January Weather in Helensburgh, United Kingdom

Last updated: March 17, 2025

January in Helensburgh, United Kingdom is characterized by cool temperatures and considerable precipitation. With maximums reaching 13°C (55°F) and average temperatures hovering around 4°C (40°F), the month can feel quite chilly, especially with minimums dropping to -7°C (20°F). Rain is common, as evidenced by 117 mm (4.6 in) of precipitation spread over 14 days, contributing to a high humidity level of 90%. Residents and visitors alike should be prepared for a damp, wintry month, ideal for cozy indoor activities amidst the beauty of the Scottish landscape.

January Temperature in Helensburgh

In January, Helensburgh experiences chilly temperatures, with a minimum dipping to a brisk -7°C (20°F) and an average around 4°C (40°F), making it one of the colder months of the year. The climate shows a gradual warming trend as the months progress; February remains similarly cold, but by March, the average creeps up to 6°C (42°F), and the maximum rises to a pleasant 16°C (62°F). Notably, April ushers in more notable warmth, with averages reaching 7°C (46°F) and highs peaking at 22°C (72°F). This trend continues into the spring and summer months, with May witnessing further increases, paving the way for pleasant weather in June and July, where highs can reach around 27°C (81°F). By the time we reach autumn, temperatures begin to cool again, highlighting the seasonal shifts typical of this picturesque coastal town. Through its average temperatures, Helensburgh showcases a dynamic climate that moves from the winter chill of January to the inviting warmth of late spring and early summer.

January Weather in Helensburgh: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Helensburgh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec394042455156595854494440
Data source: Temperature data for Helensburgh 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.

January Precipitation in Helensburgh

January in Helensburgh witnesses a noteworthy precipitation pattern, with an average of 117 mm (4.6 in) of rainfall over approximately 14 days. As the month kicks off the year, it sets the stage for wetter conditions ahead, particularly in February, when precipitation soars to 195 mm (7.7 in) across 19 days. This trend continues into the spring months, peaking in October with an impressive 202 mm (7.9 in) over 21 days. Notably, while January is wetter than some months, it serves as a backdrop to the significantly higher rainfall amounts seen in the following months, illustrating a steady increase in precipitation that characterizes the winter and early spring in this picturesque Scottish town.

January Precipitation Trends in Helensburgh

The chart displays monthly precipitation patterns in Helensburgh, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1171951526387142124183135202161161
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Helensburgh

In Helensburgh, United Kingdom, January stands out with its high humidity level of 90%, creating a rather damp and chilly atmosphere as the year kicks off. This pronounced moisture persists, with February not far behind at 88%, before gradually tapering off to 86% in March and 85% in April. As the spring months unfold, humidity continues its descent, reaching a comfortable 80% by May. However, a slight rebound occurs in June, with levels rising to 83%, and remains stable through the summer, fluctuating slightly around 82% in July and August. As autumn approaches, humidity levels climb again, peaking at 92% in November before closing the year at 89% in December. Overall, January heralds a season of consistent humidity, setting the tone for the months to come, while the year exhibits notable fluctuations, reflecting Helensburgh's maritime climate.

January Average Humidity in Helensburgh

This chart illustrates the average monthly humidity levels in Helensburgh, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%85%81%83%82%82%88%90%92%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Helensburgh

In January, Helensburgh experiences a low UV Index of 1, making it a great time for outdoor activities with minimal sunburn risk—about 45 minutes of sun exposure is considered safe. As the months progress into February, the UV Index slightly increases to 2, maintaining that same low exposure category and burn time. The trend shifts in March when the UV Index rises to 3, signifying a moderate level where caution is advised. As spring arrives, April shows an upward push to 5, moving into the moderate exposure category, while May brings the first real sign of summer with a high UV Index of 6 and a reduced burn time of 25 minutes. The intensity peaks in June and July, hitting a very high Index of 8, where just 15 minutes of sun can lead to burning. As summer fades into fall, the UV Index gradually declines, returning to moderate levels in September and October before dropping back to low in November and December. This annual cycle highlights the importance of sun protection, especially during those peak summer months. For more detailed insights, visit Helensburgh UV Index.

Maximum UV Index Levels in Helensburgh for January

The chart shows the monthly maximum UV Index (UVI) for Helensburgh in January, 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: Helensburgh January 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.

January Sunshine in Helensburgh

In Helensburgh, January tends to greet residents with just 66 hours of sunshine, setting the tone for a winter landscape that often feels grey and chilly. However, the days gradually brighten as spring approaches, with February offering a noticeable increase to 123 hours. By the time March rolls around, the sun begins to make a more significant impact, delivering 174 hours. The sunny season truly bursts forth in April, where sunshine totals climb rapidly to 322 hours, and the vibrant energy continues through May at a substantial 391 hours. Although June and July maintain a robust showing with 384 and 389 hours, respectively, this brightness begins to taper off in August with 341 hours, leading into the mellowing days of autumn. As the year ends, Helensburgh sees a dramatic decline, with November and December both sharing the same low of 66 hours, reminding us of the cyclical dance between light and darkness in this charming coastal town.

Monthly Sunshine Duration in Helensburgh: January Highlighted

The January sunshine duration represents the total number of hours Helensburgh experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec66h123h174h322h391h384h389h341h272h202h106h66h
Data source: Helensburgh January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Helensburgh During January

In Helensburgh, United Kingdom, the likelihood of enjoying sunny weather in January stands at 26%, making it one of the more promising winter months for sun-seekers. While February sees a slight dip to 23%, the transition into spring reveals a notable increase in sunshine possibilities, with April reaching a bright 46%. Interestingly, the trend of fluctuating sun chances continues, as summer months like June and July hover around 22% and 25%, respectively. This pattern emphasizes that while January may not be the sunniest month, it offers a far better chance than several of the following months—particularly in the gloomier late autumn and winter period, where percentages can plummet to as low as 14% in December. Overall, if you’re hoping for sunshine in the depths of winter, January presents a refreshing glimmer of hope amid the typically gray skies.

Percentage of Sunny Days in January in Helensburgh

The chart illustrates the percentage of sunny days in Helensburgh throughout the year, with January 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 Helensburgh experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%23%16%46%29%22%25%23%15%16%25%14%
Data source: Helensburgh January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Helensburgh in January

In Helensburgh, United Kingdom, the journey through January's daylight is a tantalizing glimpse of the lengthening days ahead. With an average of just 7 hours of daylight, the month invites moments of cozy introspection as the sun lazily inches toward spring. As February arrives, daylight blossoming to 9 hours signals the start of a gradual increase, paving the way for March's 11 hours, which breathes new life into the landscape. By April, the transition is unmistakable, with daylight stretching to 14 hours, marking a vibrant shift towards longer, sunnier days. This upward trend continues into May and June, peaking at an invigorating 17 hours, inviting outdoor adventures and social gatherings. However, as summer wanes into July and August, daylight begins to recede, settling at 16 and 14 hours respectively. The rhythm of the seasons carries us into autumn, where September offers 12 hours, before yielding to October’s 10 hours. Finally, as the year concludes, November brings a return to 8 hours, echoing the cozy embrace of January—a full circle reflecting nature's enchanting cycle.

Average Daylight Hours in Helensburgh for January

The chart illustrates the variation in daylight duration in Helensburgh throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 41m9h 35m11h 53m14h 14m16h 20m17h 28m16h 51m14h 57m12h 40m10h 21m8h 13m7h 3m
Data source: Helensburgh daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Helensburgh

In Helensburgh, January greets residents and visitors with an average wind speed of 3.0 m/s (7 mph), setting a surprisingly gentle tone for the winter month. As the year progresses, the winds pick up, with February experiencing a notable increase to 5.0 m/s (11 mph), serving as a precursor to the gustier conditions that characterize early spring. Throughout the months, there's a consistent ebb and flow in wind speeds; after February's peak, they gradually taper off as summer approaches, reaching their lowest in July with just 2.1 m/s (5 mph). However, as autumn draws near, winds begin to strengthen again, culminating in an average of 4.0 m/s (9 mph) in November. This rhythmic pattern of winds weaves a dynamic atmosphere throughout the year, where January's calming breezes slowly transition into lively gusts by year's end, reflecting the shifting seasons in this charming coastal town.

Average January Wind Speed in Helensburgh

The chart displays monthly wind speed patterns in Helensburgh, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.0 m/s5.03.92.83.13.12.12.42.93.74.03.2
Data source: Helensburgh January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Helensburgh Compares to Other Months

The weather in Helensburgh changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January'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.

When comparing the weather in January and February, January typically presents slightly milder conditions with an average temperature of 4°C (40°F), while February sees a marginally cooler average at 5°C (40°F). Both months share similar maximum temperatures peaking at around 13°C (55-56°F). However, February tends to be wetter, accumulating 195 mm (7.7 in) of precipitation over 19 days compared to January's 117 mm (4.6 in) over 14 days. Humidity levels are fairly comparable, with January at 90% and February at 88%. For a detailed look at February weather conditions, you can check out Helensburgh weather in February.

In January, the weather is quite cold with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (55°F), averaging around 4°C (40°F). This month also sees significant precipitation, with 117 mm (4.6 in) falling over 14 days, and a high humidity level of 90%. In contrast, March brings slightly milder temperatures, with a minimum of -7°C (19°F) and a maximum of 16°C (62°F), resulting in an average temperature of 6°C (42°F). However, it experiences even more rainfall than January, with 152 mm (6.0 in) recorded over 19 days, albeit with lower humidity at 86%. For more detailed information, you can check Helensburgh weather in March.

January and April exhibit notable differences in weather patterns. In January, temperatures range from a frigid minimum of -7°C (20°F) to an average of 4°C (40°F), peaking at 13°C (55°F). The month is characterized by higher precipitation, with 117 mm (4.6 in) falling over 14 days and humidity levels soaring at 90%. In contrast, April experiences a milder climate, with temperatures ranging from -4°C (24°F) to an average of 7°C (46°F), reaching up to 22°C (72°F) at times. Precipitation diminishes to 63 mm (2.5 in) over 13 days, accompanied by slightly lower humidity at 85%. For more information on specific conditions, check out Helensburgh weather in April.

January and May present contrasting weather conditions. In January, temperatures can plummet to a minimum of -7°C (20°F) with an average of 4°C (40°F) and a maximum of only 13°C (55°F). This month experiences considerable precipitation, totaling 117 mm (4.6 in) over 14 days, along with high humidity levels averaging 90%. In stark contrast, May brings milder temperatures, with lows of -1°C (30°F) and highs reaching 25°C (77°F), along with a pleasant average of 10°C (51°F). Though May still experiences 14 days of precipitation, it totals 87 mm (3.4 in) and comes with lower humidity at 80%. For more details, you can check Helensburgh weather in May.

In January, Helensburgh experiences colder temperatures, with a minimum of -7°C (20°F) and an average of 4°C (40°F), while June offers a much warmer climate, showcasing a minimum of 4°C (39°F) and an average of 13°C (56°F). The maximum temperature in January reaches 13°C (55°F), in stark contrast to June's higher maximum of 28°C (82°F). Precipitation levels also vary, with January receiving 117 mm (4.6 in) over 14 rainy days compared to June's slightly higher 142 mm (5.6 in) across 18 days. Additionally, while January has a high humidity level of 90%, June's humidity is more moderate at 83%. For a detailed overview of June's weather in Helensburgh, you can visit Helensburgh weather in June.

January and July present strikingly different weather conditions. In January, temperatures range from a chilly -7°C (20°F) at night, to a cool average of 4°C (40°F), peaking at 13°C (55°F) during the day, with high humidity at 90%. Precipitation is significant, with about 117 mm (4.6 in) spread over 14 days. In contrast, July offers much milder temperatures, with nighttime lows of 7°C (44°F), daytime averages of 15°C (59°F), and highs reaching 27°C (81°F). The month is also slightly wetter, receiving 123 mm (4.9 in) of rainfall over 16 days, but with lower humidity at 82%. For more details on the warmer month, you can check Helensburgh weather in July.

In Helensburgh, January weather typically showcases a chilly atmosphere, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (55°F), averaging around 4°C (40°F). This month experiences significant precipitation, totaling 117 mm (4.6 in) over about 14 days, coupled with high humidity at 90%. In contrast, August brings much milder conditions, with temperatures ranging from a minimum of 6°C (43°F) to a warm maximum of 25°C (77°F), averaging 14°C (58°F). August also witnesses increased rainfall, totaling 183 mm (7.2 in) across approximately 22 days, while humidity levels are slightly lower at 82%. For more detailed information, you can check out Helensburgh weather in August.

In January, the weather can be quite chilly, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (55°F), and an average of 4°C (40°F). The month sees significant precipitation, totaling 117 mm (4.6 inches) over approximately 14 days, coupled with high humidity levels of 90%. In contrast, September offers a milder climate, with temperatures ranging from a minimum of -3°C (27°F) to a much warmer maximum of 25°C (77°F), and an average of 12°C (54°F). Precipitation in September is slightly higher at 135 mm (5.3 inches), spread across about 17 days, while humidity remains relatively low at 88%. For more detailed information, check Helensburgh weather in September.

The weather in January is characterized by colder temperatures, with minimums dropping to -7°C (20°F) and an average of around 4°C (40°F). In contrast, October sees a milder climate, with minimums of -3°C (27°F) and an average temperature of 9°C (49°F). While January experiences 117 mm (4.6 in) of precipitation over 14 days, October has significantly higher rainfall, totaling 202 mm (7.9 in) across 21 days. Both months share a high humidity level of 90%, contributing to a damp atmosphere. For more detailed insights into October weather, visit Helensburgh weather in October.

January and November exhibit notable differences in weather patterns. January typically sees colder temperatures, with a minimum of -7°C (20°F) and an average of 4°C (40°F), while November’s temperatures are slightly milder, ranging from -4°C (25°F) to an average of 6°C (44°F). Precipitation is higher in November, with 161 mm (6.3 in) falling over 18 days compared to January’s 117 mm (4.6 in) over 14 days. Humidity levels are also slightly elevated in November at 92%, compared to January's 90%. For a more detailed look at the weather in November, check out Helensburgh weather in November.

In comparing the weather between January and December, January experiences slightly colder temperatures, with an average of 4°C (40°F) compared to December's 5°C (41°F). The minimum temperatures are also similar, with January dipping to -7°C (20°F) and December to -6°C (21°F). January sees less precipitation at 117 mm (4.6 in) over 14 days, while December is wetter, receiving 161 mm (6.3 in) across 19 days. Humidity levels remain relatively high in both months, with January at 90% and December at 89%. For more details on the weather during December, you can visit Helensburgh weather in December.

Compare Helensburgh's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Helensburgh

January in Helensburgh brings a notable chill, with temperatures significantly lower than in the milder months that follow. As the winter season grips the region, residents experience heightened humidity levels that can make the cold feel even more pronounced. While precipitation is common, with a fair amount of rain dotting the month, it's a time when the landscape can transform dramatically with frosty mornings and damp afternoons. This contrast to the more temperate climates of later months highlights the unique character of Helensburgh's January weather. For a deeper insight into the annual climate patterns, visit Helensburgh Climate.