August Weather in Port Saint Mary, Isle of Man

Last updated: August 21, 2025

In August, Port Saint Mary on the Isle of Man experiences a mild maritime climate characterized by temperatures ranging from a maximum of 18°C (65°F) to a minimum of 12°C (54°F), resulting in an average of 15°C (59°F). While the summer month brings pleasant weather, it also sees rain with a total precipitation of 94 mm (3.7 in) spread over 15 days, yielding a humidity level of 79% that adds to the coastal ambience. Visitors can expect a mix of sun and showers, perfect for enjoying the area's stunning landscapes and rich maritime culture.

August Temperature in Port Saint Mary

In August, Port Saint Mary on the Isle of Man enjoys a pleasant temperate climate, making it one of the warmer months of the year. With minimum temperatures averaging around 12°C (54°F), and maximums reaching 18°C (65°F), visitors can expect a balmy summer feel that is perfect for outdoor activities. The average temperature sits at a comfortable 15°C (59°F), providing just the right ambiance for leisurely strolls along the coast or exploring local attractions. As the month transitions towards autumn, the temperatures begin to cool slightly, but the warmth of August often lingers, offering a charming end to the summer season.

August Weather in Port Saint Mary: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Port Saint Mary, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Saint Mary, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec464545475155585958555047
Data source: Temperature data for Port Saint Mary 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 Port Saint Mary

August in Port Saint Mary sees a notable increase in precipitation, with 94 mm (3.7 in) of rainfall spread across 15 days. This uptick reflects the transition from the relatively drier summer months of June and July, both averaging around 70 mm (2.8 in), to the wetter conditions that characterize the late summer and early autumn. As one of the wetter months, August foreshadows the even more substantial rainfall that typically arrives in October and November, where averages soar above 140 mm (5.5 in). This trend illustrates a clear pattern of increasing precipitation as the year winds down, making future months significantly rainier compared to the summer lull.

August Precipitation Trends in Port Saint Mary

The chart displays monthly precipitation patterns in Port Saint Mary, 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. In Port Saint Mary, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec8110687364470709492142144144
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Port Saint Mary

August in Port Saint Mary, Isle of Man, sees humidity levels stabilizing at 79%, marking a slight rise from the drier months of July. This pattern reflects a transitional phase as summer begins to wane, with humidity typically peaking in late autumn. Throughout the year, the region exhibits a gradual decline in humidity from a high of 89% in January to the lowest point of 78% in July, followed by a brief uptick as September approaches. The consistent humidity levels not only contribute to the lush landscapes but also create a temperate maritime climate that characterizes the Isle of Man. As autumn looms, locals can expect a return to the higher humidity levels that define the later months of the year.

August Average Humidity in Port Saint Mary

This chart illustrates the average monthly humidity levels in Port Saint Mary, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Port Saint Mary is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Port Saint Mary

In August, Port Saint Mary experiences a UV Index of 7, placing it in the high exposure category, with a burn time of approximately 25 minutes. This trend follows a summer pattern, where both June and July saw the same high UV levels. While the intensity slightly diminishes from the previous month’s peak, the risk remains significant, urging sunbathers to take precautions. As the year advances into the autumn months, the UV Index gradually declines, highlighting the dynamic nature of UV exposure throughout the seasons. For more detailed information about UV levels, visit Port Saint Mary UV Index.

Maximum UV Index Levels in Port Saint Mary for August

The chart shows the monthly maximum UV Index (UVI) for Port Saint Mary 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. In August, the maximum UV index in Port Saint Mary typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875321
Data source: Port Saint Mary 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 Port Saint Mary

August in Port Saint Mary, Isle of Man, offers a delightful continuation of summer's glow, boasting an impressive 376 hours of sunshine. Following the peak of July, which matched May’s sunny highs with 418 hours, August showcases a gentle decline while still basking in ample light, perfect for outdoor adventures and summer activities. This trend of decreasing sunlight carries into September, yet the rich warmth of late summer lingers, allowing visitors to savor extended evenings along the picturesque coastline. As the days shorten towards autumn, August stands out as a memorable month where the sun still reigns supreme, wrapping the Isle of Man in its golden embrace.

Monthly Sunshine Duration in Port Saint Mary: August Highlighted

The August sunshine duration represents the total number of hours Port Saint Mary 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.
JanFebMarAprMayJunJulAugSepOctNovDec90h161h233h341h418h411h418h376h314h244h131h104h
Data source: Port Saint Mary August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Saint Mary During August

In Port Saint Mary, Isle of Man, August offers a modest 29% chance of sunny weather, aligning closely with the summer pattern observed in previous months. While this percentage remains below the more promising conditions of April and the early summer months, it mirrors the 29% likelihood seen in June and presents a slight improvement over the drearier late summer months of September and October. This trend reflects a typical British summer, where warmth and sunlight are often elusive, but August still holds promise for those hoping to catch some rays. Enjoying sunny days in this coastal town is certainly a possibility, albeit with a touch of unpredictability.

Percentage of Sunny Days in August in Port Saint Mary

The chart illustrates the percentage of sunny days in Port Saint Mary 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 Port Saint Mary experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%26%25%52%40%29%40%29%24%22%22%21%
Data source: Port Saint Mary August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Saint Mary in August

In Port Saint Mary, Isle of Man, August presents a charming transition in daylight duration, boasting about 14 hours of daylight. This month marks a gentle decline from the sun-drenched heights of June, which enjoys a peak of 17 hours. Following the vibrant summer, daylight in August mirrors the warmth of early summer days and sets the stage for the upcoming autumn with shorter evenings. As the year progresses, daylight gradually wanes—dropping to 12 hours in September and further fading into the cooler months of October and November. This rhythmic ebb and flow of daylight not only highlights the seasonal changes but also invites residents to savor the lingering summer light before it gives way to the cozy shadows of fall.

Average Daylight Hours in Port Saint Mary for August

The chart illustrates the variation in daylight duration in Port Saint Mary throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h9h 46m11h 54m14h 5m16h 1m17h 2m16h 29m14h 45m12h 38m10h 28m8h 30m7h 26m
Data source: Port Saint Mary daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Port Saint Mary

In August, the winds in Port Saint Mary on the Isle of Man show a gentle but steady character, with an average speed of 5.7 m/s (13 mph). This slight uptick from the calm breezes of July, which averaged just 4.3 m/s (10 mph), marks a transition into the fall season. Interestingly, the spring and early summer months experienced higher wind speeds, peaking at 10.5 m/s (24 mph) in February before tapering off to their lowest in July. As we move towards September, the winds begin to pick up slightly again, hinting at a shift as autumn approaches. Overall, August stands out as a month of moderation, allowing residents and visitors alike to enjoy the warm summer days with just the right touch of refreshing breeze.

Average August Wind Speed in Port Saint Mary

The chart displays monthly wind speed patterns in Port Saint Mary, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.510.58.55.86.46.64.35.7 m/s6.09.39.39.1
Data source: Port Saint Mary August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Port Saint Mary Compares to Other Months

Weather in Port Saint Mary varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Port Saint Mary, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January present distinct contrasts in weather patterns. In August, temperatures range from a mild 12°C (54°F) to a maximum of 18°C (65°F), with an average of 15°C (59°F), making it one of the warmer months. The humidity stands at 79%, and the region experiences around 94 mm (3.7 in) of precipitation over about 15 days. In contrast, January is much cooler, with temperatures ranging from a low of 3°C (38°F) to a high of 13°C (56°F), averaging 8°C (46°F). The winter month sees slightly less precipitation at 81 mm (3.2 in) over 14 days, but the humidity is higher at 89%. For more detailed information, you can visit Port Saint Mary weather in January.

August and February present quite distinct weather profiles. August typically sees milder temperatures, with averages ranging from 12°C (54°F) to 18°C (65°F), while February is considerably cooler, with temperatures ranging from a chilly 1°C (34°F) to 12°C (54°F). Precipitation is relatively high in both months: August receives about 94 mm (3.7 in) over 15 days, while February experiences slightly more, with 106 mm (4.2 in) over 18 days. Additionally, February tends to be more humid, with an average humidity of 88% compared to August's 79%. For more information, you can check Port Saint Mary weather in February.

In comparing the weather between August and March, August presents a milder climate with average temperatures ranging from 12°C (54°F) to 18°C (65°F), accompanied by relatively high humidity at 79%. In contrast, March experiences cooler temperatures, with averages from -1°C (30°F) to a maximum of 11°C (52°F), and slightly higher precipitation over more days, totaling 87 mm (3.4 in) across 18 days with humidity peaking at 86%. This significant temperature difference and the patterns of precipitation highlight the distinct seasonal shifts. For more detailed information on March weather, you can visit Port Saint Mary weather in March.

When comparing the weather in August and April, a noticeable difference in temperatures and humidity levels emerges. August is significantly warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 18°C (65°F), while April sees cooler averages, peaking at 13°C (56°F) with a low of just 3°C (38°F). Additionally, August experiences more rainfall, totaling 94 mm (3.7 in) over about 15 days, compared to April’s 36 mm (1.4 in) across 8 days. Interestingly, while April has slightly higher humidity at 84%, August also displays a high humidity level at 79%. For more detailed insights into April's weather, you can check Port Saint Mary weather in April.

When comparing the weather in August and May, notable differences in temperature and precipitation come to the forefront. August tends to be warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 18°C (65°F), whereas May's temperatures are milder, peaking at 16°C (60°F) and starting from a minimum of just 5°C (42°F). In terms of precipitation, August experiences significantly more rainfall with 94 mm (3.7 in) over 15 days, compared to May's 44 mm (1.7 in) spread over 9 days. Despite both months sharing a humidity level of 79%, the comfort levels can feel quite different, with August often being more humid due to the increased rainfall. For a detailed look at May's weather, you can visit Port Saint Mary weather in May.

In comparing the weather of June and August, August generally offers slightly warmer temperatures, with minimums averaging 12°C (54°F) and maximums reaching 18°C (65°F), in contrast to June's minimum of 9°C (49°F) and maximum of 17°C (64°F). Additionally, August sees higher average precipitation at 94 mm (3.7 in) over 15 days, compared to June's 70 mm (2.8 in) across 11 days. Despite having marginally higher humidity in August at 79%, June remains close at 81%. For more detailed information, you can explore Port Saint Mary weather in June.

When comparing the weather between July and August, August tends to be slightly cooler with a lower average temperature of 15°C (59°F) compared to July's average of 14°C (58°F). Both months experience similar minimum temperatures, but July sees a marginally higher maximum temperature of 19°C (67°F) against August's 18°C (65°F). In terms of precipitation, August is notably wetter, receiving 94 mm (3.7 in) across 15 days, while July has less rainfall at 70 mm (2.8 in) over 12 days. Humidity levels remain comparable, with August at 79% and July slightly lower at 78%. For further details about July's weather, you can visit Port Saint Mary weather in July.

August and September present a noticeable transition in weather patterns. In August, temperatures range from a minimum of 12°C (54°F) to a maximum of 18°C (65°F), with an average of 15°C (59°F). The month sees a higher humidity level of 79% and experiences precipitation on 15 days, totaling 94 mm (3.7 in). In contrast, September brings slightly cooler temperatures, with a minimum of 10°C (51°F), an average of 14°C (58°F), and a maximum of 19°C (67°F). Although September has marginally less precipitation at 91 mm (3.6 in) across 14 days, humidity increases to 85%. For a detailed look at September weather, check out Port Saint Mary weather in September.

August typically offers milder temperatures, with a minimum of 12°C and an average of 15°C, peaking at 18°C. However, it also brings considerable rainfall, averaging 94 mm over about 15 days, alongside a humidity level of 79%. In contrast, October experiences a drop in temperature, with minimums around 7°C and an average of 13°C, while the maximum reaches 17°C. Precipitation increases to 142 mm over 18 days, and humidity rises to 90%. This shift signifies a transition into much wetter and cooler conditions as autumn takes hold. For a closer look at how October weather specifically affects Port Saint Mary, you can check Port Saint Mary weather in October.

August and November present quite different weather patterns. In August, temperatures range from a minimum of 12°C (54°F) to a maximum of 18°C (65°F), with an average temperature of 15°C (59°F). The month experiences moderate humidity at 79% and approximately 94 mm (3.7 in) of precipitation over 15 days. In contrast, November is cooler, with temperatures dipping to a minimum of 6°C (43°F) and a maximum of 14°C (58°F), averaging 10°C (51°F). This month sees increased rainfall, with a total of 143 mm (5.6 in) spread across 20 days and higher humidity levels at 91%. For a closer look at what to expect, visit Port Saint Mary weather in November.

In comparing the weather between August and December, there is a noticeable shift in temperatures and precipitation. August enjoys milder conditions with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 18°C (65°F), along with 94 mm (3.7 in) of rainfall spread across 15 days. Conversely, December is significantly cooler, with average temperatures dipping to 9°C (48°F) and a maximum of only 13°C (56°F). The precipitation also increases during December, totaling 144 mm (5.7 in) over 22 days, and the humidity rises to 89%. For more details on the weather specifics in December, check out Port Saint Mary weather in December.

Compare Port Saint Mary's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Port Saint Mary

As summer winds down, August in Port Saint Mary presents a transitional weather pattern, marked by milder temperatures and increased humidity. With an average temperature of around 15°C, it's cooler than the peak summer months, yet still inviting for outdoor activities. However, be prepared for occasional rain, as August sees about 15 days of precipitation, contributing to a total of 94 mm for the month. This combination of warmth and moisture creates a distinctive atmosphere, shaping the unique charm of this coastal town. For a deeper understanding of the area's weather trends throughout the year, visit Port Saint Mary Climate.