Last updated: March 17, 2025
In January, Dundrum, Ireland experiences a chilly climate characterized by an average temperature of 5°C (42°F), with highs reaching 13°C (56°F) and lows dipping to -3°C (26°F). The month is notably humid, with humidity levels hovering around 85%, contributing to a damp atmosphere. Residents can expect precipitation on about 10 days, accumulating to a total of 57 mm (2.2 in), making it essential to prepare for wet conditions. While the cold may deter some, the picturesque winter landscape invites locals and visitors alike to explore the serene beauty of this charming Irish village.
In Dundrum, Ireland, January brings a chill with temperatures ranging from a brisk -3°C (26°F) at night to a mild 13°C (56°F) during the day. As winter settles in, the average daily temperature hovers around 5°C (42°F), indicating a cold but bearable start to the year. Notably, the month can experience significant fluctuations, with dips as low as -5°C (24°F) in early March and highs nudging towards 14°C (58°F) in February. This pattern highlights a gradual warming trend leading into spring, with each month steadily inching upward toward the more temperate days of April and May, where temperatures can reach up to 21°C (71°F). Overall, January serves as a transitional gateway, with its crisp air giving way to the burgeoning warmth of the seasons ahead.
In January, Dundrum experiences a mild start to the year with 57 mm (2.2 in) of precipitation over approximately 10 days. This sets the tone for an upward trend in both rainfall and rainy days leading into the following months. February and March see increases, with precipitation peaking at 81 mm (3.2 in) in March, accompanied by 15 rainy days. As spring approaches, April drops slightly to 52 mm (2.0 in), but the pattern of fluctuating rain continues, culminating in a wet August with 95 mm (3.8 in) over 16 days. The transition into autumn showcases consistent rainfall, hitting a notable high of 97 mm (3.8 in) in November. Throughout the year, the trend indicates that while January starts relatively dry, it quickly paves the way for Wetter and more unpredictable months ahead, reflecting the region's characteristic maritime climate.
In January, Dundrum, Ireland experiences an average humidity of 85%, setting a tone for a winter characterized by moist air and cool temperatures. This level of humidity is consistent with the surrounding months, as February and March see a slight uptick to 86%, illustrating a typical winter transition. As the year progresses into April and May, humidity maintains its grip, dipping slightly to 85% and 83%, respectively, before hovering around 85% through the summer months of June and August. Notably, July and September bring the humidity back up to 86%, revealing a trend of elevated moisture that continues into the autumn with October reaching its peak at 87%. The gradual decline in November to 86% and the drop to 84% in December wraps up the year with a return to similar winter conditions, confirming Dundrum's consistently humid climate throughout the seasons.
In January, the UV Index in Dundrum, Ireland stands at a low 1, indicating minimal risk of harm from unprotected sun exposure, with a burn time of 45 minutes. This trend of low UV levels continues into February, maintaining the same index and exposure category. However, as spring approaches, March sees a noticeable shift to a moderate UV Index of 4, reducing safe exposure time to 30 minutes. The sun's intensity increases gradually, reaching 5 in April and peaking in May at 7, marking the onset of high exposure levels where 25 minutes of sunlight can lead to burns. The summer months of June and July intensify further, featuring a very high UV Index of 8, with a significantly reduced burn time of just 15 minutes. As autumn sets in, the UV Index trends downward, dropping back to moderate levels in September and October, before returning to low levels in November and December. This clear seasonal pattern highlights the importance of sun protection as UV exposure significantly fluctuates throughout the year. For detailed insights, visit Dundrum UV Index.
UV Risk Categories
In Dundrum, Ireland, January marks the beginning of a gradual increase in sunshine hours, with 83 hours illuminating the winter landscape. As the year progresses, the days steadily grow brighter, culminating in an impressive 391 hours of sunshine by May. This upward trend continues into the summer months, where June and July share the same amount of sunshine—385 hours—offering plenty of opportunities for outdoor enjoyment. However, as autumn approaches, the sun begins to shy away, with September still basking in 294 hours, yet giving way to a more subdued 120 hours by November and a dwindling 95 hours in December. This pattern highlights not just the coming of spring and summer, but also the gentle retreat of daylight as the year winds down.
In January, Dundrum, Ireland enjoys a 23% chance of sunny weather, marking a slight uptick compared to the subsequent month, February, where the likelihood drops to 21%. As winter transitions into spring, March maintains a close figure at 22%, illustrating a steady trend of limited sunshine during the early part of the year. However, as April arrives, residents can look forward to a dramatic increase in sun exposure with a 44% chance. This trend highlights a notable shift from the darker winter months, suggesting that while January might be overcast, brighter days are just around the corner. Overall, January presents a modest opportunity for sunshine, hinting at the potential for more favorable weather as the year progresses.
In Dundrum, Ireland, January marks the beginning of a gradual increase in daylight, where residents can expect about 8 hours of light each day. As the month progresses into February, this increases slightly to 9 hours, offering a hint of the brighter days ahead. By March, daylight stretches to 11 hours, signaling the arrival of spring. The trend continues upward through the months, peaking in June and July at a generous 16 hours of daylight, allowing for vibrant outdoor activities. As summer fades into autumn, daylight begins to wane again, with 14 hours in August, gradually decreasing to just 10 hours by October. By the time winter returns, daylight dips back to 8 hours in November and concludes at a mere 7 hours in December, illustrating the cyclical dance of light and darkness that shapes the year in this charming coastal locale.
In Dundrum, Ireland, the January wind brings a gentle breeze, averaging 4.5 m/s (10 mph), setting the tone for the month. As winter unfolds into spring, wind speeds fluctuate, peaking in February at 6.0 m/s (13 mph) before settling back down. March sees a slight recovery at 4.7 m/s (10 mph), but the trend is clearly toward calmer days, with the wind slowly tapering off through the spring months into early summer, reaching its lowest point in July at just 2.7 m/s (6 mph). This pattern of fluctuating calmness continues into the latter part of the year, with winds gently rising again in October and November, averaging around 4.9 m/s (11 mph). Throughout the year, Dundrum experiences a dynamic interplay of wind, making each season unique — a true reflection of the region's changing landscape.
The weather in Dundrum 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 Dundrum and find detailed weather information for every month.
In January, the weather typically features a minimum temperature of -3°C (26°F) and an average of 5°C (42°F), with a maximum reaching 13°C (56°F). The month sees about 57 mm (2.2 in) of precipitation over approximately 10 days, accompanied by a humidity level of 85%. By February, the temperatures shift slightly, with a minimum of -2°C (29°F) and an average of 6°C (43°F), peaking at 14°C (58°F). However, February tends to be wetter, receiving around 80 mm (3.1 in) of precipitation across 14 days and maintaining a similar humidity level of 86%. For more detailed information, check out Dundrum weather in February.
In January, temperatures range from a minimum of -3°C (26°F) to a maximum of 13°C (56°F), with an average of 5°C (42°F), accompanied by 57 mm (2.2 in) of precipitation over about 10 days and a humidity level of 85%. In contrast, March experiences slightly cooler minimum temperatures at -5°C (24°F) and higher maximum temperatures reaching 16°C (61°F), with an average of 7°C (44°F). Precipitation in March totals 81 mm (3.2 in) across 15 days, resulting in a humidity level of 86%. This increase in precipitation and humidity in March, along with the slight temperature changes, indicates a shift towards a wetter and gradually warmer spring season. For more detailed insights, check out Dundrum weather in March.
January and April exhibit notable differences in weather patterns. In January, temperatures range from a chilly -3°C (26°F) to a mild 13°C (56°F), with an average of around 5°C (42°F). This month typically sees 57 mm (2.2 in) of precipitation over 10 days, maintaining a high humidity level of 85%. In contrast, April experiences a slightly wider temperature range, with lows of -2°C (29°F) and highs reaching up to 19°C (66°F), leading to a comfortable average of 8°C (47°F). The precipitation in April is slightly lower at 52 mm (2.0 in), occurring over 11 days, while humidity remains consistent at 85%. For more detailed information, you can visit Dundrum weather in April.
In January, the weather is characterized by colder temperatures, with a minimum of -3°C (26°F) and an average of 5°C (42°F), while May brings milder conditions, featuring a minimum of 0°C (32°F) and an average of 11°C (52°F). The maximum temperatures in January reach only up to 13°C (56°F), whereas in May they soar to a pleasant 21°C (71°F). Although January experiences 57 mm (2.2 in) of precipitation over 10 days, May sees a slightly higher total of 72 mm (2.8 in) spread over 14 days, indicating increased rainfall as spring advances. Humidity levels remain similar, with January at 85% and May at 83%, providing a relatively damp atmosphere in both months. For more detailed information on the weather during this time, visit Dundrum weather in May.
In January, the weather tends to be chilly, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 13°C (56°F) and an average of 5°C (42°F). The month receives around 57 mm (2.2 in) of precipitation over approximately 10 days, accompanied by high humidity levels at 85%. In contrast, June brings a significant rise in temperatures, with minimums of 6°C (42°F) and maximums reaching 24°C (75°F), averaging 14°C (57°F). Precipitation increases slightly to 75 mm (3.0 in) over about 15 days, yet the humidity remains steady at 85%. For more detailed weather information, check Dundrum weather in June.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 13°C (56°F) and an average of 5°C (42°F). The month sees about 57 mm (2.2 in) of precipitation over 10 days and maintains a high humidity level of 85%. In contrast, July offers much warmer temperatures, with a minimum of 8°C (46°F), an average of 16°C (60°F), and a maximum of 25°C (77°F). Though it is generally warmer, July experiences slightly higher precipitation at 80 mm (3.2 in) over 14 days, with humidity levels only slightly elevated at 86%. For more specific insights about Dundrum's weather in July, you can visit Dundrum weather in July.
January and August present starkly contrasting weather conditions. In January, temperatures fluctuate from a chilly minimum of -3°C (26°F) to a mild maximum of 13°C (56°F), with an average of 5°C (42°F). The month also experiences about 57 mm (2.2 in) of precipitation spread across 10 days, accompanied by high humidity levels of 85%. In contrast, August boasts warmer temperatures, ranging from a minimum of 7°C (45°F) to a more comfortable maximum of 23°C (73°F), averaging around 15°C (60°F). However, it is also the wetter month, with 95 mm (3.8 in) of rainfall over 16 days, while humidity remains steady at 85%. For more details on the August climate, check out Dundrum weather in August.
In January, the weather is considerably colder, with minimum temperatures dropping to -3°C (26°F) and an average of 5°C (42°F), while maximum temperatures reach only 13°C (56°F). The month tends to be quite damp, receiving about 57 mm (2.2 in) of precipitation over roughly 10 days and maintaining high humidity levels at 85%. In contrast, September experiences milder conditions, featuring minimum temperatures around 3°C (38°F) and an average of 13°C (56°F), with maximum temperatures peaking at 22°C (72°F). Precipitation in September is slightly higher at 73 mm (2.9 in), spread over 14 days, and humidity remains marginally elevated at 86%. The transition from the chill of January to the relatively warmer September can be explored further in detail here: Dundrum weather in September.
In January, the weather is quite cold, with minimum temperatures dipping to -3°C (26°F) and an average of 5°C (42°F), while maximums reach up to 13°C (56°F). There's also considerable precipitation, with about 57 mm (2.2 in) falling over approximately 10 days, alongside a high humidity level of 85%.
In contrast, October experiences milder conditions, with minimum temperatures around 1°C (35°F), averages at 11°C (51°F), and maximums peaking at 18°C (65°F). The month is wetter, receiving 87 mm (3.4 in) of rain over about 14 days, and humidity remains slightly elevated at 87%. For more specific details on October weather in Dundrum, visit Dundrum weather in October.
In January, temperatures typically range from a chilly -3°C (26°F) to a moderate maximum of 13°C (56°F), with an average of 5°C (42°F). The month experiences about 57 mm (2.2 in) of precipitation over 10 days, contributing to a high humidity of 85%. In contrast, November displays slightly milder temperatures, with a minimum of 0°C (32°F) and an average of 8°C (46°F), reaching up to 15°C (59°F) at its warmest. Precipitation increases in November to 97 mm (3.8 in) spread across 14 days, resulting in a humidity level of 86%. For a more detailed look at the weather during this month, check out Dundrum weather in November.
In January, the weather shows a slight cooling trend compared to December, with average temperatures ranging from a minimum of -3°C (26°F) to a maximum of 13°C (56°F), compared to December's range of -2°C (28°F) to 13°C (56°F). While the average temperature is marginally lower in January at 5°C (42°F) compared to December's 6°C (44°F), January experiences less precipitation overall, with 57 mm (2.2 in) over 10 days, compared to December's 94 mm (3.7 in) over 15 days. Humidity levels remain relatively stable, with January at 85% and December at 84%. For more detailed insights into December weather, you can check Dundrum weather in December.
January in Dundrum presents a unique blend of cool temperatures and considerable humidity, contrasting sharply with the milder and often sunnier preceding months. With average temperatures hovering around 5°C, this month marks one of the coldest periods of the year, where chilly days and frosty nights are more common. The frequent precipitation—spreading across approximately a third of the month—adds to the wintry charm, fostering a damp yet refreshing atmosphere. As the landscape is painted in shades of winter, January serves as a reminder of nature's revival, setting the stage for the seasons ahead. For a deeper understanding of the area's weather patterns, check out the Dundrum Climate.