December Weather in Mallaig, United Kingdom

Last updated: March 17, 2025

December in Mallaig, United Kingdom brings a chill to the air, with maximum temperatures reaching 11°C (52°F) and averaging around 5°C (42°F). Winter’s grip is evident as temperatures can drop to a brisk -4°C (25°F), while humidity levels hover at a damp 86%. Rainfall is frequent, accumulating to a significant 264 mm (10.4 in) across 24 days, making it one of the wettest months of the year. Despite the dreary weather, Mallaig retains its charm, inviting visitors to experience its stunning coastal landscapes under a moody winter sky.

December Temperature in Mallaig

In December, Mallaig, United Kingdom, experiences a notable shift as winter sets in. The temperatures range from a chilly -4°C (25°F) at night to a mild 11°C (52°F) during the day, with an average hovering around 5°C (42°F). This pattern indicates that although the town is gripped by winter, the daytime temperatures are relatively moderate compared to the full winter chill—reflective of a gradual cooling trend from the previous months. As the year draws to a close, the atmosphere is marked by crisp air and the occasional frost, inviting both locals and visitors to embrace the unique charm of Mallaig in the festive season.

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

The chart illustrates December temperature patterns in Mallaig, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414042454954565654494542
Data source: Temperature data for Mallaig 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 Mallaig

December in Mallaig, United Kingdom, marks the peak of the wet season, with precipitation reaching 264 mm (10.4 in) across 24 rainy days. This substantial rainfall is part of a persistent trend observed throughout the winter months, where the region experiences consistently high precipitation levels following the wetter autumn. Notably, December's rainfall is higher than that of November's 243 mm, indicating a potential escalation in winter storms. As the year draws to a close, Mallaig’s landscape is often transformed, showcasing the raw beauty of a coastal town blanketed in moody clouds and frequent showers, a hallmark of its maritime climate.

December Precipitation Trends in Mallaig

The chart displays monthly precipitation patterns in Mallaig, 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.
JanFebMarAprMayJunJulAugSepOctNovDec21724122690107156175218254358243264
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mallaig

As December arrives in Mallaig, the humidity remains notably high at 86%, reflecting a trend of moisture-laden air as winter sets in. The past months have shown a gradual increase in humidity, peaking in November at 90%, and this slight decline into December aligns with the seasonal shift. Interestingly, while humidity generally hovers around the mid to upper 80s throughout the winter months, it often escalates in late summer, reaching its zenith in August at 88%. This consistent high humidity, particularly in the latter half of the year, underscores Mallaig's coastal climate, characterized by damp and cool conditions that linger through the holiday season.

December Average Humidity in Mallaig

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

In December, Mallaig experiences a low UV Index of 1, similar to January and November, which means outdoor enthusiasts can enjoy longer sun exposure without significant risk of sunburn—about 45 minutes is safe for most skin types. This pattern reflects a consistent trend during the winter months, where the UV Index generally dips, offering a respite from the intense sun exposure of the summer. As we move from the high readings in June and July back to this low level, it's a reminder to take advantage of the crisp winter air while keeping sun safety in mind. For more detailed information on UV levels throughout the year, check out the Mallaig UV Index.

Maximum UV Index Levels in Mallaig for December

The chart shows the monthly maximum UV Index (UVI) for Mallaig 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568765311
Data source: Mallaig 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 Mallaig

In Mallaig, United Kingdom, December is a month where daylight makes its gradual exit, offering just 57 hours of sunshine, the year's lowest. The steady rhythm of the seasons is clear as the year unfolds: from a timid 50 hours in January, the sun begins to shine brighter, peaking in the spring with an impressive 359 hours in May. As summer progresses into July and August, sunshine remains abundant, with hours hovering around 348 and 321, respectively. However, the light starts to wane as autumn approaches, with September and October seeing a notable decline, culminating in December's dim glow. This seasonal ebb and flow not only shapes the beauty of Mallaig’s landscape but also hints at the opportunities and challenges of life in such a striking coastal locale.

Monthly Sunshine Duration in Mallaig: December Highlighted

The December sunshine duration represents the total number of hours Mallaig 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.
JanFebMarAprMayJunJulAugSepOctNovDec50h115h165h307h359h352h348h321h244h182h101h57h
Data source: Mallaig December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mallaig During December

In Mallaig, the likelihood of sunny weather in December is relatively low, with only 15% of days typically featuring sunshine. This trend continues the pattern observed in the months leading up to December, where October and November hover around 12% and 17% respectively, indicating a gradual decline in sunny days as winter approaches. Notably, the sunniest month of the year is April at 43%, showcasing a stark contrast to the gloomier winter months. As temperatures drop, residents should prepare for predominantly overcast skies, making any burst of sunshine in December a rare and appreciated treat.

Percentage of Sunny Days in December in Mallaig

The chart illustrates the percentage of sunny days in Mallaig 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 Mallaig experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%28%14%43%29%22%21%25%16%12%17%15%
Data source: Mallaig December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mallaig in December

As December descends on Mallaig, United Kingdom, the days grow shorter, with daylight dwindling to just 6 hours. This is part of a clear trend throughout the winter months, as the region transitions from the long, sun-drenched days of summer, where hours of daylight peak at an impressive 17 hours in June and July. Following this zenith, daylight hours gradually taper off, diminishing significantly come November, which sees 8 hours before plummeting into the depths of winter. By the time December arrives, the fading light casts a serene atmosphere over the landscape, reminding us of the cyclical nature of the seasons where each month brings its own distinct charm.

Average Daylight Hours in Mallaig for December

The chart illustrates the variation in daylight duration in Mallaig throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 28m9h 29m11h 53m14h 20m16h 32m17h 45m17h 5m15h 4m12h 42m10h 16m8h 3m6h 48m
Data source: Mallaig daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Mallaig

As December settles over Mallaig, the wind picks up slightly to an average speed of 4.7 m/s (11 mph), marking a notable shift in the seasonal breeze. While the winter month doesn't see the strongest gusts of the year, it maintains a consistent momentum that echoes the average patterns of earlier months. Interestingly, December's wind speed is a gentle continuation from November's 5.9 m/s (13 mph), reflecting a slight dip typical of the transition into winter. This trend reveals that, after the peak winds of late autumn, the chilly December air carries a steadier, albeit brisk, current, inviting locals and visitors alike to appreciate the invigorating coastal atmosphere.

Average December Wind Speed in Mallaig

The chart displays monthly wind speed patterns in Mallaig, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.26.44.83.93.74.12.53.04.05.15.94.7 m/s
Data source: Mallaig December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Mallaig Compares to Other Months

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

In December, the weather often sees a minimum temperature of -4°C (25°F) and an average temperature of around 5°C (42°F), while the maximum can reach 11°C (52°F). This month is characterized by substantial precipitation, totaling 264 mm (10.4 in) over approximately 24 days, and a high humidity level of 86%.

In contrast, January experiences slightly milder temperatures, with a minimum of -3°C (27°F), maintaining an average of 5°C (41°F) and a maximum of 12°C (53°F). Precipitation also decreases to 217 mm (8.6 in) over 19 days, while humidity remains consistent at 86%.

For more detailed weather information, you can refer to Mallaig weather in January.

In December, the weather tends to be cold with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 11°C (52°F), accompanied by significant precipitation of 264 mm (10.4 in) over 24 days and a high humidity level of 86%. In contrast, February sees slightly colder conditions, with a minimum temperature of -5°C (24°F) and a maximum of 12°C (53°F). Precipitation decreases to 241 mm (9.5 in) spread across 20 days, and humidity remains relatively stable at 85%. For a detailed look at February weather, you can visit Mallaig weather in February.

In December, temperatures can drop to a minimum of -4°C (25°F) while averaging around 5°C (42°F) and peaking at 11°C (52°F). This month also sees significant precipitation, with about 264 mm (10.4 in) falling over 24 days, amidst a humidity level of 86%. In contrast, March experiences a similar minimum temperature of -4°C (25°F) but offers a slightly warmer maximum of 14°C (58°F), resulting in an average of 5°C (42°F) as well. Rainfall decreases to 226 mm (8.9 in) over 22 days, accompanied by a marginally lower humidity of 85%. For more detailed insights about March weather in Mallaig, you can check Mallaig weather in March.

In December, temperatures can drop as low as -4°C (25°F), with average highs reaching only 11°C (52°F). The month experiences significant precipitation, totaling 264 mm (10.4 in) over 24 days, and the humidity remains high at 86%. In contrast, April brings milder weather with minimum temperatures around -1°C (31°F) and maximums rising to 18°C (64°F). Precipitation in April is much lower at 90 mm (3.5 in), spread over 15 days, and the humidity is slightly reduced at 84%. For a closer look at April weather in Mallaig, check here: Mallaig weather in April.

December and May present distinctly different weather patterns. In December, temperatures are quite chilly, ranging from a minimum of -4°C (25°F) to a maximum of 11°C (52°F), with an average of 5°C (42°F). This month also experiences high precipitation of 264 mm (10.4 in) across 24 days, alongside elevated humidity levels at 86%. In contrast, May brings milder temperatures, with a minimum of 2°C (35°F) and a maximum of 21°C (69°F), resulting in a more comfortable average of 10°C (50°F). Precipitation drops significantly to 107 mm (4.2 in) over 16 days, with slightly lower humidity at 82%. For more detailed weather insights, you can refer to Mallaig weather in May.

December and June present contrasting weather experiences. In December, temperatures can dip as low as -4°C (25°F), hovering around an average of 5°C (42°F) with a maximum of 11°C (52°F). The month is marked by high precipitation levels of 264 mm (10.4 in) over 24 days, contributing to an overall humidity of 86%. In stark contrast, June sees warmer temperatures, with a minimum of 5°C (41°F), an average of 12°C (54°F), and a maximum of 21°C (71°F). Precipitation during this month is considerably lower at 156 mm (6.1 in) over 19 days, and humidity remains slightly less at 84%. For more details, you can check Mallaig weather in June.

December and July present stark contrasts in weather. While December experiences chilly temperatures, with minimums dropping to -4°C (25°F) and an average of 5°C (42°F), July boasts much milder conditions, ranging from a minimum of 7°C (46°F) to an average of 14°C (57°F). Precipitation is more abundant in December, totaling 264 mm (10.4 in) over 24 days, compared to July's 175 mm (6.9 in) across 21 days. Despite the slightly higher humidity in July at 87%, December's humidity remains notably high at 86%, contributing to its damp, cold feel. For a closer look at July's weather, you can visit Mallaig weather in July.

December and August present contrasting weather experiences. December's temperatures range from a chilly -4°C (25°F) to a mild 11°C (52°F), with an average of 5°C (42°F), while August enjoys milder conditions with temperatures varying from 8°C (47°F) to a comfortable 21°C (70°F) and an average of 14°C (57°F). Precipitation is notably higher in December, totaling 264 mm (10.4 in) over 24 days, compared to August's 218 mm (8.6 in) over 23 days, contributing to a damp and humid atmosphere in both months, with humidity levels at 86% in December and slightly higher at 88% in August. For more detailed information, you can check Mallaig weather in August.

In December, temperatures are notably colder, with a minimum of -4°C (25°F) and an average of 5°C (42°F), compared to September, which enjoys milder temperatures ranging from a minimum of 4°C (39°F) to an average of 12°C (54°F). While both months experience significant precipitation, December sees slightly higher rainfall at 264 mm (10.4 in) over 24 days, compared to September's 254 mm (10.0 in) across 21 days. Humidity levels remain high in both months, with December at 86% and September slightly higher at 89%. For more details on September's weather, check Mallaig weather in September.

Comparing the weather in December and October reveals distinct differences. In October, temperatures are milder, with a minimum of 2°C (35°F), an average of 10°C (50°F), and a maximum of 17°C (63°F). Additionally, October sees higher precipitation levels at 358 mm (14.1 in) over 24 days, contributing to a humidity level of 89%. In contrast, December experiences colder temperatures, ranging from a minimum of -4°C (25°F) to an average of 5°C (42°F) and a maximum of 11°C (52°F). While December has slightly less precipitation at 264 mm (10.4 in), the humidity remains high at 86%. For more detailed information, you can visit Mallaig weather in October.

December's weather is generally colder than November's, with average temperatures dipping to 5°C (42°F) compared to November's average of 7°C (45°F). The minimum temperatures in December reach as low as -4°C (25°F), while November experiences a milder minimum of -1°C (31°F). Additionally, December sees a significant amount of precipitation, totaling 264 mm (10.4 in) over 24 days, slightly surpassing November's 243 mm (9.6 in) over 22 days. Humidity remains high in both months, although December averages 86% compared to November's 90%. For further details, you can check Mallaig weather in November.

Compare Mallaig's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Mallaig

December in Mallaig unveils a chilly embrace as temperatures dip significantly compared to the milder months earlier in the year. With an average temperature of 5°C and the chance of frost on the coldest nights, outdoor adventures become a brisk endeavor. The increased precipitation, with around 24 wet days, adds a dramatic touch to the landscape, transforming the scenery into a moody, atmospheric wonderland. Moreover, the high humidity of 86% can make the air feel even cooler, urging visitors to bundle up more than usual. Those drawn to the rugged beauty of Mallaig in winter will find a unique charm, but should prepare for the weather's distinct bite. To learn more about the annual patterns, visit Mallaig Climate.