January Weather in Maynooth, Ireland

Last updated: March 17, 2025

Maynooth, Ireland, in January experiences a variable and often chilly climate. With maximum temperatures reaching 14°C (58°F) and dipping to -5°C (24°F), the average temperature settles around 6°C (43°F), creating a brisk winter atmosphere. The month sees about 50 mm (2.0 in) of precipitation spread over 10 days, contributing to the region's lush greenery. Coupled with a high humidity level of 85%, January in Maynooth presents a blend of cool, damp conditions that characterize a typical Irish winter.

January Temperature in Maynooth

In Maynooth, Ireland, January marks the heart of winter, where temperatures can be quite chilly, with a minimum dipping to -5°C (24°F). On average, the month sees a mild 6°C (43°F), peaking at a relatively moderate 14°C (58°F). These figures reflect a steady trend of cold weather characteristic of the early year, contrasting sharply with the slightly warmer February, where temperatures begin to edge upwards. As January unfolds, the frosty nights create a serene landscape, reminding residents that spring is still a few months away. While January's temperatures may induce a brisk chill, they also herald the gradual warming that will soon follow in the coming months.

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

The chart illustrates January temperature patterns in Maynooth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434445485358616057524644
Data source: Temperature data for Maynooth 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.

January Precipitation in Maynooth

In January, Maynooth, Ireland experiences an average precipitation of 50 mm (2.0 in) over approximately 10 days, marking the month as one of the drier periods of the year. However, as winter transitions into spring, precipitation tends to increase, with February and March both seeing 74 mm (2.9 in) falling across 14 and 16 days, respectively. This trend continues into June and July, where rainfall amounts stabilize around 70 mm (2.8 in). Notably, August becomes the wettest month, accumulating 94 mm (3.7 in) over 17 days, which sets the stage for a gradual decline in rainfall heading into autumn. Interestingly, as the year winds down, November and December maintain substantial precipitation levels of 84 mm (3.3 in) and 83 mm (3.3 in), showcasing how Maynooth's weather remains dynamic yet predictable throughout the seasons.

January Precipitation Trends in Maynooth

The chart displays monthly precipitation patterns in Maynooth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec517474456470719467758483
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Maynooth

In Maynooth, Ireland, January ushers in a month of high humidity, averaging a significant 85%. This pattern continues into February and March, where humidity levels remain consistent at 86%, creating a damp start to the year. As spring approaches, April sees a slight dip back to 85%, before May offers a breath of fresh air with a reduction to 83%. The summer months see a return to higher humidity, with July and September both reaching 86%, while August and June hover around 85%. As the year winds down, October’s humidity climbs to 87%, closing the year on a moist note. Overall, humidity in Maynooth exhibits a slight fluctuation throughout the year, but maintains a generally high average, characterizing the cool, temperate climate of this charming Irish town.

January Average Humidity in Maynooth

This chart illustrates the average monthly humidity levels in Maynooth, 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 Maynooth

In Maynooth, Ireland, the UV Index begins the year on a gentle note, with January and December showing a low UV Index of 1 and a generous burn time of 45 minutes. As winter gives way to spring, February sees a slight increase to 2, maintaining the same burn time, and then the UV Index rises more significantly in March and April, reaching 4 and 5, respectively, which calls for a moderate level of sun protection with a reduced burn time of 30 minutes. By the time May rolls around, the UV Index surges to 7, indicating high exposure and a burn time of just 25 minutes. This trend continues into the summer months, where June and July peak at a very high UV Index of 8, necessitating quick reapplications of sunscreen as burn time drops to 15 minutes. As fall approaches, the numbers gradually decrease, settling back at a moderate 5 in September and easing down to the familiar lows by late autumn. This clear seasonal pattern underscores the need for vigilant sun protection, particularly in the sunnier months. For more details on UV levels throughout the year, check the Maynooth UV Index.

Maximum UV Index Levels in Maynooth for January

The chart shows the monthly maximum UV Index (UVI) for Maynooth 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Maynooth 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 Maynooth

In Maynooth, Ireland, the sunlight embraces the landscape in a remarkable crescendo as the year progresses. Starting with a modest 80 hours of sunshine in January, the days gradually lengthen, leading to a dramatic leap in February with 145 hours. By March, the sunshine continues its upward trajectory, amounting to 190 hours, welcoming the freshness of spring. As April unfolds, residents bask in 308 hours of bright skies, paving the way for an impressive 385 hours in May, the peak of this sunny ascent. The summer months maintain the momentum, with June, July, and August delivering 379, 377, and 329 hours respectively, ensuring that the warmth and light linger. However, as autumn sets in, a gradual decline begins; September sees 288 hours, followed by a gentle tapering off to 226 hours in October, before sinking to 114 hours in November and a soft close at 91 hours in December. This captivating trend illustrates how Maynooth transforms from winter's gloom to a vibrant tapestry of sunshine, creating the perfect backdrop for the changing seasons.

Monthly Sunshine Duration in Maynooth: January Highlighted

The January sunshine duration represents the total number of hours Maynooth 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.
JanFebMarAprMayJunJulAugSepOctNovDec80h145h190h308h385h379h377h329h288h226h114h91h
Data source: Maynooth January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Maynooth During January

In Maynooth, Ireland, the likelihood of sunny weather in January hovers around 27%, which sets a moderate expectation for crisp winter days filled with sunshine. As spring approaches, the chance of sun in February dips to 21%, while March shows a further decline to 20%, hinting at lingering clouds before brighter days arrive. However, sunshine makes a notable comeback in April with a 41% chance, foreshadowing the vibrant bloom of spring. Despite May offering a healthier 32% chance of sun, the trend throughout the year suggests that the majority of summer months like June and August experience lower probabilities of sunshine, with chances landing between 22% and 28%. This seasonal fluctuation highlights the distinctly variable nature of Maynooth's weather, making each sunny day a delightful surprise amidst the often overcast skies of winter and early spring.

Percentage of Sunny Days in January in Maynooth

The chart illustrates the percentage of sunny days in Maynooth 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 Maynooth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%21%20%42%32%22%28%23%20%18%26%22%
Data source: Maynooth January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Maynooth in January

In Maynooth, Ireland, the daylight duration experiences a fascinating transformation throughout the year. January starts with a modest 8 hours of daylight, gradually increasing as spring approaches. By February, the sun teases us with 9 hours, and this upward trend accelerates into March with 11 hours, heralding the bloom of spring. The days continue to grow longer through April and May, hitting their peak in June and July at an impressive 16 hours of daylight, allowing for many sun-filled adventures. As summer dims, the sunlight gracefully recedes, with August still enjoying 14 hours before gradually dwindling to 10 hours in October. The cycle comes full circle with November returning to 8 hours and December closing the year with fleeting 7 hours of daylight, reminding us of the seasonal rhythms that define life in this charming Irish town.

Average Daylight Hours in Maynooth for January

The chart illustrates the variation in daylight duration in Maynooth throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 6m9h 48m11h 54m14h 2m15h 55m16h 55m16h 23m14h 41m12h 37m10h 30m8h 35m7h 32m
Data source: Maynooth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Maynooth

In Maynooth, Ireland, the January wind sets the stage for varied breezes throughout the year, with an average speed of 4.0 m/s (9 mph). As winter wanes, February experiences a noticeable uptick in wind activity, reaching 5.4 m/s (12 mph), the highest gusts of the year. Following this peak, the winds gently decline in March to 4.4 m/s (10 mph) before dropping further in April to 3.1 m/s (7 mph). The trend continues into the warmer months, with May and June recording 3.6 m/s (8 mph) and 3.4 m/s (8 mph) respectively. The quietest winds arrive in July, diminishing to 2.6 m/s (6 mph), providing a calm summer reprieve. However, as autumn approaches, winds regain some strength, stabilizing around 4.3 m/s (10 mph) in both October and November, before concluding with another slight increase in December at 4.4 m/s (10 mph). This seasonal ebb and flow of wind in Maynooth paints a vibrant picture of Ireland’s energetic climate, marked by brisk winter gusts and the gentle whispers of summer.

Average January Wind Speed in Maynooth

The chart displays monthly wind speed patterns in Maynooth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.0 m/s5.44.43.13.63.42.63.33.34.34.34.4
Data source: Maynooth January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Maynooth Compares to Other Months

The weather in Maynooth 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 Maynooth and find detailed weather information for every month.

In comparing January and February weather, both months exhibit similar average temperatures, hovering around 6°C (43°F). However, February tends to be slightly warmer, with a minimum temperature of -3°C (27°F) and a maximum of 16°C (61°F), compared to January’s minimum of -5°C (24°F) and maximum of 14°C (58°F). Precipitation is more frequent in February, seeing 74 mm (2.9 in) over 14 days compared to January's 50 mm (2.0 in) across 10 days, making February the wetter of the two. Additionally, humidity levels are slightly elevated in February at 86%, offering a month that feels comparable but still distinct from January. For more detailed insights, check out Maynooth weather in February.

In January, the weather is generally chilly, with average temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F). The month experiences around 50 mm (2.0 in) of precipitation over approximately 10 days, with a high humidity level of 85%. In contrast, March sees slightly milder conditions, with average temperatures ranging from -4°C (24°F) to a maximum of 17°C (63°F). Precipitation increases to 74 mm (2.9 in) over about 16 days, while humidity remains similar at 86%. For a more detailed look at March conditions, you can check Maynooth weather in March.

In January, the weather is notably colder, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F) and an average of 6°C (43°F). The month typically sees around 50 mm (2.0 in) of precipitation over approximately 10 days, accompanied by high humidity of 85%. In contrast, April brings milder weather, with temperatures ranging from -2°C (28°F) to a warmer maximum of 21°C (70°F) and an average of 9°C (48°F). Precipitation is slightly less at 45 mm (1.8 in) over the same number of days, yet humidity remains constant at 85%. This seasonal transition highlights a significant warming trend as spring arrives. For more detailed information, you can check Maynooth weather in April.

January and May present contrasting weather patterns. In January, temperatures range from a chilly -5°C (24°F) to a mild 14°C (58°F), with an average of 6°C (43°F), while May sees a significant warm-up, with temperatures ranging from -1°C (31°F) to a pleasant 24°C (75°F) and an average of 12°C (53°F). January experiences around 50 mm (2.0 in) of precipitation over 10 days and high humidity levels at 85%, whereas May has slightly more precipitation at 64 mm (2.5 in) over 12 days, with humidity just a touch lower at 83%. For those interested in more specific weather details for May, you can check out Maynooth weather in May.

In January, the weather is considerably colder, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F). The average temperature sits at around 6°C (43°F), accompanied by 50 mm (2.0 in) of precipitation over about 10 days, while humidity remains high at 85%. Conversely, June offers a much milder climate, where temperatures range from a minimum of 6°C (42°F) to a comfortable maximum of 27°C (81°F) with an average of 15°C (59°F). Precipitation increases slightly to 70 mm (2.8 in) over 13 days, yet humidity remains steady at 85%. For more details about the weather in this month, you can check Maynooth weather in June.

When comparing the weather in January and July, a stark contrast emerges. January experiences much colder temperatures, with a minimum of -5°C and an average of 6°C, while July offers a much warmer climate, with temperatures starting at a minimum of 7°C and averaging 16°C. Additionally, July boasts maximum temperatures reaching up to 28°C, significantly higher than January's peak of 14°C. Precipitation levels are also slightly higher in July at 71 mm compared to January's 50 mm, but both months see a comparable number of rainy days—10 in January and 12 in July. Humidity remains relatively consistent, with January at 85% and July at 86%. For a detailed look at weather conditions, you can visit Maynooth weather in July.

When comparing the weather in January and August, notable differences emerge in both temperature and precipitation. January experiences colder temperatures, with a minimum of -5°C (24°F) and an average of 6°C (43°F), whereas August sees milder conditions, starting at a minimum of 7°C (45°F) and averaging 16°C (60°F). The maximum temperatures also reflect this shift, with January peaking at 14°C (58°F) compared to August's warm maximum of 24°C (75°F). In terms of precipitation, January has 50 mm (2.0 in) over 10 days, while August is wetter, totaling 94 mm (3.7 in) across 17 days. Humidity remains consistent at 85% in both months, providing a dampness that characterizes the climate. For more detailed information, you can check Maynooth weather in August.

In comparing January and September weather, January experiences a colder climate with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F) and an average of 6°C (43°F). The month sees about 50 mm (2.0 in) of precipitation over 10 days, coupled with high humidity at 85%. In contrast, September offers a more moderate atmosphere, with temperatures fluctuating from a minimum of 2°C (37°F) to a maximum of 23°C (74°F), leading to a warmer average of 14°C (57°F). Additionally, September receives a bit more precipitation at 67 mm (2.6 in) over 13 days, while humidity remains slightly higher at 86%. For more insights into September weather specifically in Maynooth, visit Maynooth weather in September.

January and October weather in Maynooth show notable differences in temperature and precipitation patterns. In January, temperatures are colder, with a minimum of -5°C (24°F) and an average of 6°C (43°F), while October brings milder conditions with a minimum of 0°C (33°F) and an average of 11°C (52°F). Precipitation is more frequent in October, with 75 mm (3.0 in) over 13 days, compared to January's 50 mm (2.0 in) over 10 days. Additionally, both months experience high humidity levels, with January at 85% and October at 87%. For more detailed weather insights, check out Maynooth weather in October.

In January, temperatures typically range from a chilling minimum of -5°C (24°F) to a mild maximum of 14°C (58°F), with an average temperature of 6°C (43°F). The month sees approximately 50 mm (2.0 inches) of precipitation spread over 10 days, coupled with a humidity level of 85%. In contrast, November offers slightly warmer conditions, where temperatures vary from a minimum of -2°C (29°F) to a maximum of 15°C (60°F), with an average of 8°C (47°F). However, November experiences more precipitation, totaling around 84 mm (3.3 inches) over 13 days and maintaining a similar humidity level of 86%. For more detailed information, you can check Maynooth weather in November.

In comparing the weather of January and December, January tends to be slightly colder, with average temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F), while December offers milder conditions with a minimum of -3°C (27°F) and a maximum of 13°C (56°F). January also witnesses less precipitation, totaling 50 mm (2.0 in) over about 10 days, compared to December's 83 mm (3.3 in) falling across 14 days. Humidity levels remain similar in both months, hovering around 85% in January and 84% in December. For more details on December weather, you can check Maynooth weather in December.

Compare Maynooth's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Maynooth

As January rolls into Maynooth, the weather presents a distinct contrast to the milder months that follow. With temperatures hovering around a cool average of 6°C (43°F) and dipping to chilly lows, the month brings a brisk feel that sets the stage for winter's final act. This is complemented by a significant amount of precipitation, reminding residents that rainfall is a common feature of this time of year. In addition, the humidity peaks at 85%, contributing to an overall dampness often absent in the warmer months. For those planning a visit or seeking to understand seasonal shifts, January serves as a reminder of Ireland's rich and varied climate. For a deeper dive into weather patterns, check out Maynooth Climate.