Last updated: February 24, 2025
July on Hilton Head Island offers a warm and inviting climate, with maximum temperatures reaching up to 35°C (95°F) and an average of 28°C (82°F). Visitors can expect balmy evenings as the minimum temperature hovers around 23°C (73°F). However, this tropical oasis also experiences significant precipitation, totaling 156 mm (6.1 in) across 19 days, creating lush landscapes. With humidity levels at approximately 80%, the air is thick and warm, perfect for those seeking a quintessential summer getaway. Whether enjoying sun-soaked days or vibrant, rain-kissed afternoons, July sets the stage for unforgettable experiences on the island.
In July, Hilton Head Island sizzles with warm and inviting temperatures, making it a prime destination for beachgoers and outdoor enthusiasts alike. The month kicks off with a minimum temperature of 23°C (73°F), ensuring comfortable nights, while daytime highs soar to a steamy 35°C (95°F). With an average temperature of 28°C (82°F), July captures the essence of summer, encouraging visitors to bask in the sun and enjoy a variety of water sports. This trend of rising temperatures from earlier months highlights the island's transition into its peak summer season, where the warm climate provides the perfect backdrop for unforgettable adventures and relaxation. As temperatures remain consistently high, July truly embodies the lush, vibrant spirit of Hilton Head Island.
In July, Hilton Head Island experiences its wettest month of the year, with an impressive 156 mm (6.1 inches) of precipitation spread over 19 days. This substantial rainfall not only marks a continuation of the summer’s tropical climate but also highlights a trend of increasing moisture as the season progresses, with rainfall steadily rising from 122 mm in June. The island faces a peak in both precipitation amount and rainy days, creating lush landscapes and vibrant natural beauty, albeit with occasional interruptions to outdoor activities. As August follows closely behind, the trend continues, with even heavier downpours anticipated, illustrating the island's typical humid subtropical environment that characterizes this time of year.
In July, Hilton Head Island experiences a notable humidity level of 80%, which reflects a slight increase from the previous months of May and June, both at 75%. This mid-summer rise in humidity aligns with the region’s typical summer pattern, as many coastal areas experience elevated moisture levels during this season. The humidity begins to trend upwards again, peaking in August at 81% before dipping slightly in the fall. Overall, July serves as a transitional month, bridging the drier spring with the more humid conditions of late summer. Enjoying the island’s beaches is often accompanied by the warm, humid air typical of this time of year, making it essential for visitors to stay hydrated and seek relief from the heat.
In July, Hilton Head Island experiences its peak UV Index of 11, placing it in the extreme exposure category, which means a burn can occur in as little as 10 minutes. This trend of increasing UV exposure from earlier months is evident, as the Index has risen sharply from 4 in January to this summer high. Following July, the UV Index remains at this extreme level through August, before tapering off in September and October. As visitors enjoy the island's beautiful beaches, it's crucial to stay vigilant and take sun safety measures seriously. For more details, check out the Hilton Head Island UV Index.
UV Risk Categories
In July, Hilton Head Island basks in a radiant 347 hours of sunshine, making it one of the sunniest months of the year. This peak in sunlight follows a steady increase from winter's low of 192 hours in January, showcasing the island's transition from the chilly embrace of winter to the warmth of summer. After a brief dip in June, where the hours fell to 321, July not only shines the brightest but also marks a shift into the heart of summer, providing ample opportunity for beachgoers and outdoor enthusiasts to soak up the sun. As the month gives way to August, the sunlit hours slightly decline to 318, yet remain generous, reflecting the island's inviting climate and vibrant summer activities.
While July in Hilton Head Island might not boast the sunniest days, it still holds its own with a 31% chance of sunny weather. This marks a slight dip compared to the early summer months, notably June, which records an even lower likelihood of sunshine at 27%. Interestingly, as the year progresses, the probability of sunny days begins to pick up again in September with 51%, suggesting that sun-seekers might find more favorable conditions later in the summer and early fall. Overall, though July may not shine the brightest, visitors can still anticipate some cheerful moments amidst the balmy coastal charm.
In Hilton Head Island, July offers a delightful blend of sun and warmth, with an average daylight duration of 13 hours. Following the peak sunlight of June, which boasts 14 hours, July retains that vibrant energy while easing into a slightly shorter day. This slight decline continues into August, where daylight remains consistently at 13 hours. The gradual decrease from the lush 14-hour stretch of June reflects the transition towards autumn, as the days slowly shorten, leading into September's 12 hours of light. Overall, the summer months provide a generous amount of daylight, perfect for beach outings and outdoor activities, before gradually shifting towards the more subdued patterns of fall.
In July, Hilton Head Island experiences its mildest winds of the year, with an average speed of 3.6 m/s (8 mph). This slight drop from the breezier months of spring and early summer indicates a transition into the peak of summer, where the muggy heat often overshadows the refreshing coastal breezes. As the winds continue to decline into August and September, with averages dropping to 3.4 m/s (8 mph) and 3.2 m/s (7 mph) respectively, the summer's humid grip becomes more pronounced. However, a gentle breeze still dances across the island, providing a subtle reminder of the vibrant coastal ecosystem that thrives even in the warmest months. Overall, while July may offer the least wind, it encapsulates the essence of a serene summer getaway, inviting visitors to indulge in the beauty of Hilton Head.
The weather in Hilton Head 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 Hilton Head 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 23°C (73°F), averaging 28°C (82°F), and peaking at a sweltering 35°C (95°F), accompanied by high humidity levels of 80%. This month experiences significant rainfall, with 156 mm (6.1 in) spread over 19 days. Conversely, January offers a much cooler climate, with temperatures ranging from a chilling minimum of -5°C (23°F) to an average of 11°C (53°F), and a maximum of 24°C (75°F). Precipitation is significantly lower, totaling 61 mm (2.4 in) over just 7 days, albeit with higher humidity at 86%. For a more detailed look at January weather, you can check this link: Hilton Head Island weather in January.
When comparing the weather between July and February, there is a stark contrast in temperatures and precipitation levels. July boasts a warm climate with minimum temperatures of 23°C (73°F) and maximums reaching up to 35°C (95°F), while February offers a much cooler experience, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 25°C (77°F). Additionally, July experiences significantly higher precipitation, averaging 156 mm (6.1 in) over 19 days, compared to February's 80 mm (3.1 in) over 11 days. Interestingly, humidity remains similar in both months, with July at 80% and February slightly higher at 81%. For a detailed look at February weather specifics, you can check out Hilton Head Island weather in February.
When comparing the weather in July and March, it is evident that July experiences much warmer temperatures, with an average of 28°C (82°F) and highs reaching up to 35°C (95°F). In contrast, March welcomes cooler temperatures, averaging 16°C (61°F) with a maximum of 27°C (81°F). Precipitation is more frequent in July, occurring over 19 days and totaling 156 mm (6.1 in), while March has significantly less rain, with only 68 mm (2.7 in) falling over just 6 days. Humidity levels remain high in both months, at 80% in July and 81% in March. For a detailed look at the climate specifics, you can visit Hilton Head Island weather in March.
In July, the weather is significantly warmer than in April, with average temperatures soaring to 28°C (82°F) and a maximum of 35°C (95°F), compared to April's milder average of 19°C (67°F) and maximum of 30°C (87°F). While both months experience high humidity, July boasts a slightly higher level at 80% compared to April's 79%. Additionally, July tends to be wetter, accumulating 156 mm (6.1 in) of precipitation over 19 days, whereas April sees only 85 mm (3.4 in) across 8 days. For more detailed information, you can explore Hilton Head Island weather in April.
July and May display contrasting weather patterns, with July generally being hotter and more humid. July records a minimum temperature of 23°C (73°F), an average of 28°C (82°F), and peaks at a sizzling 35°C (95°F), alongside significant rainfall of 156 mm (6.1 in) over 19 days and humidity reaching 80%. In contrast, May experiences a milder climate, with temperatures ranging from a minimum of 12°C (53°F) to an average of 23°C (74°F) and a maximum of 34°C (94°F). Additionally, May sees less precipitation, totaling 89 mm (3.5 in) across 10 days, with a lower humidity level of 75%. For more details, check out Hilton Head Island weather in May.
In comparing the weather of June and July, July tends to be warmer, with average temperatures reaching 28°C (82°F) compared to June's average of 26°C (79°F). The maximum temperature in July can soar to 35°C (95°F), slightly higher than June's peak of 34°C (93°F). Additionally, July experiences more precipitation, with 156 mm (6.1 in) over 19 days, making it wetter than June, which had 122 mm (4.8 in) of rain over 18 days. The humidity also increases in July, averaging around 80%, while June maintains a slightly lower level at 75%. For a more detailed look into the weather patterns, you can check Hilton Head Island weather in June.
In comparing the weather between July and August, both months exhibit warm temperatures, with July having an average temperature of 28°C (82°F) compared to August's slightly lower average of 27°C (82°F). July tends to reach higher maximum temperatures, peaking at 35°C (95°F), while August's maximum is just a notch lower at 34°C (94°F). However, August sees a slightly increased amount of precipitation, with 180 mm (7.1 in) over 22 days, compared to July's 156 mm (6.1 in) across 19 days. Humidity levels remain comparable, with July at 80% and August slightly higher at 81%. For a more detailed look at weather patterns during August, visit Hilton Head Island weather in August.
July and September present contrasting yet somewhat overlapping weather conditions. In July, temperatures are considerably warmer, with a minimum of 23°C (73°F) and an average of 28°C (82°F), reaching a high of 35°C (95°F). The month is also marked by high humidity at 80% and significant precipitation of 156 mm (6.1 in) over 19 days, making it one of the wetter months. In comparison, September sees cooler temperatures with a minimum of 16°C (61°F) and an average of 26°C (79°F), peaking at 34°C (93°F). While September still experiences notable rainfall at 127 mm (5.0 in) across 15 days, its humidity slightly increases to 83%. For more specific insights into September weather, check out Hilton Head Island weather in September.
In July, the weather is typically hot and humid, with temperatures ranging from a minimum of 23°C (73°F) to a sweltering maximum of 35°C (95°F) and a substantial average of 28°C (82°F). This month sees significant rainfall, with about 156 mm (6.1 in) spread over 19 days, contributing to the high humidity levels of around 80%. In contrast, October delivers a much cooler experience, with temperatures dropping to a minimum of 6°C (42°F) at night, an average of 23°C (73°F), and a maximum of 31°C (89°F). Rainfall is also reduced in October, totaling approximately 88 mm (3.5 in) over just 11 days, while humidity remains slightly lower at 78%. For more detailed information about weather patterns during this month, you can visit Hilton Head Island weather in October.
July and November present striking contrasts in weather patterns. In July, temperatures soar with a minimum of 23°C (73°F) and an average high of 35°C (95°F), accompanied by high humidity levels of 80%. The month also sees significant rainfall, with 156 mm (6.1 in) over 19 days. In contrast, November ushers in a much cooler climate, where temperatures dip significantly, ranging from a minimum of 1°C (35°F) to an average of 16°C (61°F), peaking at 28°C (82°F). This month experiences less precipitation, totaling 90 mm (3.5 in) over just 8 days, while humidity remains high at 85%. For more detailed information, you can check Hilton Head Island weather in November.
The weather in July and December presents a stark contrast. July boasts warm temperatures, with a minimum of 23°C (73°F) and an average of 28°C (82°F), peaking at a scorching 35°C (95°F). It also experiences high humidity levels of 80% and significant rainfall, totaling 156 mm (6.1 in) over 19 days. In contrast, December delivers much cooler weather, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 23°C (73°F) and an average of 13°C (55°F). Precipitation is lower in December, at 125 mm (4.9 in) over just 10 days, while humidity remains high at 87%. For more detailed information, consider checking out Hilton Head Island weather in December.
In July, Hilton Head Island experiences its warmest and most humid month, setting the stage for balmy beach days and vibrant outdoor activities. Unlike the cooler springs or mild autumns, July brings a noticeable increase in both temperature and humidity, creating a sultry atmosphere. With frequent afternoon showers bringing much-needed relief, visitors can expect about two-thirds of the month to see some rainfall. This combination of heat and precipitation makes July uniquely energetic and lush, perfect for enjoying the island's natural beauty. To learn more about what to expect throughout the year, check out Hilton Head Island Climate.