December Weather in Dunoon, United Kingdom

Last updated: March 17, 2025

December in Dunoon, United Kingdom, showcases a cool maritime climate characterized by average temperatures around 5°C (42°F). The month sees peaks of up to 12°C (55°F), but nighttime can plunge to a chilly -5°C (23°F). Frequent precipitation is a hallmark of this winter month, with the area receiving 167 mm (6.6 in) of rain over 19 days, resulting in a humid atmosphere with an average humidity level of 86%. Visitors and residents alike can expect a damp and brisk experience, perfect for cozy indoor activities while enjoying the occasional brisk outdoor stroll.

December Temperature in Dunoon

In December, Dunoon experiences the onset of winter with temperatures reflecting a chill in the air. The month sees minimums dipping to -5°C (23°F), providing a frosty backdrop that heralds the holiday season. Average temperatures hover around 5°C (42°F), while daytime highs reach up to 12°C (55°F)—not extraordinarily cold, yet a stark contrast to the milder months preceding it. This delightful drop signifies a transition into the colder months, aligning with the typical patterns of late autumn and early winter in the region. As the year draws to a close, the crisp air and potential for a dusting of snow create a picturesque winter scene, leaving residents and visitors alike captivated by Dunoon's seasonal charm.

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

The chart illustrates December temperature patterns in Dunoon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414143465156595855504541
Data source: Temperature data for Dunoon 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 Dunoon

In December, Dunoon experiences a notable 167 mm (6.6 in) of precipitation, falling just short of the previous month's 163 mm (6.4 in). With 19 days of rainfall, December shares a similar pattern to November, indicating a consistent wet spell as the year draws to a close. This trend mirrors the overall characteristic of the region throughout the autumn months, where precipitation peaks, particularly in October with its impressive 205 mm (8.1 in). As winter settles in, the persistent rain underscores Dunoon’s maritime climate, bringing a chill to the air and enhancing the lush landscapes this coastal town is known for.

December Precipitation Trends in Dunoon

The chart displays monthly precipitation patterns in Dunoon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1221871496281133120171140205163167
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Dunoon

In December, Dunoon experiences a humidity level of 86%, maintaining a trend of high moisture that has characterized the region throughout the fall and winter months. While December's humidity reflects a slight dip compared to the previous months—where levels peaked at 90% in November and 89% in October—it remains consistent with the generally damp climate typical of the UK during this time of year. The overall trend shows a gradual decrease from the lofty humidity numbers recorded earlier in the autumn, yet the figures still indicate a season where the air is often heavy with moisture. This lingering humidity can create a cozy atmosphere, perfect for enjoying the picturesque winter landscape that Dunoon has to offer.

December Average Humidity in Dunoon

This chart illustrates the average monthly humidity levels in Dunoon, 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%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Dunoon

In December, Dunoon experiences a low UV Index of 1, similar to the preceding months of January and November, indicating a minimal risk of harm from unprotected sun exposure. The burn time remains consistent at 45 minutes, allowing ample time to enjoy outdoor activities with minimal concern for skin damage. Throughout the year, Dunoon showcases a marked progression in UV levels, escalating from low indices in the winter months to very high levels in summer, particularly in June and July. This notable variation underscores the importance of adjusting sun protection strategies as the seasons change. For more detailed insights, check out the Dunoon UV Index.

Maximum UV Index Levels in Dunoon for December

The chart shows the monthly maximum UV Index (UVI) for Dunoon 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Dunoon 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 Dunoon

In December, Dunoon, UK, experiences a notable decline in sunshine hours, basking in only 68 hours of sunlight, a stark contrast to the vibrant 391 hours of May. As autumn transitions into winter, the days shorten, and the once-bright skies retreat, reflecting a gradual decrease in illumination that begins as early as September. This trend continues through the winter months, with December's sunlight barely surpassing January's meager 65 hours. Despite the chill, Dunoon's beauty lies in its serene winter landscapes, capturing the essence of seasonal change, even when the sun seems to slip away.

Monthly Sunshine Duration in Dunoon: December Highlighted

The December sunshine duration represents the total number of hours Dunoon 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.
JanFebMarAprMayJunJulAugSepOctNovDec65h126h179h320h391h382h390h345h275h203h107h68h
Data source: Dunoon December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dunoon During December

In December, Dunoon, United Kingdom, experiences a mere 14% chance of sunny weather, making it one of the cloudiest months of the year. This trend highlights a significant dip in sunshine compared to the preceding months, where November still holds a more favorable 25% chance. While late autumn and winter generally bring less sunlight, the shift from the relatively brighter days in April (47%) and May (31%) to the darker months underscores the UK’s unique climatic patterns. As the year winds down, those yearning for sunny spells may find December's offerings quite limited, hinting at the cozy, overcast nature of the season.

Percentage of Sunny Days in December in Dunoon

The chart illustrates the percentage of sunny days in Dunoon 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 Dunoon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%25%16%47%31%23%24%22%15%16%25%14%
Data source: Dunoon December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dunoon in December

As December rolls in, Dunoon, United Kingdom, experiences a return to shorter days, with daylight lasting around 7 hours. This marks a dip from the longer sunlit hours of summer, which peaked at an impressive 17 hours in June. The transition from the vibrant 16 hours of daylight in May signals the gradual descent into winter, where daylight progressively shrinks from 14 hours in August down to November's 8 hours. This trend of shortening days, characteristic of the winter months, creates an atmosphere of cozy evenings, inviting residents and visitors alike to embrace the charm of Dunoon’s festive spirit as the year draws to a close.

Average Daylight Hours in Dunoon for December

The chart illustrates the variation in daylight duration in Dunoon throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 41m9h 36m11h 53m14h 14m16h 19m17h 27m16h 51m14h 57m12h 40m10h 21m8h 14m7h 4m
Data source: Dunoon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Dunoon

In Dunoon, United Kingdom, December brings a refreshing shift in the winter climate, with an average wind speed of 3.9 m/s (9 mph). This marks a slight uptick from the calmer summer months, where wind speeds hovered around 2.3 m/s to 2.7 m/s in July and August. As the year progresses towards its close, November sees winds picking up to 4.8 m/s, hinting at the seasonal transition. While December’s winds are moderate compared to some months, they contribute to the crisp, invigorating air that characterizes winter on the west coast of Scotland. The pattern reflects a steady rhythm of nature, with winds generally intensifying as the seasons unfold, creating a dynamic backdrop for both locals and visitors alike.

Average December Wind Speed in Dunoon

The chart displays monthly wind speed patterns in Dunoon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.55.84.43.13.53.42.32.73.24.34.83.9 m/s
Data source: Dunoon December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Dunoon Compares to Other Months

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

In December, temperatures range from a minimum of -5°C (23°F) to a maximum of 12°C (55°F), with an average temperature of 5°C (42°F). The month is characterized by significant precipitation, totaling 167 mm (6.6 in) over 19 days, and a high humidity level of 86%.

In contrast, January maintains a similar temperature profile with lows at -5°C (23°F) and peaks reaching 13°C (55°F), averaging 5°C (41°F). However, it sees a decrease in precipitation to 122 mm (4.8 in) across 15 days, while humidity rises slightly to 87%.

For a closer look at the weather specifics for January, visit Dunoon weather in January.

In comparing the weather between December and February, both months exhibit similar average temperatures, hovering around 5°C (41°F). December, however, tends to have slightly milder lows with a minimum temperature of -5°C (23°F) compared to February's -6°C (22°F). Precipitation levels are also notable; December receives an average of 167 mm (6.6 in) over 19 days, while February sees a slight increase to 187 mm (7.4 in) with the same number of rainy days. Interestingly, both months maintain high humidity levels at 86%. For more specific insights into February weather, you can check Dunoon weather in February.

In December, the weather is quite chilly, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 12°C (55°F), while March sees slightly warmer conditions, with lows around -6°C (21°F) and highs reaching up to 16°C (61°F). Both months experience significant precipitation, with December receiving 167 mm (6.6 in) over 19 days, compared to March's 149 mm (5.8 in) over 18 days. Interestingly, the humidity levels remain constant at 86% for both months, contributing to the damp feel typical of this region. For more details on March weather specifics, you can check Dunoon weather in March.

In December, the weather is notably colder, with minimum temperatures dropping to -5°C (23°F) and an average temperature of just 5°C (42°F). The month sees significant precipitation, totaling 167 mm (6.6 in) over 19 days, coupled with high humidity at 86%. In contrast, April brings milder conditions, featuring minimum temperatures around -3°C (26°F) and an average of 8°C (46°F), peaking at a comfortable 21°C (71°F). Rainfall decreases sharply to 62 mm (2.4 in) over 14 days, with humidity slightly lower at 85%. For more details on the transition into spring, you can visit Dunoon weather in April.

December and May present contrasting weather patterns, making each month unique in its own right. In December, temperatures typically range from a chilly -5°C (23°F) to a mild 12°C (55°F), with an average of around 5°C (42°F). The month sees significant precipitation, totaling 167 mm (6.6 in) over 19 days, and humidity levels are high at 86%. In stark contrast, May experiences more moderate temperatures, with a minimum of 0°C (32°F), an average of 11°C (51°F), and a maximum that can reach 24°C (75°F). Precipitation in May is also lower, totaling 81 mm (3.2 in) over 14 days, and humidity slightly decreases to 82%. For a more detailed look at the weather in May, you can check Dunoon weather in May.

In December, the weather in Dunoon is quite chilly, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 12°C (55°F) and an average of just 5°C (42°F). The month experiences significant precipitation, with 167 mm (6.6 in) falling over 19 days, contributing to a high humidity of 86%. In contrast, June brings much milder conditions, featuring temperatures that start at a minimum of 4°C (40°F) and can reach up to 26°C (80°F), averaging around 13°C (56°F). Although June also sees some rain, with 133 mm (5.2 in) spread across 17 days, the humidity is slightly lower at 84%. For more details, you can check out the Dunoon weather in June.

In December, temperatures in Dunoon can drop to a minimum of -5°C (23°F), with an average of 5°C (42°F) and a maximum of 12°C (55°F). The month is characterized by significant precipitation, totaling 167 mm (6.6 in) over approximately 19 days, while humidity remains high at 86%. In contrast, July brings milder weather, with temperatures ranging from a minimum of 8°C (46°F) to a pleasant average of 15°C (59°F) and reaching a maximum of 26°C (79°F). July experiences less precipitation, around 120 mm (4.7 in) across 17 days, yet retains the same humidity level of 86%. For a deeper look into July's climate, you can check Dunoon weather in July.

December and August present markedly different weather conditions. In December, temperatures range from a chilly -5°C (23°F) at their lowest to a mild 12°C (55°F) at their highest, with an average temperature of around 5°C (42°F). The month also experiences significant precipitation, with about 167 mm (6.6 in) falling over approximately 19 days, all while maintaining a high humidity level of 86%.

In contrast, August is considerably warmer with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 24°C (76°F), averaging around 14°C (58°F). Although August sees slightly more precipitation at 171 mm (6.7 in) spread across 21 days, the humidity remains similar at 86%. For a detailed view of the weather during this summer month, you can check out Dunoon weather in August.

In December, the weather is significantly colder than in September, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 12°C (55°F). In contrast, September enjoys milder temperatures, with averages from 0°C (32°F) to 24°C (76°F), making it far more comfortable. Additionally, December experiences more precipitation, totaling 167 mm (6.6 in) over 19 days, compared to September's 140 mm (5.5 in) over 18 days. Humidity levels are slightly lower in September at 88%, while December sees a higher humidity of 86%. For a detailed look at September weather, check out Dunoon weather in September.

In comparing the weather between December and October, it's clear that December is colder, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 12°C (55°F), while October enjoys milder conditions, with temperatures averaging from -1°C (31°F) to 19°C (67°F). Precipitation is also quite significant in both months, with December recording 167 mm (6.6 in) over 19 days, compared to October's 205 mm (8.1 in) over 21 days. Additionally, humidity levels are slightly lower in December at 86% versus October's 89%. For more detailed insights into October weather, you can check out Dunoon weather in October.

In comparing the weather conditions of December and November, December experiences slightly cooler temperatures, with a minimum of -5°C (23°F) and an average of 5°C (42°F), while November has a milder minimum of -3°C (26°F) and an average of 7°C (45°F). Precipitation levels are quite similar, with December receiving 167 mm (6.6 in) and November slightly less at 163 mm (6.4 in), both over a comparable number of rainy days—19 in each month. Humidity is slightly lower in December at 86%, compared to November's 90%, suggesting a marginally less damp feel as winter sets in. For a closer look at November's climate, check out Dunoon weather in November.

Compare Dunoon's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Dunoon

As December sweeps into Dunoon, the weather takes on a noticeably chillier vibe compared to other months. The average temperature hovers around a brisk 5°C, while occasional peaks at 12°C remind us of fleeting warmth amidst the winter chill. With higher humidity levels intensifying the cold feel, and precipitation occurring on nearly two-thirds of the month, December can be rather damp and dreary. Yet, this unique atmospheric blend sets the stage for the beauty of winter’s arrival, inviting all to embrace the season. For a deeper look at what to expect throughout the year, check out Dunoon Climate.