Last updated: March 17, 2025
December in Derry, United Kingdom brings a chill, with average temperatures hovering around 6°C (43°F) and a maximum of 13°C (56°F). This month also sees a dip into colder nights, with minimum temperatures reaching -3°C (27°F). Humidity levels are high at 86%, creating a crisp atmosphere. Rain is frequent, with 19 days of precipitation contributing to a total of 101 mm (4.0 in) throughout the month. Visitors and locals alike can expect a mix of cool weather and moisture, making it essential to bundle up and stay prepared for those characteristic Derry showers.
In December, Derry, United Kingdom experiences a chilly transition into winter, with temperatures reflecting the season's cold grip. The minimum temperature hovers around -3°C (27°F), often serving as a reminder of the brisk conditions outside. The average temperature rests at a modest 6°C (43°F), while the maximum reaches up to 13°C (56°F), hinting at fleeting warmer moments amidst the cooler days. This month serves as a pivotal point in the year, as temperatures consistently dip lower than previous months, marking the arrival of winter while maintaining a sense of biting crispness that characterizes the festive atmosphere.
December in Derry, United Kingdom, ushers in the winter season with a notable precipitation total of 101 mm (4.0 in), marking it as one of the wetter months of the year. As the days grow shorter and colder, residents can expect a significant 19 days of rainfall, contributing to a lively winter atmosphere. This pattern reflects a trend seen throughout the latter half of the year, where increased moisture is apparent, particularly in August and October, which boast even higher totals. The consistent precipitation during December serves as a reminder that Derry's climate is shaped by its maritime location, ensuring lush landscapes and a vibrant environment, even in the heart of winter.
As December arrives in Derry, the humidity settles at a comfortable 86%, maintaining a trend of elevated moisture throughout the winter months. Following a slight peak in November at 90%, December's levels reflect a subtle decrease, though they remain significantly high compared to the drier spring and early summer months, where humidity dipped to around 82% in May. This consistency in high humidity from late autumn through the end of the year creates a unique atmosphere in Derry, contributing to the lush, green landscape that the region is famed for. As the year closes, the persistent relative humidity underscores the area's maritime climate, wrapping the city in a cool, misty embrace.
As December rolls into Derry, the UV Index dips to a low level of 1, offering a welcome respite from the stronger rays of earlier months. This positions December alongside January and November, where sun exposure is considered minimal, allowing for a burn time of up to 45 minutes with little risk. The trend remains consistent as winter prevails, with UV levels sharply dropping from 6 and 8 in May through July to this much gentler figure. As you step outside this month, it’s a good time to enjoy the crisp winter air without the worry of sunburn, making it a perfect opportunity to revel in the season's festive spirit. For more details on the specific UV Index throughout the year, check out Derry UV Index.
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In Derry, United Kingdom, the sun's presence fluctuates dramatically throughout the year, with December typically basking in a modest 79 hours of sunshine. This marks a significant dip from the crimson days of summer, where May shines brightest with a dazzling 400 hours. As autumn settles in, the sunshine hours gradually diminish, with November seeing only 115 hours before December's short days arrive. The trend is unmistakable; Derry’s winters are characterized by their overcast skies, contrastively cradling the radiant glow of spring and summer, especially from March to June when the hours soar to peak levels. With each passing month, the natural rhythm of light and dark serves as a reminder of the radiant seasons that await just beyond winter's grasp.
In Derry, United Kingdom, December brings a notable dip in sunshine, with only a 10% chance of sunny weather. This marks the lowest probability of sun throughout the year, highlighting a distinct trend of diminishing sun exposure as autumn transitions into winter. The chances of clear skies are remarkably lower compared to the previous months, with November boasting a 15% likelihood. This seasonal shift signifies Derry's move towards the colder, darker days of winter, prompting residents to brace for a month where overcast conditions are the norm, making the rare sunny day a cherished event.
As December arrives in Derry, UK, daylight hours settle back to 7 hours, mirroring the lengths seen at the start of the year. This month marks a distinct contrast to the vibrant 17-hour daylight of June, highlighting the seasonal shift as days grow shorter. Following a steady increase through the spring, peaking in the summer, the daylight gradually diminishes from August's 14 hours down to November's 8 hours. December’s brevity in sunlight serves as a gentle reminder of winter's embrace, creating a cozy atmosphere that invites reflection and warmth as the year draws to a close.
As December rolls into Derry, the winds shift into a more brisk rhythm, averaging 4.6 m/s (10 mph), slightly stronger than the preceding month's 5.0 m/s. This pattern highlights a tendency for wind speeds to dip after a peak in late autumn, presenting a notable contrast to the calmer summer months when conditions drop to around 2.4 m/s (5 mph) in July. Throughout the year, wind speeds generally fluctuate, with February boasting the highest average at 5.9 m/s (13 mph), while the early spring and late autumn months maintain a consistent breeze. Overall, December's winds add a refreshing chill to the atmosphere, signaling the arrival of winter while echoing the seasonal transitions that characterize Derry’s varied climate.
The weather in Derry 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 Derry and find detailed weather information for every month.
December and January exhibit relatively similar temperatures, with both months experiencing a minimum of -3°C (27°F) and an average temperature around 6°C (43°F) for December and 6°C (42°F) for January. However, January tends to be slightly warmer on average, peaking at a maximum of 14°C (57°F), compared to December’s maximum of 13°C (56°F). In terms of precipitation, December is wetter, receiving 101 mm (4.0 in) across 19 days, while January has less precipitation, totaling 69 mm (2.7 in) over 12 days. Humidity levels are comparable, with January displaying a slight increase at 87% compared to December's 86%. For a more detailed look at January weather, you can visit Derry weather in January.
In December, temperatures range from a chilly -3°C (27°F) at their minimum to a mild 13°C (56°F) at their maximum, with an average of 6°C (43°F). The month experiences significant precipitation, totaling 101 mm (4.0 in) over 19 days, while humidity remains relatively high at 86%. In contrast, February sees a similar temperature range, with minimums still at -3°C (27°F) and maximums slightly higher at 14°C (58°F), averaging 6°C (42°F). Although February has slightly more precipitation at 106 mm (4.2 in) across 16 days, the humidity remains consistent at 86%. For more details, you can check Derry weather in February.
In December, the weather is characterized by chilly temperatures, with a minimum of -3°C (27°F) and an average of 6°C (43°F), peaking at a mild 13°C (56°F). The month experiences significant precipitation, totaling 101 mm (4.0 in) over 19 days, accompanied by high humidity levels of 86%. In contrast, March sees a slightly lower minimum temperature of -4°C (25°F) but has a higher maximum of 17°C (62°F), making it feel more temperate overall, despite a similar average of 6°C (44°F). Precipitation in March is also slightly less, at 95 mm (3.7 in) over 17 days, maintaining the same humidity of 86%. For more details, check out Derry weather in March.
December and April exhibit contrasting weather patterns, highlighting the transition from winter to spring. In December, temperatures range from a chilly -3°C (27°F) to a mild 13°C (56°F), with an average of 6°C (43°F) and substantial precipitation of 101 mm (4.0 in) over 19 days, resulting in a damp and humid month at 86% humidity. Conversely, April offers a more gentle climate, with temperatures ranging from -1°C (31°F) to a pleasant 21°C (69°F), averaging 8°C (47°F). Precipitation in April is lower at 58 mm (2.3 in) across 13 days and maintains a similar humidity level of 85%. For more details on the specific conditions, you can check out Derry weather in April.
December and May present quite contrasting weather conditions. In December, temperatures range from a chilly -3°C (27°F) at night to a maximum of 13°C (56°F) during the day, with an average temperature of 6°C (43°F). The month is characterized by high humidity at 86% and substantial precipitation of 101 mm (4.0 in) over 19 days. In stark contrast, May offers a much milder climate, with temperatures ranging from a low of -1°C (31°F) to a warm high of 25°C (76°F), boasting an average temperature of 11°C (52°F). Additionally, May experiences less rainfall, receiving 81 mm (3.2 in) over 15 days, and slightly lower humidity at 82%. For more specific weather trends, check out Derry weather in May.
December and June exhibit stark contrasts in weather conditions. In December, temperatures range from a chilly minimum of -3°C (27°F) to an average of 6°C (43°F) and can peak at 13°C (56°F). The month is characterized by high humidity at 86% and frequent precipitation, totaling 101 mm (4.0 in) over 19 days. Conversely, June offers a much milder climate, with minimum temperatures starting at 4°C (40°F) and averages around 13°C (56°F), while maximum temperatures can reach up to 27°C (81°F). This month sees slightly lower precipitation at 95 mm (3.7 in) over 17 days, with humidity at 84%. For more details on the weather in June, visit Derry weather in June.
In December, the weather is notably colder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 13°C (56°F), while July sees much milder conditions, with temperatures ranging from 7°C (45°F) to 27°C (81°F). Precipitation is slightly higher in December at 101 mm (4.0 in) over 19 days, compared to July's 91 mm (3.6 in) over 15 days. Interestingly, both months share the same humidity level of 86%, but the contrast in temperature makes December feel far chillier than the warm, summer vibes of July. For more specifics, you can check Derry weather in July.
December and August present distinctly different weather patterns. In December, temperatures can dip as low as -3°C (27°F), with an average of 6°C (43°F) and a maximum of 13°C (56°F). The month experiences considerable precipitation, totaling 101 mm (4.0 in) over 19 days, coupled with high humidity at 86%. In contrast, August is generally milder, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 23°C (73°F) and an average of 15°C (58°F). Although August has slightly more precipitation at 134 mm (5.3 in) over 20 days, the overall climatic conditions are more pleasant. For more detailed information, check Derry weather in August.
In comparing the weather between December and September, December typically experiences colder temperatures, with averages ranging from a minimum of -3°C (27°F) to a maximum of 13°C (56°F). In contrast, September enjoys milder conditions, with temperatures ranging from a minimum of 2°C (36°F) to a more comfortable average of 13°C (55°F) and a maximum of 24°C (75°F). Precipitation is also a factor, with December averaging 101 mm (4.0 in) over 19 days, while September sees slightly less rain at 85 mm (3.4 in) over 17 days. Humidity levels are quite similar, with December at 86% and September at 88%. For a closer look at September weather, visit Derry weather in September.
In comparing December and October weather, December tends to be significantly colder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 13°C (56°F), whereas October experiences milder conditions with a minimum of 1°C (33°F) and a maximum of 19°C (66°F). Precipitation amounts are quite similar, with December receiving 101 mm over 19 days and October slightly more at 102 mm over 18 days. Humidity levels are also high in both months, with December at 86% and October at 89%, indicating a damp atmosphere in both cases. For more detailed insights, you can check Derry weather in October.
December weather tends to be slightly colder and wetter compared to November. The average temperature in December hovers around 6°C (43°F), with a minimum of -3°C (27°F) and a maximum of 13°C (56°F), while November has a slightly higher average of 8°C (46°F) with extremes ranging from -2°C (29°F) to 15°C (59°F). Precipitation is also more prevalent in December, with 101 mm (4.0 in) over 19 days, compared to November's 94 mm (3.7 in) over 18 days. Humidity remains high in both months, though December is marginally lower at 86% compared to November's 90%. For a more detailed look at the November weather, you can visit Derry weather in November.
As December unfolds in Derry, the weather transforms into a chilly embrace, making it distinctly cooler than the preceding months. The combination of higher humidity and frequent precipitation casts a wintry veil over the city, with rain often gracing 19 days of the month. While temperatures can dip below freezing, moments of mildness may surprise, with occasional highs reaching up to 13°C. This blend of dampness and cooler air creates a unique atmosphere that heralds the festive season, inviting locals and visitors alike to enjoy the charm of a December in Derry. For a deeper dive into how Derry’s weather plays out throughout the year, explore Derry Climate.