December Weather in Ullapool, United Kingdom

Last updated: March 17, 2025

December in Ullapool, United Kingdom is marked by a captivating blend of winter chill and moisture. With maximum temperatures peaking at 13°C (55°F) and an average hovering around 5°C (42°F), residents and visitors can expect a sharp contrast to the frosty minimums that can drop to -4°C (25°F). The month is characterized by significant precipitation, totaling 176 mm (6.9 in) across a staggering 24 days, contributing to the region's lush landscapes enveloped in a serene humidity level of 86%. This atmospheric combination invites a unique experience of Ullapool's winter charm, where the beauty of the season is beautifully intertwined with its cool, damp climate.

December Temperature in Ullapool

In Ullapool, United Kingdom, December brings a chilly embrace, with temperatures dipping to a minimum of -4°C (25°F). The daytime average hovers around 5°C (42°F), providing a crisp contrast to the festive season. While the highs reach a comfortable 13°C (55°F), the overall trend of the month hints at the lingering chill of winter, reminiscent of January's frigid lows. As the year closes, the temperatures reflect a gradual decline from the milder autumn months, setting the stage for the colder days ahead, making it a picturesque time for cozy winter activities.

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

The chart illustrates December temperature patterns in Ullapool, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414041444953565653494441
Data source: Temperature data for Ullapool 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 Ullapool

In Ullapool, December brings a notable increase in precipitation with an average of 176 mm (6.9 in), marking the month as one of the wettest in the year. This is complemented by 24 rainy days, making December a consistent contributor to the region's annual rainfall. As the year draws to a close, the trend reveals a gradual rise in both the amount of rainfall and the number of wet days, particularly in comparison to earlier months like April and May, which see considerably less precipitation. The steady pattern of rain persists into the winter months, reinforcing Ullapool's reputation for its picturesque, yet often damp, landscapes as the holiday season approaches.

December Precipitation Trends in Ullapool

The chart displays monthly precipitation patterns in Ullapool, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1521291448391101119128165211163176
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ullapool

As December arrives in Ullapool, the air retains a high level of moisture, with humidity settling at 86%. This month experiences a slight dip compared to the preceding November, which boasts the highest humidity of the year at 90%. A notable trend emerges as we move through the year, with humidity gradually increasing from April's 84% to a peak of 89% in both September and October. The slight fluctuation towards December suggests a transition into winter, where chilly temperatures and the festive vibe intertwine with the pervasive dampness. Overall, December's humidity reinforces Ullapool's reputation for a wet and refreshing climate, characteristic of the region throughout the cold months.

December Average Humidity in Ullapool

This chart illustrates the average monthly humidity levels in Ullapool, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%85%84%82%84%88%88%89%90%90%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ullapool

In December, Ullapool experiences a UV Index of 1, indicating a low level of exposure to harmful ultraviolet rays. With a recommended sunburn time of 45 minutes, residents and visitors can comfortably enjoy outdoor activities without the immediate worry of skin damage. This month aligns with trends seen in the preceding months of November and January, where similarly low UV levels prevail. Throughout the year, Ullapool witnesses a seasonal variation in UV exposure, peaking in the summer months, particularly in May through July, when the index reaches highs of 6 and 7. For those planning their outdoor adventures, it's essential to remain informed about these fluctuations. Learn more about the UV levels throughout the year by visiting Ullapool UV Index.

Maximum UV Index Levels in Ullapool for December

The chart shows the monthly maximum UV Index (UVI) for Ullapool 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.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Ullapool 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 Ullapool

In December, Ullapool experiences a significant drop in sunshine hours, with only 73 hours recorded, marking the end of a gradual waning from the previous months. After enjoying the vibrant blooms of summer, characterized by peak sunshine in May and June, when residents basked in over 380 hours of sunlight, the transition into winter brings a stark contrast. The arrival of shorter days in late autumn, notably in November with 111 hours, sets the stage for December’s limited daylight, reflecting a trend of diminishing brightness as the year draws to a close. Despite this decline, the picturesque landscape still offers a unique charm, draped in winter hues, inviting residents and visitors alike to embrace the serene beauty of Ullapool in its quieter, sun-scarce days.

Monthly Sunshine Duration in Ullapool: December Highlighted

The December sunshine duration represents the total number of hours Ullapool 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.
JanFebMarAprMayJunJulAugSepOctNovDec58h141h201h323h381h382h379h357h273h202h111h73h
Data source: Ullapool December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ullapool During December

In December, Ullapool experiences a 19% chance of sunny weather, which is slightly above the winter months but still relatively low compared to the sunnier spring months. As the year winds down, the likelihood of sunshine does not quite reach the levels seen in the early part of the year—specifically in February at 35% and April at 37%. While the dramatic coastal scenery remains captivating, December's overcast skies are a reminder of the region's typical winter gloom. Nevertheless, the occasional burst of winter sunshine can still provide a delightful backdrop to this scenic Scottish village, making each sunny moment in December a cherished surprise.

Percentage of Sunny Days in December in Ullapool

The chart illustrates the percentage of sunny days in Ullapool 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 Ullapool experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%35%16%38%24%21%19%18%16%15%15%19%
Data source: Ullapool December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ullapool in December

As December arrives in Ullapool, the days grow noticeably shorter, with daylight peaking at a mere 6 hours. This gradual decrease in sunlight is part of a distinct seasonal trend, where daylight diminishes from the extended 18 hours found in June, leading into the brisk winters. After a brief resurgence of light in the spring months, which showcase an uplifting 14 hours in April and 16 hours in May, the light quickly fades as autumn sets in. By November, daylight has dwindled again to 7 hours, perfectly paving the way for the darkest month of the year. This dramatic shift from the long, bright days of summer to the fleeting winter sunlight highlights Ullapool's unique seasonal rhythm, inviting both a sense of coziness and contemplation during the dark December days.

Average Daylight Hours in Ullapool for December

The chart illustrates the variation in daylight duration in Ullapool throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 17m9h 23m11h 52m14h 25m16h 43m18h17h 18m15h 11m12h 43m10h 13m7h 53m6h 35m
Data source: Ullapool daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ullapool

As December rolls into Ullapool, the winds pick up slightly, averaging 5.2 m/s (12 mph) this month. While this speed is a refreshing breeze compared to the calmer days of summer, it marks a gradual decline from the stronger gusts experienced in November, which peaked at 6.8 m/s (15 mph). This trend of increasing wind speeds from the start of winter reflects a shift in the seasonal pattern, as Ullapool transitions from the mild breezes of late summer and autumn. Interestingly, December's winds are brisker than those of the preceding months, inviting locals and visitors alike to embrace the invigorating Scottish winter air while enjoying the stunning coastal vistas.

Average December Wind Speed in Ullapool

The chart displays monthly wind speed patterns in Ullapool, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.76.85.74.13.74.53.03.34.45.76.85.2 m/s
Data source: Ullapool December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ullapool Compares to Other Months

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

In December, temperatures range from a chilly -4°C (25°F) to a mild 13°C (55°F), with an average temperature of around 5°C (42°F). This month experiences significant precipitation, totaling 176 mm (6.9 in) over 24 days, contributing to high humidity levels of 86%. In contrast, January sees slightly milder conditions, with minimum temperatures at -3°C (27°F) and the same maximum of 13°C (55°F), while the average temperature dips to 5°C (41°F). Precipitation is reduced to 152 mm (6.0 in), occurring over 18 days, yet humidity remains consistent at 86%. For more detailed information, you can check Ullapool weather in January.

In December, the weather tends to be slightly milder with average temperatures around 5°C (42°F), while February sees a drop in average temperature to 4°C (40°F). Both months experience maximum temperatures that reach around 13°C (55-56°F), but December's minimum temperatures hover at -4°C (25°F), compared to February's cooler -8°C (18°F). Precipitation is more abundant in December, with 176 mm (6.9 in) over 24 days, whereas February receives 129 mm (5.1 in) across 19 days, indicating a relatively drier month. Humidity levels are quite similar, at 86% in December and 85% in February, contributing to the overall dampness typical of this time of year. For more detailed information about February weather in Ullapool, you can check Ullapool weather in February.

December weather is characterized by lower maximum temperatures, reaching only up to 13°C (55°F), while March sees a slight increase, with highs of 15°C (60°F). Both months share similar average temperatures of around 5°C (42°F), and intriguingly, December and March both experience minimum temperatures down to -4°C (25°F) and -4°C (26°F), respectively. Regarding precipitation, December is wetter, with 176 mm (6.9 in) over 24 days compared to March’s 144 mm (5.7 in) over 22 days, leading to a slightly higher humidity level in December at 86%, compared to 85% in March. For a more detailed look at March's weather, visit Ullapool weather in March.

December weather tends to be much colder and wetter than that of April. The average temperature in December hovers around 5°C (42°F), with minimums dipping to -4°C (25°F) and maximums reaching only 13°C (55°F), whereas April sees more moderate conditions with an average of 7°C (45°F), allowing for maximum temperatures of up to 19°C (67°F). Precipitation is also significantly higher in December, with 176 mm (6.9 in) falling over 24 days compared to April's 83 mm (3.3 in) over just 16 days. Humidity levels remain quite similar, with December at 86% and April slightly lower at 84%. For more detailed information about April weather, you can visit Ullapool weather in April.

December weather is characterized by much colder temperatures, with a minimum reaching -4°C (25°F) and an average of 5°C (42°F). It also experiences higher precipitation levels, with 176 mm (6.9 in) spread over 24 days and humidity averaging 86%. In contrast, May brings milder conditions, with temperatures starting at a minimum of 0°C (32°F) and peaking at an average of 9°C (49°F), reaching a maximum of 23°C (73°F). The precipitation in May is significantly lower at 91 mm (3.6 in) across 18 days, and humidity is slightly reduced at 82%. Overall, December's weather is much colder and wetter compared to the more pleasant and warmer conditions of May. For a detailed look at the weather in May, check this link: Ullapool weather in May.

December weather is marked by colder temperatures, with minimums dipping to -4°C (25°F) and averages around 5°C (42°F). In contrast, June enjoys milder warmth, with temperatures starting at a minimum of 3°C (38°F) and averaging 12°C (54°F). While December sees higher precipitation levels at 176 mm (6.9 in) over 24 days, June has a more moderate rainfall of 101 mm (4.0 in) across 19 days. Despite the overall cooler conditions in December, humidity remains relatively high in both months, at 86% in December and slightly lower at 84% in June. For a closer look at the specifics, check out Ullapool weather in June.

When comparing the weather in December and July, there are stark contrasts in temperature and precipitation. In December, temperatures range from a chilly minimum of -4°C (25°F) to a maximum of 13°C (55°F), with an average of 5°C (42°F). The month experiences significant precipitation, with 176 mm (6.9 in) falling over 24 days and high humidity levels at 86%. In contrast, July offers a more temperate climate, with minimum temperatures around 6°C (44°F) and maxima reaching 25°C (78°F), averaging 13°C (57°F). The summer month sees less precipitation, amounting to 119 mm (4.7 in) over 21 days, all while maintaining similar humidity levels at 87%. For more details, check out Ullapool weather in July.

In comparing the weather between December and August, December is characterized by much colder temperatures, with a minimum reaching -4°C (25°F) and an average of 5°C (42°F), while August enjoys milder conditions, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 22°C (72°F). Additionally, December experiences higher precipitation levels at 176 mm (6.9 in) over 24 days, compared to August's 128 mm (5.0 in) spread over 21 days. The humidity remains relatively high in both months, with December at 86% and August at 88%. For more details on August weather specifically, you can visit Ullapool weather in August.

December weather in Ullapool is notably colder than in September, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 13°C (55°F), compared to September's milder range of 3°C (37°F) to 20°C (68°F). Both months experience considerable precipitation, with December receiving 176 mm (6.9 in) over 24 days, while September has slightly less at 165 mm (6.5 in) across 22 days. Humidity levels are relatively high throughout both months, with December at 86% and September slightly higher at 89%. For a closer look at September's climate, you can check out Ullapool weather in September.

In comparing the weather of December and October, December tends to be colder, with minimum temperatures dropping to -4°C (25°F) and an average of around 5°C (42°F), while October features milder conditions with minimums at 1°C (35°F) and averages of 9°C (49°F). Although both months experience significant precipitation, October has slightly higher rainfall at 211 mm (8.3 in) compared to December's 176 mm (6.9 in), spread over an almost equal number of rainy days. Humidity levels are quite similar, with December at 86% and October at 89%. For a closer look at October's weather patterns, you can check out Ullapool weather in October.

In comparing the weather of December to November, we see some notable differences. December tends to be colder, with minimum temperatures dropping to -4°C (25°F) compared to November's milder minimum of -1°C (31°F). The average temperature in December is also slightly lower at 5°C (42°F), while November boasts a warmer average of 7°C (45°F). Precipitation is more frequent in December, occurring on 24 days and accumulating a total of 176 mm (6.9 in), slightly more than November's 163 mm (6.4 in) over 22 days. Humidity levels are also high in both months, but December sees a decrease to 86%, while November is moderately higher at 90%. For more information on November weather specifics, visit Ullapool weather in November.

Compare Ullapool's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ullapool

December in Ullapool brings a stark change from the milder months, with temperatures dipping significantly and a noticeable increase in precipitation. Characterized by its chilly climate, December usually showcases a blend of cold mornings and mild daytime highs, creating a bracing atmosphere ideal for cozy indoor activities. The high humidity and frequent rains contribute to a distinctive winter ambiance, making it one of the wetter months of the year. This shift in weather patterns offers a unique experience for visitors looking to explore Ullapool's stunning winter landscapes. To delve deeper into the seasonal variations, visit Ullapool Climate.