April Weather in Portrush, United Kingdom

Last updated: March 17, 2025

In April, Portrush, United Kingdom, experiences a temperate maritime climate characterized by a maximum temperature of 13°C (56°F) and an average of 8°C (47°F). The month sees a notable minimum temperature of 2°C (36°F), creating a cool atmosphere. With 55 mm (2.2 in) of precipitation over 12 days, residents often encounter damp conditions, contributing to a high humidity level of 85%. This blend of temperatures and moisture underscores the quintessential charm of Portrush in spring, inviting visitors to embrace its refreshing yet unpredictable weather.

April Temperature in Portrush

In April, temperatures in Portrush, United Kingdom begin to show the first signs of spring, with the minimum dipping to a mild 2°C (36°F) and the average warming up to 8°C (47°F). This month, residents can expect daytime highs that reach a comfortable 13°C (56°F), mirroring the maximums experienced earlier in the year. Notably, April’s averages suggest a subtle transition from winter’s chill, as temperatures rise just slightly from March’s consistent figures. As the month unfolds, the sense of renewal becomes palpable, setting a promising stage for the warmer months ahead.

April Weather in Portrush: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Portrush, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454444465054575856534946
Data source: Temperature data for Portrush generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Portrush

In April, Portrush experiences a noticeable dip in precipitation, with only 55 mm (2.2 in) of rainfall over 12 days. This marks a distinct contrast to the preceding months, where January, February, and March saw significantly higher totals, averaging around 110 mm and more. The milder April weather provides a welcome respite, suggesting a shift toward drier conditions as spring takes hold. As the year progresses, this trend of lower rainfall continues into May, further emphasizing April's role as a transitional month marked by clearer skies and budding landscapes, inviting residents and visitors alike to enjoy the blossoming beauty of the season.

April Precipitation Trends in Portrush

The chart displays monthly precipitation patterns in Portrush, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1091321125573105110146117161156166
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Portrush

In April, Portrush experiences a slight dip in humidity, with levels hovering at 85%. This marks a gradual decrease from the months leading up to spring, where humidity was consistently high at 86% in both January and February, and 86% in March. As the region transitions into warmer weather, it’s interesting to note how the humidity begins to decline, paving the way for drier conditions in May at 82%. April's humidity not only emphasizes the wetter climate of the earlier months but also hints at the upcoming summer trends, where moisture levels fluctuate, showcasing the unique coastal environment of Portrush.

April Average Humidity in Portrush

This chart illustrates the average monthly humidity levels in Portrush, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Portrush

As April arrives in Portrush, the UV Index climbs to 5, reflecting a moderate exposure risk for sun-seekers. This marks a noticeable shift from the earlier months of the year, where the UV Index hovered around 1 to 3, allowing for more extended outdoor activities without much concern. With a burn time of just 30 minutes, it's essential to stay vigilant while enjoying the budding spring weather. Looking ahead to May, the UV Index increases further to 6, pushing the exposure category into the high range, so sunscreen and protective measures will become increasingly important. For more detailed insights into UV trends and safety tips, visit Portrush UV Index.

Maximum UV Index Levels in Portrush for April

The chart shows the monthly maximum UV Index (UVI) for Portrush in April, 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Portrush April 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.

April Sunshine in Portrush

In April, the sun truly begins to shine in Portrush, as the hours of daylight surge to a delightful 319 hours, marking a significant increase from the previous months. This upward trend continues from March's 207 hours, showcasing the arrival of spring and longer sunny days. As the region blossoms into May, the bright days further intensify, reaching a peak of 405 hours. Following this vibrant burst of sunlight, June and July maintain high levels of sunshine, inviting both locals and visitors to enjoy the picturesque coastal scenery. However, as summer fades into autumn, a gradual decline is observed, with hours of sunshine steadily decreasing until the colder months set in. Overall, April's robust sunshine serves as a joyful precursor to the summer months, highlighting the delightful transformation of Portrush’s weather.

Monthly Sunshine Duration in Portrush: April Highlighted

The April sunshine duration represents the total number of hours Portrush experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec72h146h207h319h405h389h404h357h283h224h117h81h
Data source: Portrush April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Portrush During April

April marks a notable shift in Portrush, United Kingdom, as the likelihood of sunny weather climbs to 43%, making it one of the sunniest months of the year. This increase represents a significant leap from the dreary 15% chance in March, suggesting that spring is finally breaking through the winter gloom. Following April, the chances of sun begin to decline slightly in May to 36% and tumble again in the summer months, where July and August see lower probabilities of sunny weather. Overall, this transition implies that April serves as a hopeful gateway to sunnier days ahead, inviting locals and visitors alike to embrace the emerging warmth and extended daylight.

Percentage of Sunny Days in April in Portrush

The chart illustrates the percentage of sunny days in Portrush throughout the year, with April 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 Portrush experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%25%15%43%36%22%24%20%23%16%16%14%
Data source: Portrush April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Portrush in April

April brings a delightful surge in daylight to Portrush, with an impressive 14 hours of sunlight illuminating the days. This marks a significant increase from March's 11 hours, heralding the arrival of spring in full swing. As we transition from winter's shorter days, April exemplifies the trend of growing daylight that peaks in the summer months—reaching a bright 17 hours in June. The gradual extension of daylight not only enhances outdoor activities but also lifts spirits, as the longer evenings invite the community to relish the beauty of nature and vibrant gatherings. As the month unfolds, residents and visitors alike can soak up the sun, celebrating the lengthening days that lead into the warmth of summer.

Average Daylight Hours in Portrush for April

The chart illustrates the variation in daylight duration in Portrush throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 49m9h 40m11h 53m14h 10m16h 11m17h 17m16h 41m14h 51m12h 39m10h 24m8h 21m7h 13m
Data source: Portrush daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Portrush

In April, Portrush experiences a gentle shift in the winds, with an average speed of just 5.9 m/s (13 mph). This marks a noticeable decrease from the breezy conditions of the earlier months, particularly February, which recorded the highest winds at 10.5 m/s (23 mph). While earlier spring might have brought brisk air to invigorate outdoor activities, by April, the weather becomes milder as the coastal town transitions towards the calmness of summer. This trend continues into May, where the average wind speed slightly rises to 6.2 m/s (14 mph), indicating a gradual warming that people in the area welcome. As April unfolds, the winds lose their wintery edge, setting the stage for more comfortable days filled with sunshine and fresh coastal air.

Average April Wind Speed in Portrush

The chart displays monthly wind speed patterns in Portrush, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.810.57.55.9 m/s6.25.73.84.55.57.79.38.3
Data source: Portrush April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Portrush Compares to Other Months

The weather in Portrush changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April'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.

When comparing the weather in April and January, one can observe slight variations in temperature and precipitation. Both months feature a minimum temperature of 2°C (36°F) and a maximum of 13°C (56°F). However, April enjoys a slightly warmer average temperature of 8°C (47°F) compared to January's average of 7°C (45°F). Precipitation is notably lower in April, with 55 mm (2.2 in) over 12 days, while January sees a significant increase with 109 mm (4.3 in) across 17 days. Additionally, humidity levels are similar in both months, hovering around 85% in April and 87% in January. For a more detailed look at January's weather, you can visit Portrush weather in January.

When comparing the weather in April and February, April tends to be slightly warmer, with an average temperature of 8°C (47°F) compared to February's 7°C (44°F). The maximum temperatures also reflect this trend, with April reaching up to 13°C (56°F) while February peaks at 12°C (54°F). However, February experiences considerably more precipitation, totaling 132 mm (5.2 in) over 18 days, compared to April’s 55 mm (2.2 in) over just 12 days. Humidity levels remain quite similar, with February at 86% and April at 85%. For more insights about February's weather, you can check Portrush weather in February.

April generally experiences milder temperatures compared to March, with minimums rising from -1°C (31°F) in March to 2°C (36°F) in April. The average temperature also increases slightly from 7°C (45°F) in March to 8°C (47°F) in April, while the maximum temperature stays relatively consistent, reaching 12°C (54°F) in March and 13°C (56°F) in April. However, April sees a significant reduction in precipitation, dropping from 112 mm (4.4 in) over 18 days in March to 55 mm (2.2 in) across 12 days in April. Humidity levels remain similar, with March at 86% and April slightly lower at 85%. For more details on March's weather, check out Portrush weather in March.

April and May display a noticeable shift in weather patterns. In April, temperatures range from a minimum of 2°C (36°F) to a maximum of 13°C (56°F), with an average of 8°C (47°F), while May sees slightly warmer conditions, with temperatures moving from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), averaging around 10°C (50°F). Precipitation also increases in May, with 72 mm (2.9 in) over 13 days, compared to April's 55 mm (2.2 in) over 12 days. Humidity is slightly lower in May at 82%, while April's humidity is at a higher 85%. For more details, visit Portrush weather in May.

April's weather is typically cooler, with temperatures ranging from a minimum of 2°C to a maximum of 13°C, and an average of 8°C. The month also experiences higher humidity at 85% and around 55 mm of precipitation over approximately 12 days. In contrast, June sees a rise in temperatures, with a minimum of 8°C and a maximum of 17°C, averaging at 12°C. While June has more total rainfall, totaling 105 mm over about 17 days, the humidity remains relatively stable at 84%. For a detailed look at June's weather, you can check Portrush weather in June.

In comparing the weather between April and July, April is notably cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 13°C (56°F), while July sees a milder range with minimums of 11°C (52°F) and maximums reaching 19°C (67°F). Additionally, April features a lower overall precipitation of 55 mm (2.2 in) over 12 days, in contrast to July, which experiences higher rainfall of 110 mm (4.3 in) over 17 days. Humidity levels are quite comparable, with April at 85% and July slightly higher at 86%. For a more detailed look at July weather, you can visit Portrush weather in July.

April and August present notably different weather patterns. In April, temperatures are cooler, with minimums around 2°C (36°F) and average highs reaching 13°C (56°F). The month experiences relatively moderate precipitation, totaling 55 mm (2.2 in) over about 12 days, accompanied by high humidity at 85%. In contrast, August showcases milder temperatures, with minimums of 11°C (52°F) and average highs of 18°C (66°F). This month is wetter, with precipitation amounting to 146 mm (5.7 in) over 20 days, and humidity remains slightly elevated at 86%. For a closer look at the specific conditions in August, you can visit Portrush weather in August.

April and September present distinct weather patterns, reflecting their transitionary roles in the seasons. In April, temperatures range from a chilly minimum of 2°C (36°F) to a mild average of 8°C (47°F), peaking at 13°C (56°F). The month sees about 55 mm (2.2 in) of precipitation over approximately 12 days, with humidity levels around 85%. In contrast, September offers a more temperate experience, with minimum temperatures of 9°C (49°F) and average highs reaching 17°C (64°F). However, it does come with increased rainfall, totaling 117 mm (4.6 in) over about 20 days, and slightly higher humidity at 88%. Thus, while April is cooler and less wet, September tends to be warmer but more prone to rain. For more detailed insights, check out Portrush weather in September.

April and October present contrasting weather patterns, reflecting the transition from spring to autumn. In April, temperatures range from a chilly minimum of 2°C (36°F) to an average of 8°C (47°F), peaking at 13°C (56°F). The month experiences approximately 55 mm (2.2 in) of rainfall over about 12 days, accompanied by a humidity level of 85%. In comparison, October is noticeably milder, with temperatures starting at a minimum of 5°C (42°F) and averaging 12°C (53°F), reaching a maximum of 16°C (62°F). However, it also brings significantly more rain, totaling 161 mm (6.3 in) over 24 days, and slightly higher humidity at 89%. For a detailed look at the conditions to expect this fall, you can visit Portrush weather in October.

April and November showcase distinct weather patterns as the seasons transition. In April, temperatures typically range from a minimum of 2°C (36°F) to a maximum of 13°C (56°F), with an average of 8°C (47°F). The month sees about 55 mm (2.2 in) of precipitation over around 12 days, accompanied by a relatively high humidity level of 85%. In contrast, November experiences slightly warmer temperatures, with a minimum of 4°C (40°F) and a maximum of 14°C (58°F), averaging 9°C (49°F). However, it also brings significantly more rainfall, with 156 mm (6.2 in) across 23 days and an increase in humidity to 90%. For a deeper look into November's weather patterns, you can visit Portrush weather in November.

April and December exhibit similar average temperatures, with both months averaging around 8°C (46°F). However, December tends to be wetter, receiving 166 mm (6.5 in) of precipitation over 23 days compared to April's 55 mm (2.2 in) across 12 days, making it a significantly rainier month. The humidity levels are also quite close, with December recording 86% humidity versus April's 85%. These factors contribute to a generally cooler and more damp atmosphere in December, as detailed further in this link: Portrush weather in December.

Compare Portrush's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Portrush

As April unfolds in Portrush, the weather presents a refreshing transition, marked by cooler temperatures and increased humidity compared to the milder winter months. With an average daily temperature that hovers around 8°C, this month often brings a brisk chill, especially in the evenings. Rain is a frequent visitor, resulting in about 12 wet days and a total of 55 mm of precipitation, making it wetter than many of its preceding months. If you're planning to explore this picturesque coastal town, layering up and preparing for the occasional shower will ensure you enjoy the vibrant onset of spring. For more insights on the trends and variations in Portrush, visit Portrush Climate.