Last updated: March 17, 2025
Experience the charming yet chilly vibes of Portstewart, United Kingdom, in December, where temperatures average around 8°C (46°F). The month showcases a maximum of 12°C (54°F) and dips to a minimum of 2°C (35°F), presenting a brisk atmosphere perfect for cozy outings. Brace yourself for a wet winter, as December sees 166 mm (6.5 in) of rainfall spread over 23 days, contributing to a humidity level of 86%. Whether you're strolling along the scenic coastline or enjoying local delights, pack your waterproof gear and embrace the soothing, misty charm of this coastal town in winter.
As December arrives in Portstewart, the chill of winter begins to settle in, with temperatures dipping to a minimum of 2°C (35°F). The average temperature hovers around 8°C (46°F), providing a brisk but not biting cold for locals and visitors alike. While daytime highs reach up to 12°C (54°F), the overall trend reflects the onset of winter, as the temperatures transition from the milder autumn months. This month often marks the last of the relatively gentle temperatures before the deep cold of January sets in, enticing those who enjoy the stunning coastal winter vistas while wrapped in warm layers.
In December, Portstewart experiences a notable uptick in precipitation, with an average of 166 mm (6.5 in) falling over the course of the month. This increase marks the culmination of a wetter season, as the town transitions from the milder autumn months—where November recorded 156 mm—into the depths of winter. December boasts 23 days of rainfall, comparable to the preceding month but indicative of the persistent gray skies that characterize this time of year. The precipitation patterns highlight a trend of escalating wetness, peaking sharply in December, making it one of the soggiest months. As the year closes, residents may find themselves reaching for their umbrellas more often, reinforcing Portstewart's reputation for a damp coastal climate.
December in Portstewart, United Kingdom, experiences a humidity level of 86%, continuing the trend of high moisture typical for the winter months. Following a gradual increase from 82% in May to a peak of 90% in November, December sees a slight drop, yet remains significantly humid, aligning with the coastal climate's characteristic dampness. Interestingly, the humidity remains consistent with the levels observed in the summer months of July and August, highlighting a relatively stable atmospheric condition as the year comes to a close. This persistent humidity contributes to the town's lush landscapes and vibrant ecosystems, making Portstewart a picturesque winter destination.
In December, the UV Index in Portstewart, United Kingdom, dips to a comfortable 1, maintaining a low exposure category with a burn time of 45 minutes. This trend reflects a steady decline in UV levels as winter sets in, following the peak months of June and July when the index reaches a high of 8. As the year progresses from spring through late autumn, UV exposure fluctuates, illustrating the natural rhythm of the changing seasons. By December, as daylight hours shorten and temperatures drop, residents can bask in the knowledge that their sun exposure is minimal. For more insights and specifics, check out the Portstewart UV Index.
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In Portstewart, December brings a gentle decline in sunshine, with only 81 hours to bask in its warm glow. This marks a stark contrast to the summer months, where July dazzles with a robust 404 hours, making it the peak of sunshine enjoyment. As the year unfolds, the trend appears clear: winter months yield significantly less sunlight, with January trailing closely behind December at a mere 72 hours. Spring begins to shift this narrative, as March welcomes 207 hours of sunshine, paving the way for the vibrant growth of April and May, which see an impressive leap to 319 and 405 hours, respectively. Thus, while December may seem dim in comparison, it gracefully wraps up the year's sunshine story, leading us into the hopeful promise of brighter days ahead.
In Portstewart, United Kingdom, December marks the tail end of the year with a notably low chance of sunny weather, sitting at just 14%. This trend of diminishing sunshine is consistent as the colder months set in, with the likelihood of bright days declining significantly from the relatively sunnier April (43%) and May (36%). As we transition from autumn into winter, the persistent gray skies become more prevalent, echoing a pattern observed throughout the late fall with November also at a meager 16%. Overall, while the hopeful glimmers of early spring provide a respite, December’s weather certainly invites a cozy indoors vibe rather than sun-soaked outings.
In Portstewart, United Kingdom, December brings a return to shorter days, offering only 7 hours of daylight. This reduction marks a notable contrast from the vibrant 17 hours of sunlight experienced in June, showcasing the seasonal shift from the long, bright days of summer to the cozier confines of winter. Following a gradual decline in daylight from the summer peak, November's 8 hours provides a gentle lead-in to December's twilight ambiance. As the year draws to a close, residents and visitors alike experience the enchanting beauty of winter evenings, reminding us of nature's cyclical rhythm.
In December, Portstewart experiences a moderate average wind speed of 8.3 m/s (19 mph), reflecting a slight uptick from the calmer summer months, where July and August saw winds of only 3.8 m/s (8 mph) and 4.5 m/s (10 mph), respectively. As the year progresses, there’s a noticeable trend of increasing winds from the springtime lull, peaking in the autumn months with November reaching 9.3 m/s (21 mph). This gradual increase culminates in December, which balances the brisk winds of late autumn with the anticipation of winter's more robust gusts. Overall, December serves as a reminder of both the power and the beauty of coastal winds as they prepare to transition into the new year.
The weather in Portstewart 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 Portstewart and find detailed weather information for every month.
December's weather is characterized by slightly higher average temperatures, with a range from 2°C (35°F) to a max of 12°C (54°F). The month sees significant precipitation, averaging 166 mm (6.5 in) over 23 days, contributing to a high humidity level of 86%. In contrast, January experiences a similar temperature range, but with a slightly lower average of 7°C (45°F) and maxing out at 13°C (56°F). Precipitation also decreases in January, with 109 mm (4.3 in) spread over 17 days, while humidity remains slightly higher at 87%. For more details on the weather in January, visit Portstewart weather in January.
In comparing the weather between December and February, we observe some notable similarities and slight differences. Both months experience a maximum temperature of 12°C (54°F), but February's average temperature is marginally lower at 7°C (44°F), compared to December's average of 8°C (46°F). Precipitation is also somewhat reduced in February, with total rainfall of 132 mm (5.2 in) over 18 days, compared to December's 166 mm (6.5 in) over 23 days. Interestingly, the humidity level remains constant at 86% in both months, contributing to a generally damp atmosphere. For a more detailed look at February's weather patterns, visit Portstewart weather in February.
In December, temperatures range from a minimum of 2°C (35°F) to a maximum of 12°C (54°F), with an average of 8°C (46°F). This month experiences significant rainfall, totaling 166 mm (6.5 in) over approximately 23 days, contributing to high humidity levels of 86%. In contrast, March sees slightly cooler temperatures with a minimum of -1°C (31°F) and an average of 7°C (45°F), while the maximum remains the same at 12°C (54°F). Precipitation is lower in March, amounting to 112 mm (4.4 in) over 18 days, yet humidity remains consistent at 86%. For more detailed insights on March weather, you can visit Portstewart weather in March.
In December, the weather is characterized by cool temperatures, with daily averages hovering around 8°C (46°F), and a maximum of 12°C (54°F). The month experiences significant precipitation, totaling 166 mm (6.5 in) over 23 days, and the humidity remains high at 86%. In contrast, April sees slightly milder conditions, with an average temperature also around 8°C (47°F) but peaking at 13°C (56°F). Precipitation is notably reduced to 55 mm (2.2 in) over just 12 days, allowing for relatively drier conditions at a similar humidity level of 85%. For more detailed insights, you can check out the specific weather trends at Portstewart weather in April.
December and May present a stark contrast in weather conditions. In December, temperatures range from a chilly 2°C (35°F) to a maximum of 12°C (54°F), with an average of around 8°C (46°F). The month is quite wet, with 166 mm (6.5 in) of precipitation spread over 23 days and high humidity at 86%. In contrast, May brings milder weather, where temperatures vary from a minimum of 5°C (41°F) to a pleasant maximum of 16°C (61°F), averaging at 10°C (50°F). Precipitation decreases significantly to 72 mm (2.9 in) over just 13 days, coupled with slightly lower humidity at 82%. For a detailed look at the weather in May, you can visit Portstewart weather in May.
December and June exhibit contrasting weather patterns, reflecting the shift from winter to summer. In December, temperatures range from a chilly minimum of 2°C (35°F) to a maximum of 12°C (54°F), accompanied by high humidity at 86% and significant precipitation totaling 166 mm (6.5 in) over 23 days. In contrast, June offers milder conditions, with temperatures starting at a minimum of 8°C (47°F) and reaching a maximum of 17°C (62°F), along with lower precipitation of 105 mm (4.1 in) spread across 17 days and slightly lower humidity at 84%. For more detailed insights on June weather, you can check Portstewart weather in June.
December and July present distinctly different weather characteristics. In December, temperatures range from a chilly minimum of 2°C (35°F) to a mild maximum of 12°C (54°F), with an average of 8°C (46°F). The month is notably wetter, receiving 166 mm (6.5 in) of precipitation over 23 days, contributing to a consistently high humidity level of 86%. In contrast, July boasts much warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 19°C (67°F), averaging around 14°C (57°F). Precipitation is also lower in July, with only 110 mm (4.3 in) over 17 days, while the humidity remains steady at 86%. Overall, December is characterized by cooler, wetter conditions, whereas July offers more temperate, drier weather. For more detailed insights, check Portstewart weather in July.
When comparing the weather in December and August, notable differences emerge. December tends to be much colder, with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 12°C (54°F), while August enjoys milder conditions, with temperatures averaging between 11°C (52°F) and 18°C (66°F). Precipitation levels in December are slightly higher, with 166 mm (6.5 in) spread over 23 days, compared to August's 146 mm (5.7 in) over 20 days. Both months experience high humidity levels of 86%, but the overall feeling in December is characterized by the chill of winter, whereas August typically feels more comfortable and warm. For more details on August weather, you can visit Portstewart weather in August.
In comparing the weather of December and September, it's clear that December is significantly cooler, with average temperatures ranging from a low of 2°C (35°F) to a high of 12°C (54°F), compared to September’s milder temperatures, which range from a low of 9°C (49°F) to a high of 17°C (64°F). Additionally, December experiences a higher amount of precipitation, with 166 mm (6.5 in) over approximately 23 days, compared to September's 117 mm (4.6 in) across 20 days. Humidity levels are also slightly more elevated in December at 86%, compared to September's 88%. For more detailed insights into September weather, visit Portstewart weather in September.
In comparing the weather of December and October, we observe that December is generally cooler, with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 12°C (54°F), contrasted with October's milder averages of 5°C (42°F) to 16°C (62°F). Both months experience significant rainfall, with December recording about 166 mm (6.5 in) over 23 days, just slightly higher than October's 161 mm (6.3 in) across 24 days. Humidity levels are also notable, as December maintains an 86% humidity rate compared to October’s 89%. For more detailed weather information, you can check Portstewart weather in October.
In comparing the weather between November and December, December tends to be slightly cooler with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 12°C (54°F), while November maintains a milder range, with temperatures varying from 4°C (40°F) to 14°C (58°F). Both months experience substantial precipitation, with December recording 166 mm (6.5 in) and November slightly behind at 156 mm (6.2 in). Interestingly, both months see rainfall on 23 days, though December's humidity level is slightly lower at 86% compared to November's 90%. For a more detailed overview of November weather, you can check the link: Portstewart weather in November.
As December settles in Portstewart, a noticeable shift in weather patterns brings cooler temperatures and increased rainfall compared to other months. With an average temperature lingering around a brisk 8°C, the chill in the air is complemented by high humidity levels of 86%, making for a distinctly wet and chilly atmosphere. Rainfall is frequent, with precipitation affecting over three-quarters of the month, resulting in a notable total that surpasses drier seasons. This month serves as a reminder to prepare for the unpredictable, as the coastal beauty of Portstewart is met with the poignant character of winter. To learn more about the region's climate throughout the year, visit Portstewart Climate.