Last updated: March 17, 2025
August in Portrush, United Kingdom, is characterized by a temperate climate, with maximum temperatures reaching a pleasant 18°C (66°F) and an average of 14°C (58°F). The month experiences a minimum temperature of 11°C (52°F), ensuring cool evenings. However, it also brings significant rainfall, accumulating to 146 mm (5.7 in) over approximately 20 days, resulting in a notably high humidity level of 86%. Visitors should be prepared for frequent showers, making it a month where both sun and rain share the stage in this picturesque seaside town.
In August, Portrush experiences mild temperatures that reflect the height of summer, making it an inviting time for visitors. The average temperature hovers around 14°C (58°F), with lows of 11°C (52°F) and highs reaching 18°C (66°F). This warmth marks a notable increase compared to earlier months, where temperatures gradually rise from the chilly depths of winter. As the warmest month of the year, August presents a delightful transition from the cooler July, making it ideal for beach outings and outdoor activities. Overall, the climate in Portrush during this time fosters a vibrant atmosphere filled with opportunities to enjoy the picturesque coastal scenery.
August in Portrush, United Kingdom, brings a noticeable increase in rainfall, with an average precipitation of 146 mm (5.7 in) over 20 days—the highest for the month and a significant leap from the drier summer months preceding it. This uptick in both precipitation amount and the number of rainy days marks a shift towards the wetter autumn season, as cloud cover increases and the days grow shorter. Following the consistent rainfall pattern established in July, August's weather prepares residents and visitors alike for an atmospheric transition, hinting at the impending arrival of autumn's more frequent and heavier showers. The trend showcases Portrush's characteristic shift from summer's moderate conditions to the richer, more dramatic precipitation typical of later months.
In August, Portrush, United Kingdom, experiences a humidity level of 86%, closely mirroring the previous months of July. This consistent humidity trend reflects the region's maritime climate, where high moisture content prevails throughout the summer. Interestingly, humidity begins to creep upwards as autumn approaches, rising to 88% in September and nearly reaching 90% by November. Overall, Portrush maintains a high humidity level from January through December, showcasing its unique coastal environment that yields a refreshing yet often damp atmosphere year-round.
In August, Portrush experiences a high UV Index of 6, which means that sun exposure is particularly significant and precautions are recommended. With a burn time of around 25 minutes, it's crucial for residents and visitors to be mindful of the intensity of the sun during this time. Following a peak in June and July at a UV Index of 8, August signals a slight decline, although the risks remain considerable. As summer wanes, the UV levels will gradually taper off into September—returning to a moderate index. For those planning outdoor activities, a strategic approach to sun protection ensures a safe and enjoyable experience. For more detailed information, check out Portrush UV Index.
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August in Portrush, United Kingdom, continues the summer trend of plentiful sunshine, boasting 357 hours of bright skies. This figure reflects a slight decline from the peak summer months of June and July, which enjoyed 389 and 404 hours respectively, yet remains significantly higher than the colder, darker months that bookend the year. As summer draws to a close, August still offers ample opportunity for outdoor activities and stunning coastal views, making it a popular choice for visitors. Looking ahead, September begins the gradual transition into autumn, reducing sunshine hours to 283, but the warmth of late summer lingers in the air, inviting both locals and tourists to savor the last rays of sunshine before the seasons change.
In August, Portrush experiences a modest 19% chance of sunny weather, reflecting a slight dip from the peak of 43% seen in April and showing a consistent trend of lower sunshine probabilities during the summer's final month. The trend reveals that while the early summer months, like May and June, offer slightly better prospects for sunshine, August typically yields a mix of overcast days. This pattern highlights the coastal town's tendency toward more variable weather, making it essential for visitors to remain prepared for a blend of sun and clouds during this transitional time of year.
In August, daylight in Portrush, United Kingdom, begins to transition as summer wanes, with an average duration of 14 hours. This marks a slight decrease from the 17 hours enjoyed in June and the 16 hours of July, signaling the gradual approach of autumn. The month retains a generous amount of light, allowing for extended evenings perfect for coastal strolls and golden sunsets. As the year progresses, daylight will continue to diminish, tapering off to 12 hours in September and 10 hours in October, but August stands out as a vibrant time when long, sunlit days still dominate the scene.
In August, Portrush, United Kingdom, experiences a noticeable dip in wind speeds, averaging at 4.5 m/s (10 mph)—a lull compared to the robust gusts of earlier months. Following a gradual decline from July's gentle 3.8 m/s (8 mph), the winds in August continue to soften, setting a tranquil scene ideal for beachgoers and outdoor activities. This trend of diminishing wind speeds highlights a shift from the more vigorous breezes of the spring and early summer, where January and February posted higher averages of 7.8 m/s (17 mph) and 10.5 m/s (23 mph) respectively. As summer wanes, the transition to autumn brings a subtle increase in wind activity in the following months, hinting at the dynamic atmospheric changes that characterize Portrush's coastal climate.
The weather in Portrush changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August'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.
August and January present distinct differences in weather conditions. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 18°C (66°F), with an average of 14°C (58°F). The month experiences significant precipitation, totaling 146 mm (5.7 in) over 20 days, contributing to a high humidity level of 86%. In contrast, January has cooler temperatures, with a minimum of 2°C (36°F), an average of 7°C (45°F), and a maximum of 13°C (56°F). It also experiences less precipitation at 109 mm (4.3 in) over 17 days, with humidity slightly higher at 87%. For more details on January weather, you can visit Portrush weather in January.
When comparing the weather in August and February, notable differences arise despite similar humidity levels of 86%. August typically experiences milder temperatures with a minimum of 11°C (52°F), an average of 14°C (58°F), and a maximum of 18°C (66°F). In contrast, February is significantly cooler, with temperatures ranging from a minimum of 1°C (34°F) to an average of 7°C (44°F) and a maximum of 12°C (54°F). Precipitation is also prevalent in both months, with August receiving 146 mm (5.7 in) across 20 days, while February sees slightly less at 132 mm (5.2 in) over 18 days. For more detailed weather conditions during February, you can check Portrush weather in February.
In comparing the weather patterns of August and March, notable differences emerge. August boasts milder temperatures, with a range from a minimum of 11°C (52°F) to a maximum of 18°C (66°F) and an average of 14°C (58°F). In contrast, March experiences much cooler conditions, with temperatures ranging from a low of -1°C (31°F) to a high of 12°C (54°F) and averaging at 7°C (45°F). While both months exhibit high humidity levels at 86%, August sees more precipitation, totaling 146 mm (5.7 in) over 20 days, compared to March's 112 mm (4.4 in) across 18 days. For a closer look at the weather in March, you can visit Portrush weather in March.
When comparing the weather in August and April, significant differences are evident. August typically sees milder temperatures, with a minimum of 11°C (52°F) and an average of 14°C (58°F), while April starts cooler, ranging from a minimum of 2°C (36°F) and averaging 8°C (47°F). Precipitation is notably higher in August, totaling 146 mm (5.7 in) across 20 days, compared to April's 55 mm (2.2 in) over 12 days. Despite the slightly higher humidity in August at 86%, April maintains a close 85%. For more detailed insights, you can explore Portrush weather in April.
When comparing the weather in May and August, August tends to be warmer and wetter. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 18°C (66°F), averaging around 14°C (58°F). In contrast, May experiences cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 16°C (61°F), leading to an average of 10°C (50°F). Additionally, August sees significantly more rainfall, with 146 mm (5.7 in) over approximately 20 days, compared to May's 72 mm (2.9 in) over 13 days. Humidity also rises slightly in August at 86%, compared to May’s 82%. For more detailed information, you can check out Portrush weather in May.
In comparing the weather between June and August, August tends to be slightly warmer, with average temperatures reaching 14°C (58°F), compared to June's average of 12°C (54°F). The maximum temperature in August is also higher, peaking at 18°C (66°F) versus June's 17°C (62°F). However, August experiences more precipitation, with 146 mm (5.7 in) over 20 days, compared to June's 105 mm (4.1 in) across 17 days. Humidity levels are similar, with August at 86% and June at 84%. For a detailed look at June weather, you can visit Portrush weather in June.
In comparing the weather of August and July, we see that both months share similar temperature ranges, with a minimum of 11°C (52°F), an average around 14°C (57-58°F), and maximum temperatures slightly differing; July reaches up to 19°C (67°F) while August peaks at 18°C (66°F). August, however, is characterized by significantly higher precipitation, accumulating 146 mm (5.7 in) over 20 days compared to July's 110 mm (4.3 in) and 17 rainy days. Humidity remains consistent in both months at 86%, making for equally muggy conditions. For further insights, you can explore Portrush weather in July.
August and September both showcase cool temperatures and a relatively high incidence of precipitation, yet they display some noticeable differences. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 18°C (66°F), while September sees slightly cooler conditions, with a minimum of 9°C (49°F) and a maximum of 17°C (64°F). Precipitation levels are also noteworthy, as August experiences 146 mm (5.7 in) over 20 days, compared to September's 117 mm (4.6 in), retaining the same number of rainy days. Additionally, humidity levels rise slightly in September, reaching 88% compared to August’s 86%. For more information on weather specifics, you can check Portrush weather in September.
In August, the weather is generally milder with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 18°C (66°F), and an average temperature of 14°C (58°F). However, it experiences considerable precipitation, with 146 mm (5.7 in) falling over about 20 days and a humidity level of 86%. In contrast, October sees cooler temperatures, dipping to a minimum of 5°C (42°F) and an average of 12°C (53°F), with a maximum of 16°C (62°F). October also has a slightly higher precipitation level at 161 mm (6.3 in) spread across 24 days and an increase in humidity to 89%. For more detailed insights into October's climate, check out Portrush weather in October.
In comparing the weather of August and November, notable differences emerge. August generally sees milder temperatures with a minimum of 11°C (52°F) and an average of 14°C (58°F), while November cools down, with minimum temperatures dropping to 4°C (40°F) and an average of 9°C (49°F). Both months experience significant rainfall, but August has slightly less precipitation at 146 mm (5.7 in) over 20 days, compared to November's 156 mm (6.2 in) spread over 23 days. Humidity levels are also higher in November, reaching 90% compared to August's 86%. For more specifics on November weather, check out Portrush weather in November.
In August, the weather in Portrush is relatively mild, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 18°C (66°F) and an average of 14°C (58°F). The month is characterized by significant rainfall, totaling 146 mm (5.7 in) over about 20 days, while the humidity remains high at 86%. In contrast, December brings cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 12°C (54°F), averaging around 8°C (46°F). December is slightly wetter, with 166 mm (6.5 in) of precipitation over 23 days, maintaining the same humidity level of 86%. For more details about the December weather, you can visit Portrush weather in December.
August in Portrush offers a distinct transition, where the summer warmth peaks but begins to ebb away. While visitors can still enjoy pleasant days with temperatures flirting around the mid-teens, the increased precipitation—with rain making an appearance on more than half the days—can dampen outdoor plans. The humidity hovers around a hefty 86%, infusing the air with a tropical feel, contrasting sharply with the drier months of July and September. For a deeper dive into Portrush's unique climate patterns, explore Portrush Climate.