precipitation, and December is no exception, showcasing a transition from autumn's milder rains to the more torrential downpours often associated with the season. As the landscape transforms under winter's grip, December’s moderate rain helps to rejuvenate the region, ensuring that Lookout Mountain remains lush even during the colder months.

December Precipitation Trends in Lookout Mountain

The chart displays monthly precipitation patterns in Lookout Mountain, 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.
JanFebMarAprMayJunJulAugSepOctNovDec991711691569612010612110613372139
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lookout Mountain

December in Lookout Mountain, United States, ushers in a slight rise in humidity, reaching 88%, which is among the highest for the year, just edging out the preceding months of January and November. This increase reflects the region's tendency for higher humidity levels during the winter months, with a notable drop in humidity observed from late summer through early autumn, peaking at a low of 64% in September. The transition from 64% in September to December’s 88% highlights a pronounced seasonal shift, illustrating Lookout Mountain's unique climate rhythms as it bids farewell to the dry months and embraces the cooler, more humid days of winter. Overall, December exemplifies a return to the moisture-laden conditions characteristic of the area during the winter.

December Average Humidity in Lookout Mountain

This chart illustrates the average monthly humidity levels in Lookout Mountain, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lookout Mountain

As December arrives in Lookout Mountain, the UV Index dips to a moderate level of 3, indicating a more forgiving sun compared to earlier months. This decrease in UV rays reflects a trend typical of winter, where burn times extend to 30 minutes before protection becomes necessary. Unlike the extreme levels witnessed from May to July, December invites residents and visitors to enjoy outdoor activities with less urgency for sunblock, although it's still wise to remain cautious. It's an excellent time to bask in the natural beauty of the area without the intensity of summer's rays. For more detailed information, check out the Lookout Mountain UV Index.

Maximum UV Index Levels in Lookout Mountain for December

The chart shows the monthly maximum UV Index (UVI) for Lookout Mountain 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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
Data source: Lookout Mountain 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 Lookout Mountain

As the year winds down, December in Lookout Mountain offers a delightful contrast to the vibrant summer months, with 168 hours of sunshine illuminating the landscape. While this figure is lower than the summer peaks—where July basks in 317 hours of radiant light—it still provides a cozy ambiance amid the winter chill. The trend showcases a gradual decline in sunshine hours as the seasons shift, starting from the robust sunshine of 302 hours in May down to December's softer glow. This descent highlights a serene transition into the colder months, inviting residents and visitors alike to savor the unique charm of Lookout Mountain's winter skies. As the year wraps up, December brings a tranquil yet nourishing light that continues to endear this picturesque location throughout the year.

Monthly Sunshine Duration in Lookout Mountain: December Highlighted

The December sunshine duration represents the total number of hours Lookout Mountain 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.
JanFebMarAprMayJunJulAugSepOctNovDec146h153h217h265h302h300h317h305h276h253h226h168h
Data source: Lookout Mountain December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lookout Mountain During December

In December, Lookout Mountain experiences a 37% chance of sunny weather, slightly below the seasonal average for the month. This month reflects the tail end of a trend where sunny days are more prevalent in the late fall, peaking at 57% in November. As the year transitions into winter, the likelihood of sunshine dips modestly, mirroring the fluctuations seen throughout the year, particularly in months like May and October, which also hover around the 30% to 40% range. Overall, while December is not the sunniest month, it maintains a fair opportunity for clear skies amidst the onset of colder weather.

Percentage of Sunny Days in December in Lookout Mountain

The chart illustrates the percentage of sunny days in Lookout Mountain 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 Lookout Mountain experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%38%36%52%31%37%39%35%49%36%57%37%
Data source: Lookout Mountain December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lookout Mountain in December

In Lookout Mountain, December marks the transition into the winter months, where daylight begins to wane, offering only 9 hours of sunlight—a noticeable shift from the brighter days of summer. As the year progresses from January’s consistent 10 hours of daylight through the longer days of June and July, nature slowly retreats into the darker months. February maintains the same daylight as January, while March sees a slight increase, hinting at the arrival of spring. However, by November, daylight once again dwindles to 10 hours, leading into December's early sunsets. This cyclical rhythm illustrates the region's seasonal variation, inviting residents to embrace the cozy charms of winter.

Average Daylight Hours in Lookout Mountain for December

The chart illustrates the variation in daylight duration in Lookout Mountain throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 5m10h 55m11h 59m13h 5m14h14h 27m14h 12m13h 23m12h 20m11h 15m10h 18m9h 49m
Data source: Lookout Mountain daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Lookout Mountain

As December settles in over Lookout Mountain, the average wind speed picks up slightly to 2.7 m/s (6 mph), mirroring the gentle breezes of late winter. This month marks a subtle resurgence compared to the calmer summer months, where winds dipped to a meandering 1.6 m/s (4 mph) in August and held steady at similar low speeds through July and September. Interestingly, December's winds are more in line with the early months of the year, as January and February also saw averages of 2.5 m/s and 2.7 m/s, respectively. This late-year uptick suggests a return to cooler, crisper weather that invites both adventure and contemplation on the mountain, encapsulating the season's transition in a whisper of wind.

Average December Wind Speed in Lookout Mountain

The chart displays monthly wind speed patterns in Lookout Mountain, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.72.82.52.42.11.81.61.82.12.32.7 m/s
Data source: Lookout Mountain December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Lookout Mountain Compares to Other Months

The weather in Lookout Mountain 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 Lookout Mountain and find detailed weather information for every month.

December and January present a gradual shift in weather conditions. While December experiences minimum temperatures around -8°C (18°F) and a pleasant average of 8°C (46°F), January dips even lower with minimums reaching -13°C (9°F). Despite both months having similar maximum temperatures, with January peaking at 24°C (75°F) slightly higher than December's 23°C (73°F), January typically features slightly less precipitation at 99 mm (3.9 in) compared to December's 139 mm (5.5 in). Humidity levels remain quite comparable, hovering around 88% in December and 87% in January. For more specific details on January weather, visit Lookout Mountain weather in January.

December and February exhibit similar winter weather patterns, though February tends to be slightly warmer. In December, temperatures range from a minimum of -8°C (18°F) to a maximum of 23°C (73°F), with an average of 8°C (46°F) and 139 mm (5.5 in) of precipitation over 10 days. In contrast, February witnesses a minimum of -7°C (20°F) and peaks at 26°C (79°F), with an average of 9°C (48°F) and increased precipitation of 171 mm (6.7 in) spread across 14 days. Despite these similarities, February also sustains a slightly lower humidity level at 87%, compared to 88% in December. For more detailed information, you can visit Lookout Mountain weather in February.

In comparing the weather of December and March, we see notable differences in temperature and precipitation patterns. December tends to be chillier, with average temperatures hovering around 8°C (46°F) and nighttime lows reaching as low as -8°C (18°F). March, on the other hand, brings a slight warming trend, featuring an average temperature of 12°C (54°F) and maximums soaring to 29°C (84°F).

Precipitation is more frequent in March, with 169 mm (6.7 in) falling over 13 days, compared to December's 139 mm (5.5 in) over 10 days. Additionally, while December is marked by higher humidity at 88%, March sees a slightly lower level of 85%. For a more detailed view of the conditions in March, you can visit Lookout Mountain weather in March.

In December, temperatures can range from a chilly minimum of -8°C (18°F) to a pleasant maximum of 23°C (73°F), with an average around 8°C (46°F). The month typically sees about 139 mm (5.5 in) of precipitation over approximately 10 days, and humidity levels tend to be quite high at 88%. In contrast, April brings a marked warming trend, with minimum temperatures of -1°C (30°F) and a maximum reaching up to a summery 30°C (87°F), averaging 16°C (60°F). Although April experiences slightly more precipitation, totaling 156 mm (6.2 in) over the same number of days, humidity drops to 82%, providing a fresher feel. For those interested in specific details about conditions during this time, you can check out Lookout Mountain weather in April.

December and May present contrasting weather experiences. In December, temperatures can plummet to a minimum of -8°C (18°F) and typically average around 8°C (46°F), with maximum highs reaching 23°C (73°F). This month is characterized by significant precipitation totaling 139 mm (5.5 in) over about 10 days, coupled with high humidity levels of 88%.

In stark comparison, May boasts milder conditions with a minimum temperature of 4°C (39°F) and an average of 21°C (70°F), peaking at a comfortable 34°C (93°F). Although precipitation is also experienced over 10 days, it is less intense at 96 mm (3.8 in), and humidity is slightly lower at 83%. For more detailed information on the weather conditions in this month, check out Lookout Mountain weather in May.

When comparing the weather in December and June, it's evident that they offer vastly different experiences. December sees colder temperatures with a minimum of -8°C (18°F) and an average of 8°C (46°F), while June boasts much warmer conditions, with temperatures ranging from a minimum of 11°C (51°F) to an average of 24°C (76°F). Precipitation is relatively similar, with December receiving 139 mm (5.5 in) over 10 days compared to June's 120 mm (4.7 in) spread across 13 days. Humidity levels also show some contrast, with December averaging at 88% versus June's 82%. For a closer look at the June weather, you can visit Lookout Mountain weather in June.

December and July present striking contrasts in weather conditions. In December, temperatures can drop as low as -8°C (18°F), with an average of around 8°C (46°F) and highs reaching up to 23°C (73°F). The month is characterized by high humidity levels at 88% and significant precipitation, averaging 139 mm (5.5 in) over approximately 10 days. In comparison, July experiences much warmer weather, with minimum temperatures of 16°C (61°F), an average of 26°C (80°F), and highs soaring up to 37°C (98°F). The month sees lower humidity at 78% and slightly less precipitation, totaling 106 mm (4.2 in) across 14 days. For further details on July's specific weather conditions, you can refer to Lookout Mountain weather in July.

In December, the weather tends to be much colder, with temperatures ranging from a chilly -8°C (18°F) at night to a mild 23°C (73°F) during the day, making for a significant drop compared to the warm temperatures of August, which enjoy a more comfortable range from 15°C (60°F) to a high of 35°C (96°F). December also experiences higher humidity at 88% and more precipitation, totaling 139 mm (5.5 in) over about 10 days, while August sees slightly less rain at 121 mm (4.8 in), albeit over 14 days. For a more detailed look at the conditions during August, check out Lookout Mountain weather in August.

December and September offer strikingly different weather patterns. In December, temperatures range from a chilly minimum of -8°C (18°F) to a mild maximum of 23°C (73°F), with an average of 8°C (46°F). The month is characterized by higher humidity at 88% and considerable precipitation, totaling 139 mm (5.5 in) over approximately 10 days. In contrast, September sees much warmer temperatures, with a minimum of 9°C (48°F) and a peak reaching 37°C (98°F), averaging 24°C (75°F). This month experiences lower humidity at 64% and slightly less precipitation, accumulating 106 mm (4.2 in) over about 8 days. For a detailed look at the nuances of September weather, check out Lookout Mountain weather in September.

In December, temperatures drop significantly, with a minimum of -8°C (18°F) compared to October's milder minimum of -2°C (29°F). The average temperature in December is also lower at 8°C (46°F), while October enjoys a warmer average of 18°C (65°F). Maximum temperatures in December reach 23°C (73°F), a stark contrast to the scorching highs of 37°C (99°F) experienced in October. Precipitation levels are similar, with December recording 139 mm (5.5 in) and October at 133 mm (5.2 in), both spread over about 10 days. Additionally, December has higher humidity at 88% compared to October's 74%. For more detailed insights into October weather, check out Lookout Mountain weather in October.

December weather is characterized by lower average temperatures compared to November, with a minimum of -8°C (18°F) and a maximum of 23°C (73°F), while November sees slightly milder temperatures, ranging from -6°C (21°F) to a maximum of 26°C (79°F). Additionally, December experiences significantly higher precipitation levels at 139 mm (5.5 in) over 10 days, compared to November's 72 mm (2.8 in) across 8 days. Humidity levels remain similar, with December at 88% and November at 87%. For more detailed insights on November weather, you can visit Lookout Mountain weather in November.

Compare Lookout Mountain's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Lookout Mountain

As December settles over Lookout Mountain, the weather offers a striking contrast to the rest of the year. Typically cooler than previous months, this time brings a blend of chilly temperatures and increased precipitation, with notable humidity levels making the air feel crisp. The frequent rain—spanning about a third of the month—provides a refreshing change from the drier conditions of autumn. Despite the colder days, December's stunning winter vistas and the hushed beauty of the landscape create an enchanting atmosphere that beckons visitors to explore. For a detailed overview of what to expect year-round, visit Lookout Mountain Climate.