Last updated: August 28, 2025
Experience the warm embrace of July in Saint Croix, where temperatures average a pleasant 27°C (82°F). This vibrant Caribbean island sees maximum highs reaching 29°C (84°F) and lows around 25°C (78°F), creating an inviting atmosphere for sun-seekers and adventurers alike. However, be prepared for a sprinkle of tropical rain, as the island receives approximately 92 mm (3.6 in) of precipitation over 19 days, maintaining the lush landscape that Saint Croix is known for. With humidity levels around 83%, the air remains rich and fragrant, enhancing the island's natural beauty. Whether lounging on the beach or exploring the local culture, July offers a distinctive and memorable experience on this idyllic U.S. Virgin Island.
In July, Saint Croix, Virgin Islands, embraces the warmth of summer, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (84°F). The average temperature settles at a balmy 27°C (82°F), offering an inviting atmosphere for beachgoers and sun-seekers alike. This slight rise in heat compared to previous months signals the peak of the warm season, with the island maintaining a consistent warmth that starts in late spring and continues through early autumn. The evenings remain comfortable, making it an ideal time to enjoy outdoor activities while soaking in the tropical vibes. As the temperatures suggest, July in Saint Croix is all about embracing the sun and relishing the natural beauty of this Caribbean paradise.
In July, Saint Croix experiences a noticeable uptick in rainfall, with 92 mm (3.6 in) of precipitation spread across 19 days. This increase marks a significant leap from the previous months, contributing to the island's overall wet season, which is characterized by a gradual rise in precipitation starting from the early summer. Following the pattern established in June, where 59 mm (2.3 in) fell over 17 days, July continues the trend of frequent showers, setting the stage for the heavier rains that August and September often bring. As the month progresses, the lush landscapes of the Virgin Islands are rejuvenated, establishing a vibrant and thriving environment amidst the tropical heat.
In July, Saint Croix experiences a slight peak in humidity at 83%, marking the height of the summer season. This increase reflects a gradual rise from 77% in the earlier months, with April and May showing modest progressions as they creep toward the sultry summer. The trend continues into June with 81% humidity, creating a steamy atmosphere that’s typical of the Caribbean in mid-year. As August approaches, humidity drops just slightly to 82%, suggesting a consistent tropical feel that remains through the latter part of summer. Overall, the steady climb through the first half of the year culminates in July, showcasing the typical warmth and moisture that defines this idyllic island's climate.
In July, Saint Croix experiences a UV Index of 13, categorizing it as extreme and requiring just 10 minutes of exposure before sunburn may occur. This consistent level of intensity mirrors June's readings and reflects a trend seen throughout the early summer months. As summer progresses, the UV Index remains notably high, peaking at 14 in September before gradually declining into the fall months. Sun-seekers should remain vigilant to protect their skin during these peak hours by seeking shade and applying sunscreen regularly. To learn more about the UV Index in Saint Croix, check out Saint Croix UV Index.
UV Risk Categories
In July, Saint Croix basks in a delightful 356 hours of sunshine, making it one of the sunniest months of the year. This peak in sunlight follows a steady ascent from January, which starts at 260 hours, and is complemented by a high in May at 361 hours. As summer unfolds, the island thrives, maintaining a warm and inviting ambiance, with just a slight drop in sunlight into August at 349 hours. The consistent warmth and bright days of July not only enhance outdoor adventures but also underscore the island's appeal as a year-round paradise for sun-seekers.
July in Saint Croix, Virgin Islands, brings a moderate chance of sunshine, with approximately 47% of the days expected to be sunny. This is a notable decline from the sunnier months of January to May, where chances exceed 55%. While June experiences the lowest likelihood of sun at just 23%, July begins to rebound slightly, yet still lags behind many other months. The trend indicates that while summer offers warmth and the potential for outdoor fun, cloud cover remains a possibility. As you plan your July getaway, don’t forget your shades, yet keep an eye on the clouds!
In Saint Croix, Virgin Islands, the month of July offers a delightful 13 hours of daylight, mirroring the sun-drenched June days. This vibrant mid-summer period marks the peak of daylight hours, following a gradual increase from 11 hours in January and February. As the year progresses into late summer, daylight begins to recede slightly with August returning to 12 hours. The pattern displays a wonderful consistency, where early months feature shorter days while the summer months bask in sunlight, making July a perfect time for outdoor adventures and enjoying the island's stunning beauty before the gradual return to shorter days in the fall.
In July, the winds in Saint Croix, U.S. Virgin Islands reach an average speed of 8.5 m/s (19 mph), marking a notable uplift from the calmer months of spring. This summer breeze is not only refreshing but also aligns with a general trend of increasing wind speeds as the year progresses. Following a peak in February at 8.9 m/s (20 mph), the winds sway slightly lower during the preceding months but regain momentum in July. As summer unfolds, the consistent breeze continues into August at 7.4 m/s (17 mph), before waning towards the end of the season. Overall, July captures a sweet spot of invigorating winds, perfect for invigorating outdoor adventures and enjoying the vibrant island life.
Weather in Saint Croix varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Saint Croix, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between July and January, one can observe a slight increase in temperature during the summer month. July sees minimum temperatures of 25°C (78°F) and averages around 27°C (82°F), reaching a maximum of 29°C (84°F). In contrast, January has slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 25°C (78°F), and a maximum of 27°C (81°F). Additionally, July is marked by higher precipitation levels, recording 92 mm (3.6 in) over 19 days, compared to January's more moderate 34 mm (1.3 in) across 13 days. Humidity is also higher in July at 83%, while January experiences a lower humidity of 77%. For more detailed insights, check out Saint Croix weather in January.
When comparing the weather in July and February, it's clear that July is hotter and more humid. In July, temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (84°F), with an average of 27°C (82°F) and an uncomfortable humidity level of 83%. The month also sees significant rainfall, with about 92 mm (3.6 in) over 19 days. In contrast, February is somewhat milder, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 27°C (81°F), averaging 25°C (77°F). Additionally, February experiences less precipitation, totaling only 31 mm (1.2 in) across 11 days and slightly lower humidity at 77%. For more details on February weather, you can check Saint Croix weather in February.
In comparing the weather of July and March, July tends to be warmer and more humid, with average temperatures reaching around 27°C (82°F) and humidity levels of 83%. In contrast, March features slightly cooler average temperatures of 25°C (77°F) and lower humidity at 77%. Additionally, July experiences more precipitation, totaling 92 mm (3.6 inches) over an average of 19 days, compared to March's 34 mm (1.3 inches) across 11 days. For a more detailed look at the weather during March, you can check out Saint Croix weather in March.
In comparing the weather between April and July, we see some notable differences. July experiences slightly warmer temperatures, with an average of 27°C (82°F) compared to April's 26°C (78°F). Additionally, July is characterized by higher humidity at 83%, while April maintains a more comfortable level of 78%. Precipitation also increases significantly in July, with 92 mm (3.6 in) over 19 days, whereas April sees only 41 mm (1.6 in) spread over 10 days. For more detailed information about the weather in April, you can visit Saint Croix weather in April.
In comparing the weather of July and May, July tends to be slightly warmer with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (84°F), while May experiences a min of 24°C (75°F) and a max of 28°C (83°F). Both months are characterized by high humidity, with July averaging 83% compared to May's 79%. However, July sees a greater amount of precipitation, with 92 mm (3.6 in) falling over 19 days, compared to May's 57 mm (2.2 in) over just 13 days. For a more detailed look at the weather in May, you can check out Saint Croix weather in May.
In comparing the weather of July and June, we see that both months share similar temperature ranges, with both having a minimum of 25°C (78°F), an average of 27°C (82°F), and a maximum of 29°C (84°F). However, July experiences higher precipitation levels, totaling 92 mm (3.6 in) over 19 days, compared to June's 59 mm (2.3 in) over 17 days. Additionally, July has a slightly higher humidity level at 83%, while June's humidity is at 81%. For more detailed information, you can visit Saint Croix weather in June.
In comparing the weather of July and August, both months experience warm conditions with minimal temperature variation. July's temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (84°F), with an average of 27°C (82°F), while August maintains similar lows and highs, averaging slightly warmer at 28°C (82°F). Precipitation levels, however, differ; July sees 92 mm (3.6 in) over 19 days, whereas August has higher precipitation at 123 mm (4.8 in) across 17 days, indicating a wetter month. Humidity remains relatively stable, with July at 83% and August slightly lower at 82%. For a detailed look at August weather, visit Saint Croix weather in August.
In July, the weather tends to be warm and humid, with temperatures ranging from a minimum of 25°C (78°F) to an average of 27°C (82°F), peaking at 29°C (84°F). The month sees significant rainfall, totaling 92 mm (3.6 in) over 19 days, and humidity levels averaging 83%. In contrast, September experiences slightly warmer average temperatures, with a minimum of 25°C (78°F) and an average of 28°C (82°F), reaching a maximum of 29°C (85°F). However, September is notably wetter, with precipitation of 156 mm (6.2 in) over 20 days, while humidity decreases to 80%. For more details on the weather conditions, you can check Saint Croix weather in September.
In comparing the weather between July and October, both months share similar temperatures, with minimums around 25°C (77°F) and daily averages of 27°C (82°F). However, October tends to be slightly wetter, with an average precipitation of 130 mm (5.1 in) over 18 days compared to July's 92 mm (3.6 in) across 19 days. Additionally, humidity is slightly lower in October at 79%, compared to 83% in July, making the latter feel more muggy. For a more detailed look at October conditions, you can refer to Saint Croix weather in October.
In July, the weather tends to be slightly warmer with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (84°F), averaging around 27°C (82°F). This month also sees an average of 92 mm (3.6 in) of precipitation spread over 19 days, accompanied by high humidity levels at 83%. In contrast, November features a similar temperature range, with lows and highs mirroring those of July at 25°C (77°F) and 28°C (83°F), respectively, and an average temperature slightly below July at 27°C (81°F). Precipitation in November is slightly higher, totaling 98 mm (3.9 in) over 17 days, though humidity is somewhat lower at 79%. For a detailed look at November weather, visit Saint Croix weather in November.
In comparing the weather of July and December, we find that both months offer warm temperatures, but with some noteworthy differences. July experiences slightly higher temperatures, with a minimum of 25°C (78°F) and an average of 27°C (82°F), while December is just a touch cooler, with temperatures ranging from a minimum of 24°C (75°F) to an average of 26°C (79°F). Precipitation levels also differ, as July sees 92 mm (3.6 in) over 19 days, making it the wetter month compared to December's 50 mm (2.0 in) over 16 days. Additionally, humidity is higher in July at 83%, compared to 78% in December, contributing to a more sultry atmosphere in the mid-year month. For more detailed information about the weather in December, check out Saint Croix weather in December.
In July, Saint Croix experiences a warm tropical climate with a consistent warmth that sets it apart from other months. Temperatures hover around a delightful average of 27°C (82°F), providing the perfect backdrop for sun-soaked days. However, it’s also the month with the most rainfall, as about 19 days bring 92 mm (3.6 in) of precipitation, adding a refreshing contrast to the heat and contributing to the lush landscapes. The elevated humidity of 83% creates a sultry atmosphere, making it a great time for those seeking to enjoy vibrant summer vibes while also embracing the occasional rain shower. For more insights on the weather nuances throughout the year, explore Saint Croix Climate.