Last updated: March 17, 2025
In Shannon, Ireland, December temperatures offer a cool embrace, with a maximum of 14°C (57°F) and an average of 7°C (45°F), dipping to a chilly minimum of -3°C (27°F). This month is characterized by frequent rain, accumulating to 123 mm (4.8 in) over approximately 18 days, leaving the atmosphere crisp and humid at a notable 89%. Whether you're bracing against the elements or cozying up indoors, December in Shannon presents a quintessential winter experience filled with moody skies and the charm of the season.
In December, Shannon, Ireland, experiences a noticeable chill as winter settles in, with temperatures dipping to a minimum of -3°C (27°F) and peaking at a comfortable 14°C (57°F). The average temperature hovers around 7°C (45°F), marking a transition into the colder months that precede the new year. This month follows a gradual cooling trend from November, highlighting a shift from mild autumnal conditions to the crisp feel of winter. Visitors can expect short days and a possibility of frost, making it an ideal time for cozy gatherings and enjoying the enchanting beauty of a winter landscape in this charming Irish town.
In Shannon, Ireland, December wraps up the year with a notable average precipitation of 123 mm (4.8 in), making it one of the wetter months alongside August. This increase in rainfall correlates with 18 rainy days, indicating a trend of consistent drizzles and downpours that characterize the winter season. As the year progresses, precipitation peaks in late summer and winter, with December's totals reflecting a shift from the milder, less frequent rain of the spring months, with April and May averaging around 58 mm and 72 mm respectively. Such climatic patterns highlight Shannon's transition into the wetter months, providing a cozy backdrop for the festive season, yet reminding residents to stay prepared for the frequent showers.
December in Shannon, Ireland, presents a notable transition in humidity levels, with average humidity resting at 89%. This figure reflects a slight dip from the peak that occurs in October (91%) and November (92%), yet remains significantly elevated compared to earlier months in the year. The trend shows a gradual decrease from the high of 92% in November, suggesting a subtle shift as winter solidifies its grip. Despite this decline, December's humidity is notably higher than the mid-year averages, emphasizing Shannon's consistently moist climate. As the year draws to a close, the weather remains characteristically damp, creating a cozy atmosphere perfect for festive celebrations.
In December, Shannon, Ireland experiences a low UV Index of 1, indicating minimal risk from sun exposure. This trend of lower UV levels during the winter months reflects a significant decline from the very high levels seen in June and July, when residents faced potential burns in as little as 15 minutes. As the year progresses, starting from May's high index of 7, there’s a gradual decrease in UV intensity, leading to a sustainable burn time of 45 minutes by December. This seasonal pattern emphasizes the importance of adjusting sun safety habits throughout the year. For further details, check out the comprehensive Shannon UV Index.
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As December settles over Shannon, Ireland, the sunshine hours dwindle to 95, marking a notable decrease from the vibrant spring and summer months. The year begins in January with a meager 77 hours, suggesting that sun-seekers must wait patiently for brighter days ahead. As the months progress, the sunshine blossoms, reaching its peak in May with an impressive 382 hours. Summer continues to bask in warmth, with hours only slightly tapering through August and September. However, by the time December arrives, the landscape shifts to a more subdued glow, reflecting a trend of diminishing daylight as the year transitions towards its close. This ebb and flow of sunshine highlights the seasonal rhythm found in Shannon, where each month brings its own character, ultimately culminating in a cozy, albeit dimmer, chapter of the year.
In Shannon, Ireland, the likelihood of sunny weather in December hovers around 19%, which is consistent with the generally overcast conditions prevalent during the winter months. Analyzing the data reveals a noticeable dip in sunny days as the year progresses towards December, featuring a significant low in March at 17%. Interestingly, the chance of sun begins to climb again in the spring, peaking in April at 45%. Despite December being one of the cloudier times of the year, it offers a slight glimmer of hope with a 24% chance in November preceding it. As winter settles in, the pattern clearly indicates that while December's sun isn't abundant, it's a continuation of the trend seen throughout late autumn.
As December settles in Shannon, Ireland, daylight hours dip to a modest 7 hours, marking the year's shortest days. This decline follows a steady increase from the dark days of winter, where January offers just 8 hours of light, through to the vibrant spring months. The transition begins in February, with daylight stretching to 9 hours, and by April, it flourishes to 13 hours. The peak of the summer months showcases an impressive 16 hours in both June and July, providing ample time for outdoor activities. However, as autumn approaches, daylight gradually wanes, descending from 14 hours in August to a more subdued 10 hours by October, ultimately landing at December's concise duration. This cyclical pattern reflects the rhythmic dance between light and dark, captivating the essence of life in Shannon throughout the year.
As December rolls into Shannon, Ireland, the winds begin to whisper a story of transition. With an average wind speed of 4.3 m/s (10 mph), December outpaces the earlier months, signaling a noticeable increase in blustery conditions that often accompany the winter chill. This uptick follows a month of steady winds in November, contributing to a pattern of gradual fluctuations throughout the year. Interestingly, the shifts from summer's gentler breezes, like the low 2.6 m/s (6 mph) in July, illustrate how seasonal changes can invigorate the air, transforming it from soft whispers into lively gusts. As the year closes, the winds of December remind us of the dynamic and ever-changing nature of Shannon's weather, blending the remnants of autumn with the chilly embrace of winter.
The weather in Shannon 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 Shannon and find detailed weather information for every month.
December and January weather conditions show some notable differences as well as similarities. In December, temperatures range from a minimum of -3°C (27°F) to a maximum of 14°C (57°F), with an average of 7°C (45°F). The month experiences higher precipitation totaling 123 mm (4.8 in) over 18 days, along with a humidity level of 89%. In contrast, January is slightly cooler, with temperatures dipping to a minimum of -5°C (24°F) and averaging 6°C (43°F), while still reaching a similar maximum of 14°C (58°F). Precipitation in January decreases to 75 mm (3.0 in) over 13 days, and the humidity remains relatively stable at 88%. Overall, January tends to be drier and slightly colder than December. For more detailed weather insights, check Shannon weather in January.
December and February feature quite similar weather patterns, with both months experiencing only slightly varying temperatures. December sees an average temperature of 7°C (45°F), ranging from a minimum of -3°C (27°F) to a maximum of 14°C (57°F), while February has a slightly cooler average of 6°C (44°F) with similar extremes. Precipitation levels are comparable as well, with December receiving 123 mm (4.8 in) and February just a touch less at 121 mm (4.8 in), both spread over 18 days of the month. Humidity remains high in both months, at 89% in December and 88% in February. For those interested in detailed February weather, please refer to Shannon weather in February.
In December, temperatures typically range from a chilly -3°C (27°F) at night to a mild average of 7°C (45°F) during the day, peaking at 14°C (57°F). The month sees considerable precipitation, with 123 mm (4.8 in) spread over 18 days, contributing to a high humidity level of 89%. Conversely, March experiences a slightly colder low of -6°C (21°F), but averages the same daytime temperature of 7°C (45°F) and warms up to a maximum of 17°C (63°F). With a total precipitation of 105 mm (4.1 in) over 17 days and a slightly lower humidity of 87%, March offers a more variable climate as winter transitions into spring. For more detailed information on conditions during March, check out Shannon weather in March.
December and April showcase distinct weather patterns. In December, temperatures range from a chilly -3°C (27°F) to a mild 14°C (57°F), with an average of 7°C (45°F). The month is quite wet, receiving 123 mm (4.8 in) of precipitation over 18 days, coupled with high humidity at 89%. In contrast, April sees slightly warmer temperatures, with a minimum of -2°C (28°F), an average of 9°C (48°F), and a maximum of 21°C (70°F). Precipitation drops significantly to 58 mm (2.3 in) over just 12 days, and humidity is also lower at 86%. For more details on what to expect, check out Shannon weather in April.
In December, temperatures can drop as low as -3°C (27°F), with an average of 7°C (45°F) and a maximum reaching 14°C (57°F). This month also sees considerable precipitation, totaling 123 mm (4.8 in) over 18 days, accompanied by high humidity levels of 89%. In contrast, May experiences milder temperatures with a minimum of 0°C (32°F), an average of 12°C (53°F), and a maximum of 25°C (77°F). Precipitation is lower in May at 72 mm (2.8 in) across 13 days, and the humidity slightly decreases to 83%. For more detailed information on May weather, check out Shannon weather in May.
December and June present contrasting weather conditions. In December, temperatures hover between a chilly minimum of -3°C (27°F) and a maximum of 14°C (57°F), with an average of 7°C (45°F). This month is characterized by significant precipitation, totaling 123 mm (4.8 in) over about 18 days, and high humidity levels at 89%. In stark contrast, June enjoys milder weather with temperatures ranging from a minimum of 5°C (42°F) to a pleasant maximum of 30°C (86°F) and an average of 14°C (58°F). While June experiences less overall precipitation at 71 mm (2.8 in) across 15 days, the humidity is slightly lower at 83%. For more details on June's climate, you can refer to Shannon weather in June.
December and July offer starkly contrasting weather experiences. In December, temperatures typically range from a chilly -3°C (27°F) at night to a mild 14°C (57°F) during the day, while July features a much warmer climate with temperatures spanning from 7°C (44°F) to a pleasant 29°C (84°F). December sees higher precipitation levels, with 123 mm (4.8 in) spread over 18 days, compared to July's 79 mm (3.1 in) over just 13 days. Humidity is slightly higher in December at 89%, but remains relatively high in July at 85%. For more detailed weather information for July, you can check Shannon weather in July.
December and August present distinctly different weather patterns. In December, temperatures range from a chilly minimum of -3°C (27°F) to a mild maximum of 14°C (57°F), with an average of 7°C (45°F). The month sees considerable precipitation, accumulating 123 mm (4.8 in) over 18 days, and high humidity at 89%. In contrast, August offers a more temperate climate with minimum temperatures of 6°C (43°F) and maximums reaching 24°C (76°F), averaging around 15°C (59°F). Although it experiences slightly more precipitation at 126 mm (5.0 in) across 19 days, the humidity is a bit lower at 85%. Overall, December's cold and damp conditions sharply contrast with August's warmer and more pleasant weather. For more details, visit Shannon weather in August.
In comparing the weather between December and September, it's evident that December brings much colder temperatures, with a minimum of -3°C (27°F) and an average of 7°C (45°F), while September enjoys milder conditions, ranging from a minimum of 1°C (35°F) to an average of 13°C (56°F). The maximum temperatures in December peak at 14°C (57°F), substantially lower than September's highs of 26°C (80°F). Additionally, December experiences more precipitation, with 123 mm (4.8 in) over 18 days, compared to September's 91 mm (3.6 in) across 16 days. Although both months have similar humidity levels—89% in December and 88% in September—the overall feel is distinctly different, as Shannon weather in September highlights the transition into autumn with more pleasant temperatures.
In comparing the weather of December and October, December tends to be colder, with temperatures averaging around 7°C (45°F) and a minimum of -3°C (27°F), while October enjoys slightly milder conditions, averaging 11°C (51°F) with a minimum temperature of 0°C (32°F). Precipitation levels are relatively high in both months, with December seeing 123 mm (4.8 in) over 18 days and October recording 106 mm (4.2 in) across 16 days. Additionally, humidity is quite high in both months, though December's 89% is slightly lower than October's 91%. For more detailed insights into October's weather, you can visit Shannon weather in October.
In comparing the weather between November and December, we see a slight drop in temperature, with December's average temperature at 7°C (45°F) compared to November's 8°C (46°F). December also experiences a lower maximum temperature of 14°C (57°F) versus November's 16°C (61°F). Precipitation increases in December, with 123 mm (4.8 in) recorded over 18 days, compared to 98 mm (3.8 in) over 16 days in November. Additionally, humidity remains relatively high in both months, with December at 89% and November slightly higher at 92%. For a more detailed look at November’s weather, you can visit Shannon weather in November.
As December settles in, Shannon transforms into a cozy winter landscape, setting it apart from the milder months earlier in the year. With cooler temperatures hovering around an average of 7°C and frequent cold snaps that can dip to -3°C, residents and visitors alike experience a notable chill in the air. Coupled with relatively high humidity levels of 89%, the weather is often accompanied by a significant number of rainy days—18 in total—resulting in an average precipitation of 123 mm. These elements create a distinctly damp and chilly atmosphere, making December a time for warm gatherings and festive cheer. For more insights into Shannon's climate throughout the year, visit Shannon Climate.