August Weather in Wilmington, United States

Last updated: February 24, 2025

August in Wilmington, United States, brings a warm and humid climate, with temperatures regularly peaking at a maximum of 34°C (94°F) and averaging around 26°C (80°F). Nights offer a cooler reprieve, dipping to a minimum of 17°C (63°F). The month is characterized by significant rainfall, totaling 209 mm (8.2 in) across 22 days, contributing to the city's lush landscapes. With humidity levels soaring to 80%, residents and visitors alike should prepare for tropical conditions, making for a vibrant summer atmosphere infused with the scent of rain-soaked earth and lush vegetation.

August Temperature in Wilmington

In August, Wilmington enjoys warm and inviting temperatures, with a minimum of 17°C (63°F) and average highs reaching 26°C (80°F). The mercury can soar to a sizzling 34°C (94°F), making this the peak of summer bliss in the region. This month marks a noticeable rise from earlier in the season, as July's averages are similarly high, yet slightly cooler. The consistent warmth emphasizes a gradual transition from the mild temperatures of spring, enabling residents and visitors to revel in outdoor activities and vibrant summer events. With such inviting weather, August is truly a time of vitality and energy in Wilmington.

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

The chart illustrates August temperature patterns in Wilmington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec485356647277808076695652
Data source: Temperature data for Wilmington 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 Wilmington

August in Wilmington marks a peak in precipitation, with 209 mm (8.2 in) of rain typically falling over 22 days—the highest monthly total of the year. This trend of increased rainfall comes on the heels of a notably wet July, suggesting a pattern of late summer storms that contribute to the region's humid climate. Following August, precipitation slightly tapers off in September, indicating a potential shift toward drier conditions as autumn sets in. The significant rainfall during this month not only enriches the local flora but also sets the stage for vibrant landscapes in the months to come, underscoring Wilmington's dynamic weather patterns.

August Precipitation Trends in Wilmington

The chart displays monthly precipitation patterns in Wilmington, 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.
JanFebMarAprMayJunJulAugSepOctNovDec69103739811215616920921567118127
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Wilmington

In Wilmington, the humidity in August hovers around 80%, reflecting a slight decline from the peak summer months. This figure is consistent with the trends seen in late spring and early summer, where levels maintain around 81%. Interestingly, as the year progresses from June and July into August, humidity remains relatively stable, only dipping marginally before the onset of fall. By September, the trend continues downward, reaching 79%, suggesting that residents can expect a gradual decrease in moisture levels as the climate shifts toward the cooler months. Overall, Wilmington's August humidity exemplifies the seasonal rhythm, creating a warm yet comfortable atmosphere typical of coastal summers.

August Average Humidity in Wilmington

This chart illustrates the average monthly humidity levels in Wilmington, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%81%80%81%81%81%80%79%80%86%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Wilmington

In August, Wilmington experiences a UV Index of 10, placing it in the very high exposure category. This marks a slight decrease from the peak UV Index of 11 seen in the preceding months of June and July, which are categorized as extreme. With a burn time of just 15 minutes, it remains essential for residents and visitors to take precautions against potential skin damage. As summer wanes, the UV Index begins to decline, with September's reading expected at 9, and October at 8, signaling a transition to more moderate levels of sun exposure. For more detailed information on UV levels throughout the year, visit Wilmington UV Index.

Maximum UV Index Levels in Wilmington for August

The chart shows the monthly maximum UV Index (UVI) for Wilmington 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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109864
Data source: Wilmington 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 Wilmington

August in Wilmington shines with approximately 319 hours of sunshine, showcasing a slight dip from July's peak of 337 hours but still promising abundant bright days. As summer begins to wane, the sunshine hours maintain a robust presence, thanks to a consistent upward trajectory from the grayness of winter, where January only claimed 180 hours. The transition through the months reveals a clear upward trend from the dreary depths of winter to the sun-drenched heights of summer. By August, Wilmington's sun-drenched days perfectly capture the essence of summer's lingering warmth, wrapping up the vibrant season before the gradual decrease that accompanies the fall months.

Monthly Sunshine Duration in Wilmington: August Highlighted

The August sunshine duration represents the total number of hours Wilmington 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.
JanFebMarAprMayJunJulAugSepOctNovDec180h203h271h306h332h317h337h319h298h293h241h210h
Data source: Wilmington August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wilmington During August

In Wilmington, the prospect of sunny weather in August comes in at a moderate 37%, indicating a notably lower chance of sunshine compared to the warmer months of April and September, which see 60% and 55% chances, respectively. This trend of fluctuating sunshine suggests a shift in weather patterns as summer progresses, with June's 29% being the lowest, followed by July at 41%. As the sweltering heat of mid-summer gives way to early autumn, residents can look forward to a gradual increase in sunlit days as they move into September. Overall, while August may not be the sunniest month, Wilmington still boasts a dynamic interplay of weather that keeps its residents on their toes.

Percentage of Sunny Days in August in Wilmington

The chart illustrates the percentage of sunny days in Wilmington 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 Wilmington experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%35%35%60%47%29%41%37%55%47%60%48%
Data source: Wilmington August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wilmington in August

As August rolls in, Wilmington enjoys a delightful 13 hours of daylight, maintaining a vibrant summer glow, though slightly tapering from the peak of the previous month. The trend reveals a gradual increase in sunlight from January through June, reaching its zenith in July with 14 hours. By August, the day length begins to wane, setting the stage for the forthcoming transition into fall. Despite the slight decrease, the ample daylight hours continue to encourage outdoor activities, making the summer evenings feel longer and more enjoyable. As the calendar turns toward September, Wilmington will experience a further reduction, reminding us that the days, while still bright, are beginning to shift toward autumn's embrace.

Average Daylight Hours in Wilmington for August

The chart illustrates the variation in daylight duration in Wilmington throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 8m10h 57m11h 59m13h 3m13h 57m14h 23m14h 9m13h 21m12h 20m11h 16m10h 21m9h 53m
Data source: Wilmington daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Wilmington

In Wilmington, August marks a notable shift in wind patterns, with average wind speeds dipping to a gentle 2.5 m/s (6 mph)—the lowest of the year. This tranquil breeze sets the tone for the late summer months, contrasting with the stronger gusts earlier in the season. As temperatures rise further in July, wind speeds begin to wane, reflecting a more calm and serene atmosphere that defines the late summer landscape. Interestingly, this decrease continues into September, where average speeds increase slightly to 2.9 m/s (6 mph), creating an inviting environment perfect for leisurely outdoor activities. Overall, Wilmington's August winds epitomize a lull before the seasonal transitions, offering a peaceful respite for residents and visitors alike.

Average August Wind Speed in Wilmington

The chart displays monthly wind speed patterns in Wilmington, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.83.93.73.53.43.12.5 m/s2.93.33.63.5
Data source: Wilmington August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Wilmington Compares to Other Months

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

August and January present stark contrasts in weather. In August, temperatures typically range from a minimum of 17°C (63°F) to a scorching maximum of 34°C (94°F), averaging around 26°C (80°F). This summer month also experiences significant rainfall, with about 209 mm (8.2 in) over 22 days, accompanied by high humidity at 80%. Conversely, January brings a chilly atmosphere with temperatures dropping to a minimum of -9°C (16°F) and peaking at 25°C (76°F), averaging at 9°C (48°F). The winter month is much drier, featuring only 69 mm (2.7 in) of precipitation over 9 days and slightly higher humidity at 85%. For more insights on winter weather, check out Wilmington weather in January.

August and February present quite contrasting weather conditions. In August, temperatures soar with a minimum of 17°C (63°F) and an average high of 34°C (94°F), accompanied by significant humidity at 80%. Rainfall is also abundant, with 209 mm (8.2 in) over approximately 22 days. In stark contrast, February experiences much cooler temperatures, ranging from a chilly minimum of -4°C (25°F) to a maximum of 25°C (77°F), and an average of 12°C (53°F). This month sees less precipitation, totaling 103 mm (4.1 in) across just 10 days, while humidity remains relatively high at 82%. For a closer look at February's climate, check out Wilmington weather in February.

In comparing the weather of August and March, it's clear that August is significantly warmer, with average temperatures around 26°C (80°F) and highs reaching up to 34°C (94°F). In contrast, March has much cooler temperatures, with an average of 13°C (56°F) and a maximum of 28°C (82°F). Moreover, August experiences higher precipitation levels, totaling 209 mm (8.2 in) over 22 days, while March sees only 73 mm (2.9 in) across 9 days. Humidity levels are similar between the two months, with August at 80% and March slightly higher at 81%. For a more detailed look at March weather, you can visit Wilmington weather in March.

When comparing the weather in August and April, it's evident that August is significantly warmer and wetter. August boasts average temperatures around 26°C (80°F) with maximums reaching up to 34°C (94°F), while April's average temperature is around 18°C (64°F), peaking at 29°C (84°F). Additionally, August experiences much higher precipitation levels, with 209 mm (8.2 in) of rain over 22 days, compared to April's 97 mm (3.8 in) over just 9 days. Both months share similar humidity levels at 80%, but the more intense heat and rainfall in August create a distinct contrast to the milder, more temperate conditions in April. For more information, you can check Wilmington weather in April.

The weather in August is notably warmer than in May, with average temperatures around 26°C (80°F) compared to May's 22°C (72°F). August experiences a higher maximum temperature of 34°C (94°F) and a minimum of 17°C (63°F), while May's temperatures can reach up to 36°C (96°F) but typically start from a cooler 7°C (44°F). Precipitation is more frequent in August, with 209 mm (8.2 in) over 22 days, compared to May's 112 mm (4.4 in) over just 10 days. Both months have high humidity levels, with August at 80% and May slightly higher at 81%. For more detailed insights, check out Wilmington weather in May.

When comparing the weather in June and August, both months exhibit warm temperatures, but August tends to be slightly hotter with an average of 26°C (80°F) compared to June's 25°C (77°F). Notably, while both months can reach a maximum of 34°C (93-94°F), June has a lower minimum temperature of 12°C (55°F) compared to August's 17°C (63°F). Precipitation levels are higher in August with 209 mm (8.2 in) occurring over 22 days, whereas June sees 156 mm (6.1 in) over 18 days, resulting in a wetter month overall in August. Humidity remains relatively high in both months, with August at 80% and June at 81%. For a detailed look at June's weather, you can refer to Wilmington weather in June.

When comparing the weather between July and August, both months exhibit warm temperatures, but August tends to be slightly hotter on average. In July, temperatures range from a minimum of 17°C (63°F) to a maximum of 33°C (92°F) with an average of 27°C (80°F). In contrast, August boasts a similar minimum temperature of 17°C (63°F), but the average rises to 26°C (80°F), peaking at 34°C (94°F). Additionally, August sees more precipitation at 209 mm (8.2 in) over 22 days, compared to July's 169 mm (6.6 in) over 18 days. Humidity levels are comparable, remaining high at around 80% in August and slightly higher at 81% in July. For more details, you can explore Wilmington weather in July.

In August, temperatures typically range from a minimum of 17°C (63°F) to a maximum of 34°C (94°F), with an average temperature of 26°C (80°F). The month sees significant rainfall, averaging 209 mm (8.2 in) over 22 days, and humidity remains high at around 80%. In contrast, September experiences slightly cooler temperatures, with a minimum of 11°C (52°F) and an average of 25°C (76°F), while still reaching a maximum of 34°C (93°F). Precipitation increases slightly to 215 mm (8.5 in), but the rain falls over only 13 days, resulting in a marginally lower humidity of 79%. To learn more about specific weather patterns during this time, check out Wilmington weather in September.

August and October present a striking contrast in weather conditions. In August, temperatures soar with a minimum of 17°C (63°F) and an average of 26°C (80°F), reaching a peak of 34°C (94°F), accompanied by high humidity levels of 80%. Additionally, the month is characterized by significant rainfall, with 209 mm (8.2 in) falling over 22 days. In contrast, October offers cooler temperatures, starting at a minimum of 5°C (41°F) and averaging 21°C (69°F), while still allowing for warm peaks of up to 33°C (92°F). Precipitation drops markedly to 67 mm (2.6 in) across just 9 days, maintaining the same humidity level of 80%. For more detailed information, you can check Wilmington weather in October.

August and November present stark contrasts in weather. August typically experiences warm temperatures, with an average of 26°C (80°F) and highs reaching up to 34°C (94°F). This month sees considerable rainfall, accumulating 209 mm (8.2 in) over 22 days, coupled with high humidity around 80%. In contrast, November offers much cooler temperatures, with an average of 13°C (57°F) and lows dipping to -2°C (28°F). Precipitation decreases to 118 mm (4.6 in), occurring over just 10 days, while humidity remains relatively high at 85%. For more details on the weather specific to this month, check out Wilmington weather in November.

August and December present stark contrasts in weather conditions. In August, the temperatures range from a minimum of 17°C (63°F) to a sweltering maximum of 34°C (94°F), characterized by high humidity levels around 80% and significant rainfall totaling 209 mm (8.2 in) over approximately 22 days. Conversely, December experiences much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 24°C (75°F), averaging just 11°C (52°F). While precipitation is lower at 127 mm (5.0 in) over 10 days, the humidity still remains high at 86%. For a more detailed look at December weather, you can visit Wilmington weather in December.

Compare Wilmington's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Wilmington

As August unfolds in Wilmington, it brings a warm embrace that sets it apart from the cooler months of the year. With an average temperature that rises significantly and humidity levels hovering around 80%, the heat is palpable, making for a sultry summer experience. However, it's also a month marked by frequent rainfall, with precipitation observed on many days, adding bursts of refreshing respite to the otherwise steamy days. While Wilmington enjoys mild temperatures in spring and fall, August’s blend of heat and moisture creates a unique atmosphere that defines the heart of summer. For a deeper understanding of Wilmington's weather patterns year-round, visit Wilmington Climate.