Last updated: February 24, 2025
April in Charleston, United States, brings a delightful mix of warmth and springtime charm. With maximum temperatures soaring to 31°C (89°F) and an average of 19°C (66°F), the month is marked by comfortable days ideal for outdoor activities. However, nights can dip to a cool 4°C (39°F), so layers are recommended. Humidity levels hover around 79%, adding a touch of stickiness typical of the coastal climate. April also sees 101 mm (4.0 in) of rain over 8 days, bringing refreshing showers that nourish the blooming flora. Whether it's exploring historic sites or enjoying the vibrant local culture, Charleston's April weather invites both locals and visitors to revel in its beauty.
April in Charleston heralds the arrival of spring with temperatures that start to warm significantly. The month opens with a minimum temperature of 4°C (39°F), climbing to an average of 19°C (66°F), and reaching a max of 31°C (89°F). This upward trend from March, where averages hover around 15°C (60°F), signals the transition into warmer days. As flowers bloom and outdoor activities beckon, the increasing warmth makes April an enticing time to explore the city's historic charm. The refreshing yet comfortable climate not only enhances the beauty of Charleston’s scenery but also invites residents and visitors alike to enjoy everything from leisurely strolls to vibrant street festivals.
In April, Charleston experiences a significant increase in precipitation, with 101 mm (4.0 in) falling over the month across 8 days. This uptick not only marks a noticeable rise from the preceding months but also sets the stage for the wetter conditions that characterize the upcoming summer. As temperatures begin to warm, April's rain serves as a vital precursor to the intense rainfall seen in June and July, where averages soar to 150 mm (5.9 in) and 187 mm (7.4 in), respectively. This trend highlights a pattern of increasing precipitation as spring transitions into summer, providing essential moisture for the region's lush landscapes and contributing to Charleston's charm during the vibrant months ahead.
In April, Charleston experiences a slight dip in humidity, with levels averaging around 79%. This marks a gradual decrease from the 81% humidity seen in March, hinting at the arrival of spring's mildness. As the city transitions into warmer months, humidity continues to decline to 75% by May and June, indicating a shift towards drier conditions. However, the patterns of humidity show that while April offers a reprieve, the summer months quickly increase the moisture in the air again, with July and August returning to levels of 80% and 81% respectively. Thus, April serves as a crucial bridge between the heavier humidity of winter and the more temperate airs of late spring in Charleston.
In April, Charleston experiences a notable spike in UV intensity, with an index reaching 10, categorized as very high. This increase from the previous months indicates a seasonal trend as the region transitions into warmer weather. With a burn time of just 15 minutes, it's crucial for residents and visitors to take necessary precautions to protect their skin from harmful UV rays. As we move closer to summer, the UV Index will only escalate, emphasizing the importance of being sun-smart as outdoor activities become more popular. For more detailed information on UV levels throughout the year, check Charleston UV Index.
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April in Charleston welcomes a vibrant surge of sunshine, with 306 hours of radiant daylight illuminating the city. This increase is a delightful continuation of the upward trend observed from the start of the year, where January's 186 hours gradually build to 275 hours by March. As spring unfolds, the sunny hours not only elevate the mood but also promise the warmer days ahead, paving the way for May's impressive 336 hours. This steady rise underscores Charleston's reputation as a sunny retreat, as residents and visitors alike bask in the beauty of the blossoming season, eagerly anticipating the longer days of summer.
As spring unfolds, April in Charleston brings a notable increase in the likelihood of sunny weather, with a 56% chance of sunshine—significantly higher than the dreary percentages seen in the preceding months of January through March, which hover around 38%. This positive trend continues into May, albeit slightly lower at 52%. The brighter days of April offer a welcome reprieve before the summer months, when the likelihood of sun dips to a cool 29% in June and 34% in July. Thus, April stands out as a prime time for outdoor activities, boasting the best chance for sunny weather during the early part of the year.
As spring unfolds in Charleston, April marks a noticeable leap in daylight duration, where residents enjoy a delightful 13 hours of sunlight each day. This increase from the 11 hours seen in March not only lifts spirits but also signals the city's vibrant blossoming flora and the onset of outdoor activities. Interestingly, this trend of longer days continues into May and June, reaching a peak of 14 hours of daylight during the summer months. As the year progresses, daylight gradually tapers off, reminding us of the cyclical nature of the seasons. With each passing month, Charleston transitions from the cozy brevity of winter towards the sun-drenched days of summer, making April a pivotal moment in this bright journey.
In April, Charleston experiences a gentle embrace of average wind speeds at 3.9 m/s (9 mph), mirroring the brisk conditions of March. This consistent breeze not only complements the city's blossoming spring scenery but also invites residents and visitors alike to enjoy outdoor activities under the warming sun. As the months progress, wind speeds tend to dip slightly, with May remaining steady at 4.0 m/s, before easing into the sultry summer days of June and July, where they drop to around 3.2 m/s (7 mph). This gentle transition heralds the onset of a slower pace, highlighting the city's shift from invigorating spring winds to tranquil summer breezes, making April's wind feel like a refreshing prelude to the warmer months ahead.
The weather in Charleston changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April'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.
April and January present stark contrasts in weather conditions. In April, temperatures range from a chilly 4°C (39°F) at night to a warm 31°C (89°F) during the day, with an average of 19°C (66°F). Precipitation is higher in April, averaging 101 mm (4.0 in) over 8 days, and humidity sits at 79%. In contrast, January experiences much colder temperatures, with minimums plunging to -13°C (9°F) and maximums reaching only 26°C (79°F). While January features less precipitation at 59 mm (2.3 in) over 7 days, it comes with a higher humidity level of 86%. For more detailed information, check out Charleston weather in January.
April and February showcase distinct differences in weather patterns. April features a more pronounced warming trend, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 31°C (89°F), averaging around 19°C (66°F). In contrast, February starts colder, with temperatures dipping as low as -2°C (29°F) and peaking at 26°C (79°F), averaging 14°C (57°F). While April experiences higher precipitation levels at 101 mm (4.0 in) over 8 days, February collects 78 mm (3.1 in) over 9 days. Humidity levels are slightly lower in April at 79%, compared to February's 81%. For those interested in more details, you can check Charleston weather in February.
April brings a noticeable warming trend compared to March, with average temperatures rising from 15°C (60°F) to 19°C (66°F). The minimum temperatures in April increase significantly, climbing from March's chilly -1°C (30°F) to a more comfortable 4°C (39°F). However, April also sees increased precipitation, with 101 mm (4.0 in) of rainfall over 8 days, compared to March's 60 mm (2.4 in) over 6 days. Humidity remains relatively stable, with April at 79% and March slightly higher at 81%. For a more detailed look at March's conditions, visit Charleston weather in March.
In comparing the weather conditions of April and May, we notice a significant rise in temperatures during May, with minimums starting at 9°C (49°F) compared to April's 4°C (39°F). The average temperature also increases to 23°C (74°F) in May, while reaching a maximum of 37°C (98°F), marking a notable warming trend. Although April experiences slightly more precipitation at 101 mm (4.0 in) over 8 days, May's rainfall totals 87 mm (3.4 in) over 9 days, demonstrating a slightly drier but still humid period, with humidity decreasing slightly from 79% in April to 75% in May. For those planning their activities, more details can be found at Charleston weather in May.
April and June showcase distinct differences in weather patterns. In April, temperatures range from a minimum of 4°C (39°F) to a maximum of 31°C (89°F), with an average of 19°C (66°F). The month experiences moderate precipitation of 101 mm (4.0 in) over about 8 days, coupled with a higher humidity level of 79%. Conversely, June brings warmer temperatures, with a minimum of 16°C (61°F), an average of 26°C (79°F), and a maximum reaching 35°C (95°F). Rainfall increases to 150 mm (5.9 in) over 19 days, yet the humidity slightly decreases to 75%. For a more in-depth look at June’s climate, you can check out Charleston weather in June.
April and July present quite contrasting weather patterns. In April, temperatures range from a cooler minimum of 4°C (39°F) to a warm maximum of 31°C (89°F), with an average of 19°C (66°F). The month sees 101 mm (4.0 in) of precipitation over approximately 8 days, coupled with a humidity level of 79%. In contrast, July is significantly warmer, with minimum temperatures starting at 20°C (69°F) and reaching a maximum of 34°C (94°F), averaging 28°C (82°F). Rainfall increases to 187 mm (7.4 in) over about 20 days, while humidity remains slightly higher at 80%. For a detailed look at summer weather, check out Charleston weather in July.
In April, the weather is characterized by a considerable range in temperatures, with minimums around 4°C (39°F) and maximums reaching up to 31°C (89°F). This month experiences moderate precipitation, averaging 101 mm (4.0 in) over about 8 days, and a humidity level of 79%. In contrast, August is significantly warmer, with minimum temperatures of 21°C (70°F) and highs soaring to 35°C (95°F). The month is also wetter, featuring 183 mm (7.2 in) of precipitation spread over 21 days, while the humidity remains fairly consistent at 81%. For more detailed information on weather patterns, you can check Charleston weather in August.
April and September present distinct weather profiles, highlighting the transition from spring to autumn. In April, temperatures range from a mild minimum of 4°C (39°F) to a pleasant maximum of 31°C (89°F), with an average of 19°C (66°F). However, the month is characterized by relatively low humidity at 79% and about 101 mm (4.0 in) of precipitation over 8 days. In contrast, September offers warmer conditions, with minimum temperatures at 14°C (57°F) and a peak of 35°C (94°F), averaging 26°C (78°F). It also experiences increased rainfall, totaling 176 mm (6.9 in) over 14 days, along with slightly higher humidity at 83%. For a more detailed comparison of climate specifics, you can check Charleston weather in September.
April and October share similar high temperatures, both reaching a maximum of 31°C (89°F), but their overall weather patterns present notable differences. In April, temperatures fluctuate between a minimum of 4°C (39°F) and an average of 19°C (66°F), accompanied by higher precipitation levels at 101 mm (4.0 in) over 8 days. Meanwhile, October experiences a slightly milder minimum of 3°C (38°F) and a warmer average of 22°C (72°F), with lower precipitation of 79 mm (3.1 in) over 9 days. Humidity levels remain comparable, with April at 79% and October at 78%. For more detailed insights into October's climate, visit Charleston weather in October.
April and November present distinct weather experiences. In April, temperatures range from a mild minimum of 4°C (39°F) to a warm maximum of 31°C (89°F), with an average of 19°C (66°F). The month sees about 101 mm (4.0 in) of precipitation over eight days, accompanied by a humidity level of 79%. Conversely, November features cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 28°C (84°F), averaging 15°C (59°F). Precipitation decreases slightly to 92 mm (3.6 in) over the same eight days, and humidity rises to 85%. For more detailed information, you can check Charleston weather in November.
April and December showcase contrasting weather patterns. In April, temperatures range from a minimum of 4°C (39°F) to a maximum of 31°C (89°F), with an average of 19°C (66°F). The month sees 101 mm (4.0 in) of precipitation over 8 days, accompanied by humidity levels of 79%. In contrast, December experiences cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 25°C (77°F), averaging 12°C (54°F). This month has slightly higher precipitation, totaling 127 mm (5.0 in) over 9 days, and a humidity level of 87%. For more detailed information, visit Charleston weather in December.
April in Charleston is a delightful transition into spring, offering a vibrant mix of warmth and occasional showers. The temperatures start to rise, creating a stark contrast to the cooler winter months, while the city's signature humidity adds a touch of Southern charm. Although rainfall is modest with a handful of rainy days, the lush greenery that follows is well worth it. As the landscape flourishes, April serves as a reminder that the sweltering heat of summer is on the horizon but not quite here yet. For a deeper dive into the ever-changing weather patterns of this coastal gem, explore Charleston Climate.