Last updated: March 17, 2025
January in Arklow, Ireland presents a chilly maritime climate, with average temperatures hovering around 6°C (43°F). The month sees maximum highs of 13°C (56°F) and plunging lows to -2°C (28°F), illustrating the breadth of winter's chill. Rainfall is a consistent feature, contributing 53 mm (2.1 in) of precipitation over approximately 10 days, while humidity levels remain high at 85%. This combination of cool temperatures and frequent showers creates a typically damp and overcast atmosphere, characteristic of Irish winter weather.
In Arklow, Ireland, January ushers in a chilly start to the year, with temperatures ranging from a brisk -2°C (28°F) at night to a relatively mild 13°C (56°F) during the day. The average temperature hovers around 6°C (43°F), indicating a blend of cold snaps and occasional milder days. As winter progresses into February, the temperatures dip slightly, with nighttime lows reaching -3°C (28°F) and daytime highs peaking at 14°C (58°F). This pattern points to a gradual but noticeable shift as months roll into spring, where temperatures slowly climb. By March, the average nudges up to 7°C (45°F), reflecting the region's transition from winter chill to early spring warmth. These trends highlight the temperate maritime climate of Arklow, where the winters are cold yet punctuated with warmer spells, paving the way for the lighter, breezier days of spring ahead.
January in Arklow, Ireland, typically ushers in moderate precipitation, with an average of 53 mm (2.1 in) across approximately 10 rainy days. This sets a tone for the wetter months ahead, as February sees a significant increase to 87 mm (3.4 in) over 15 days. The trend continues into late winter and early spring, with March maintaining 79 mm (3.1 in) and keeping the number of rainy days steady. As the year progresses, precipitation amounts swell, peaking in November with 108 mm (4.3 in), highlighting the seasonal shift towards a wetter climate. Overall, January serves as a gentle precursor to the increasing rainfall, laying the groundwork for the Ireland's lush landscapes to thrive throughout the year.
January in Arklow, Ireland, welcomes the new year with a humidity level of 85%, setting the tone for a month typical of the region's maritime climate. This level of moisture lingers throughout the winter months, with February and March slightly increasing to 86%, reflecting the often overcast skies characteristic of this time of year. As spring approaches, humidity remains consistently high, dipping only marginally to 83% in May before climbing back to 85% in June. The summer months maintain this trend, with July and September peaking at 86%, offering a blend of warmth and wetness. Notably, October marks the month with the highest humidity at 87%, while December cools down slightly to 84%. Overall, Arklow's humidity remains a constant presence, shaping its cool, damp atmosphere throughout the year.
In January, Arklow, Ireland, enjoys a refreshing yet cautious approach to sun exposure with a UV Index of 1, marking it as a month of low exposure risk where you can safely spend about 45 minutes outdoors without significant concern for sunburn. As the year progresses into February and the UV index slightly rises to 2, the sun remains gentle, allowing for the same burn time. By March, however, the index escalates to 4, indicating a transition into the moderate exposure category, reducing burn time to 30 minutes. This trend continues through April, where the UV Index reaches 5, prompting greater care as the days grow sunnier. The UV levels peak in June and July with a remarkable 8, classified as very high, requiring protective measures for any outdoor activity, as your skin could burn in just 15 minutes. As summer wanes into autumn, the UV Index gradually descends, returning to 4 by October, and comfortably resting at 2 in November and 1 in December, making the latter months ideal for leisurely outdoor activities without the intense sun exposure. For more detailed insights on the UV Index throughout the year, visit Arklow UV Index.
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In January, Arklow, Ireland, welcomes the year with a modest 91 hours of sunshine, setting a tranquil tone for winter. As the days lengthen, February brings a notable increase to 155 hours, hinting at the arrival of spring. The sun continues to shine brighter in March, with 212 hours illuminating the landscape, while April bursts forth with an impressive 324 hours, inviting outdoor activities. This upward trend peaks in May and July, where sunshine reaches 409 and 411 hours respectively, showcasing the height of summer vibrancy. Even in the later months, August maintains a healthy 366 hours, before a gradual decline begins in the fall. By October, hours decrease to 247, leading into the cozier, shorter days of November and December, where the sunshine retreats to 134 and 109 hours. This annual cycle reflects not just the changing seasons, but also the rhythmic dance of light that shapes life in this charming coastal town.
In January, Arklow, Ireland experiences a modest 26% chance of sunny weather, setting the stage for the long winter season. While this percentage may seem low, it actually marks a peak across the early months of the year, with February and March following closely at 21% and 25% respectively. It's interesting to note that the likelihood of sunshine begins to rise significantly as spring approaches, hitting 48% in April and staying above 30% in May. This trend hints at a gradual transition towards brighter and sunnier days as the year progresses, making January a relatively dim start compared to the sunnier conditions that lie ahead.
In Arklow, Ireland, January marks the beginning of a gradual increase in daylight duration, offering about 8 hours of light each day. As the winter gives way to spring, February sees a modest rise to 9 hours, setting the stage for a more pronounced shift in March, when daylight expands to 11 hours. This upward trend continues, reaching 13 hours in April and peaking at an impressive 16 hours during the summer months of June and July. Following this peak, the days gradually shorten, with August still enjoying 14 hours of daylight before a decline to 12 hours in September. By the time November arrives, daylight dwindles back to 8 hours, eventually tapering to just 7 hours in December. This annual cycle highlights the dynamic interplay between daylight and the changing seasons, offering a vibrant story of nature’s rhythms in Arklow.
In January, Arklow, Ireland, greets the New Year with a gentle average wind speed of 4.7 m/s (10 mph), setting a mellow tone for the winter months. As the season progresses into February, the winds pick up, reaching 6.3 m/s (14 mph), offering hints of spring's approach. However, by March, the winds recede slightly to 4.8 m/s (11 mph), maintaining a balance between briskness and comfort. April brings even calmer winds at 3.6 m/s (8 mph), suggesting a tranquil transition, while the coastal breezes remain mild through May and June. A notable shift occurs in July, where the wind speeds dip to 2.9 m/s (6 mph), marking the peak of summer serenity. As autumn arrives in September, the winds begin to pick back up slightly, before peaking once again in the briskness of October and December, both reaching 5.1 m/s (11 mph). Overall, January serves as the starting point for a dynamic wind pattern that reflects the shifting seasons along the Irish coast.
The weather in Arklow 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 Arklow and find detailed weather information for every month.
In comparing January and February, both months exhibit similar average temperatures, hovering around 6°C (43°F) in January and slightly warmer at 6°C (44°F) in February. However, February sees a slight drop in minimum temperature, averaging at -3°C (28°F) compared to January's -2°C (28°F). Notably, February experiences increased precipitation, totaling 87 mm (3.4 in) over 15 days, whereas January has less rainfall at 53 mm (2.1 in) over 10 days. Humidity remains high in both months, with February just edging out January at 86% compared to January's 85%. For more detailed weather information, you can check Arklow weather in February.
In comparison to January, March experiences slightly milder temperatures, with an average of 7°C (45°F) compared to January's 6°C (43°F). However, March can be chillier at its minimum, reaching as low as -5°C (23°F), whereas January's minimum is -2°C (28°F). Precipitation also increases in March, with 79 mm (3.1 in) spread over about 15 days, compared to January's 53 mm (2.1 in) over 10 days. Humidity remains quite consistent, with January at 85% and March slightly higher at 86%. For more detailed insights, check out Arklow weather in March.
In January, the weather is generally colder, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F). In contrast, April sees a slight increase in warmth, with average temperatures ranging from -2°C (29°F) to a maximum of 18°C (65°F). Both months experience similar levels of humidity, around 85%, but April tends to have a bit more precipitation, totaling 55 mm (2.2 in) over 11 days compared to January's 53 mm (2.1 in) over 10 days. For a detailed look at the weather during April, you can visit Arklow weather in April.
In January, the weather is characterized by colder temperatures, with a minimum of -2°C (28°F) and an average of 6°C (43°F), while the maximum reaches only 13°C (56°F). The month sees about 53 mm (2.1 in) of precipitation spread over 10 days, and the humidity levels are relatively high at 85%. In contrast, May brings a significant warming trend, with minimum temperatures rising to 1°C (33°F), an average of 11°C (52°F), and a pleasant maximum of 21°C (69°F). Although May experiences slightly more precipitation at 70 mm (2.8 in) over 12 days, the humidity is marginally lower at 83%. For a closer look at the weather specifics in May, check Arklow weather in May.
January and June present strikingly different weather conditions in Arklow. In January, the temperatures range from a chilly minimum of -2°C (28°F) to a comfortable maximum of 13°C (56°F), with an average of 6°C (43°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 10 days, coupled with high humidity at 85%. In contrast, June brings a significant rise in temperatures, with minimums at 6°C (43°F) and maximums soaring to 25°C (77°F), averaging 14°C (57°F). Although June sees more precipitation at 67 mm (2.6 in) over 13 days, the humidity remains consistent at 85%. For a detailed look at June conditions, you can check Arklow weather in June.
In January, the weather in Arklow is quite chilly, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), and significant humidity at 85%. The month experiences around 53 mm (2.1 in) of precipitation over approximately 10 days. In contrast, July boasts much warmer temperatures, with an average low of 7°C (45°F) and reaching up to 25°C (78°F) at its highest. Although July has slightly more rainfall at 68 mm (2.7 in) over about 13 days, the humidity remains relatively high at 86%. For a more detailed look, you can check Arklow weather in July.
When comparing January and August, notable differences in weather patterns emerge. January typically experiences colder temperatures, with minimums dipping to -2°C (28°F) and an average of 6°C (43°F), while August enjoys milder conditions, with minimums around 7°C (45°F) and a significantly warmer average of 15°C (60°F). Precipitation is more frequent in August, falling on 15 days and totaling 96 mm (3.8 in), compared to January's 53 mm (2.1 in) over 10 days. Interestingly, both months share the same humidity level of 85%. For more detailed insights, you can check Arklow weather in August.
In January, the weather in Arklow is quite cool, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), averaging around 6°C (43°F). The month experiences moderate precipitation, with 53 mm (2.1 in) over approximately 10 days, and holds a high humidity level of 85%. In contrast, September boasts milder temperatures with a minimum of 3°C (37°F) and a maximum of 23°C (73°F), averaging 14°C (57°F). This month sees increased precipitation at 76 mm (3.0 in) distributed over about 13 days, while humidity remains slightly higher at 86%. Overall, September offers a more pleasant climate compared to the chilly winter month of January. For more detailed information, check Arklow weather in September.
January and October weather presents a striking contrast in terms of temperature and precipitation patterns. January typically features colder temperatures, with a minimum of -2°C (28°F) and an average high of 13°C (56°F), while October shows a milder climate with a minimum of 1°C (34°F) and average highs reaching up to 18°C (65°F). In terms of precipitation, October is wetter, receiving 93 mm (3.6 in) over approximately 14 days, compared to January's 53 mm (2.1 in) over 10 days. Both months have relatively high humidity levels, with January at 85% and October slightly higher at 87%. For a detailed look at October weather specifically, you can visit Arklow weather in October.
In January, the weather tends to be colder, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), while November experiences milder temperatures, with averages between 0°C (33°F) and 15°C (59°F). January also sees less precipitation, totaling 53 mm (2.1 in) over about 10 days, compared to November's significantly higher 108 mm (4.3 in) across approximately 15 days. Humidity levels in both months are quite similar, with January at 85% and November slightly higher at 86%. For a closer look at November weather specifics, you can visit Arklow weather in November.
In January, temperatures range from a chilly -2°C (28°F) at night to a mild 13°C (56°F) during the day, with an average of 6°C (43°F). The month sees around 53 mm (2.1 in) of precipitation over approximately 10 days, coupled with a relatively high humidity of 85%. In contrast, December experiences slightly warmer weather with similar minimum and maximum temperatures, but an average of 7°C (44°F). However, it also brings significantly more rainfall, totaling 107 mm (4.2 in) over about 14 days, and maintains a comparable humidity level of 84%. For a more detailed look at December weather, you can check Arklow weather in December.
As January settles over Arklow, it brings a distinct chill that sets it apart from the milder months. With average temperatures hovering around a brisk 6°C and the occasional dip to a minimum of -2°C, winter's grip is clearly felt. Despite the relatively low precipitation levels, the 85% humidity creates a biting dampness that can make the cold feel even more penetrating. While January may present fewer rainy days than other seasons, the crisp air and seasonal beauty offer a unique charm that invites locals and visitors alike to embrace the winter. For a more detailed understanding of seasonal weather patterns, explore Arklow Climate.