January Weather in Kilkenny, Ireland

Last updated: March 17, 2025

In January, Kilkenny, Ireland, experiences a chilly yet intriguing winter climate. With a maximum temperature reaching 13°C (56°F) and an average of 5°C (42°F), residents and visitors can expect brisk days and cold nights, plunging to a minimum of -6°C (21°F). The city gets a fair share of moisture, accumulating about 51 mm (2.0 in) of rainfall over 10 days, contributing to a high humidity level of 85%. This combination of cool temperatures and wet weather sets a unique backdrop for Kilkenny's stunning historic architecture and vibrant culture, making it a picturesque winter destination.

January Temperature in Kilkenny

In Kilkenny, Ireland, January typically sees temperatures ranging from a chilly -6°C (21°F) at night to a milder 13°C (56°F) during the day, resulting in an average of around 5°C (42°F). This month stands as one of the colder periods of the year, alongside December and March, where nighttime temperatures can dip into the negatives. As the seasons progress into February and March, temperatures gradually rise, hinting at the approaching spring, with February averaging 6°C (43°F) and March reaching 6°C (44°F). The notable trend of increasing warmth becomes more pronounced in the subsequent months, paving the way for a transition from the winter chill to the vibrant, blooming days of spring and summer.

January Weather in Kilkenny: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Kilkenny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344475257615956504543
Data source: Temperature data for Kilkenny generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Kilkenny

January in Kilkenny, Ireland experiences a modest precipitation total of 51 mm (2.0 in), making it a relatively drier month compared to its neighbors. With rainfall occurring on just 10 days, January sets the stage for the wetter months ahead, where February and August surge dramatically to 88 mm (3.5 in) and 91 mm (3.6 in), respectively. Notably, the transition from winter to spring brings a steady increase in both precipitation amounts and frequency, reflecting a typical trend in the Irish climate. As the year progresses, Kilkenny prepares for a rainy spell, culminating in December’s substantial 101 mm (4.0 in), showcasing the county's lush, green landscape that thrives under the nourishing rainfall.

January Precipitation Trends in Kilkenny

The chart displays monthly precipitation patterns in Kilkenny, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec5188795765666792618585101
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Kilkenny

In January, Kilkenny, Ireland experiences a high average humidity of 85%, setting the stage for a year characterized by a consistent level of moisture in the air. This trend continues into the following months, with February and March maintaining similar humidity levels at 86%. The humidity dips slightly to 85% in April and then fluctuates between 83% and 87% through the warmer months, peaking at 87% in October. Throughout the year, moisture levels predominantly hover in the mid-80s%, creating a cool, damp climate that influences both the environment and the lifestyle in this picturesque Irish town. Overall, Kilkenny's humidity presents a pattern of stability, with only minor variations, suggesting an enduring atmosphere of freshness and vibrancy.

January Average Humidity in Kilkenny

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

January UV Index in Kilkenny

In January, Kilkenny enjoys a low UV Index of 1, indicating minimal risk from sun exposure, with a burn time of 45 minutes. As the months progress, the UV Index gradually increases, peaking at 8 during the summer months of June and July, where the burn time drops significantly to just 15 minutes. This clear seasonal trend highlights the importance of sun safety as temperatures rise, transitioning from the low exposure categories of winter to the very high levels of mid-year. By August, the UV Index returns to a high level of 7, then decreases as autumn sets in, bringing back the moderate and low categories in September through December. Understanding this progression helps residents prepare for varying sun exposure throughout the year. For more detailed information, visit the Kilkenny UV Index.

Maximum UV Index Levels in Kilkenny for January

The chart shows the monthly maximum UV Index (UVI) for Kilkenny in January, 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: Kilkenny January 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.

January Sunshine in Kilkenny

In Kilkenny, Ireland, the arrival of January brings a modest 86 hours of sunshine, setting the stage for a gradual increase as the year unfolds. As winter gives way to spring, February sees a cheerful rise to 145 hours, hinting at the warmer days ahead. March continues this trend with 195 hours, while April bursts forth with 301 hours, showcasing a more vibrant landscape under the sun's embrace. The sunshine peaks in the summer months, particularly in July, with an impressive 397 hours, offering long, bright days perfect for exploring Kilkenny's rich heritage. However, as autumn approaches, the hours begin to wane, dropping to 297 hours in September before further declining to 128 hours by November and 105 hours in December. This cyclical dance of light reflects Kilkenny's changing seasons, inviting both locals and visitors to savor each sunny moment throughout the year.

Monthly Sunshine Duration in Kilkenny: January Highlighted

The January sunshine duration represents the total number of hours Kilkenny experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec86h145h195h301h392h388h397h342h297h239h128h105h
Data source: Kilkenny January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kilkenny During January

In Kilkenny, Ireland, January offers a 27% chance of sunny weather, placing it relatively high compared to other winter months. As we transition into February, the likelihood of sunshine dips to 22%, while March sees a further drop to 20%, indicating that early spring is typically cloudier. Interestingly, the chances of sun begin to rise again sharply in April, reaching 42%, marking a notable turnaround as spring fully sets in. This pattern suggests that while January brings a modest opportunity for sunny days, the overall trend indicates a gradual improvement in weather conditions as the year progresses, with May and June still reflecting sunny possibilities at 28% and 22% respectively. Thus, for those seeking brighter skies, it’s wise to anticipate a notable increase in sunshine as winter fades into spring.

Percentage of Sunny Days in January in Kilkenny

The chart illustrates the percentage of sunny days in Kilkenny throughout the year, with January 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 Kilkenny experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%22%20%42%28%22%27%24%18%16%26%19%
Data source: Kilkenny January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kilkenny in January

In Kilkenny, Ireland, the January daylight duration marks the beginning of a gradual shift towards longer days, offering approximately 8 hours of daylight. As the month transitions into February, light increases to 9 hours, hinting at the forthcoming spring. The trend continues to blossom in March with 11 hours, and by April, daylight extends to a full 13 hours as nature awakens. The peak of daylight occurs in June and July, each boasting an impressive 16 hours, perfect for enjoying long summer evenings. As summer wanes, daylight begins to fade, dropping to 14 hours in August and tapering off to 10 hours by October. November and December then return to shorter days, with just 8 hours and 7 hours of light, respectively, as winter sets in, completing the cycle of fluctuating daylight throughout the year.

Average Daylight Hours in Kilkenny for January

The chart illustrates the variation in daylight duration in Kilkenny throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 12m9h 52m11h 54m13h 59m15h 49m16h 47m16h 16m14h 37m12h 36m10h 32m8h 40m7h 40m
Data source: Kilkenny daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Kilkenny

In January, the wind in Kilkenny, Ireland whispers softly with an average speed of 3.7 m/s (8 mph), setting a calm yet brisk tone for the new year. As winter eases into early spring, February stirs things up, bringing a noticeable increase to 5.0 m/s (11 mph). The winds mellow slightly in March before dipping again in April, where they reach their lowest at 3.0 m/s (7 mph). Interestingly, May and June mirror January's tranquility with average speeds returning to 3.7 m/s (8 mph) and 3.4 m/s (8 mph), maintaining a gentle ambiance. However, the latter half of the year sees a gradual decline, hitting its annual low in July at 2.6 m/s (6 mph), before slightly bouncing back in October with 4.0 m/s (9 mph). Overall, January serves as a gentle prelude, embodying the ebb and flow of Kilkenny's wind patterns throughout the year, which transition from brisk beginnings to the calm of summer, only to regain momentum as autumn approaches.

Average January Wind Speed in Kilkenny

The chart displays monthly wind speed patterns in Kilkenny, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.7 m/s5.04.03.03.73.42.63.22.94.03.74.2
Data source: Kilkenny January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Kilkenny Compares to Other Months

The weather in Kilkenny changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Kilkenny and find detailed weather information for every month.

January and February present a gradual warming trend in weather conditions. In January, temperatures range from a chilly minimum of -6°C (21°F) to an average of 5°C (42°F), peaking at 13°C (56°F). The month sees approximately 51 mm (2.0 in) of precipitation over 10 days, with humidity levels at a relatively high 85%. In contrast, February offers slightly milder temperatures, with a minimum of -4°C (25°F) and an average of 6°C (43°F), reaching up to 14°C (58°F). However, it is a wetter month, accumulating 88 mm (3.5 in) of precipitation over 16 days, and just a touch more humidity at 86%. For more detailed insights, you can check Kilkenny weather in February.

In January, temperatures in Kilkenny typically range from a chilly -6°C (21°F) to a mild 13°C (56°F), with an average of 5°C (42°F). The month sees around 51 mm (2.0 in) of precipitation over approximately 10 days and maintains a high humidity level of 85%.

In contrast, March experiences slightly colder minimum temperatures at -8°C (17°F), but the average increases to 6°C (44°F), reaching a maximum of 17°C (63°F). However, it also brings more rainfall, with 79 mm (3.1 in) of precipitation spread across 15 days and a marginally higher humidity of 86%. Thus, while March begins to show signs of warming compared to January, it also brings increased precipitation and a continuation of cool temperatures. For more detailed information, check out Kilkenny weather in March.

January weather is characterized by colder temperatures, ranging from a minimum of -6°C (21°F) to a maximum of 13°C (56°F), with an average temperature of 5°C (42°F). The month sees about 51 mm (2.0 in) of precipitation over approximately 10 days, accompanied by high humidity levels of 85%. In contrast, April experiences a notable warming trend, with minimum temperatures of -3°C (26°F) and maximums reaching 20°C (69°F), resulting in an average temperature of 8°C (47°F). Precipitation increases slightly to 57 mm (2.2 in) over 11 days, while humidity remains steady at 85%. Overall, April offers milder conditions compared to the chilly January climate. For more detailed insights into the weather in Kilkenny during April, visit Kilkenny weather in April.

In comparing the weather between January and May, it’s clear that May brings a significant increase in temperature and overall comfort. In January, temperatures typically range from a chilly -6°C (21°F) at night to a mild 13°C (56°F) during the day, whereas May sees temperatures ranging from a minimum of -2°C (29°F) to a pleasant maximum of 23°C (74°F). Precipitation is slightly higher in May at 65 mm (2.5 in) over 11 days compared to January’s 51 mm (2.0 in) over 10 days, but the overall humidity remains quite similar, with January at 85% and May at 83%. These differences highlight the transition from winter's crisp chill to the warmer, more inviting climate of early summer. For more details on May weather, check out Kilkenny weather in May.

In January, the weather in Kilkenny can be quite chilly, with temperatures ranging from a low of -6°C (21°F) to a high of 13°C (56°F), and an average of 5°C (42°F). The month sees around 51 mm (2.0 in) of precipitation over approximately 10 days, with humidity consistently high at 85%. In contrast, June brings much warmer temperatures, with a minimum of 4°C (39°F) and a maximum of 28°C (83°F), leading to an average of 14°C (58°F). Although June experiences slightly more precipitation at 65 mm (2.6 in) over about 12 days, the humidity remains the same at 85%. For a more detailed overview, check out Kilkenny weather in June.

In January, temperatures in Kilkenny can be quite chilly, with minimums dipping to -6°C (21°F) and daily averages around 5°C (42°F), while the maximum temperature reaches a mild 13°C (56°F). Precipitation is relatively light during this month, with about 51 mm (2.0 in) of rain spread over 10 days, and the humidity remains high at 85%. In contrast, July brings a significant warmth, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 28°C (82°F), averaging around 16°C (61°F). Rainfall increases slightly to 67 mm (2.6 in) over 12 days, and humidity remains similar at 86%. For a detailed look at what to expect, you can check Kilkenny weather in July.

In January, the weather is quite chilly, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 13°C (56°F), and an average temperature of 5°C (42°F). The month experiences around 51 mm (2.0 in) of precipitation over approximately 10 days, with humidity remaining high at 85%. In contrast, August brings a much milder climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 24°C (76°F), averaging 15°C (59°F). During this month, precipitation increases to 91 mm (3.6 in) over about 15 days, while humidity remains consistent at 85%. For more specific details about weather conditions, check out Kilkenny weather in August.

In January, the weather is quite chilly, with temperatures ranging from a low of -6°C (21°F) to a maximum of 13°C (56°F) and an average of 5°C (42°F). The month experiences about 51 mm (2.0 in) of rainfall over approximately 10 days, accompanied by high humidity levels of 85%. In contrast, September offers a much milder climate, with temperatures varying from -1°C (31°F) to a comfortable high of 25°C (78°F), averaging around 13°C (56°F). Although September has slightly more precipitation at 61 mm (2.4 in) over about 11 days, it remains a more pleasant month compared to the depths of winter. For more details on the weather in Kilkenny during September, check out Kilkenny weather in September.

January and October present distinct weather patterns, highlighting the transition between winter and autumn. In January, temperatures range from a minimum of -6°C (21°F) to a maximum of 13°C (56°F), with an average of 5°C (42°F) and about 51 mm (2.0 in) of precipitation over 10 days, accompanied by high humidity at 85%. In contrast, October experiences milder temperatures, with a minimum of -2°C (28°F) and a maximum of 19°C (66°F), averaging around 10°C (51°F). This month also sees increased precipitation at 85 mm (3.4 in) spread across 14 days, while humidity slightly rises to 87%. For more details on the weather in October, visit Kilkenny weather in October.

In comparison to January, November tends to be slightly milder, with average temperatures ranging from -3°C to a maximum of 15°C, while January sees a minimum of -6°C and a maximum of 13°C. Rainfall is also more pronounced in November, accumulating about 85 mm over 13 days, compared to January's 51 mm over 10 days. The humidity is relatively stable, with November at 86% and January at 85%. For more detailed information, you can visit Kilkenny weather in November.

In January, the weather shows a slight cooling trend compared to December, with average temperatures dropping from 6°C (44°F) to 5°C (41°F). Both months share the same minimum temperature of -6°C (21°F), but January has a lower maximum temperature of 13°C (56°F), compared to December's 14°C (57°F). Precipitation in January is notably less, totaling 51 mm (2.0 in) over 10 days, while December experiences a higher amount of rain at 101 mm (4.0 in) over 15 days. Humidity remains relatively stable with January at 85% and December at 84%. For a detailed look at December weather specifics, visit Kilkenny weather in December.

Compare Kilkenny's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Kilkenny

In January, Kilkenny experiences a distinct shift in weather patterns compared to other months of the year. The coldest temperatures often dip to -6°C, creating a chill that hangs in the air with an average of 5°C. Precipitation is also a notable feature, as the city sees about 51 mm of rain over roughly 10 days, which adds to the wintery atmosphere and elevates humidity levels to around 85%. While January can be dreary, its crisp air and occasional frosty mornings offer a unique charm that sets it apart. For those seeking detailed insights into Kilkenny's climatic trends, explore the comprehensive data at Kilkenny Climate.