Last updated: February 24, 2025
In July, James Island experiences a vibrant summer climate characterized by a maximum temperature of 34°C (94°F), while the average settles around a comfortable 28°C (82°F) and a refreshing minimum of 20°C (69°F). This month welcomes frequent showers, with 20 days of precipitation contributing to a total of 187 mm (7.4 inches) of rainfall, creating a lush and green landscape. The high humidity levels at 80% enhance the tropical feel, making it essential for visitors to stay hydrated and seek relief from the heat amidst the island's breathtaking scenery.
In July, temperatures on James Island peak with a minimum of 20°C (69°F) and an average of 28°C (82°F), making it one of the warmest months of the year. The maximum reaches a sizzling 34°C (94°F), signifying a sharp rise from the cooler spring months. This upward trend in temperature is evident compared to earlier months, as July continues the warm streak initiated in late spring. The warmth sets a perfect backdrop for summer activities, with both residents and visitors enjoying the sunny days that define this vibrant season. The climate during this time invites outdoor adventures, making July an ideal month for soaking up the sun on beautiful James Island.
In July, James Island experiences a peak in precipitation, receiving a substantial 187 mm (7.4 in) of rain over 20 days. This marks a significant increase from the preceding months, particularly June's already considerable 150 mm (5.9 in), as summer storms sweep through the area. The trend continues into August, with 183 mm (7.2 in) expected, suggesting a summer pattern characterized by frequent rain. The rainy season truly sets in during this month, contributing to the lush landscapes that define the region, while also preparing the island for the wetter days ahead in September. This substantial summer precipitation not only shapes the climate but also influences daily activities and local ecosystems, highlighting the importance of July in the annual rainfall cycle.
In July, James Island experiences a notable dip in humidity compared to the year's earlier months, settling at 80%. This slight decrease follows the trend established in June, where humidity also hovered at 75%. As the summer progresses, the humidity begins to rebound in August at 81% and carries through into the early fall months, with September peaking at 83%. Overall, while July stands out with a moderate 80%, it marks the transition towards the wetter autumnal months, showcasing the island's characteristic humidity fluctuations throughout the year.
July in James Island, United States, continues the trend of extreme UV exposure, maintaining a high UV Index of 11 similar to June and the upcoming August. This persistent level signifies a very high risk of harm from unprotected sun exposure, with a burn time as short as 10 minutes for those with lighter skin tones. As summer peaks, residents and visitors alike should prioritize sun safety measures to mitigate the risk of sunburn. Notably, the UV Index has steadily climbed since January, escalating from a moderate UV Index of 4 to this peak summer intensity. To stay informed on UV conditions throughout the year, visit James Island UV Index.
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July shines brightly in James Island, boasting 341 hours of sunshine, making it the sunniest month of the year. This peak follows a steady climb from 186 hours in January, showcasing a delightful increase in sunlight as warmer months approach. As spring transitions into summer, the hours of sunshine rise significantly, with May and June marking a splendid 336 and 316 hours respectively. While August may see a slight decrease to 314 hours, the overall trend remains positive throughout the summer, reflecting the island's inviting climate. With the sun casting its warm glow for such extended periods, July truly embodies the vibrant essence of summer in this coastal paradise.
In James Island, United States, the likelihood of sunny weather in July dips to 34%, marking it as one of the less favorable months for sunshine. This decline follows a trend from June, which also sees a low 29% chance of clear skies, suggesting a stretch of less predictable weather during the summer months. Interestingly, April and May show brighter prospects with 56% and 52% chances of sun, indicating that while summer begins with high hopes, the peak season can sometimes turn overcast. As the year progresses towards fall, the likelihood of sunshine picks back up, peaking in November at 62%. This fluctuation showcases the charming yet unpredictable nature of weather in this coastal locale.
In July, James Island basks in 14 hours of daylight, maintaining the peak brightness reached in June. This extended light enables residents and visitors alike to fully embrace the warm summer days. Following July, daylight begins to taper off gradually, with August bringing 13 hours of light—a gentle reminder of the approaching fall. The trend of increasing daylight from the 10 hours in January to the 14 hours in the middle of summer highlights a significant seasonal shift, enhancing outdoor activities and the vibrant lifestyle typical of this coastal community during the sunny months. As the year progresses, the gradual decrease in daylight sets the stage for a cozy transition into autumn, with September and October offering a softer glow.
In July, James Island experiences its lowest average wind speed of the year at 3.2 m/s (7 mph), marking a significant decline from the peaks seen in the spring months. This gentle breeze contrasts with the stronger winds of earlier months, such as March and May, which both register at 4.0 m/s (9 mph). Following July, a slight uptick in wind speed occurs in October, bringing a refreshing change as summer transitions to fall. Overall, this trend highlights the calmness of July's winds, inviting leisurely outdoor activities while hinting at the seasonal shift in the months to come.
The weather in James Island 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 James Island and find detailed weather information for every month.
July and January present starkly contrasting weather conditions. In July, temperatures soar, with a minimum of 20°C (69°F) and an average of 28°C (82°F), peaking at a sweltering 34°C (94°F). This month also sees significant precipitation, with around 187 mm (7.4 in) falling over approximately 20 days, paired with high humidity levels of 80%. In contrast, January experiences much cooler conditions, with temperatures dropping as low as -13°C (9°F), averaging 11°C (52°F) and maxing out at 26°C (79°F). Precipitation is considerably lighter at 59 mm (2.3 in) over just 7 days, and humidity remains high at 86%. For a closer look at January's weather, visit James Island weather in January.
When comparing the weather in July and February, it is evident that the two months offer stark contrasts. July boasts a warm climate with average temperatures around 28°C (82°F) and highs reaching up to 34°C (94°F), accompanied by significant rainfall of 187 mm (7.4 in) over 20 days, resulting in high humidity levels of 80%. In contrast, February experiences much cooler temperatures, with an average of 14°C (57°F) and a maximum of 26°C (79°F). Precipitation is markedly lower at 78 mm (3.1 in) over just 9 days, and humidity remains slightly higher at 81%. For more details about February weather, you can visit James Island weather in February.
Comparing the weather between March and July reveals stark contrasts. March experiences cooler temperatures, with a minimum of -1°C (30°F) and an average of 15°C (60°F), peaking at 28°C (82°F). In contrast, July boasts a significantly warmer climate, with temperatures ranging from a minimum of 20°C (69°F) to a scorching maximum of 34°C (94°F), averaging around 28°C (82°F). Precipitation is also notably different; March sees about 60 mm (2.4 inches) of rain over roughly 6 days, while July receives a much higher total of 187 mm (7.4 inches) over 20 days, contributing to a humid environment with an average humidity of 80% in July compared to 81% in March. For more details, you can check James Island 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 an average of 28°C (82°F), peaking at a maximum of 34°C (94°F). The month is characterized by high humidity at 80% and considerable rainfall, with an average of 187 mm (7.4 in) spread over approximately 20 days. In contrast, April offers much cooler temperatures, with a minimum of 4°C (39°F), an average of 19°C (66°F), and a maximum of 31°C (89°F). Precipitation is also notably lower in April, totaling 101 mm (4.0 in) over just 8 days, alongside slightly lower humidity at 79%. For more detailed information, you can check James Island weather in April.
When comparing May and July weather, it's clear that July is significantly warmer and more humid. 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). In contrast, May experiences cooler temperatures, ranging from a minimum of 9°C (49°F) to a maximum of 37°C (98°F), averaging around 23°C (74°F). Though July sees more rain with 187 mm (7.4 in) over 20 days, May is relatively drier, receiving only 87 mm (3.4 in) over 9 days. Both months experience high humidity, but July's humidity averages 80%, slightly higher than May's 75%. For a detailed look at May's weather, you can check James Island weather in May.
In comparing the weather of July and June, July typically experiences higher average temperatures, averaging 28°C (82°F) compared to June's 26°C (79°F). Notably, while July has a minimum temperature of 20°C (69°F), June starts cooler with a low of 16°C (61°F). However, June often sees slightly higher maximum temperatures, reaching up to 35°C (95°F), while July peaks at 34°C (94°F). Precipitation is more pronounced in July with 187 mm (7.4 in) recorded over 20 days, whereas June has lower rainfall at 150 mm (5.9 in) over 19 days. Humidity levels are also elevated in July at 80%, compared to 75% in June. For more details, you can check James Island weather in June.
In July, temperatures typically 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) and significant rainfall of 187 mm (7.4 in) over 20 days and humidity at 80%. In comparison, August sees slightly higher minimum temperatures at 21°C (70°F) and an average of 27°C (81°F), with a maximum temperature peaking at 35°C (95°F). The month is characterized by a similar precipitation level of 183 mm (7.2 in) but spans an additional day of rain, totaling 21 days, accompanied by a marginally higher humidity of 81%. For more insights on the weather conditions in James Island during August, you can visit James Island weather in August.
July and September exhibit distinct weather patterns, with July generally being warmer and more humid. 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 is marked by higher precipitation at 187 mm (7.4 in) over 20 days, contributing to the noticeable humidity of 80%. In contrast, September sees cooler temperatures, with a minimum of 14°C (57°F) and an average of 26°C (78°F), while still allowing for a peak maximum of 35°C (94°F). The month has slightly less precipitation at 176 mm (6.9 in) over 14 days, and humidity increases marginally to 83%. For more detailed insight into September weather conditions, you can refer to James Island weather in September.
In July, the weather is characterized by warm temperatures, with a minimum of 20°C (69°F) and an average of 28°C (82°F), peaking at a scorching 34°C (94°F). This month sees significant rainfall, with 187 mm (7.4 in) spread over 20 days, along with high humidity levels around 80%. In contrast, October offers a much cooler climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 31°C (89°F) and an average of 22°C (72°F). Precipitation in October is considerably lower at 79 mm (3.1 in) over just 9 days, with humidity slightly less at 78%. For more detailed insights on the weather during this month, please refer to James Island weather in October.
In comparing the weather of July and November, it's clear that the two months have strikingly different climates. July boasts warm temperatures, with a minimum of 20°C (69°F) and an average of 28°C (82°F), peaking at a sweltering 34°C (94°F). However, it also experiences a high level of precipitation, totaling 187 mm (7.4 in) over about 20 days, coupled with high humidity at 80%. In contrast, November presents a much cooler atmosphere with temperatures dropping significantly, starting at a minimum of -1°C (31°F) and averaging 15°C (59°F), yet still reaching up to 28°C (84°F) on warmer days. The precipitation in November is considerably less, at 92 mm (3.6 in) spread across just 8 days, although humidity remains relatively high at 85%. For a detailed look at conditions in November, you can check James Island weather in November.
The weather in July and December presents a striking contrast. 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) and high humidity at 80%. This month also experiences significant rainfall, with 187 mm (7.4 in) of precipitation spread over 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 12°C (54°F). The month sees less precipitation, totaling 127 mm (5.0 in) over just 9 days, albeit with slightly higher humidity at 87%. For more detailed insights, check out James Island weather in December.
July on James Island brings a notably warm and humid atmosphere, setting it apart from other months. With temperatures peaking around 34°C (94°F) and an average of 28°C (82°F), the summer heat is palpable. This month is marked by increased precipitation, with rain falling on about 20 days, contributing to the island's lush greenery. The humidity levels hover around a significant 80%, making it essential for visitors to stay hydrated and cool. Whether you're exploring the local beaches or enjoying outdoor activities, July's weather invites a vibrant, tropical experience unlike any other month. For more insights on what to expect throughout the year, check out James Island Climate.