Last updated: March 17, 2025
December in Helensburgh, United Kingdom, brings a chilly charm to the coastal town, where temperatures range from a maximum of 12°C (54°F) to a brisk minimum of -6°C (21°F). On average, residents can expect a cool 5°C (41°F), complemented by a notably high humidity level of 89% that adds a distinct crispness to the air. This month witnesses 161 mm (6.3 in) of precipitation over 19 days, making it essential to embrace the wet weather while enjoying the serene beauty of the winter landscape. Whether taking a brisk walk by the shoreline or cozying up indoors, December offers a unique blend of challenges and delights for both locals and visitors alike.
In Helensburgh, United Kingdom, December brings a distinct chill as temperatures dip to a minimum of -6°C (21°F), while the average hovers around 5°C (41°F). This cooler month marks a transition from the milder fall, with highs peaking at 12°C (54°F), a subtle cooling trend compared to the preceding months. As the year draws to a close, December encapsulates the essence of winter, a stark contrast to the increasing warmth experienced during the summer months, peaking in July and August. The shift in temperatures suggests that while December retains some vestiges of the autumnal climate, it undoubtedly sets the stage for the colder months ahead, evoking a sense of winter's arrival in this scenic coastal town.
In December, Helensburgh continues its trend of significant precipitation, mirroring November's total with 161 mm (6.3 in) of rainfall over 19 days. This consistent downpour underscores the area's characteristic winter weather, as it falls within a broader pattern of fluctuating precipitation amounts throughout the year. Notably, December's rainfall aligns with the wetter months that precede it, such as October and November, which are typically the peaks of the year’s wet season. As the year wraps up, the persistent rain not only contributes to the lush, green landscape but also reinforces the coastal town's reputation for embracing the quintessentially damp British winter.
In December, Helensburgh experiences a humidity level of 89%, which reflects the region's characteristic dampness during the winter months. As the year transitions from November's high of 92%, the humidity begins to stabilize but remains significantly elevated compared to the drier summer months. Following May's lowest point at 80%, a gradual increase leads back to the wetter conditions typical of late autumn and winter. The humidity levels remain consistently high in December, often creating a moody atmosphere, perfect for cozy indoor activities as residents prepare for the colder days ahead.
As December settles in Helensburgh, the UV Index drops to a low level of 1, marking a continuation of the trend from November. During this month, residents can enjoy the outdoors with a burn time of 45 minutes before sun protection becomes essential. The month's low UV radiation reinforces the pattern seen over the colder winter months, where the risk of sunburn is minimal compared to the sunnier summer peaks. With a remarkable leap from a moderate index in April to the very high values of June and July, the UV Index tends to oscillate with the seasons, but December offers a comforting reprieve as residents bundle up and enjoy the festive atmosphere without the worry of UV exposure. For more insights on the UV trends throughout the year, visit Helensburgh UV Index.
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December in Helensburgh, United Kingdom, greets visitors with a modest 66 hours of sunshine, mirroring the sun's limited presence in January. This chilly month starkly contrasts with the vibrant 391 hours of brightness experienced in May, highlighting a significant seasonal shift. As the year progresses, spring ushers in longer days, peaking in April with 322 hours, while the summer months maintain this trend, with July and August basking in nearly 389 and 341 hours respectively. However, as autumn descends, sunshine hours dwindle, sliding back to 202 hours in October and further to December. This ebb and flow of light showcases the natural rhythm of Helensburgh's climate, where each month paints its own picture of brightness and shadow.
In December, Helensburgh, United Kingdom, experiences a notably low chance of sunny weather, with only 14% likelihood of sunshine gracing the town. This trend reflects a broader pattern observed throughout the winter months, where the chances of sun significantly decline compared to the spring and summer. While April boasts a more inviting 46% chance of sunshine, the overall trajectory from January to December indicates a gradual decrease, leaving December as one of the gloomiest months. As the year comes to a close, locals can expect more overcast skies, making those rare sunny days particularly cherished in this coastal town.
In Helensburgh, United Kingdom, December marks the return of shorter days, where daylight lingers for about 7 hours. This month mirrors the bleak sunlight of January, both at the tail end of the year with limited brightness. As autumn transitions into winter, daylight gradually declines from a peak of 17 hours in June to its shortest span by December. The trend articulates a seasonal ebb and flow, witnessing an incremental increase in daylight from 9 hours in February, culminating in the exuberance of 16 hours in May, before descending back to the winter's grip. As such, December serves as a poignant reminder of the cyclical nature of light, inviting reflection during the cozy, dimly lit evenings.
As the year draws to a close in Helensburgh, United Kingdom, December brings an average wind speed of 3.2 m/s (7 mph), marking a slight increase from the calmer summer months. While the wind velocity remains moderate compared to other winter months, it reflects a general trend of rising speeds leading into the colder season. Notably, wind speeds fluctuate throughout the year, with February showing the highest average at 5.0 m/s (11 mph), followed by a gradual tapering off during the warmer months of July and August, where breezes lighten to 2.1 m/s and 2.4 m/s, respectively. This ebb and flow of wind patterns not only characterizes Helensburgh's climate but also adds a unique charm to the coastal experience in winter, where bracing winds meet the serene beauty of the Scottish landscape.
The weather in Helensburgh 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 Helensburgh and find detailed weather information for every month.
In December, temperatures range from a minimum of -6°C (21°F) to a maximum of 12°C (54°F), with an average of 5°C (41°F). The month is characterized by significant precipitation, totaling 161 mm (6.3 in) over 19 days and a high humidity level of 89%. In contrast, January sees slightly colder temperatures, with a minimum of -7°C (20°F) and an average of 4°C (40°F), hitting a maximum of 13°C (55°F). January also experiences less rainfall, recording 117 mm (4.6 in) across 14 days, with humidity marginally higher at 90%. For a detailed look at January conditions, you can check Helensburgh weather in January.
December and February exhibit similar average temperatures, with both months hovering around 5°C (41°F). However, February can be slightly colder, with minimum temperatures dipping to as low as -8°C (18°F) compared to December's minimum of -6°C (21°F). Precipitation levels are also higher in February, with 195 mm (7.7 in) falling over 19 days, compared to December's 161 mm (6.3 in). The humidity remains high in both months, at 89% in December and slightly lower at 88% in February. For a more detailed look at February's weather, check out Helensburgh weather in February.
In December, temperatures range from a minimum of -6°C (21°F) to a maximum of 12°C (54°F), with an average temperature of 5°C (41°F). The month sees significant precipitation, totaling 161 mm (6.3 in) over 19 days, accompanied by a high humidity level of 89%. In contrast, March experiences slightly warmer temperatures, with a minimum of -7°C (19°F) and a maximum of 16°C (62°F), resulting in an average of 6°C (42°F). Precipitation in March is slightly lower at 152 mm (6.0 in) over the same number of days, and humidity also drops a bit to 86%. For more detailed information, you can check Helensburgh weather in March.
December and April present strikingly different weather patterns. In December, temperatures typically range from a minimum of -6°C (21°F) to a maximum of 12°C (54°F), with an average of 5°C (41°F). This month experiences significant precipitation, averaging 161 mm (6.3 in) over 19 days, accompanied by high humidity at 89%. In contrast, April offers a milder climate, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 22°C (72°F) and an average of 7°C (46°F). Precipitation drops to 63 mm (2.5 in) over just 13 days, and humidity decreases slightly to 85%. For a more detailed look at April's weather, you can check out Helensburgh weather in April.
December and May present stark contrasts in weather. In December, temperatures can dip as low as -6°C (21°F), with an average of 5°C (41°F) and highs reaching 12°C (54°F). This month also sees significant precipitation, totaling 161 mm (6.3 in) over 19 days, coupled with high humidity at 89%. In contrast, May offers a milder climate, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 25°C (77°F) and an average of 10°C (51°F). Precipitation decreases to 87 mm (3.4 in) across 14 days, while humidity levels drop to 80%. For those interested in the specifics of May weather, you can check Helensburgh weather in May.
December and June showcase contrasting weather patterns in terms of temperature and humidity. In December, temperatures can dip to a chilly minimum of -6°C (21°F) and typically average around 5°C (41°F), with maximums reaching only 12°C (54°F). The month experiences significant precipitation, totaling 161 mm (6.3 in) over 19 days, accompanied by high humidity levels of 89%. In stark contrast, June offers a milder climate with temperatures ranging from a minimum of 4°C (39°F) to an average of 13°C (56°F) and highs that can soar up to 28°C (82°F). This month sees slightly less rainfall at 142 mm (5.6 in) over 18 days, with humidity levels more comfortable at 83%. For a detailed overview of weather conditions in June, visit Helensburgh weather in June.
December and July present stark contrasts in weather conditions. In December, temperatures range from a chilly -6°C (21°F) to a mild 12°C (54°F), with an average of 5°C (41°F). The month is quite wet, experiencing around 161 mm (6.3 in) of precipitation over 19 days, coupled with high humidity at 89%. In contrast, July boasts much warmer temperatures, with a minimum of 7°C (44°F) and a maximum of 27°C (81°F), averaging 15°C (59°F). Rainfall is also lower, totaling 123 mm (4.9 in) spread over 16 days, and the humidity sits at a more comfortable 82%. For more information, you can check Helensburgh weather in July.
December and August present stark contrasts in weather. December typically experiences cooler temperatures, with a minimum of -6°C (21°F) and an average around 5°C (41°F), while August enjoys milder conditions, starting at a minimum of 6°C (43°F) and peaking at a maximum of 25°C (77°F). Precipitation levels are relatively high in both months, with December receiving 161 mm (6.3 in) over 19 days, compared to August’s 183 mm (7.2 in) across 22 days. Additionally, December is characterized by high humidity at 89%, whereas August has a slightly lower humidity level of 82%. For more details, visit Helensburgh weather in August.
December weather is characterized by colder temperatures, with average highs reaching only 12°C (54°F) and lows dropping to -6°C (21°F). In contrast, September enjoys milder conditions, where temperatures range from a minimum of -3°C (27°F) to an average high of 25°C (77°F). While both months experience significant precipitation, December records higher levels at 161 mm (6.3 in) over 19 days, compared to September's 135 mm (5.3 in) across 17 days. Humidity remains quite high in both months, with December at 89% and September slightly lower at 88%. For a more detailed look at September's weather, visit Helensburgh weather in September.
The weather in December is generally colder than in October, with average temperatures ranging from a minimum of -6°C (21°F) to a maximum of 12°C (54°F), compared to October's range of -3°C (27°F) to 19°C (67°F). Additionally, December experiences higher humidity at 89% and slightly less precipitation, totaling 161 mm (6.3 in) over 19 days, whereas October sees 202 mm (7.9 in) spread over 21 days. Despite both months being damp, October remains milder and more temperate, making it a more pleasant time for outdoor activities. For detailed insights into October's weather, you can check Helensburgh weather in October.
In comparing the weather between December and November, we see some notable differences and similarities. December experiences slightly lower average temperatures, with a minimum of -6°C (21°F) compared to November's minimum of -4°C (25°F). The average temperature in December is 5°C (41°F), a subtle decrease from November's average of 6°C (44°F). Interestingly, both months receive the same amount of precipitation at 161 mm (6.3 in), but December has one more rainy day, totaling 19 days compared to November's 18. Additionally, humidity levels in December are marginally lower at 89%, while November records 92%. For a more detailed look at November's weather, you can check out Helensburgh weather in November.
As December settles over Helensburgh, the weather takes a distinct turn compared to other months. The average temperature drops significantly, bringing a chill that often lingers around 5°C. This contrasts starkly with the mildness of autumn. With increased precipitation, December is characterized by rainy spells, totaling about 161 mm over approximately 19 days, making it one of the wettest months of the year. The high humidity level of 89% creates a damp atmosphere, accentuating the cold. Despite these conditions, December’s unique charm draws many to experience its wintry landscape. For a comprehensive look at the region's yearly weather patterns, visit Helensburgh Climate.