August Weather in Coleraine, United Kingdom

Last updated: March 17, 2025

August in Coleraine, United Kingdom, offers a mild maritime climate characterized by average temperatures around 14°C (58°F), peaking at a maximum of 18°C (66°F) while dipping to a minimum of 11°C (52°F). This month is notably wet, with a significant precipitation amount of 146 mm (5.7 in) spread over 20 days, leading to an average humidity level of 86%. Visitors can expect a mix of light rain and overcast skies, making it essential to pack accordingly for the unpredictable weather and enjoy the lush, green landscapes that flourish during this time.

August Temperature in Coleraine

In August, Coleraine, United Kingdom enjoys a mild reprieve from the summer heat, with temperatures ranging from a minimum of 11°C (52°F) to a comfortable maximum of 18°C (66°F). The average temperature settles around 14°C (58°F), reflecting a trend of gradual warming as the summer months progress. This month maintains the relatively temperate climate characteristic of the region, providing a pleasant atmosphere for outdoor activities. The values indicate a slight decrease from July's peak, but August still offers a delightful balance of warmth, perfect for enjoying the vibrant landscapes and local festivities. As summer wanes, the early signs of autumn begin to emerge, reminding residents and visitors alike of the seasonal transitions ahead.

August Weather in Coleraine: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Coleraine, 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 Coleraine 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.

August Precipitation in Coleraine

August in Coleraine, United Kingdom, marks a significant uptick in precipitation, recording 146 mm (5.7 in) of rainfall over 20 days. This trend reveals a notable shift from the drier summer months of April to July, which averaged between 55 mm and 110 mm. As the summer gives way to early autumn, the pattern of increased rainfall becomes evident, with August boasting the highest precipitation amount compared to its preceding months. Following August, the wet conditions typically continue into September and October, further indicating a seasonal transition from the relatively mild summer towards the wetter fall months. This pattern of increased rainfall is characteristic of Coleraine’s climate, offering a reminder of the region's propensity for damp weather as it strides into the latter part of the year.

August Precipitation Trends in Coleraine

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

In Coleraine, United Kingdom, August brings a humidity level of 86%, consistent with the preceding months of July and February. This trend of elevated humidity is particularly characteristic of the summer months, reflecting the area's maritime climate. As the year progresses, a gradual increase in humidity is evident, climbing from 82% in May to 90% in November. With the cooler fall months approaching, residents can anticipate a rise in humidity, as September marks a peak before winter ushers in even higher levels. Overall, August stands as a pivotal point in this yearly cycle, where warm weather intertwines with the increasing moisture in the air, creating a unique atmosphere in this coastal town.

August Average Humidity in Coleraine

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

August UV Index in Coleraine

As summer fades, August in Coleraine, United Kingdom, presents a UV Index of 6, categorized as high. This marks a slight decline from the very high levels seen in July, yet caution is still advised, with a burn time of just 25 minutes under direct sunlight. The trend throughout the summer months highlights a peak in UV exposure, especially in June and July, where the UV Index reached a maximum of 8, necessitating short intervals of sun exposure. Transitioning into Autumn, the UV Index will continue to drop, moving to moderate levels by September. It's essential to stay informed and protect your skin, especially during these high index months; for more details, visit Coleraine UV Index.

Maximum UV Index Levels in Coleraine for August

The chart shows the monthly maximum UV Index (UVI) for Coleraine in August, 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: Coleraine August 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.

August Sunshine in Coleraine

In August, Coleraine basks in a generous 357 hours of sunshine, continuing the summer’s trend of abundant daylight. This month sits comfortably just below the peak sunshine hours of July, which boasts 404 hours, reflecting the region's warmest period. As summer transitions into autumn, the vibrant days of May and June with their impressive 405 and 389 hours gradually give way to a decline, with September bringing 283 hours. This gradual shift highlights the fleeting nature of summer sun in Coleraine, as the area prepares for the cooler months ahead, where sunshine hours drop sharply, especially in November and December. Overall, August serves as a beautiful reminder of the summer's warm embrace, inviting residents and visitors alike to savor the last rays of sun before the seasons change.

Monthly Sunshine Duration in Coleraine: August Highlighted

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

Chance of Sun in Coleraine During August

In Coleraine, United Kingdom, August presents a rather modest 19% chance of sunny weather, continuing a slightly declining trend seen through the summer months. After experiencing relatively brighter days in April (43%) and May (36%), the likelihood of sunshine dips into the low twenties in June and July, ultimately culminating in August's lackluster forecast. This suggests that, while late summer might hold some potential for sun, it generally doesn’t deliver the consistency of brighter months earlier in the year. As autumn approaches, the sunshine probability continues to diminish, hinting that if you’re hoping for a sun-soaked August, it might be wise to manage your expectations.

Percentage of Sunny Days in August in Coleraine

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

Daylight Hours in Coleraine in August

In August, Coleraine, United Kingdom, enjoys a notable decline in daylight duration, with approximately 14 hours of daylight. This marks a gradual shift from the long, bright days of summer, as June peaks with 17 hours. Following July's 16 hours, August signals the end of the vibrant summer days, paving the way for the shorter, cozy evenings of autumn. As daylight begins to wane, the rhythms of life in Coleraine subtly shift, hinting at the seasonal changes ahead while still celebrating the lingering warmth of summer.

Average Daylight Hours in Coleraine for August

The chart illustrates the variation in daylight duration in Coleraine throughout the year, with August 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: Coleraine daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Coleraine

In Coleraine, the month of August brings a gentle shift in the wind, with an average wind speed of 4.5 m/s (10 mph), marking a notable drop from the breezy days of July. This decline continues the trend of decreasing winds during the summer months, where the velocities were at their lowest. As summer wanes, a subtle uptick is observed in the winds of early autumn, setting the stage for the more energetic gusts of September at 5.5 m/s (12 mph). Overall, August serves as a tranquil interlude, with its mild breezes offering a peaceful respite before the windier months ahead.

Average August Wind Speed in Coleraine

The chart displays monthly wind speed patterns in Coleraine, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.810.57.55.96.25.73.84.5 m/s5.57.79.38.3
Data source: Coleraine August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Coleraine Compares to Other Months

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

In comparing the weather between August and January, we can observe notable differences in temperature and precipitation patterns. August enjoys milder conditions, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 18°C (66°F), accompanied by higher precipitation at 146 mm (5.7 in) over 20 days, leading to a humid atmosphere at 86%. In contrast, January experiences cooler temperatures, averaging between 2°C (36°F) and 13°C (56°F), with less precipitation at 109 mm (4.3 in) across 17 days, while the humidity remains relatively high at 87%. For a detailed look at January weather in Coleraine, feel free to check this link: Coleraine weather in January.

In comparing August and February weather, we find distinct contrasts in temperature and precipitation patterns. August typically enjoys a milder climate, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 18°C (66°F), while February experiences chillier conditions, with temperatures spanning from 1°C (34°F) to 12°C (54°F). Although August has more rainfall at 146 mm (5.7 in) over 20 days, February is not far behind with 132 mm (5.2 in) over 18 days, both months experiencing similar humidity levels of 86%. For a closer look at February conditions, check out Coleraine weather in February.

When comparing the weather in August and March, a clear contrast emerges. August showcases milder temperatures, with a minimum of 11°C (52°F) and an average of 14°C (58°F), while March experiences a chillier range, dipping as low as -1°C (31°F) with an average of 7°C (45°F). Precipitation levels are also noteworthy; August has a higher total of 146 mm (5.7 in) spread over 20 days, compared to March's 112 mm (4.4 in) over 18 days. Interestingly, both months share the same humidity level of 86%, providing a sense of dampness regardless of the season. For detailed insights on March weather specifically, you can visit Coleraine weather in March.

When comparing the weather in April and August, it is clear that August is significantly warmer and wetter. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 18°C (66°F), while April sees cooler conditions with temperatures ranging from 2°C (36°F) to 13°C (56°F). Additionally, August experiences more precipitation, with 146 mm (5.7 in) falling over 20 days, compared to April's 55 mm (2.2 in) over just 12 days. Despite the increased rainfall, humidity levels remain relatively similar between the two months, with August at 86% and April at 85%. For detailed insights, you can visit Coleraine weather in April.

When comparing the weather in August to that of May, 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), with an average of 14°C (58°F). In contrast, May features cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 16°C (61°F), averaging only 10°C (50°F). Additionally, August experiences significantly higher precipitation, with 146 mm (5.7 in) falling over 20 days, compared to May's 72 mm (2.9 in) over 13 days. Humidity levels are also slightly higher in August at 86%, compared to 82% in May. For a closer look at May's weather patterns, you can visit Coleraine weather in May.

When comparing the weather in August to June, August typically experiences slightly warmer temperatures, with a minimum of 11°C (52°F) and an average of 14°C (58°F), compared to June's minimum of 8°C (47°F) and an average of 12°C (54°F). Additionally, August sees a higher maximum temperature of 18°C (66°F), while June peaks at 17°C (62°F). Precipitation is also greater in August, with 146 mm (5.7 in) over 20 days, compared to June's 105 mm (4.1 in) over 17 days. Humidity levels are quite similar, with August at 86% and June slightly lower at 84%. For more details on June weather, you can check Coleraine weather in June.

When comparing the weather in August and July, we see some notable differences. August has a similar minimum temperature of 11°C (52°F) but slightly cooler average and maximum temperatures, with averages around 14°C (58°F) and a maximum of 18°C (66°F). In contrast, July boasts a maximum temperature of 19°C (67°F), making it slightly warmer overall despite having the same minimum. Precipitation is higher in August, with 146 mm (5.7 in) over 20 days compared to July's 110 mm (4.3 in) over 17 days. Both months experience high humidity levels at 86%, contributing to the overall damp feel of the season. For more detailed weather insights, visit Coleraine weather in July.

In comparing the weather between August and September, we observe that both months maintain similar average temperatures, with August having a slightly higher range (min 11°C to max 18°C) compared to September's range (min 9°C to max 17°C). Precipitation levels are also noteworthy; August experiences more rainfall with 146 mm over 20 days, while September sees a decrease to 117 mm, although both months have the same number of rainy days. Additionally, September presents a marginally higher humidity at 88% compared to August's 86%. For a detailed look at September weather in Coleraine, check out Coleraine weather in September.

August typically offers warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 18°C (66°F), while October sees cooler temperatures ranging from a minimum of 5°C (42°F) to a maximum of 16°C (62°F). However, October experiences slightly more precipitation, averaging 161 mm (6.3 in) over 24 days, compared to August's 146 mm (5.7 in) over 20 days. The humidity levels are also higher in October at 89%, compared to 86% in August. For a detailed overview of October weather conditions, you can visit Coleraine weather in October.

August and November showcase notable differences in weather patterns. In August, the 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 sees considerable rainfall, with 146 mm (5.7 in) of precipitation occurring over 20 days, accompanied by high humidity at 86%. In contrast, November experiences cooler conditions, with temperatures dipping to a minimum of 4°C (40°F) and an average temperature of 9°C (49°F), peaking at 14°C (58°F). Precipitation is slightly higher at 156 mm (6.2 in) over 23 days, and humidity rises to 90%. For further details, you can explore Coleraine weather in November.

August and December present contrasting weather patterns, despite having similar humidity levels of 86%. 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). However, December sees cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 12°C (54°F), averaging only 8°C (46°F). Additionally, August experiences 146 mm (5.7 in) of precipitation over 20 days, while December has a slightly higher rainfall of 166 mm (6.5 in) over 23 days. For more details about December weather, you can visit Coleraine weather in December.

Compare Coleraine's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Coleraine

August in Coleraine brings a distinctive charm with its mild temperatures and consistent humidity, creating a unique summer atmosphere. While the month averages a comfortable 14°C, it experiences a fair share of rainy days, contributing to a lush and vibrant landscape. This blend of warmth and precipitation sets it apart from other months, offering a transitional feel as summer gives way to the approaching autumn. The frequent showers, with over 146 mm of rain falling throughout the month, keep the environment refreshingly green but may encourage visitors to pack an umbrella. For a detailed look at Coleraine's overall weather patterns, check out Coleraine Climate.