Last updated: February 24, 2025
August in Chapel Hill, United States, offers a warm and humid climate, with maximum temperatures reaching up to 36°C (97°F). The average lies comfortably at 26°C (78°F), while the nights provide a cooler respite with minimum temperatures around 15°C (59°F). This month is characterized by significant rainfall, totaling 128 mm (5.1 in) over approximately 15 days, contributing to an overall humidity level of 80%. Visitors can expect a vibrant summer atmosphere, marked by occasional showers that nurture the lush greenery of the region.
In August, Chapel Hill experiences its peak summer warmth, with temperatures reflecting a delightful blend of heat and humidity. The month starts with minimum temperatures around 15°C (59°F), climbing to an average of 26°C (78°F), and peaking at a steamy 36°C (97°F). This trend marks a continuation of the rising temperatures from previous months, where July set the stage for the summer's intensity. As residents and visitors bask in the sun, the warmth is accompanied by the vibrant sights and sounds of the season. However, as August gives way to September, a subtle shift begins, hinting at the cooler months ahead, with average temperatures starting to drop, drawing to a close the sweltering summer chapter.
August in Chapel Hill experiences a notable increase in precipitation, with an average of 128 mm (5.1 in) spread over 15 days of rain. This makes it one of the wettest months of the year, mirroring September's rainfall totals but with an extra day of precipitation. The trend of rising rain levels continues from previous months, with June and July both contributing significantly to the summer rains. As temperatures soar, the additional moisture brings relief to the landscape, although it also heralds the peak of the rainy season. Overall, August serves as a pivotal month in Chapel Hill's weather pattern, showcasing the region's lush and often humid summer climate.
In August, Chapel Hill experiences a fairly consistent humidity level of 80%, which aligns closely with the trend seen throughout the summer months. The humidity remains stable at 81% from June to July, finally dipping slightly in August before gradually decreasing to 79% in September. This subtle decline in humidity as summer transitions into fall marks the beginning of a more comfortable season, yet the lingering warmth keeps the air feeling slightly moist. Overall, Chapel Hill's humidity patterns reveal a gradual ebb and flow, with higher levels persisting in the colder months, peaking at 86% in December. This reflects the region's humid subtropical climate, ensuring that residents can expect a mix of warmth and wetness throughout the year.
In August, Chapel Hill experiences a very high UV Index of 10, indicating that sun exposure can be harmful and protection is essential. This month marks a slight decline from the peak extreme levels recorded during the summer, but with a burn time of just 15 minutes, it's crucial to stay vigilant against the sun's rays. As we transition from the height of summer, the downtrend in UV Index values from July's peak reinforces the need for awareness, yet reminds us that caution is still vital. For those enjoying outdoor activities, using sunscreen and protective clothing is key. To learn more about UV levels in Chapel Hill throughout the year, check out Chapel Hill UV Index.
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In August, Chapel Hill basks in the glow of 321 hours of sunshine, marking a slight decline from the previous month’s peak. This summer month maintains a remarkable brightness, just shy of July's impressive 352 hours. As the year progresses, one can observe a clear upward trend in sunshine hours from January through July, with the sunniest days almost reaching the heights of early autumn. Interestingly, while August remains vibrant, it hints at the approaching shift of seasons, as sunshine hours gradually taper off into September's 289 hours. The overall pattern paints a delightful picture of Chapel Hill’s summer, highlighting its warm embrace of sunlight before welcoming the cooler tones of fall.
In Chapel Hill, August emerges as a month of moderate sunny prospects, boasting a 51% chance of sunshine. This marks a notable increase from the more overcast summer months of June and July, which see probabilities at 34% and 45%, respectively. As we transition from the sweltering heat of July to the cooler hints of September, the likelihood of sun rises slightly, suggesting that August offers a balanced mix of warm days and beneficial cloud cover. Following a dip in May's 38% chance, the summer's peak shines through, providing residents and visitors with ample opportunities to enjoy the outdoors before the autumn months bring a surge in sunny weather in November at 63%.
In Chapel Hill, United States, the daylight duration in August reflects a gradual shift toward shorter days as summer winds down. With approximately 13 hours of sunlight, August enjoys just a slight decrease from the peak of 14 hours seen in the preceding summer months of June and July. This abundance of daylight sets the stage for late-summer activities, allowing residents to enjoy the warm evenings. As the month progresses into September, daylight diminishes further, marking the transition into the cooler, shorter days of fall. The pattern is clear: as the year advances, daylight hours steadily decline, underscoring the rhythmic beauty of the changing seasons.
As August rolls into Chapel Hill, a gentle shift in the breeze is palpable, with average wind speeds dipping to 2.0 m/s (5 mph)—the lowest of the year. This softening of the winds follows a gradual trend seen throughout the summer months, which witnessed a decline in speed from May’s 2.6 m/s (6 mph) to July’s 2.5 m/s (6 mph). The waning winds in August often herald the transition from summer heat, creating a more serene atmosphere in the charming town. Looking ahead, September brings a slight uptick to 2.4 m/s (5 mph), indicating the creeping arrival of autumnal breezes, yet the lingering warmth of August often invites residents to savor the last whispers of summer under the shade of the beloved Southern oaks.
The weather in Chapel Hill 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 Chapel Hill and find detailed weather information for every month.
August and January present a stark contrast in weather conditions. In August, temperatures soar with a minimum of 15°C (59°F) and an average of 26°C (78°F), reaching highs of 36°C (97°F), accompanied by high humidity levels of 80%. Precipitation is relatively high, with 128 mm (5.1 in) occurring over 15 days. In contrast, January features a much colder climate, with temperatures ranging from a minimum of -15°C (6°F) to an average of 6°C (43°F), and a maximum of 25°C (77°F). The month experiences lower precipitation at 89 mm (3.5 in) over just 9 days and a slightly higher humidity of 85%. For more detailed information about January conditions, check out Chapel Hill weather in January.
August and February present stark contrasts in weather patterns. In August, temperatures are warm, with a minimum of 15°C (59°F) and an average of 26°C (78°F), peaking at a sweltering 36°C (97°F). The month is characterized by high humidity at 80% and considerable rainfall, averaging 128 mm (5.1 inches) over 15 days. Conversely, February brings a chillier environment with temperatures ranging from a minimum of -6°C (21°F) to an average of 9°C (48°F), and a maximum of 27°C (81°F). Precipitation is slightly lower at 117 mm (4.6 inches) over 11 days, accompanied by humidity at 82%. For more detailed insights, you can explore Chapel Hill weather in February.
In comparing the weather of August and March, notable differences emerge. August experiences much warmer temperatures, with a minimum of 15°C (59°F) and an average of 26°C (78°F), reaching a maximum of 36°C (97°F). In contrast, March has a chillier climate, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 31°C (88°F) and an average of just 11°C (53°F). Additionally, August sees more precipitation, averaging 128 mm (5.1 in) over about 15 days, while March has less rainfall at 84 mm (3.3 in) spread across around 10 days. Despite their differences, both months maintain a similar level of humidity, around 80% in August and 81% in March. For more details, you can check Chapel Hill weather in March.
When comparing the weather in August and April, notable differences emerge. August tends to be much warmer, with minimum temperatures around 15°C (59°F) and maximums reaching up to 36°C (97°F), leading to an average temperature of 26°C (78°F). In contrast, April is cooler, featuring a minimum temperature of -1°C (31°F) and maximum temperatures of 31°C (88°F), with an average of 16°C (62°F). Precipitation is fairly similar, with August receiving 128 mm (5.1 in) over about 15 days, while April sees slightly less at 116 mm (4.6 in) across 10 days. Both months share a humidity level of 80%, making for a consistently humid climate. For more details, visit Chapel Hill weather in April.
When comparing the weather in August and May, we see distinct differences in temperature and precipitation. August features a minimum temperature of 15°C (59°F) and an average high of 26°C (78°F), while May has a cooler minimum of 4°C (39°F) and a similar maximum high of 36°C (97°F). In terms of precipitation, August sees 128 mm (5.1 in) across 15 days, slightly wetter than May, which experiences 118 mm (4.6 in) over 11 days. Interestingly, the humidity levels remain quite similar, with August at 80% and May at 81%. For those interested in more details, you can check Chapel Hill weather in May.
August and June offer somewhat similar weather patterns, though there are notable differences. Both months can experience high temperatures, peaking at around 36°C (97°F), but August tends to be slightly warmer overall with an average temperature of 26°C (78°F) compared to June's 24°C (76°F). Precipitation levels are comparable, with August receiving 128 mm (5.1 in) over 15 days and June slightly less at 121 mm (4.8 in) over 13 days. Humidity remains high in both months, with August at 80% and June at 81%, making the air feel particularly muggy. For a more detailed look at June’s weather patterns, check out Chapel Hill weather in June.
In comparing the weather of August and July, we find that both months experience warm temperatures, but August is slightly cooler on average, with a minimum of 15°C (59°F) and an average of 26°C (78°F), while July has a minimum of 16°C (61°F) and an average of 27°C (80°F). July also reaches a higher maximum temperature of 37°C (99°F) compared to August's 36°C (97°F). Precipitation is more abundant in August, with 128 mm (5.1 in) over 15 days, compared to July’s 114 mm (4.5 in) over 14 days. Humidity levels remain quite similar, with August at 80% and July at 81%. For more detailed information, you can visit Chapel Hill weather in July.
August experiences warmer temperatures, with an average of 26°C (78°F) and a maximum reaching 36°C (97°F), while September sees a slight decrease in warmth, averaging 23°C (74°F) and peaking at 35°C (96°F). Both months share the same total precipitation of 128 mm (5.1 in), but August has rain on 15 days compared to just 9 days in September. Humidity levels are relatively similar, with August at 80% and September slightly lower at 79%. For a more detailed look at September's climate, you can check Chapel Hill weather in September.
August and October present contrasting weather patterns despite the similar maximum temperatures. In August, the climate is typically warmer with an average of 26°C (78°F), while October sees a significant drop in the average temperature to 18°C (65°F). The minimum temperatures also reflect this shift, dropping from 15°C (59°F) in August to just 2°C (36°F) in October. Precipitation decreases in October to 97 mm (3.8 in) over 9 days, compared to 128 mm (5.1 in) over 15 days in August. Interestingly, both months share a consistent humidity level of 80%, making the air feel moist at the same level. For more detailed insights, check out Chapel Hill weather in October.
August and November present significantly different weather patterns. In August, temperatures typically range from a mild 15°C (59°F) to a scorching 36°C (97°F), with an average of 26°C (78°F). The month is characterized by high humidity at 80% and considerable precipitation totaling 128 mm (5.1 in) over 15 days. In contrast, November sees a much cooler climate, with temperatures ranging from a chilly -4°C (25°F) to a pleasant 29°C (84°F), averaging around 10°C (51°F). Precipitation decreases to 81 mm (3.2 in) spread across just 7 days, while humidity slightly rises to 85%. For more specific details on the weather patterns in November, you can check out Chapel Hill weather in November.
August and December present stark contrasts in weather. In August, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (97°F), with an average of 26°C (78°F) and high humidity at 80%. This month also sees substantial rainfall, averaging 128 mm (5.1 in) over 15 days. In contrast, December experiences colder temperatures, with a minimum of -7°C (19°F) and a maximum of 23°C (73°F), averaging only 8°C (46°F). Precipitation in December is somewhat lower, at 107 mm (4.2 in), occurring over just 9 days, and the humidity slightly increases to 86%. For more detailed information on December weather, visit Chapel Hill weather in December.
As August rolls into Chapel Hill, it brings a notable shift in weather patterns compared to the previous summer months. With average temperatures soaring to a warm 26°C (78°F), the heat peaks at a sweltering 36°C (97°F), inviting outdoor adventures despite the high humidity level of 80% that can make the heat feel even more intense. Additionally, expect to see more frequent rain this month, with around 15 days experiencing precipitation totaling approximately 128 mm (5.1 in). This combination of warmth and rain creates a humid atmosphere, marking August as a distinctly vibrant yet challenging period in the Chapel Hill climate journey. For more insights on weather trends, check out Chapel Hill Climate.