Last updated: February 24, 2025
Cahokia, United States, experiences a vibrant August climate, characterized by maximum temperatures reaching 36°C (96°F), while maintaining an average of 25°C (77°F) and dipping to a comfortable 12°C (55°F) at night. This month sees 131 mm (5.1 in) of precipitation spread over approximately 12 days, contributing to the region's lush landscapes. With humidity levels averaging around 80%, residents and visitors alike can expect a blend of warmth and occasional rain, making August a season of both heat and refreshment.
In August, Cahokia basks in warm, inviting temperatures, with average highs reaching 36°C (96°F). The month begins with minimum temperatures around 12°C (55°F), making it one of the more comfortable months before the cooler evenings. With an average temperature of 25°C (77°F), August is a peak summer month that signals the height of outdoor activities and vibrant community events. As the month progresses, the lingering heat starts to transition into the milder conditions of early autumn, yet the warmth continues to dominate, creating a perfect backdrop for enjoying the rich cultural tapestry of the region. This gradual shift in temperatures is a gentle reminder of the changing seasons, as the lush summer gradually yields to the crisp air of September, but for now, August remains a time to revel in the warmth.
August in Cahokia brings a notable shift in precipitation, delivering 131 mm (5.1 in) of rainfall over approximately 12 days. This upswing in moisture follows a drier summer, as July’s totals dipped to 92 mm (3.6 in) with only 10 rainy days. The increase in August precipitation signals a transition towards the wetter months ahead, with August's rainfall aligning closely with the spring months of April and May, which also saw significant totals of 135 mm (5.3 in) and 146 mm (5.7 in), respectively. This pattern underscores a late-summer flourish of rain that invigorates the landscape, setting the stage for the impending fall season. Overall, the trend points towards a period of heightened moisture that is crucial for sustaining the region's lush growth as summer begins to wane.
In August, humidity in Cahokia, United States holds steady at 80%, reflecting a slight dip from the peak levels of June and July. This period of summer sees humidity levels that are consistent with the overall trend observed throughout the warmer months, where humidity tends to hover around the 80%-83% range. As the year progresses, humidity gradually decreases, reaching a low of 76% by September and October, before taking a notable upward turn again in the winter months. This cyclical pattern illustrates how Cahokia experiences a humid climate, especially in the summer, followed by a refreshing decline as fall approaches.
In August, Cahokia experiences a UV Index of 10, maintaining its status in the very high exposure category, which necessitates a burn time of just 15 minutes for unprotected skin. This trend of elevated UV levels continues from July, where the index also reached 10, emphasizing the significance of sun safety during late summer. As temperatures rise and outdoor activities become more popular, it’s crucial to remember that the UV Index tends to peak during these months, reinforcing the need for protection against harmful rays. As the season transitions into September, we can expect a slight decrease to a UV Index of 9, yet the emphasis on precaution remains vital. For more details on UV exposure throughout the year, check out Cahokia UV Index.
UV Risk Categories
In Cahokia, United States, August marks a pivotal moment in the annual cycle of sunshine, receiving 328 hours of radiant daylight. This figure mirrors the sun-soaked month of July, which boasts the year’s highest total at 349 hours. Following this summer peak, August's abundant sunlight begins to taper off, with September still enjoying a respectable 291 hours, yet signaling the onset of shorter days. The gradual decline in sunlight from the summer months to autumn highlights the transition towards cooler temperatures, as hours decrease steadily from May's lush 289 hours through to October's 242 hours. This pattern not only showcases the area's warm summer allure but also sets the stage for the cozy warmth of fall that follows.
In Cahokia, the likelihood of sunny weather reaches its peak in late summer, particularly in July with a 51% chance, before dipping slightly to 47% in August. This trend suggests that while August holds a solid promise of sunshine, it transitions into a more favorable period for sun-chasing in the following month, September, when the chances soar to 64%. Overall, as the year progresses from the dreary depths of winter into the warmth of summer, residents can expect an upward trajectory in sunny days, with August being a delightful bridge month before the sun shines even brighter in early autumn.
In Cahokia, United States, August marks a turning point as daylight begins its gradual decline from the summer peak. With approximately 13 hours of sunlight, it follows the sun-drenched months of June and July, which bask in a full 14 hours. As the summer warmth lingers, the decrease in daylight serves as a gentle reminder that autumn is approaching. This subtle change sets the stage for September, which will witness a further reduction to 12 hours. Thus, August encapsulates the transition from the vibrant, sun-soaked days of summer to the softer light of fall, beautifully reflecting the rhythm of the seasons.
In Cahokia, United States, August brings a subtle shift in the wind, with an average speed of 2.3 m/s (5 mph). This period marks a continued decline in wind strength that began in July, which featured the year's lowest gusts. As summer wanes, the calming breezes of August offer a stark contrast to the more dynamic currents felt earlier in the year, notably in the spring months when winds were consistently above 3 m/s. Despite the gentle whispers of August, winds pick up again by September, hinting at the seasonal transition. This trend showcases how the summer heat influences air movement, with Cahokia’s breezes becoming softer as temperatures peak before the arrival of autumn’s refreshing gusts.
The weather in Cahokia 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 Cahokia and find detailed weather information for every month.
August and January present a stark contrast in weather conditions. In August, temperatures range from a mild 12°C (55°F) overnight to a sweltering maximum of 36°C (96°F), accompanied by high humidity levels of 80% and significant rainfall totaling 131 mm (5.1 in) over about 12 days. In contrast, January brings frigid temperatures that plunge as low as -21°C (-5°F), with an average around 0°C (33°F) and a maximum of 20°C (68°F). The month is considerably drier, with only 79 mm (3.1 in) of precipitation over 8 days, and humidity remains slightly elevated at 82%. This seasonal shift highlights the dramatic temperature differences and changing weather patterns between the peak of summer and the depth of winter. For a detailed look at January weather in Cahokia, you can visit Cahokia weather in January.
August and February present stark contrasts in weather patterns. In August, temperatures soar with a minimum of 12°C (55°F), an average of 25°C (77°F), and a peak of 36°C (96°F), accompanied by high humidity at 80% and frequent precipitation over 12 days totaling 131 mm (5.1 in). In contrast, February sees much colder conditions, with temperatures ranging from a minimum of -19°C (-2°F) to a maximum of 25°C (77°F), and an average of just 2°C (36°F). The month experiences less precipitation, with 82 mm (3.2 in) falling over approximately 10 days, yet maintains the same high humidity of 80%. For a detailed look at February weather in this area, you can visit Cahokia weather in February.
August and March present stark contrasts in weather. In August, temperatures soar with a minimum of 12°C (55°F) and an average of 25°C (77°F), reaching a maximum of 36°C (96°F). This month also experiences considerable humidity at around 80%, with precipitation averaging 131 mm (5.1 inches) over about 12 days. In contrast, March is much cooler, featuring a minimum temperature of -16°C (3°F) and an average of 8°C (48°F), peaking at 28°C (82°F). Despite comparable precipitation levels at 134 mm (5.3 inches) and 12 wet days, the overall colder temperatures make March feel significantly different. For more detailed information, check out Cahokia weather in March.
When comparing the weather in August and April, notable differences emerge despite similarities in humidity levels, which both hover around 80%. August boasts significantly warmer average temperatures, ranging from a minimum of 12°C (55°F) to a maximum of 36°C (96°F), while April’s temperatures are much cooler, with a minimum of -4°C (25°F) and a maximum of 31°C (88°F). Precipitation is somewhat comparable, with August receiving 131 mm (5.1 in) over 12 days and April slightly higher at 135 mm (5.3 in) over just 11 days. For more detailed information about April weather, you can visit Cahokia weather in April.
August typically showcases warmer temperatures compared to May, with average highs reaching 36°C (96°F) and a minimum temperature of 12°C (55°F), while May's average temperatures range from a minimum of 4°C (40°F) to a maximum of 34°C (94°F). Despite the heat in August, both months experience significant precipitation, with August receiving 131 mm (5.1 in) over 12 days and May slightly higher at 146 mm (5.7 in) over 14 days. Humidity levels are quite similar, hovering around 80% in August and slightly higher at 82% in May. For a detailed look at May weather specifics, visit Cahokia weather in May.
In comparing the weather between August and June, we see that both months share similar average temperatures, hovering around 25°C (77°F), with maximum temperatures reaching up to 36°C (97°F) in June and slightly lower at 36°C (96°F) in August. However, August experiences more precipitation, totaling 131 mm (5.1 in) over 12 days, while June presents milder conditions with 94 mm (3.7 in) over 11 days. Humidity levels are comparable, with August at 80% and June slightly higher at 83%. For a more detailed look at June's weather patterns, visit Cahokia weather in June.
In comparing the weather between July and August, we see notable differences in temperature and precipitation patterns. August experiences slightly cooler minimum and average temperatures, with a minimum of 12°C (55°F) and an average of 25°C (77°F), compared to July, which has a minimum of 16°C (61°F) and an average of 27°C (80°F). Maximum temperatures in July can reach up to 38°C (102°F), while in August, the maximum is slightly lower at 36°C (96°F). In terms of precipitation, August is wetter with 131 mm (5.1 in) over 12 days, compared to July’s 92 mm (3.6 in) over 10 days. Humidity levels remain relatively consistent, with July at 81% and August at 80%. For a closer look at July's weather specifics, you can visit Cahokia weather in July.
August typically boasts warmer temperatures, with a minimum of 12°C (55°F) and an average high of 36°C (96°F). In contrast, September sees a slight drop in temperature, featuring a minimum of 7°C (46°F) and an average high of 35°C (95°F). While August is generally more humid at 80%, September experiences a slightly lower humidity level of 76%. In terms of rainfall, August is considerably wetter, with 131 mm (5.1 in) falling over 12 days, compared to September's 58 mm (2.3 in) over just 7 days. For more detailed weather insights, you can check Cahokia weather in September.
August and October weather displays a striking contrast. August typically boasts warmer temperatures, with a minimum of 12°C (55°F) and an average of 25°C (77°F), peaking at a scorching 36°C (96°F). The month is also characterized by high humidity at 80% and significant precipitation, averaging 131 mm (5.1 in) over 12 days. In contrast, October brings a noticeable drop in temperatures, featuring a minimum of -3°C (26°F) and an average of 15°C (60°F), with a maximum of 34°C (94°F). Precipitation decreases slightly, totaling 107 mm (4.2 in) across 11 days, and humidity remains lower at 76%. For more specific details about October weather, you can check Cahokia weather in October.
August and November present stark contrasts in weather conditions. August is characterized by warmer temperatures, with averages around 25°C (77°F) and maximums reaching as high as 36°C (96°F), accompanied by high humidity levels of 80%. In contrast, November experiences a significant drop in temperature, averaging just 7°C (45°F) with minimums plunging to -12°C (10°F). Although November sees less precipitation than August, with 75 mm (3.0 in) over 9 days, humidity remains relatively high at 85%. For more specifics on November weather, you can check Cahokia weather in November.
August and December present stark contrasts in weather conditions. August features warm temperatures with a minimum of 12°C (55°F) and an average peak of 25°C (77°F), reaching up to a sweltering 36°C (96°F). This month also sees significant rainfall, totaling 131 mm (5.1 in) over 12 days, accompanied by high humidity at 80%. In contrast, December brings much colder weather, with temperatures dipping to a low of -16°C (3°F) and averaging around 4°C (40°F). The maximum temperature is much milder at 23°C (74°F), reflecting the seasonal shift. Rainfall is less frequent, with only 64 mm (2.5 in) accumulated over 7 days, while humidity remains relatively high at 86%. For more details on the December climate, you can check Cahokia weather in December.
As summer reaches its peak in August, Cahokia's weather transforms into a blend of warm days and humid nights. The maximum temperatures soar, offering a stark contrast to the milder conditions experienced in the spring and early summer months. While sunny skies dominate, the region also encounters a notable increase in rainfall, with several days of precipitation that refresh both the landscape and its inhabitants. This combination of warmth and frequent rain fosters a uniquely vibrant atmosphere, making August a time of lush growth and dynamic weather patterns. For a deeper dive into the seasonal changes in this area, explore Cahokia Climate.