December Weather in New Ross, Ireland

Last updated: March 17, 2025

December in New Ross, Ireland, offers a blend of winter chill and frequent rainfall, characterized by a maximum temperature of 14°C (57°F) and an average of 7°C (44°F). As temperatures dip to a brisk minimum of -5°C (24°F), the town experiences high humidity levels at 84%, creating a brisk, damp atmosphere. With 103 mm (4.0 in) of rain falling over approximately 13 days, residents are well-advised to keep an umbrella handy. Whether you're exploring the picturesque streets or enjoying the cozy warmth of local cafés, December presents a uniquely enchanting experience in New Ross.

December Temperature in New Ross

In December, New Ross, Ireland welcomes the beginning of winter with temperatures that showcase the season's chill. The month typically sees lows around -5°C (24°F), making it one of the coldest times of the year. However, daytime temperatures reveal a slight warmth with an average of 7°C (44°F) and highs reaching 14°C (57°F). This trend of fluctuating temperatures hint at a transition, as the region shifts from the brisk conditions of November, which experienced slightly milder averages. As the year draws to a close, residents can expect a chilly yet relatively moderate December, where the ambiance captures the essence of holiday cheer amidst the crisp air.

December Weather in New Ross: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in New Ross, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344475258616056514644
Data source: Temperature data for New Ross 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.

December Precipitation in New Ross

In New Ross, Ireland, December marks a significant peak in precipitation, with an impressive 103 mm (4.0 in) of rainfall over 13 days. This not only positions December as the wettest month of the year but also reflects a steady climb in rainfall as winter sets in, following the preceding months of November and October, which also experienced ample rain. The average precipitation tends to increase as the year draws to a close, with the festive season overshadowed by the likelihood of damp days. With December's figures combined with the other months, a clear trend emerges—while summer tends to be relatively drier, the autumn and early winter months herald a reminder of Ireland's temperate maritime climate, characterized by its consistent and often heavy rains.

December Precipitation Trends in New Ross

The chart displays monthly precipitation patterns in New Ross, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec4892796565676296648997103
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in New Ross

In New Ross, Ireland, December brings a slight dip in humidity, averaging around 84%, marking a gentle decline from the higher levels experienced in the previous months. Throughout the year, humidity remains relatively high, with most months hovering between 85% and 87%. The consistency in humidity levels from January to November indicates the region's maritime climate, yet December serves as a transition into slightly drier conditions. This shift is subtle, reflecting the gradual change of the seasons, while still retaining the characteristic dampness that defines this coastal locale. Overall, as the year winds down, New Ross experiences a stable humidity profile, making it a unique element of its atmospheric charm.

December Average Humidity in New Ross

This chart illustrates the average monthly humidity levels in New Ross, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in New Ross

In December, New Ross experiences a return to the low UV Index of 1, reminiscent of the conditions in January and November. With a burn time of 45 minutes, this month provides a comforting cushion against sun exposure, encouraging outdoor activities without the usual worry of sunburn. As we move through the year, the UV Index climbs steadily from moderate levels in spring to very high peaks during the summer months of June and July, before tapering off again in the cooler autumn and winter. This downward trend in December invites residents to enjoy the crisp air with fewer sun safety concerns. For more details on sun exposure throughout the year, check out the New Ross UV Index.

Maximum UV Index Levels in New Ross for December

The chart shows the monthly maximum UV Index (UVI) for New Ross in December, 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: New Ross December 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.

December Sunshine in New Ross

In New Ross, Ireland, December typically ushers in a notable decline in sunshine, with only 110 hours of sunshine being recorded. This drop is part of a broader trend observed throughout the winter months, as the year wraps up following a peak in sunlight during the summer. From a high of 408 hours in July, the hours of daylight steadily decrease, leading to a significant reduction in December's sunlight. This seasonal rhythm highlights the contrast between the vibrant, sun-drenched days of spring and summer, peaking at 401 hours in May, and the shorter, gloomier days that characterize late autumn and winter. Such trends not only affect the landscape but also influence the spirit of the town, making those rare sunny days in December all the more precious.

Monthly Sunshine Duration in New Ross: December Highlighted

The December sunshine duration represents the total number of hours New Ross experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec93h150h206h310h401h398h408h358h308h245h135h110h
Data source: New Ross December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in New Ross During December

In December, New Ross, Ireland sees a modest likelihood of sunny weather, with a 21% chance of sunshine. This is in line with the generally low sunshine percentages characteristic of the winter months. As the year winds down, the chance of sun tends to dip, peaking in April at 43%, before gradually declining into the colder season. Comparatively, December's sunshine likelihood is slightly below the averages of the preceding months, particularly notable in November, which enjoys a slightly higher 28% chance. As winter envelops the region, residents and visitors can expect more overcast days than bright ones, making any sunny spells in December a delightful surprise.

Percentage of Sunny Days in December in New Ross

The chart illustrates the percentage of sunny days in New Ross throughout the year, with December 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 New Ross experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%22%23%43%29%23%29%26%19%17%28%22%
Data source: New Ross December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in New Ross in December

In New Ross, Ireland, the journey through the year showcases a striking transformation in daylight duration. Starting with 8 hours of daylight in January, the days gradually lengthen, reaching a peak of 16 hours during the summer months of June and July. This lush brightness wanes as autumn turns to winter, with daylight diminishing to 12 hours in September, 10 hours in October, and ultimately descending to just 7 hours in December. This rhythmic ebb and flow of sunlight not only marks the changing seasons but also highlights the stark contrasts between the long, vibrant days of summer and the brief, cozy daylight of winter. The interplay of longer days in spring and summer against the shorter, darker months serves as a beautiful reminder of nature's cycles.

Average Daylight Hours in New Ross for December

The chart illustrates the variation in daylight duration in New Ross throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 14m9h 53m11h 54m13h 58m15h 47m16h 44m16h 14m14h 36m12h 36m10h 33m8h 42m7h 42m
Data source: New Ross daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in New Ross

As December settles in New Ross, Ireland, the wind picks up its pace, averaging 4.3 m/s (10 mph), making it one of the breezier months of the year. This uptick in wind speed marks a notable shift from the calmer summer months, where July recorded its lowest average at 2.7 m/s (6 mph). Throughout the year, wind speeds generally fluctuate, peaking in February at 5.2 m/s (12 mph) and ebbing toward the end of summer. Despite the dip in wind during the warmer months, December’s refreshing gusts signify a transition into winter, invigorating the landscape with a brisk chill. As the year closes, the winds remind us of Ireland's ever-changing climate, intertwining drama and tranquility in equal measure.

Average December Wind Speed in New Ross

The chart displays monthly wind speed patterns in New Ross, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.75.24.03.03.83.42.73.32.94.03.64.3 m/s
Data source: New Ross December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in New Ross Compares to Other Months

The weather in New Ross 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 New Ross and find detailed weather information for every month.

December and January share similar minimum temperatures, both dipping as low as -5°C (24°F), but January tends to be slightly cooler on average, with an average temperature of 6°C (42°F) compared to December's 7°C (44°F). The maximum temperatures are also marginally lower in January, reaching up to 13°C (56°F) versus December’s 14°C (57°F). When it comes to precipitation, December is notably wetter with 103 mm (4.0 in) over 13 days, while January sees less rain at 48 mm (1.9 in) across 10 days. Humidity remains quite high in both months, with January experiencing a slightly higher level at 85%, compared to December's 84%. For more information on January weather, you can check out New Ross weather in January.

In December, temperatures typically range from a minimum of -5°C (24°F) to a maximum of 14°C (57°F), with an average temperature of 7°C (44°F). The month sees about 103 mm (4.0 in) of precipitation over approximately 13 days, coupled with a humidity level of 84%. In contrast, February has slightly milder temperatures, with a minimum of -4°C (25°F) and a maximum of 14°C (58°F), averaging 6°C (44°F). Precipitation decreases to 92 mm (3.6 in) over about 15 days, with humidity slightly higher at 86%. For more details, check New Ross weather in February.

In December, temperatures range from a chilly minimum of -5°C (24°F) to a mild maximum of 14°C (57°F), with an average of 7°C (44°F). The month experiences relatively high precipitation, totaling 103 mm (4.0 in) over 13 days, and maintains a humidity level of 84%. In contrast, March sees slightly colder nights with a minimum of -7°C (20°F) and warms up to a maximum of 17°C (62°F), averaging the same 7°C (44°F) as December. Precipitation in March is lower, at 79 mm (3.1 in) across 15 days, and humidity is slightly higher at 86%. Overall, while both months share similar average temperatures, March tends to be drier and slightly warmer during the day. For more detailed weather insights, you can refer to New Ross weather in March.

December and April present distinctly different weather experiences. In December, temperatures range from a chilly -5°C (24°F) at their lowest to a mild 14°C (57°F) at their highest, with an average of 7°C (44°F). The month is characterized by high humidity at 84% and considerable precipitation, totaling 103 mm (4.0 in) over 13 days. In contrast, April offers a more temperate climate, with temperatures varying from -3°C (27°F) to a comfortable 20°C (68°F) and an average of 9°C (48°F). Precipitation is also lower at 65 mm (2.6 in) over 11 days, while humidity remains similar at 85%. For more details about the weather in April, you can visit New Ross weather in April.

In December, the weather is considerably cooler, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (57°F), and an average of 7°C (44°F). The month is also marked by higher precipitation levels, averaging 103 mm (4.0 in) over 13 days, contributing to a humidity level of 84%. In contrast, May enjoys milder temperatures, where the minimum starts at -2°C (29°F) and can reach as high as 23°C (73°F), creating an average of 11°C (53°F). Rainfall decreases to 65 mm (2.5 in) over 10 days, with a similar humidity level of 83%. For a closer look at the weather patterns in May, check this link: New Ross weather in May.

December and June present notably different weather conditions. In December, temperatures are chillier, ranging from a minimum of -5°C (24°F) to a maximum of 14°C (57°F), with an average of 7°C (44°F). The month experiences higher precipitation, totaling 103 mm (4.0 in) over 13 days, and humidity levels are around 84%. In contrast, June showcases milder weather, with temperatures varying from a minimum of 5°C (41°F) to a maximum of 28°C (82°F), averaging 14°C (58°F). This month has lower precipitation, measuring 67 mm (2.7 in) across 12 days, and a similar humidity of 85%. For more details on weather conditions during this month, you can check New Ross weather in June.

December and July present strikingly different weather patterns. In December, temperatures can dip as low as -5°C (24°F), with an average of 7°C (44°F) and a maximum of 14°C (57°F). This month also experiences significant precipitation, totaling 103 mm (4.0 in) across 13 days, accompanied by high humidity levels at 84%. In contrast, July showcases a much warmer climate, with temperatures ranging from a minimum of 6°C (42°F) to a pleasant average of 16°C (61°F) and a maximum of 27°C (81°F). Precipitation is lighter at 62 mm (2.4 in) over 11 days, with humidity slightly elevated at 86%. For further insights into June weather specifics, check out New Ross weather in July.

When comparing the weather in December and August, it's clear that each month brings distinct characteristics. December experiences colder temperatures, with averages ranging from a chilly -5°C (24°F) at its lowest to a mild 14°C (57°F) at its peak. In contrast, August offers a much warmer climate, featuring minimum temperatures around 6°C (42°F) and maximums reaching up to 24°C (76°F). Precipitation levels are fairly similar, with December receiving 103 mm (4.0 in) over 13 days and August slightly less at 96 mm (3.8 in) across 14 days. Humidity remains high in both months, with December at 84% and August at 85%, creating a consistently damp atmosphere. For more details on what to expect, check out New Ross weather in August.

December weather is notably colder than September, with average temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (57°F), while September enjoys milder conditions, with temperatures varying from 0°C (33°F) to 25°C (77°F). In terms of precipitation, December sees more rainfall, totaling 103 mm (4.0 inches) over 13 days, compared to September's 64 mm (2.5 inches) across 11 days. Additionally, both months exhibit high humidity levels, with December at 84% and September slightly higher at 86%. For a deeper look at September weather, check New Ross weather in September.

When comparing October and December weather, October tends to be milder, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 18°C (65°F), contrasted with December's cooler range of -5°C (24°F) to 14°C (57°F). Additionally, October experiences slightly less precipitation at 89 mm (3.5 in) over 13 days, while December has more rainfall at 103 mm (4.0 in) over the same number of days. Humidity levels are relatively close, with October at 87% and December at 84%, making both months feel damp and chilly. For more details on October weather specifically, you can check New Ross weather in October.

When comparing the weather in December to that of November, it's noticeable that December tends to be slightly cooler, with an average temperature of 7°C (44°F) compared to November's average of 8°C (46°F). The maximum temperatures are also a bit lower in December, reaching up to 14°C (57°F) versus November's 15°C (59°F). Precipitation is somewhat higher in December at 103 mm (4.0 in), with rain occurring on 13 days compared to 97 mm (3.8 in) over 14 days in November. Additionally, humidity levels are marginally lower in December at 84%, while November sees a humidity of 86%. For more detailed information on November weather, you can visit New Ross weather in November.

Compare New Ross's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in New Ross

December in New Ross brings a notable shift in weather, characterized by cooler temperatures and increased humidity, setting it apart from the milder months of the year. As winter sets in, the landscape often witnesses a mix of tranquil days and frequent rain, with an average of 13 wet days contributing to a significant layer of precipitation. These conditions create a distinctly crisp atmosphere as the year draws to a close, making December a unique experience for residents and visitors alike. To learn more about how December's weather compares with the rest of the year, visit New Ross Climate.