December Weather in Great Glen, United Kingdom

Last updated: March 17, 2025

In December, Great Glen, United Kingdom, transforms into a winter wonderland characterized by cool temperatures and high humidity. The maximum temperature reaches a mild 14°C (58°F), while the average settles around 6°C (42°F), dipping to a chilly minimum of -5°C (23°F) at night. The month witnesses 15 days of rainfall, accumulating to 80 mm (3.1 in), contributing to the region's lush scenery. With humidity levels soaring at 90%, residents and visitors alike experience a brisk and refreshing climate, making December a unique time to explore this picturesque landscape.

December Temperature in Great Glen

As December arrives in Great Glen, United Kingdom, temperatures take a notable dip, with average highs reaching only 14°C (58°F) and lows plummeting to -5°C (23°F). This month marks a transition into the colder season, exhibiting a familiar trend of declining temperatures from the milder autumn months. However, December maintains a balance, with an average temperature of 6°C (42°F), signifying that while winter is settling in, the chill isn't yet at its harshest. This refreshing coolness, complemented by the festive spirit of the season, creates an inviting atmosphere for visitors and residents alike, making December a unique time to experience all that Great Glen has to offer.

December Weather in Great Glen: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Great Glen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404244485460646258524542
Data source: Temperature data for Great Glen 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 Great Glen

In December, Great Glen experiences a notable uptick in precipitation, with an average of 80 mm (3.1 in) falling over the month, which is a substantial increase compared to the previous months. This surge in rainfall is reflected in the number of precipitation days, totaling 15, making December one of the wettest months of the year. The trend shows a consistent increase in precipitation from the earlier months, particularly after the drier April with just 41 mm. Overall, December's weather encapsulates the transition into winter, bringing both increased rain and a cozy, seasonal ambiance to the landscape, setting the stage for the chill of January ahead.

December Precipitation Trends in Great Glen

The chart displays monthly precipitation patterns in Great Glen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec525463416775777862846180
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Great Glen

In December, Great Glen, United Kingdom, experiences a humidity level of 90%, aligning closely with the high humidity trends observed in both January and October. This month sits at the tail end of a gradual ascent from the relative dryness of summer, where humidity dipped to around 76% in July. As winter sets in, humidity levels tend to rise again, peaking in November at 92% before slightly decreasing in December. Overall, the pattern showcases a significant seasonal fluctuation, with the wettest months falling between late autumn and early winter, providing a moist backdrop to the chilly festive season.

December Average Humidity in Great Glen

This chart illustrates the average monthly humidity levels in Great Glen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Great Glen

In December, Great Glen experiences a low UV Index of 1, which means that the risk of harm from unprotected sun exposure is minimal. This trend of lower UV levels continues from November, which saw a slight uptick in exposure to a UV Index of 2, before dropping once again in the winter months. As the year progresses from the sunny highs of June and July, when UV Indexes peak at 8, to the cooler December days, it's clear that sun safety takes on a different meaning during this time. With a burn time of approximately 45 minutes, residents and visitors can enjoy outdoor activities while keeping their skin protected. For more insights on UV levels throughout the year, check out Great Glen UV Index.

Maximum UV Index Levels in Great Glen for December

The chart shows the monthly maximum UV Index (UVI) for Great Glen 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Great Glen 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 Great Glen

In Great Glen, United Kingdom, December brings a gentle retreat of daylight, offering just 102 hours of sunshine—a stark contrast to the luminous days of summer. Following the peak of 384 hours in July, this month sees daylight dwindling as winter's chill sets in. While the sun shines a bit less than in the previous months, it still manages to outshine the dreary gloom of January, which barely gathers 88 hours. This pattern highlights a clear seasonal trend where spring and summer bask in abundant sunshine, while autumn and winter embrace shorter days. December's brief sun breaks are a reminder of nature's cyclical rhythm, inviting residents to savor each moment of light before the long nights of winter envelop the landscape.

Monthly Sunshine Duration in Great Glen: December Highlighted

The December sunshine duration represents the total number of hours Great Glen 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.
JanFebMarAprMayJunJulAugSepOctNovDec88h148h196h303h379h352h384h345h285h227h129h102h
Data source: Great Glen December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Great Glen During December

In Great Glen, United Kingdom, the likelihood of sunny weather in December is a modest 16%, making it one of the cloudier months of the year. As we move through the seasons, it's evident that the chances of sunny days in December decline significantly compared to the more promising skies of spring, where April enjoys a peak of 49% sunshine. Following the brighter months of late spring, the summer and autumn months hover around a 21% to 35% chance. Interestingly, December tends to be a month where the sun plays hide and seek, showcasing a noticeable drop as winter settles in, highlighting the seasonal shift towards chillier and cloudier weather patterns.

Percentage of Sunny Days in December in Great Glen

The chart illustrates the percentage of sunny days in Great Glen 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 Great Glen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%24%24%49%29%24%35%22%29%21%30%16%
Data source: Great Glen December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Great Glen in December

In Great Glen, United Kingdom, the daylight duration in December dwindles to a mere 7 hours, marking the shortest days of the year. This decline in sunlight is part of a seasonal rhythm that peaks in June with 16 hours of daylight, gradually tapering off as the year progresses. As autumn yields to winter, the transition becomes clear: November also offers only 8 hours of light, mirroring the shorter days of early winter. As we look back over the year, it’s evident that daylight extends from just 8 hours in January to a lush 15 hours in May, showcasing a gradual increase that captivates the growing season before shifting back as we embrace the stark beauty of winter. Each month reveals a dance of light, highlighting both the vibrancy of spring and the serene stillness of December's shorter days.

Average Daylight Hours in Great Glen for December

The chart illustrates the variation in daylight duration in Great Glen throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 15m9h 54m11h 54m13h 58m15h 46m16h 43m16h 12m14h 35m12h 36m10h 33m8h 43m7h 44m
Data source: Great Glen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Great Glen

As December arrives in Great Glen, United Kingdom, the winds begin to pick up, averaging 4.9 m/s (11 mph)—a slight increase compared to the calmer summer months. This rise in wind speed aligns with the seasonal shift, as the breezes start to stir more noticeably from the previous months, moving from the gentle 3.1 m/s (7 mph) in July to a steadier flow by the end of the year. Notably, December’s winds are just a touch above the annual average, reflecting a trend of heightened gusts as winter approaches, creating a brisk and invigorating atmosphere perfect for outdoor adventures amid the breathtaking Highland scenery.

Average December Wind Speed in Great Glen

The chart displays monthly wind speed patterns in Great Glen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.55.24.83.54.33.53.14.03.65.14.54.9 m/s
Data source: Great Glen December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Great Glen Compares to Other Months

The weather in Great Glen 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 Great Glen and find detailed weather information for every month.

In December, temperatures typically range from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), with an average temperature of 6°C (42°F). The month experiences a significant amount of precipitation, averaging 80 mm (3.1 in) over about 15 days, while maintaining high humidity levels at 90%. In contrast, January sees a slight dip in average temperature to 4°C (40°F), although the maximum remains consistent at 14°C (57°F). Precipitation is also reduced to 52 mm (2.0 in), occurring over fewer days (10), while humidity remains at 90%. For more details on January weather, you can visit Great Glen weather in January.

In December, temperatures range from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), with an average of 6°C (42°F). The month experiences considerable rainfall, with approximately 80 mm (3.1 in) of precipitation over about 15 days, contributing to high humidity levels around 90%. In contrast, February sees slightly milder conditions, with temperatures again dropping to -5°C (23°F) but peaking at 18°C (64°F) and averaging 5°C (42°F). Precipitation decreases to about 54 mm (2.1 in) over 11 days, and humidity remains relatively high at 88%. For more detailed information about February weather, you can visit Great Glen weather in February.

In December, temperatures typically range from a chilly minimum of -5°C (23°F) to a maximum of 14°C (58°F), with an average of 6°C (42°F). The month sees significant precipitation, totaling 80 mm (3.1 in) over approximately 15 days, and high humidity levels at 90%. In contrast, March experiences slightly colder conditions at the lower end, with a minimum of -7°C (19°F), but it warms up to an average of 7°C (44°F) and can peak at 21°C (70°F). Precipitation is lower in March, amounting to 63 mm (2.5 in) spread over 13 days, and humidity is marginally less at 86%. For more detailed insights on March weather, you can check Great Glen weather in March.

December and April showcase contrasting weather patterns, each with its unique characteristics. In December, temperatures typically range from a chilly -5°C (23°F) to a milder 14°C (58°F), with an average of 6°C (42°F). This month sees a significant amount of precipitation, totaling 80 mm (3.1 in) over about 15 days, accompanied by high humidity levels of 90%. In contrast, April experiences warmer temperatures, with a minimum of -2°C (29°F) and a maximum of 26°C (79°F), averaging around 9°C (48°F). The month is noticeably drier, with only 41 mm (1.6 in) of precipitation occurring over 8 days and lower humidity at 84%. For a more detailed look at April's weather, check out Great Glen weather in April.

December and May present distinctly contrasting weather conditions. In December, temperatures range from a chilly minimum of -5°C (23°F) to a mild maximum of 14°C (58°F), with an average of 6°C (42°F). This month sees a higher level of humidity at 90% and considerable precipitation, averaging 80 mm (3.1 in) over about 15 days. Conversely, May brings a more temperate climate, featuring temps from 0°C (32°F) to a pleasant 26°C (79°F), with an average temperature of 12°C (54°F). Although May has slightly less precipitation at 67 mm (2.6 in) spread across 12 days, it also enjoys lower humidity levels at 80%. For more details on the weather in May, check out this link: Great Glen weather in May.

When comparing the weather in December and June, notable differences emerge in temperature and overall conditions. December experiences colder temperatures, ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), and is characterized by higher humidity at 90%. In contrast, June presents a much milder climate, with temperatures varying from 6°C (43°F) to a warm maximum of 30°C (87°F) and lower humidity levels at 81%. While December sees about 80 mm (3.1 in) of precipitation over 15 days, June has slightly less rainfall at 74 mm (2.9 in) across 11 days, suggesting a generally drier atmosphere for summer activities. For more detailed information, you can check Great Glen weather in June.

December weather is characterized by much colder temperatures, with a minimum of -5°C (23°F) and an average of 6°C (42°F), while July enjoys warmer conditions, featuring a minimum of 6°C (44°F) and an average of 18°C (64°F). The maximum temperatures in December reach 14°C (58°F), far lower than the sweltering highs of 36°C (97°F) in July. Despite similar levels of precipitation, with December at 80 mm (3.1 in) across 15 days and July at 77 mm (3.0 in) over 13 days, December's higher humidity of 90% makes it feel chillier compared to July's more comfortable 76%. For more details about July weather specifically, you can check Great Glen weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures range from a chilly -5°C (23°F) at night to a mild 14°C (58°F) during the day, accompanied by high humidity levels of 90%. With 80 mm of precipitation spread over 15 days, the month often feels damp and cold. In contrast, August offers a warm and inviting climate, with minimum temperatures of 8°C (46°F) and maximums soaring up to 34°C (93°F), along with an average of 17°C (63°F). With only 78 mm of precipitation over 13 days and lower humidity at 77%, August feels much drier and sunnier. For those interested in more details, visit Great Glen weather in August.

December weather is characterized by much colder temperatures, with a minimum of -5°C (23°F) and an average of 6°C (42°F), compared to September, which boasts a milder minimum of 3°C (37°F) and an average of 14°C (58°F). While December experiences higher humidity at 90%, it also sees more precipitation, totaling 80 mm (3.1 in) over 15 days. In contrast, September is relatively drier, receiving 62 mm (2.5 in) over 10 days, making it a more pleasant month overall. For a detailed look at weather conditions, visit Great Glen weather in September.

In December, the weather takes a notable turn with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), making it significantly colder than October, which enjoys more moderate averages between 0°C (32°F) and 23°C (73°F). Precipitation levels are quite similar, with December recording 80 mm (3.1 in) over 15 days, compared to October's 84 mm (3.3 in) across 12 days. Both months share a high humidity level of around 90%, though the biting cold of December contrasts sharply with the relatively mild and pleasant temperatures of October, as highlighted in the information at Great Glen weather in October.

In comparing December and November weather, December tends to be slightly colder, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), while November sees milder temperatures with a minimum of -2°C (28°F) and a maximum of 17°C (63°F). Additionally, December experiences more precipitation, totaling 80 mm (3.1 in) over 15 days, compared to November's 61 mm (2.4 in) across 12 days. Humidity levels are similar, remaining high with December at 90% and November slightly higher at 92%. For a more detailed look at November's conditions, check out Great Glen weather in November.

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Conclusion: What to Expect From December Weather in Great Glen

As December envelops Great Glen, the weather transforms into a distinct winter experience, characterized by cooler temperatures and increased precipitation compared to the preceding months. With maximums averaging around 14°C and lows plunging to -5°C, it marks a significant dip that ushers in the chilly embrace of winter. The month witnesses about 15 days of rain, contributing to an elevated humidity level of 90%, creating a damp but invigorating atmosphere. These conditions set December apart, casting the landscape in a serene, frosty charm ideal for cozy escapes and winter adventures. For a deeper dive into seasonal trends, visit Great Glen Climate.