Last updated: February 24, 2025
July in Charleston, United States presents a warm and humid climate, with maximum temperatures soaring to 34°C (94°F) and an average of 28°C (82°F). The evenings bring a slight relief, cooling down to a comfortable 20°C (69°F). However, expect a wet month, as precipitation totals 187 mm (7.4 in) across 20 rainy days, resulting in a humidity level averaging a sticky 80%. Adventure seekers and locals alike will appreciate the vibrant summer atmosphere, but should be prepared for sudden showers amid the sultry heat.
In July, temperatures in Charleston are at their peak, offering a tropical experience typical of the Southern summer. The month sees a minimum temperature of 20°C (69°F), setting the stage for warm evenings. With an average of 28°C (82°F), residents and visitors enjoy long, sunny days perfect for outdoor activities. The maximum temperature reaches 34°C (94°F), making it one of the hottest months of the year. This upward trend from June's warm climate suggests a steady rise, inviting locals to savor the vibrant atmosphere and rich cultural landscape that thrive under the blazing summer sun. The heat is a hallmark of Charleston's charm, drawing people to its historic streets and bustling waterfronts.
In July, Charleston experiences a significant surge in precipitation, with 187 mm (7.4 in) of rain falling over 20 days. This marks the peak of the wet season, building on June's already substantial total. As summer reaches its zenith, July stands out not only for the volume of rain but also for the frequency of rainy days, contributing to lush, vibrant landscapes. The pattern of increasing rainfall from early in the year to midsummer highlights a clear trend towards more humid and stormy conditions, making July a critical month for both the local ecosystem and weather patterns in the region. This lushness, however, also means that residents and visitors should be prepared for frequent downpours amidst the warm summer days.
In Charleston, United States, the month of July witnesses a slight rise in humidity, reaching 80%. This marks a notable shift from the more moderate levels observed in May and June, both at 75%. The trend shows humidity levels gradually increasing as the year progresses, with January peaking at a significant 86%. As the summer heat intensifies, humidity fluctuates, peaking again in the fall with levels rising to 83% in September. Interestingly, July's humidity is relatively stable compared to August, which boosts to 81%, suggesting a consistent summer pattern where moisture in the air becomes a defining characteristic of the region. Overall, Charleston's July climate reflects the transition into the sultry Southern summer, offering a lively atmosphere infused with warmth and humidity.
In July, Charleston experiences an extreme UV Index of 11, mirroring the soaring levels seen in both May and June. With a burn time of just 10 minutes, this period emphasizes the importance of sun protection. As the summer peaks, the persistent trend of high UV levels showcases a pressing need to stay vigilant against the sun's powerful rays. Following July, the UV Index begins to gradually decline in August, signaling a possible respite for sun-seekers. For more detailed insights on Charleston's UV Index throughout the year, visit Charleston UV Index.
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In July, Charleston basks in a splendid 341 hours of sunshine, the peak of its luminous summer. This month stands out not just for its warmth but for a robust trend that sees daylight steadily increasing from the 186 hours in January to this dazzling summer highlight. This sunny progression embodies the essence of Charleston's climate, where longer days lead into vibrant evenings, creating an idyllic backdrop for outdoor activities and coastal adventures. Following July, sunshine begins to taper off slightly, with August still offering a commendable 314 hours, hinting at the lingering warmth before transitioning into the milder months ahead. The gradual decline is a beautiful reminder of nature's rhythm, as families and visitors alike revel in the golden glow of summer before autumn paints its own exquisite palette.
In Charleston, July typically offers a 34% chance of sunny weather, marking a slight dip from the sunnier months preceding it. As summer peaks, the likelihood of sunshine decreases from June's 29% and remains lower than the warmer months that follow, such as September's 51%. This trend showcases the coastal charm of Charleston, where the heat of July often brings humidity and potential rain. Interestingly, the city enjoys a notable resurgence in sunny days later in the year, with November boasting the highest chance of 62%. Thus, while July might not be the sunniest month, it reflects the shifting patterns of Charleston's climate as the year progresses.
In Charleston, United States, the month of July shines brightly with 14 hours of daylight, marking the pinnacle of summer's generous sunlit days. This extended daylight reflects a clear trend as the year progresses from the 10 hours in January to the peak in July, illuminating how the days lengthen dramatically as spring gives way to summer. Following July, daylight gradually begins to recede, dropping to 13 hours in August and then to 12 hours in September, as summer transitions into fall. This beautiful cycle of daylight not only enhances outdoor activities and events but also showcases Charleston's seasonal rhythm, where warmth and light are embraced before giving way to the cozy comfort of autumn.
In July, Charleston experiences a gentle breeze, with an average wind speed of just 3.2 m/s (7 mph), marking a noticeable dip from the slightly brisker months preceding it. This reduction in wind velocity signals a shift towards the sultry summer heat, as June winds were at a moderate 3.7 m/s (8 mph). As the summer progresses into August, the trend continues, with winds slowing further to 2.8 m/s (6 mph), indicating a trend towards calmer days. Overall, July's lighter winds reflect the city's transition into the warmest part of the year, where the focus shifts from breezy comfort to a still, sultry atmosphere ideal for enjoying Charleston's vibrant summer life.
The weather in Charleston changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Charleston and find detailed weather information for every month.
July and January in Charleston present a stark contrast in weather. July typically sees warm temperatures, ranging from a minimum of 20°C (69°F) to an average of 28°C (82°F), peaking at 34°C (94°F). This month also experiences high humidity at 80% and significant rainfall, with 187 mm (7.4 in) spread over 20 days. In contrast, January brings much colder temperatures, with a minimum of -13°C (9°F) and an average of 11°C (52°F), occasionally reaching up to 26°C (79°F). The winter month is characterized by lower precipitation, totaling just 59 mm (2.3 in) over about 7 days, alongside a higher humidity level of 86%. For more details on January weather in Charleston, you can visit Charleston weather in January.
July and February present strikingly different weather patterns. In July, the climate is warm, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 34°C (94°F) and an average of 28°C (82°F). However, this warmth comes with significant precipitation, as July experiences 187 mm (7.4 in) of rainfall over 20 days, resulting in high humidity levels at 80%. In contrast, February offers a cooler atmosphere, with temperatures ranging from -2°C (29°F) to 26°C (79°F) and an average of 14°C (57°F). February sees considerably less precipitation at 78 mm (3.1 in) over just 9 days, with humidity slightly higher at 81%. For more specific insights on February weather, you can check Charleston weather in February.
The weather in July is characterized by warm temperatures and high humidity, with a minimum of 20°C (69°F), an average of 28°C (82°F), and a maximum reaching 34°C (94°F). This month sees significant precipitation, averaging 187 mm (7.4 in), with rain occurring on about 20 days, resulting in a humid atmosphere of around 80%. In contrast, March experiences much cooler temperatures, with a minimum of -1°C (30°F) and an average of 15°C (60°F), peaking at 28°C (82°F). The precipitation in March is notably less, totaling 60 mm (2.4 in) over just 6 days, while humidity remains similar at 81%. For more detailed insights, check out Charleston weather in March.
When comparing the weather in July and April, it’s clear that July is significantly warmer and wetter. In July, temperatures range from a minimum of 20°C (69°F) to a maximum of 34°C (94°F), with an average temperature of 28°C (82°F). This month experiences substantial rainfall, totaling 187 mm (7.4 in) over 20 days, accompanied by high humidity levels of 80%. In contrast, April features much cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 31°C (89°F), averaging 19°C (66°F). The precipitation in April is less, totaling 101 mm (4.0 in) across only 8 days, along with a slightly lower humidity of 79%. For more detailed information, check out Charleston weather in April.
When comparing the weather in July to that of May, significant differences are apparent. July experiences warmer temperatures, with a minimum of 20°C (69°F) and an average of 28°C (82°F), peaking at a maximum of 34°C (94°F). Conversely, May starts cooler, with a minimum of 9°C (49°F) and an average temperature of 23°C (74°F), though it can reach highs of 37°C (98°F). Additionally, July sees considerably more precipitation, with 187 mm (7.4 in) over 20 days, compared to May's 87 mm (3.4 in) spread over just 9 days. Humidity is also higher in July at 80% compared to May's 75%. For a detailed look at the climate during this time, you can explore Charleston weather in May.
In comparing the weather of July and June, July tends to be slightly warmer with average temperatures reaching 28°C (82°F) compared to June's average of 26°C (79°F). However, June can occasionally be hotter, with a maximum temperature of 35°C (95°F), while July's maximum is slightly lower at 34°C (94°F). Both months experience significant rainfall, but July sees more precipitation, totaling 187 mm (7.4 in) over 20 days, compared to June's 150 mm (5.9 in) across 19 days. Additionally, July's humidity is higher at 80%, making it feel muggier than June's 75%. For more detailed information about weather conditions during this time, check out Charleston weather in June.
July and August exhibit similar warm climates, though there are some notable differences. In July, temperatures range from a minimum of 20°C (69°F) to a maximum of 34°C (94°F), with an average of 28°C (82°F). The month sees significant precipitation, totaling 187 mm (7.4 in) over 20 days, with humidity hovering around 80%. In contrast, August has slightly warmer minimum temperatures at 21°C (70°F) and a higher maximum of 35°C (95°F), with an average temperature of 27°C (81°F). Precipitation in August is slightly less at 183 mm (7.2 in), but occurs over a longer span of 21 days, and humidity remains high at 81%. For more detailed trends, you can check Charleston weather in August.
In comparing the weather of July and September, we see notable differences and a few similarities. July boasts a higher average temperature of 28°C (82°F), with minimums around 20°C (69°F) and maximums reaching up to 34°C (94°F). It is also marked by significant precipitation, receiving 187 mm (7.4 in) over approximately 20 days, all while maintaining a high humidity level of 80%. In contrast, September's temperatures are slightly cooler, with a minimum of 14°C (57°F) and an average of 26°C (78°F), yet it can still peak at a maximum of 35°C (94°F). Precipitation in September totals 176 mm (6.9 in) over about 14 days, accompanied by a marginally higher humidity of 83%. For more detailed insights, check out Charleston weather in September.
In July, the weather is typically hot and humid, with average temperatures around 28°C (82°F) and maximums reaching up to 34°C (94°F). The month is also quite wet, with 187 mm (7.4 in) of rain falling over about 20 days, contributing to a high humidity level of 80%. In contrast, October brings a noticeable drop in temperatures, with a comfortable average of 22°C (72°F) and maximums of 31°C (89°F). Precipitation decreases significantly to 79 mm (3.1 in) and occurs over just 9 days, while humidity levels remain relatively high at 78%. For more detailed insights on what to expect, check out Charleston weather in October.
July and November present a stark contrast in weather conditions. In July, temperatures soar with a minimum of 20°C (69°F), averaging around 28°C (82°F), and peaking at a sweltering 34°C (94°F). This month also sees significant rainfall, with 187 mm (7.4 in) of precipitation spread over 20 days, accompanied by high humidity at 80%.
In contrast, November experiences much cooler temperatures, with a minimum dropping to -1°C (31°F) and an average of 15°C (59°F), though it can still reach a maximum of 28°C (84°F) on warmer days. Precipitation is notably lower at 92 mm (3.6 in) over just 8 days, while humidity remains relatively high at 85%. For more details on the November climate, visit Charleston weather in November.
In July, the weather is warm and humid, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 34°C (94°F), and an average temperature of 28°C (82°F). This summer month also sees considerable rainfall, with 187 mm (7.4 in) of precipitation over about 20 days. In contrast, December brings much cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 25°C (77°F), averaging around 12°C (54°F). Despite having less rainfall at 127 mm (5.0 in) over 9 days, December's humidity remains high at 87%. For more detailed insights, visit Charleston weather in December.
As summer reaches its peak in July, Charleston transforms into a hot and humid haven, with temperatures averaging around 28°C (82°F). This month stands out with its frequent rainfall, totaling about 187 mm (7.4 in) spread across 20 days, making it one of the wettest periods of the year. The juxtaposition of high heat and elevated humidity levels—hovering around 80%—creates a distinctly tropical feel that sets July apart from the milder conditions of the spring and fall months. To understand more about how this month fits into Charleston's overall climate, explore further at Charleston Climate.