January Weather in Antrim, United Kingdom

Last updated: March 17, 2025

January in Antrim, United Kingdom, presents a dynamic weather experience characterized by cool temperatures and frequent rain. The month sees maximum highs reaching 14°C (57°F), while the average temperature hovers around 5°C (42°F), dipping as low as -4°C (25°F) at night. Precipitation is significant, with 56 mm (2.2 in) of rain falling across 11 days, leading to a steamy atmosphere with an average humidity of 87%. This blend of chilly days and wet weather makes January a quintessential winter month in Antrim.

January Temperature in Antrim

January in Antrim, United Kingdom, heralds the heart of winter, with temperatures typically ranging from a chilly -4°C (25°F) to a milder 14°C (57°F). The average temperature hovers around 5°C (42°F), creating a brisk atmosphere that often invites a cozy warmth indoors. This month sets the stage for a gradual warming trend, as February brings slightly higher averages, while March hints at the promise of spring with a new peak of 17°C (63°F). As the year progresses into April and May, not only do minimum temperatures begin to rise, but so do the maximums, indicating a clear transition towards the more temperate and vibrant months ahead. Overall, January's crisp chill serves as a reminder of winter's embrace, while also signaling the approach of a more inviting spring climate.

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

The chart illustrates January temperature patterns in Antrim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424244475257605955514643
Data source: Temperature data for Antrim 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 Antrim

January in Antrim, United Kingdom, typically ushers in a cool, damp start to the year, with an average precipitation of 56 mm (2.2 in) spread over 11 days. This moderate rainfall sets the tone for the following months, where February experiences a notable leap to 89 mm (3.5 in), reflecting a trend of increasing moisture as winter wanes. The precipitation peaks in August at 118 mm (4.7 in), with the summer months generally being wetter, punctuated by a spike in rainy days. As the seasons transition from winter to summer, Antrim’s weather reveals a pattern of fluctuating precipitation, contributing to the lush greenery that characterizes the region. The consistent rainfall throughout the year, especially from March to June, indicates a landscape that thrives under the frequent cloud cover and soft showers.

January Precipitation Trends in Antrim

The chart displays monthly precipitation patterns in Antrim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5689784566828611870858582
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Antrim

In Antrim, United Kingdom, January is typically marked by a high humidity level of 87%, setting the tone for the winter months. As the year progresses, humidity levels fluctuate slightly, peaking in November at 90% and dipping to 82% in May. Throughout the spring and summer, the humidity remains relatively stable, hovering between 82% and 87%. Interestingly, the latter part of the year sees a gradual increase in moisture, with October and November experiencing the highest levels, suggesting a pattern of rising humidity as autumn progresses. Overall, January’s dampness is part of a broader trend of high humidity that characterizes Antrim's climate throughout the year, making it a consistently moist environment.

January Average Humidity in Antrim

This chart illustrates the average monthly humidity levels in Antrim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Antrim

In January, Antrim experiences a low UV Index of 1, with a relatively safe exposure time of 45 minutes before a burn can occur. This trend of low UV levels continues into February, maintaining a similar index and burn time. As spring approaches, the UV Index begins to rise, reaching 4 in March, which indicates a shift to moderate exposure, reducing burn time to 30 minutes. By April, the index increases further to 5, signaling the need for heightened sun protection. The UV levels peak in the summer months, hitting 8 in both June and July, where sunburn can happen in just 15 minutes, emphasizing the importance of sun safety. As we transition into autumn, the UV Index gradually descends, dropping back to 2 in November and returning to its winter low of 1 in December. Overall, the data reveals a clear seasonal pattern, highlighting fluctuating UV risks throughout the year. For more detailed information, visit the Antrim UV Index.

Maximum UV Index Levels in Antrim for January

The chart shows the monthly maximum UV Index (UVI) for Antrim 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.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Antrim 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 Antrim

In Antrim, the new year begins with January's modest 76 hours of sunshine, setting a tone of quiet introspection. However, as winter gives way to spring, the sun's warmth gradually increases, with February bringing a noticeable jump to 147 hours. The trend accelerates dramatically with March (207 hours) and April (319 hours), illuminating the landscape and lifting spirits as days stretch longer. May reaches a vibrant peak with 402 hours, showcasing the true brilliance of early summer. Interestingly, while June remains bright with 390 hours, there’s a slight dip in July and August, where 399 and 350 hours respectively indicate the richness of the season may soften. As autumn approaches, September (288 hours) starts the retreat into shorter days, leading into the stark contrast of winter’s resurgence, where both November and December offer only 114 and 83 hours of sunshine. This cyclical rhythm paints a vivid portrait of Antrim’s changing skies, inviting both reflection and anticipation throughout the year.

Monthly Sunshine Duration in Antrim: January Highlighted

The January sunshine duration represents the total number of hours Antrim 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.
JanFebMarAprMayJunJulAugSepOctNovDec76h147h207h319h402h390h399h350h288h224h114h83h
Data source: Antrim January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Antrim During January

In Antrim, January greets residents and visitors with a 26% chance of sunny weather, marking it as one of the more promising months for bright days in the winter season. While this likelihood is slightly higher than February's 24%, it stands in stark contrast to the clouds that typically dominate the rest of the winter months, such as December and October, which enjoy only 13% and 16% sun chances, respectively. As spring approaches, April shines with a significant leap to 41%, suggesting that while January may offer a glimmer of sunlight, the more consistent warmth and brightness are still on the horizon. Thus, January serves as a transitional month, hinting at the sunnier days that lie ahead in Antrim's ever-changing weather tapestry.

Percentage of Sunny Days in January in Antrim

The chart illustrates the percentage of sunny days in Antrim 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 Antrim experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%24%16%41%30%22%27%18%18%16%18%13%
Data source: Antrim January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Antrim in January

In Antrim, United Kingdom, January marks the beginning of the year with a modest 7 hours of daylight. As the month unfolds, days gradually lengthen, culminating in 9 hours by February. This upward trend continues into March and April, where the daylight extends to 11 and 14 hours respectively, signaling the arrival of spring. May brings even more sunshine, peaking at an impressive 16 hours before reaching the longest days of the year in June with 17 hours. However, as summer gives way to autumn, daylight starts to dwindle—July sees a slight decrease, followed by a sharper decline in August and September, with 14 and 12 hours respectively. By October, daylight diminishes to 10 hours, and the cycle continues, descending back to 7 hours in December, framing the year with a consistent ebb and flow of natural light.

Average Daylight Hours in Antrim for January

The chart illustrates the variation in daylight duration in Antrim throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 53m9h 42m11h 54m14h 8m16h 7m17h 11m16h 37m14h 49m12h 38m10h 25m8h 24m7h 18m
Data source: Antrim daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Antrim

In January, Antrim greets the new year with a gentle average wind speed of 3.8 m/s (8 mph), setting a tranquil tone for the month. As winter wanes, February brings a noticeable increase, with winds picking up to 5.7 m/s (13 mph), hinting at the season's shift. This uptick is somewhat temporary, as March sees a return to calmer breezes at 4.4 m/s (10 mph), closely followed by a drop in April to 3.2 m/s (7 mph). The trend of fluctuating winds continues into late spring and summer, with speeds hovering mostly between 2.5 to 4.5 m/s (6 to 10 mph) from July to November. Interestingly, December wraps up the year with similar gusts to January, showing how the wind's behavior can shift throughout the seasons, often mirroring the ebb and flow of the year itself.

Average January Wind Speed in Antrim

The chart displays monthly wind speed patterns in Antrim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.8 m/s5.74.43.23.73.62.52.93.24.24.54.4
Data source: Antrim January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Antrim Compares to Other Months

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

January and February exhibit similar temperature ranges, with February slightly warmer, averaging 6°C (42°F) compared to January's 5°C (41°F). However, February brings increased precipitation, totaling 89 mm (3.5 in) over 14 days, compared to January’s 56 mm (2.2 in) across 11 days. Humidity levels remain relatively constant, with January at 87% and February slightly lower at 86%. For more details, you can check Antrim weather in February.

In January, the weather is quite chilly, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), while the average temperature sits at 5°C (42°F). There are about 11 days of precipitation, totaling 56 mm (2.2 in), and humidity levels are relatively high at 87%. In contrast, March brings slightly milder temperatures, with a minimum of -3°C (26°F) and a maximum of 17°C (63°F), leading to an average temperature of 6°C (44°F). However, March is wetter, experiencing 16 days of precipitation and accumulating 78 mm (3.1 in). Humidity remains similar, slightly lower at 86%. For more detailed information, you can check Antrim weather in March.

In January, the weather in Antrim is characterized by colder temperatures, with a minimum of -4°C (25°F) and an average of 5°C (42°F), reaching a maximum of 14°C (57°F). The month also sees higher precipitation at 56 mm (2.2 in) over 11 days, coupled with high humidity levels at 87%. In contrast, April brings a significant warming trend, with temperatures ranging from a minimum of -1°C (30°F) to an average of 8°C (47°F), peaking at 20°C (67°F). Although precipitation decreases slightly to 45 mm (1.8 in) over the same number of days, humidity remains relatively stable at 85%. For more information on April weather patterns, you can visit Antrim weather in April.

In January, the weather is quite chilly, with minimum temperatures dropping to -4°C (25°F) and averaging around 5°C (42°F). The maximum temperature reaches only 14°C (57°F), while the humidity remains high at 87%. Precipitation is moderate, totaling 56 mm (2.2 inches) over approximately 11 days.

In contrast, May showcases a more temperate climate, with minimum temperatures at 0°C (32°F) and an average of 11°C (52°F). Maximum temperatures can rise to 23°C (74°F), providing a significant warmth compared to January. Although May sees a slightly higher total precipitation of 66 mm (2.6 inches) spread over 14 days, the humidity is a bit lower at 82%. For more detailed insights into May weather, you can check out Antrim weather in May.

In January, temperatures in Antrim range from a chilling minimum of -4°C (25°F) to a mild maximum of 14°C (57°F), with an average of 5°C (42°F). The month experiences relatively high humidity at 87%, along with 56 mm (2.2 in) of precipitation across 11 days, making it a damp and chilly time of year. In contrast, June brings warmer conditions, with temperatures ranging from a minimum of 6°C (42°F) to a pleasant maximum of 27°C (80°F), averaging 14°C (57°F). Although it is a bit wetter, with 82 mm (3.2 in) of rain over 16 days, the humidity remains similar at 84%. The overall shift from January's cold, damp winter to June's warmer, though occasionally rainy weather highlights the significant seasonal change. For more detailed insights, you can check Antrim weather in June.

January and July present a stark contrast in weather conditions. In January, temperatures can drop as low as -4°C (25°F), with an average of 5°C (42°F) and highs reaching 14°C (57°F). The month is characterized by humidity levels around 87%, alongside 56 mm (2.2 in) of precipitation spread over 11 days. In comparison, July boasts much warmer temperatures, with minimums of 7°C (45°F), average highs of 15°C (60°F), and peaks hitting 27°C (80°F). Although July sees higher total precipitation at 86 mm (3.4 in) over 14 days, the humidity remains relatively stable at 86%. For more specifics about summer weather, check out Antrim weather in July.

January and August present quite contrasting weather conditions. In January, temperatures range from a chilly -4°C (25°F) at their lowest to a relatively mild 14°C (57°F) at their highest, with an average temperature of 5°C (42°F). The month sees about 56 mm (2.2 in) of precipitation over 11 days, coupled with high humidity at 87%. In comparison, August enjoys warmer temperatures, with a minimum of 6°C (43°F), an average of 15°C (59°F), and a maximum of 23°C (73°F). However, it also experiences more rainfall, totaling 118 mm (4.7 in) over 20 days, while humidity remains slightly lower at 86%. For a closer look at weather conditions during this month, check out Antrim weather in August.

In January, the weather is quite chilly, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (57°F). The month experiences a moderate level of precipitation at 56 mm (2.2 in) over 11 days, accompanied by high humidity at 87%. In contrast, September offers a milder climate, with temperatures varying from 2°C (35°F) at night to an average of 13°C (56°F) during the day, peaking at 22°C (72°F). Precipitation increases slightly to 70 mm (2.8 in) across 15 days, and humidity remains similar at 88%. This shift from the cold depths of winter to the more temperate early autumn can be quite noticeable. For a more detailed look at the September weather, you can visit Antrim weather in September.

January and October present distinct weather patterns in Antrim. In January, temperatures range from a chilly -4°C (25°F) at night to a mild 14°C (57°F) during the day, with an average of around 5°C (42°F). The month experiences about 56 mm (2.2 in) of precipitation over 11 days, accompanied by high humidity levels of 87%. In contrast, October sees milder conditions, with temperatures ranging from 0°C (33°F) to 18°C (65°F) and an average of 10°C (51°F). The month receives more precipitation, totaling 85 mm (3.3 in) over 15 days, and slightly higher humidity at 89%. For more detailed information, check out Antrim weather in October.

January and November present distinct weather patterns. In January, temperatures range from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), with an average of 5°C (42°F). The month sees about 56 mm (2.2 in) of precipitation over approximately 11 days, accompanied by high humidity levels averaging 87%. In contrast, November experiences slightly milder temperatures, with a minimum of -1°C (30°F) and a maximum of 15°C (59°F), resulting in an average of 8°C (46°F). Precipitation is more substantial at 85 mm (3.3 in), spread over around 15 days, and humidity levels rise to 90%. For more details, you can visit Antrim weather in November.

In comparing the weather between January and December, we find that both months experience similar minimum temperatures, averaging around -4°C (25°F). However, January is slightly cooler overall, with an average temperature of 5°C (42°F), compared to December's 6°C (43°F). December also tends to be wetter, receiving 82 mm (3.2 in) of precipitation over 15 days, whereas January sees 56 mm (2.2 in) over just 11 days. Humidity levels are fairly comparable, with January at 87% and December at 86%. For more details, you can visit Antrim weather in December.

Compare Antrim's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Antrim

January in Antrim stands out as a cool, damp winter month, characterized by higher humidity and a noticeable chill that sets it apart from the milder months that follow. With temperatures frequently dipping to sub-zero levels at night, it contrasts sharply with the warmer spring days ahead. The increased precipitation over about a third of the days adds a layer of moisture to the air, contributing to the region's lush landscapes. Unlike the more temperate conditions of late winter and early spring, January’s weather calls for warmer layers and an umbrella at the ready. To learn more about Antrim's year-round weather patterns, explore the detailed insights at Antrim Climate.