Last updated: March 17, 2025
Experience the enchanting December weather in Newcastle, Ireland, where the landscape transforms beneath cool temperatures and a blanket of moisture. The month reaches a maximum of 13°C (56°F), settling into a chilly average of 6°C (43°F), and occasionally dipping to a brisk minimum of -4°C (25°F). With 90 mm (3.5 in) of precipitation over approximately 15 days, residents frequently encounter the refreshing embrace of rain. The air hums with an 84% humidity, adding to the atmospheric charm of this picturesque coastal town during the festive season. Embrace the beauty of winter as Newcastle's weather offers both challenge and wonder this December.
As December settles over Newcastle, Ireland, temperatures reflect the onset of winter with a notable chill. The month begins with minimums around -4°C (25°F), creating a crisp atmosphere that invites cozy layers and warm beverages. With an average temperature of 6°C (43°F), there's a slight reprieve from the frigid lows, but the daytime highs barely reach 13°C (56°F), making it clear that winter is firmly in place. Compared to the milder months preceding it, December showcases a significant drop, setting the stage for the colder January that follows. This shift not only highlights the transition into winter but also encapsulates the essence of Newcastle's seasonal rhythm, where chilly evenings and frosty mornings become the norm.
As December arrives in Newcastle, Ireland, precipitation levels peak, reaching 90 mm (3.5 in), making it one of the wettest months of the year. This uptick in rainfall coincides with an increase in wet days, totaling 15 days, suggesting that residents can expect a significant amount of moisture throughout the month. Following November's trend of 88 mm, December reinforces the notion that winter months are particularly soggy in this coastal locale, as precipitation remains consistent and plentiful. Overall, the data highlights a notable pattern of escalating precipitation from late autumn to winter, prompting both locals and visitors to embrace the charm of a rain-soaked Irish landscape.
In Newcastle, Ireland, December ushers in a noticeable drop in humidity, recorded at 84%, a slight decline from the preceding months, which typically hover around 85% to 87%. This drop marks the end of a year characterized by consistent moisture, with humidity levels mostly ranging from 85% to 87% from October through November. Overall, the winter months in Newcastle showcase a trend of high humidity, contributing to the area’s lush landscapes and coastal charm, while December's dip offers a brief, refreshing respite before the cycle resumes in the new year.
In December, Newcastle, Ireland experiences a low UV Index of 1, marking the return to a period of reduced sun intensity after the high summer months. This signifies a safe exposure rating, allowing for approximately 45 minutes of sun without the risk of burning. The trend throughout the year showcases a gradual increase in UV levels from winter's soothing rays to the pronounced brightness of summer, peaking at UV Index 8 in July and June. As the year closes, the focus shifts back to protective measures, making December an ideal time for cozy indoor activities. For those keen to track UV levels and plan their outings accordingly, more information is available at Newcastle UV Index.
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In December, Newcastle, Ireland, experiences a gentle retreat of sunlight, with only 95 hours illuminating the month. This decline is a noticeable shift from the vibrant spring and summer months, where sunshine peaks in May at an impressive 391 hours. As the year transitions, the gradual decrease in daylight becomes apparent; after basking in 311 hours in April and 385 hours through the summer, December's sunshine is significantly dimmer, corresponding with the onset of winter. Despite this reduction, the lingering clarity of December days provides a serene backdrop, especially as the festive season approaches, inviting moments of reflection amidst the fading light.
In the charming coastal town of Newcastle, Ireland, the likelihood of sunny weather in December holds a modest 22% chance. This figure reflects a slight dip compared to November's 25%, suggesting that as winter deepens, the sun tends to shy away. Notably, April boasts the highest likelihood at 43%, making it a standout month for sunshine, while the darker fall and winter months generally see lower probabilities. This downward trend from late autumn to winter hints at the typical Irish climate, where overcast skies often dominate, yet December still offers tentative glimpses of sun amidst the chill. Embracing the unpredictable nature of weather here, Newcastle's charm remains undiminished, regardless of the clouds.
In Newcastle, Ireland, December marks the dawn of winter, bringing with it the shortest daylight duration of the year, with only 7 hours of sunlight. This decrease in daylight follows a steady decline from the summer months, where June and July bask in the glow of 16 hours. As the year progresses from the vibrant long days of spring and summer to the muted light of fall and winter, there's a noticeable rhythm to the shifting hours. In stark contrast to the 15 hours of daylight in May, December's shorter days serve as a reminder of the changing seasons, gradually inching towards longer days starting in January. The cycle hints at the promise of returning light, as daylight begins to extend again in early spring, creating a captivating dance between light and dark throughout the year.
In December, Newcastle, Ireland, experiences an invigorating shift in the air as the average wind speed reaches 4.3 m/s (10 mph), a consistent peak shared with October. As the year comes to a close, the winds reflect a trend of increasing intensity from the gentler breezes of late summer, highlighted by a notable dip in July at just 2.6 m/s (6 mph). This gradual rise points to the changing seasons, with winter's chill bringing more robust gusts. Despite the variable wind patterns throughout the year, December offers a refreshing reminder of nature's dynamic spirit, inviting residents and visitors alike to embrace the bracing atmosphere as the landscape dons its winter cloak.
The weather in Newcastle 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 Newcastle and find detailed weather information for every month.
December and January present a transition in winter weather, marked by slight variations in temperature and precipitation. In December, temperatures range from a minimum of -4°C (25°F) to a maximum of 13°C (56°F), with an average of 6°C (43°F). The month experiences relatively high precipitation of 90 mm (3.5 in) over 15 days, and humidity levels are at 84%. In contrast, January sees a minor drop in the minimum temperature, hitting -5°C (24°F) but maintaining the same maximum of 13°C (56°F) and an average of 5°C (42°F). Precipitation decreases significantly to 55 mm (2.2 in) over 10 days, with humidity just slightly lower at 85%. For more detailed insights on January weather, you can visit Newcastle weather in January.
December and February exhibit similar average temperatures, both around 6°C (43°F), but February tends to be slightly milder, with a maximum temperature reaching 16°C (60°F) compared to December's 13°C (56°F). While December receives a bit more precipitation at 90 mm (3.5 in), February still shows notable rainfall at 79 mm (3.1 in), with both months experiencing precipitation on approximately 15 days. Humidity levels remain high in both months, with December at 84% and February slightly higher at 86%. For more details on February weather, visit Newcastle weather in February.
In December, temperatures typically range from a minimum of -4°C (25°F) to a maximum of 13°C (56°F), with an average of 6°C (43°F). The month experiences significant precipitation, with 90 mm (3.5 in) over about 15 days and humidity sitting at a cool 84%. In contrast, March shows slightly colder temperatures, with a minimum of -6°C (22°F) and a maximum of 17°C (63°F), averaging 7°C (44°F). However, it has a lower total precipitation of 81 mm (3.2 in) spread over 16 days, accompanied by a marginally higher humidity of 86%. For those looking for more detailed information, you can check Newcastle weather in March.
In December, the weather is characterized by cooler temperatures, with a minimum of -4°C (25°F) and an average of 6°C (43°F), peaking at a maximum of 13°C (56°F). The month also sees considerable precipitation, totaling 90 mm (3.5 in) over about 15 days, accompanied by high humidity at 84%. In contrast, April offers a mild transition into spring with temperatures ranging from a minimum of -3°C (27°F) to a pleasant maximum of 21°C (69°F), averaging around 8°C (47°F). Precipitation decreases to 51 mm (2.0 in) spread over 11 days, and humidity remains slightly lower at 85%. For more details on specific conditions, check out Newcastle weather in April.
December and May present stark contrasts in weather conditions. December experiences a chilly climate with average temperatures ranging from -4°C (25°F) to a maximum of 13°C (56°F), accompanied by high humidity at 84% and substantial precipitation of 90 mm over 15 days. In contrast, May boasts milder temperatures, with averages between -1°C (30°F) and 23°C (74°F) and slightly lower precipitation of 72 mm over 13 days, all while maintaining a similar humidity level of 83%. For a closer look at the weather in May, you can visit Newcastle weather in May.
December and June present stark contrasts in weather patterns. In December, temperatures range from a chilly -4°C (25°F) at night to a mild 13°C (56°F) during the day, with an average of 6°C (43°F). This month experiences significant precipitation, totaling 90 mm (3.5 in) over about 15 days, coupled with high humidity levels at 84%. In contrast, June sees much warmer temperatures, with minimums of 5°C (41°F) and maximums reaching 27°C (80°F), resulting in an average of 14°C (58°F). Although June experiences fewer rainy days at 14, the total precipitation is lower at 73 mm (2.9 in), while humidity slightly declines to 85%. For more details on the delightful weather of June, check out Newcastle weather in June.
In December, temperatures in Newcastle range from a chilly -4°C (25°F) at night to a mild 13°C (56°F) during the day, with an average of 6°C (43°F). The month sees about 90 mm (3.5 in) of precipitation over 15 days, maintaining a high humidity level of 84%. In contrast, July offers much warmer conditions, with minimum temperatures around 7°C (44°F) and a maximum reaching 27°C (81°F), leading to a comfortable average of 16°C (61°F). July experiences slightly less precipitation at 77 mm (3.0 in) over 13 days, with humidity remaining high at 86%. For more details, check out Newcastle weather in July.
When comparing the weather in December and August, there are notable differences in temperature and precipitation. December typically experiences colder temperatures, with a minimum of -4°C (25°F) and an average of 6°C (43°F), while August boasts a milder climate, with a minimum of 6°C (43°F) and an average of 15°C (60°F). Precipitation levels are fairly similar, with December receiving about 90 mm (3.5 in) across 15 days, compared to August’s 94 mm (3.7 in) over 17 days. Interestingly, both months have high humidity levels, with December at 84% and August slightly higher at 85%. For more details about the weather in August, you can check Newcastle weather in August.
Comparing December and September weather reveals notable differences in temperature and precipitation patterns. December experiences cooler conditions with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 13°C (56°F), while September enjoys milder temperatures, with lows around 2°C (35°F) and highs reaching 24°C (76°F). Additionally, December sees more precipitation, totaling 90 mm (3.5 in) over 15 days, compared to September's 68 mm (2.7 in) over 13 days. Humidity levels are slightly higher in December at 84%, compared to September's 86%. For a closer look at September's weather, visit Newcastle weather in September.
In December, temperatures drop significantly compared to October, with a minimum of -4°C (25°F) and an average of 6°C (43°F), while October boasts milder conditions with a minimum of 0°C (32°F) and an average of 10°C (51°F). Precipitation levels are similar, with December receiving 90 mm (3.5 in) over 15 days, slightly higher than October's 82 mm (3.2 in) over 13 days. Moreover, December tends to be more humid at 84%, in contrast to October's 87%. For more detailed insights, check out Newcastle weather in October.
December weather in Newcastle is characterized by cooler temperatures and slightly increased precipitation compared to November. While November sees average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 15°C (59°F), December experiences a wider range with lows of -4°C (25°F) and highs reaching only up to 13°C (56°F). Both months have comparable precipitation levels—90 mm (3.5 in) in December and 88 mm (3.5 in) in November—though December has one additional rainy day. Humidity remains fairly high in both months, with December averaging at 84% and November at 86%. For more specific details on November weather, check out Newcastle weather in November.
As December settles in Newcastle, the weather distinctly transforms, bringing a chill that contrasts with the milder months earlier in the year. With average temperatures hovering around 6°C (43°F) and frequent drops to -4°C (25°F), it’s a stark reminder that winter is upon us. The increased precipitation, amounting to 90 mm (3.5 in) over 15 days, adds to the cold, with a high humidity of 84% making the air feel even more brisk. Unlike the drier and warmer months, December envelopes the city in a damp chill, making it essential to dress warmly and prepare for the seasonal transition. For more insights on what to expect throughout the year, check out Newcastle Climate.