Last updated: March 17, 2025
January in Portrush, United Kingdom, showcases a mild yet damp climate, with maximum temperatures reaching 13°C (56°F) and an average of 7°C (45°F). The month brings a chill with minimum temperatures dropping to 2°C (36°F). Notably, Portrush experiences significant rainfall, accumulating around 109 mm (4.3 in) over 17 rainy days, contributing to a high humidity level of 87%. Despite the frequent showers, the coastal town's natural beauty and vibrant atmosphere shine through, beckoning visitors to explore its stunning landscapes, even in winter.
In January, Portrush experiences a cool climate, with temperatures ranging from a brisk 2°C (36°F) to a comfortable high of 13°C (56°F), resulting in an average of 7°C (45°F). This month marks the transition from winter's chill to the milder days of early spring. As February approaches, the temperatures dip slightly, with a minimum of 1°C (34°F) and a maximum of 12°C (54°F), keeping the average steady at 7°C (44°F). March introduces cooler nights, occasionally flirting with freezing at -1°C (31°F), yet the month maintains a consistent average of 7°C (45°F). Moving into April, the air begins to warm again, with minimums returning to 2°C (36°F) and highs achieving 13°C (56°F). This gradual warming continues through May and into the summer months, with temperatures steadily rising, reaching up to 19°C (67°F) in July, showcasing how Portrush transitions from the crispness of winter to the warmth of summer, making it an inviting destination year-round.
In January, Portrush experiences a notable amount of rainfall, with precipitation totaling 109 mm (4.3 in) over the course of the month. This wet start to the year features rain on approximately 17 days, setting the tone for a generally damp winter. Compared to the subsequent months, January's figures reveal a gradual upward trend in precipitation, peaking in the autumn and winter seasons, particularly in October and December, which often see the highest rainfall amounts. Interestingly, January's moderate rainfall lays the groundwork for an increasingly soggy February, suggesting that visitors and residents alike should come prepared for the typical mild and wet Irish climate that characterizes the region.
In January, Portrush experiences its peak humidity at a substantial 87%, setting the tone for a typically damp winter. This level of humidity remains relatively stable through February and March, both registering at 86%. As spring approaches in April, there’s a slight dip to 85%, suggesting a subtle shift as the weather begins to warm. Throughout the summer months, humidity levels fluctuate slightly, peaking again in July and August at 86%, before climbing back up to 88% in September. The autumn brings an upward trend, with October reaching 89%, and November closing in on 90% as winter sets in again. Ultimately, December sees humidity settle at 86%, reflecting a cycle that highlights Portrush's consistently moist coastal climate throughout the year.
In January, Portrush experiences a low UV Index of 1, indicating minimal risk from sun exposure, with a burn time of 45 minutes. As the month turns to February, the UV Index slightly increases to 2, maintaining a similar low exposure risk. However, a notable shift occurs in March, when the Index rises to 3, marking the onset of moderate exposure, where burn time reduces to 30 minutes. This trend continues into April with a UV Index of 5, emphasizing the importance of protection as spring approaches. By May, the Index peaks at 6 and enters the high exposure category, which signals shorter burn times of 25 minutes. The summer months of June and July see the UV Index remain at a striking 8, reflecting very high risk, prompting a crucial need for sun safety with just 15 minutes until potential burn. The Index starts to decline in August at 6, then settles back to 5 in September, indicating a return to moderate exposure. As autumn approaches, October and November see a further drop, with UV values of 3 and 2 respectively, before landing back at 1 in December. Overall, from winter to summer, the UV Index in Portrush clearly illustrates the seasonal shifts in sun exposure, underscoring the importance of adapting sun safety practices year-round. For more information, check out Portrush UV Index.
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In Portrush, January brings a modest 72 hours of sunshine, marking the start of the year with a gentle embrace of light. As winter gives way to spring, February experiences a leap to 146 hours, signaling a gradual awakening of longer days. By March, the sun shines more brightly, offering 207 hours and inviting residents out of hibernation. With the arrival of April, the warmth continues to build, reaching 319 hours, while May bursts forth with 405 hours of radiant sunshine, making it one of the sunniest months. However, summer's peak in July sees a slight dip to 404 hours, followed by an easing into autumn with August's 357 hours. The trend shifts again as the days grow shorter, plunging to 283 hours in September and continuing downwards through the cooler months. By November, Portrush experiences 117 hours of sunshine, dwindling to a mere 81 hours in December, as the year wraps up in a cozy, subdued glow, showcasing the cyclical nature of light throughout the seasons.
In January, the likelihood of sunny weather in Portrush, United Kingdom hovers around a modest 23%, setting a somewhat dreary tone to start the year. This percentage is slightly below the chance of sun in February at 25%, indicating a marginally brighter outlook as winter begins to wane. However, the chances of sunshine take a notable dip in March, dropping to 15%, before rebounding significantly in April to a much more promising 43%. The trend suggests that while January may be characterized by overcast skies and limited sunny days, the subsequent months provide a gradual increase in sunshine, hinting at the arrival of spring and the brighter days ahead.
In Portrush, United Kingdom, January brings about a modest 7 hours of daylight, marking the beginning of a gradual increase as winter fades into spring. As we transition into February, daylight increases to 9 hours, setting the stage for a more vibrant March with 11 hours of sunlight. By April, the days grow significantly longer, offering 14 hours of daylight and heralding the full bloom of spring. May dazzles with 16 hours, and June reaches its zenith at 17 hours, showcasing the height of summer. The slight dip begins in July with 16 hours of daylight, followed by August’s 14 hours, reminding us that summer days are still cherished. As autumn approaches, September offers 12 hours, while October, November, and December slender down to 10, 8, and back to 7 hours, respectively, creating a beautiful cycle of light that leaves us anticipating the return of longer days with the new year.
In January, Portrush welcomes the New Year with an average wind speed of 7.8 m/s (17 mph), which creates a brisk coastal atmosphere that invigorates both locals and visitors. This sets the tone for the winter months, where winds generally ramp up, peaking in February at 10.5 m/s (23 mph) before declining again in March. A noticeable trend emerges as spring approaches—winds typically soften, hitting their annual low in July at just 3.8 m/s (8 mph), allowing for more serene summer days. As autumn rolls in, winds gain strength again, particularly in November, which showcases average speeds of 9.3 m/s (21 mph). Thus, Portrush experiences a dynamic ebb and flow of wind speeds throughout the year, with January serving as a robust reminder of the invigorating gales that characterize the region.
The weather in Portrush 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 Portrush and find detailed weather information for every month.
January and February share similar average temperatures, with January exhibiting a slightly higher maximum temperature of 13°C (56°F) compared to February's peak of 12°C (54°F). Both months experience mild temperatures, with January's minimum being 2°C (36°F) and February's slightly lower at 1°C (34°F). However, February sees increased precipitation levels, totaling 132 mm (5.2 in) over 18 days, while January experiences 109 mm (4.3 in) over 17 days. Humidity remains relatively consistent, with January at 87% and February slightly lower at 86%. For a more detailed look at February weather, you can check Portrush weather in February.
January and March in Portrush exhibit some notable similarities and differences in their weather patterns. Both months have similar average temperatures, hovering around 7°C (45°F). However, January tends to be slightly warmer, with a maximum of 13°C (56°F) compared to March’s peak of 12°C (54°F). Precipitation levels are fairly comparable, with January experiencing 109 mm (4.3 in) over 17 days, while March sees a marginally higher amount of 112 mm (4.4 in) spread across 18 days. Humidity remains high in both months, slightly decreasing from January's 87% to March's 86%. For more detailed information about March weather specifically, you can check Portrush weather in March.
In January, the weather is cooler and generally wetter, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 13°C (56°F), and a notable precipitation of 109 mm (4.3 in) spread over 17 days. The high humidity level at 87% adds to the chilly feel. In contrast, April brings slightly warmer temperatures, with an average ranging from 2°C (36°F) to 13°C (56°F) as well, but it sees a significant reduction in precipitation to 55 mm (2.2 in) over just 12 rainy days. The humidity also eases to 85%, making for a more comfortable atmosphere. For more information on the weather conditions during this month, check out Portrush weather in April.
In January, temperatures in Portrush are notably cooler, with minimums around 2°C (36°F) and averages of 7°C (45°F), peaking at 13°C (56°F). The month is characterized by significant precipitation, totaling 109 mm (4.3 in) over 17 rainy days, combined with high humidity levels of 87%. In contrast, May brings milder weather, with minimum temperatures rising to 5°C (41°F) and an average of 10°C (50°F), while maximum temperatures can reach 16°C (61°F). Precipitation decreases to 72 mm (2.9 in) across 13 days, and humidity also experiences a slight drop to 82%. For a detailed look at May weather conditions, you can visit Portrush weather in May.
In January, the weather in Portrush is markedly colder, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 13°C (56°F). The month experiences significant rainfall, totaling 109 mm (4.3 in) over 17 days, and high humidity levels at 87%. In contrast, June provides a more temperate climate, with average temperatures between 8°C (47°F) and 17°C (62°F). Although the precipitation is slightly lower at 105 mm (4.1 in) over the same number of days, humidity decreases to 84%. For a closer look at the weather specifics during this month, check Portrush weather in June.
In January, the weather is characterized by cool temperatures, with a minimum of 2°C (36°F) and an average of 7°C (45°F), reaching a maximum of 13°C (56°F). The month experiences significant precipitation, totaling 109 mm (4.3 in) over 17 days, and high humidity at 87%. In contrast, July brings milder conditions, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 19°C (67°F), and an average temperature of 14°C (57°F). Interestingly, July also sees a similar amount of precipitation, totaling 110 mm (4.3 in) over the same 17 days, but slightly lower humidity at 86%. For more detailed insights, check out Portrush weather in July.
In comparing the weather between January and August, we can observe notable differences in temperature and precipitation patterns. January experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 7°C (45°F), while August enjoys milder conditions, starting at a minimum of 11°C (52°F) and averaging 14°C (58°F). Precipitation levels are higher in August, totaling 146 mm (5.7 in) over approximately 20 days, compared to January’s 109 mm (4.3 in) across 17 days. Humidity levels remain relatively consistent, with January at 87% and August slightly lower at 86%. For more details on August weather, you can check Portrush weather in August.
In January, the weather is considerably colder with average temperatures ranging from 2°C (36°F) to a maximum of 13°C (56°F), along with high humidity at 87%. The month experiences notable precipitation, with 109 mm (4.3 in) spread over 17 days. In contrast, September brings a milder climate, where temperatures range from a minimum of 9°C (49°F) to an average high of 17°C (64°F), and humidity slightly rises to 88%. September also sees slightly more rain, with 117 mm (4.6 in) over 20 days. For a detailed look into the weather patterns during this month, check out Portrush weather in September.
January and October exhibit notable differences in weather patterns. January generally has cooler temperatures, with a minimum of 2°C (36°F) and an average of 7°C (45°F), whereas October sees slightly milder conditions, starting at a minimum of 5°C (42°F) and averaging 12°C (53°F). Precipitation is more pronounced in October, with 161 mm (6.3 in) of rain over 24 days compared to January's 109 mm (4.3 in) over 17 days. Additionally, humidity levels remain high in both months, with January at 87% and October at 89%. For more detailed information, you can check Portrush weather in October.
January and November present similar cool temperatures, but November tends to be slightly warmer overall. In January, the average temperature hovers around 7°C (45°F), with a minimum of 2°C (36°F) and a maximum of 13°C (56°F). In contrast, November sees average temperatures of 9°C (49°F), ranging from a minimum of 4°C (40°F) to a maximum of 14°C (58°F). Precipitation is more pronounced in November, with 156 mm (6.2 in) falling over 23 days, compared to January's 109 mm (4.3 in) over 17 days. Humidity is also higher in November at 90%, compared to January's 87%. For a more detailed view of how the weather varies in November, you can check Portrush weather in November.
In comparing the weather patterns of January and December, we see some notable similarities and differences. Both months experience a minimum temperature of around 2°C (36°F) and relatively high humidity, with January slightly higher at 87% compared to December's 86%. However, January tends to be slightly cooler on average, with an average temperature of 7°C (45°F) versus December's 8°C (46°F). Precipitation is more pronounced in December, totaling 166 mm (6.5 in) over 23 days, in contrast to January's 109 mm (4.3 in) over 17 days. This indicates that December is wetter with more frequent rain showers. For more detailed insights into December weather specifics, you can visit Portrush weather in December.
As January settles over Portrush, it brings a distinct chill that sets it apart from the milder months of the year. With an average temperature lingering around 7°C, this month stands out as one of the colder times for the region, often accompanied by grey skies and frequent rain. The higher levels of precipitation, occurring on nearly half of the month's days, contribute to the overall dampness, with humidity levels soaring to 87%. While conditions may be brisk, January offers a unique charm for those willing to embrace the elements. For a deeper understanding of what to expect throughout the year, explore the detailed insights at Portrush Climate.