March Weather in Portrush, United Kingdom

Last updated: March 17, 2025

In March, Portrush, United Kingdom, experiences a mix of cool temperatures and considerable rainfall. With a maximum temperature reaching 12°C (54°F) and an average of 7°C (45°F), the weather can feel brisk, especially with minimums dropping to -1°C (31°F) at night. This month is characterized by high humidity levels at 86% and frequent precipitation, totaling 112 mm (4.4 in) over 18 days. Visitors should come prepared for a blend of rain and chilly air, perfect for cozy indoor activities and enjoying the unique coastal scenery of this vibrant seaside town.

March Temperature in Portrush

As March unfolds in Portrush, the temperature begins to show subtle signs of transition, signaling the approach of spring. The minimum temperatures dip slightly to -1°C (31°F), introducing a chill that hints at winter's lingering influence. However, the average temperature remains steady at 7°C (45°F), while the maximum reaches up to 12°C (54°F), offering glimpses of warmer days ahead. This month is characterized by a delicate balance between the last remnants of winter and the budding warmth of spring, making it a transitional period where locals and visitors alike can enjoy the crisp sea air amidst expectant blooms.

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

The chart illustrates March 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.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Portrush

In March, Portrush experiences a notable amount of rainfall, with 112 mm (4.4 in) accumulated over 18 days. This precipitation continues the pattern seen earlier in the year, where January and February also reported significant rainfall, measuring 109 mm (4.3 in) and 132 mm (5.2 in), respectively. The consistent rainfall suggests a transition into spring that maintains moisture levels, setting the stage for the wetter months ahead. Comparatively, April brings a marked decrease in rainfall to 55 mm (2.2 in), highlighting March as a pivotal month of the season as it bridges the heavier winter rains to the drier spring periods. Overall, March's precipitation lays the groundwork for the lush landscapes that characterize the region, demonstrating the ongoing influence of maritime weather patterns.

March Precipitation Trends in Portrush

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

In March, humidity in Portrush, United Kingdom, stands at 86%, maintaining a steady rhythm seen since January. This slight dip from February's 86% mirrors a broader trend towards gradually lower humidity as spring approaches, with April expected to see a further decrease to 85%. The overall humidity levels during the initial months of the year are notably high, peaking at 90% in November, only to begin a gentle decline as warmer months draw near. Thus, March presents a transitional phase where the coastal climate begins to shake off winter’s dampness, hinting at the drying tendencies of the upcoming spring while still remaining characteristically moist.

March Average Humidity in Portrush

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

March UV Index in Portrush

As March arrives in Portrush, United Kingdom, residents and visitors can expect an increase in the UV Index, which rises to 3, categorized as moderate. This marks a noticeable shift from the low levels seen in January and February, indicating that while the sun's rays are becoming more prominent, it still requires caution. With a burn time of just 30 minutes, individuals are urged to start adopting sun safety practices as the days lengthen and temperatures rise. This trend of intensifying UV exposure will continue into April, where the index escalates to 5, a reminder that spring is on the horizon. Stay informed and proactive with your sun protection strategies by checking the detailed forecast at Portrush UV Index.

Maximum UV Index Levels in Portrush for March

The chart shows the monthly maximum UV Index (UVI) for Portrush in March, 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 March 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.

March Sunshine in Portrush

As spring unfolds in Portrush, March brings a delightful surge of sunshine, offering residents and visitors alike a refreshing 207 hours of sunlight compared to the modest illumination of January and February. This significant increase signals a shift towards longer days and brighter skies, which continue to blossom as the year progresses. April and May follow suit with even more generous offerings, boasting 319 and 405 hours of sunshine, respectively. This trend showcases a promising transition from the winter months into the warmer season, inviting everyone to embrace outdoor activities and the natural beauty of the coast. With the increasing daylight, March stands as a vibrant herald of spring, setting the stage for brighter days ahead.

Monthly Sunshine Duration in Portrush: March Highlighted

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

Chance of Sun in Portrush During March

March in Portrush, United Kingdom, tends to be a bit of a gray month, with a meager 15% chance of enjoying sunny weather. This marks a notable dip from the preceding months, like February, which offers a slightly better 25% chance of sunshine. As spring approaches in April, there's a significant leap to 43%, hinting that brighter days are just around the corner. Overall, while March may still hold onto winter's chill with limited sunny breaks, the promise of sunnier skies in the coming month keeps spirits buoyant.

Percentage of Sunny Days in March in Portrush

The chart illustrates the percentage of sunny days in Portrush throughout the year, with March 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 March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Portrush in March

As March unfolds in Portrush, daylight becomes noticeably more abundant, with an impressive 11 hours of sunlight gracing the skies. This marks a significant leap from February's 9 hours, signaling the arrival of spring and longer days ahead. The increasing daylight not only invites outdoor activities but also enhances the vibrant atmosphere of the town, setting the stage for more engaging community events as the month transitions into April, where daylight expands even further to 14 hours. This gradual shift in daylight duration underscores the beauty of seasonal change, breathing new life into the landscape and revitalizing both nature and the spirit of its inhabitants.

Average Daylight Hours in Portrush for March

The chart illustrates the variation in daylight duration in Portrush throughout the year, with March 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.

March Winds in Portrush

In March, Portrush experiences a gentle breeze with an average wind speed of 7.5 m/s (17 mph), marking a slight dip from the bluster of February. This transitional month hints at the arrival of spring, where winds begin to mellow after the winter's peak in January and February, which recorded higher averages at 7.8 m/s (17 mph) and 10.5 m/s (23 mph) respectively. As the coastal town moves into April, the winds continue to soften, dropping further to 5.9 m/s (13 mph). This trend of decreasing wind speeds not only provides a more inviting atmosphere for visitors and locals alike but also sets the stage for the warmer months ahead, where the calmness of late spring begins to replace the sharp gusts of early year. Overall, March serves as a pivotal bridge that heralds the shift in Portrush's weather landscape.

Average March Wind Speed in Portrush

The chart displays monthly wind speed patterns in Portrush, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.810.57.5 m/s5.96.25.73.84.55.57.79.38.3
Data source: Portrush March wind data, generated using information from the Copernicus Climate Change Service.

How March 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 March'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.

In comparing the weather of March and January, both months exhibit similar average temperatures, hovering around 7°C (45°F). However, March tends to be slightly cooler at night with a minimum temperature of -1°C (31°F), contrasting with January's minimum of 2°C (36°F). Precipitation levels are fairly close, with March receiving 112 mm (4.4 in) over 18 days, while January sees slightly less at 109 mm (4.3 in) across 17 days. Humidity levels remain high in both months, with March at 86% and January at 87%. For a more detailed look at January’s climate, check out Portrush weather in January.

In comparing the weather of March and February, both months exhibit similar average temperatures, with February having a slightly higher minimum temperature of 1°C (34°F) compared to March’s -1°C (31°F). The maximum temperatures remain the same at 12°C (54°F) for both months, while March shows a slight decrease in total precipitation, recording 112 mm (4.4 in) compared to February's 132 mm (5.2 in). Interestingly, both months experience about 18 days of rain and share the same humidity level of 86%. For more details about February conditions, you can visit Portrush weather in February.

March tends to be cooler and wetter compared to April, with average temperatures ranging from -1°C (31°F) to 12°C (54°F) and total precipitation of 112 mm (4.4 in) over 18 days. In contrast, April sees slightly milder temperatures with a minimum of 2°C (36°F) and a maximum of 13°C (56°F), alongside significantly reduced rainfall of 55 mm (2.2 in) across 12 days. Humidity levels remain similar, hovering around 85-86%, making April a more pleasant month overall. For a detailed look at weather patterns, you can visit Portrush weather in April.

March and May exhibit significant differences in weather patterns. In March, temperatures range from a chilly minimum of -1°C (31°F) to a maximum of 12°C (54°F), with an average temperature of 7°C (45°F). This month experiences ample rainfall, with 112 mm (4.4 in) of precipitation over 18 days, and a high humidity level of 86%, contributing to a typically damp atmosphere. In contrast, May sees milder conditions, with a minimum temperature of 5°C (41°F) and a maximum of 16°C (61°F), averaging 10°C (50°F). Precipitation decreases significantly to 72 mm (2.9 in) over 13 days, along with a slight drop in humidity to 82%, making for a more pleasant and dry experience overall. For a more detailed look, check out Portrush weather in May.

March weather in Portrush is characterized by cooler temperatures, with a minimum of -1°C (31°F) and an average of 7°C (45°F), while June sees a significant warm-up with minimum temperatures rising to 8°C (47°F) and an average of 12°C (54°F). Precipitation levels are relatively similar in both months, with March receiving 112 mm (4.4 in) over 18 days, compared to June's 105 mm (4.1 in) spread over 17 days. Additionally, humidity levels are slightly lower in June at 84%, compared to March's 86%. For a more detailed look at the weather in June, you can visit Portrush weather in June.

March and July present quite different weather profiles. In March, temperatures range from a chilly -1°C (31°F) at night to a mild 12°C (54°F) during the daytime, with an average of 7°C (45°F). The month is characterized by significant precipitation, totaling 112 mm (4.4 in) over 18 days and maintaining a high humidity of 86%. In contrast, July experiences much warmer conditions, with minimum temperatures of 11°C (52°F) and a maximum of 19°C (67°F), averaging at 14°C (57°F). The precipitation in July is slightly lower at 110 mm (4.3 in) over 17 days, while the humidity remains constant at 86%. For further details on the weather during July, you can visit Portrush weather in July.

March and August weather present a stark contrast in temperature and precipitation patterns. In March, temperatures range from a chilly -1°C (31°F) at night to a mild 12°C (54°F) during the day, with an average of 7°C (45°F). The month sees significant precipitation, totaling 112 mm (4.4 in) across 18 days, and maintains a high humidity level of 86%. In comparison, August features much warmer temperatures, with nighttime lows around 11°C (52°F) and daytime highs peaking at 18°C (66°F), averaging 14°C (58°F). Precipitation is slightly higher in August at 146 mm (5.7 in) over 20 days, yet humidity remains consistent at 86%. This showcases how summer months tend to be warmer, despite experiencing more rain on additional days. For further details, you can explore Portrush weather in August.

March and September exhibit distinct differences in weather patterns. In March, temperatures range from a chilly -1°C (31°F) at night to a mild 12°C (54°F) during the day, with an average of 7°C (45°F). The month is marked by significant precipitation, totaling 112 mm (4.4 in) over approximately 18 days, and a high humidity level of 86%. In contrast, September brings milder temperatures, with lows of 9°C (49°F) and highs reaching 17°C (64°F), averaging around 14°C (57°F). Although slightly more precipitation occurs in September at 117 mm (4.6 in) over about 20 days, the humidity rises just slightly to 88%. For a closer look at September weather specifics, visit Portrush weather in September.

In March, temperatures begin to rise gradually with an average of 7°C (45°F), while October experiences a milder average of 12°C (53°F). Both months see notable rainfall, but October tends to be wetter, receiving 161 mm (6.3 in) across 24 days compared to March's 112 mm (4.4 in) over 18 days. Humidity levels are slightly higher in October at 89%, compared to 86% in March, indicating a more humid feel as autumn settles in. For a detailed look at October's weather patterns, check out Portrush weather in October.

March and November exhibit distinct weather patterns, with March generally experiencing cooler temperatures and higher rain frequency. In March, minimum temperatures can drop to -1°C (31°F) and average around 7°C (45°F), while November sees milder minimums starting at 4°C (40°F) and an average of 9°C (49°F). Precipitation is also more pronounced in November, totaling 156 mm (6.2 in) over 23 days compared to March's 112 mm (4.4 in) over 18 days. Additionally, humidity levels are slightly higher in November at 90%, compared to 86% in March. For more insights on weather conditions specific to November, you can visit Portrush weather in November.

March and December present similar maximum temperatures, both peaking at around 12°C (54°F), but their minimum temperatures differ by a few degrees, with March dipping down to -1°C (31°F) while December stays slightly warmer at 2°C (35°F). Precipitation is notably higher in December, with 166 mm (6.5 in) over 23 days, compared to March's 112 mm (4.4 in) over 18 days. Despite the comparable average temperatures, December tends to be wetter, making it essential to prepare for extended periods of rain. For more details on the December weather in this region, visit Portrush weather in December.

Compare Portrush's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Portrush

As we bid farewell to winter in Portrush, March brings a noticeable shift in weather that sets the stage for spring. With temperatures gradually rising, the chilly days of February give way to a balmy average, though brisk mornings can still surprise with a drop to freezing. Rainfall is somewhat frequent, making this month one of the wetter times of the year, as April begins to tease with more stable weather. The high humidity lingers, creating a refreshing but occasionally damp atmosphere. For a deeper dive into how March weather influences the climate throughout the year in this beautiful coastal town, explore our detailed Portrush Climate page.