Last updated: October 31, 2025
Experience the tropical allure of Koolbaai, Sint Maarten in July, where the average temperature hovers around 27°C (81°F), with a peak of 29°C (84°F) and a pleasant low of 25°C (77°F). While July invites warm days, it also brings a splash of rain, with 83 mm (3.3 in) of precipitation spread over 17 days, creating a lush, vibrant landscape. The humidity levels are high, averaging 83%, contributing to that quintessential Caribbean feel. Whether basking in the sun or enjoying the refreshing rain, July in Koolbaai captivates with its warm embrace and vibrant atmosphere.
In July, Koolbaai, Sint Maarten experiences warm tropical temperatures that embody the essence of summer. With minimum temperatures hovering around 25°C (77°F), the days are comfortably balmy, while the average climbs to 27°C (81°F), perfect for beach lounging. The afternoons reach their peak at 29°C (84°F), encouraging visitors to seek respite in the alluring turquoise waters. This month mirrors the warmth of June, but slightly escalates the heat, setting the stage for August, which maintains a similar trend with minimal fluctuation in temperature. The gradual rise from earlier months continues, showcasing Koolbaai's consistent tropical climate—a true paradise for sun-seekers and adventurers alike.
In the tropical paradise of Koolbaai, Sint Maarten, July stands out as a month of significant rainfall, with an impressive 83 mm (3.3 in) of precipitation falling over 17 days. This marks a noticeable increase compared to the preceding months, particularly June, which saw only 50 mm (2.0 in) over 14 days. The uptick in precipitation is a precursor to the wetter months ahead, as August and September typically follow suit with even higher totals, reflecting the region's shift into its lush, rainy season. This trend highlights the island's climatic patterns, where summer months invite increased humidity and the rhythm of tropical showers become a vibrant backdrop for the beauty of Koolbaai.
July in Koolbaai, Sint Maarten, marks a peak in humidity levels, reaching 83%, the highest of the year. This gradual increase in moisture begins in the earlier months, where humidity remains relatively stable at 77% from January to March. A slight uptick to 78% in April sets the stage for a steady rise, culminating in the sultry conditions of summer. As June arrives, humidity climbs to 81%, paving the way for July's muggy embrace. Following this peak, humidity begins to gently decline in August to 82%, and continues to decrease as the year progresses. Overall, the summer months in Koolbaai are characterized by increasing humidity, providing a tropical atmosphere that is both soothing and enveloping.
In Koolbaai, Sint Maarten, the UV Index peaks consistently during the summer months, with July marking another month of intense sun exposure. This trend continues from June, where the UV Index remains at a high level of 13, categorizing it as extreme. With such intensity, sunburn can occur in as little as 10 minutes, emphasizing the need for protective measures when enjoying the outdoors. Interestingly, this level of UV exposure persists through August, and rises to 14 in September, making it essential for residents and visitors to stay informed and take precautions. To learn more about the UV Index throughout the year, check out Koolbaai UV Index.
UV Risk Categories
July shines brightly in Koolbaai, Sint Maarten, boasting an impressive 362 hours of sunshine. This month exemplifies the peak of summer, reflecting a broader trend of abundant sunshine throughout the year. Following May's peak of 363 hours, July continues the warm embrace of sunlight, just slightly trailing behind. As summer unfolds, the regions bask in nearly consistent light, with only a slight dip in August to 351 hours, suggesting that the sun's vibrant energy is a hallmark of these coastal days. With the sunny streak extending from January's 259 hours to the mid-summer highs, Koolbaai paints a picture of a paradise where sunlight reigns supreme, enticing visitors and residents alike to enjoy its golden shores.
In Koolbaai, Sint Maarten, July presents a 50% chance of sunny weather, reflecting a transitional point in the island’s summer climate. Following a notable dip in June, where the odds of sunshine plummet to just 25%, July offers a more balanced outlook. This trend aligns with the general pattern of increased sunshine from the year's earlier months, peaking in the dry season of late winter and early spring with probabilities soaring as high as 72% in February and March. As the year progresses into August, the likelihood dips slightly to 46%, hinting at the influence of late summer weather patterns. Thus, while July may not guarantee unbroken sunshine, it certainly provides a fair shot at enjoying the warm, vibrant days that characterize life in this Caribbean paradise.
In Koolbaai, Sint Maarten, July marks a peak in daylight duration, offering 13 hours of sunshine that perfectly complements the tropical vibe of the island. The trend leading up to this month reveals a gradual increase in daylight from the 11 hours in January and February, rising steadily to 12 hours by March through May. As summer sets in, daylight extends to its maximum of 13 hours in both June and July, creating an ideal backdrop for outdoor adventures and sunset strolls. However, as August rolls in, the daylight begins its gentle decline back to 12 hours, hinting at the approach of a more moderate fall. This rhythmic shift in daylight not only invites residents and visitors alike to embrace the sunny adventures of summer but also marks the start of a transition into a captivating autumn season.
In Koolbaai, Sint Maarten, July brings a refreshing breeze with an average wind speed of 8.5 m/s (19 mph), marking it as one of the more brisk months of the year. Following a gradual increase from the lighter winds of April and May, which averaged around 6.4 m/s (14 mph) and 7.2 m/s (16 mph) respectively, July stands out as a peak in wind activity. This trend continues from June's moderate winds of 8.2 m/s (18 mph), making July not only lively but an ideal time for sailing and enjoying water activities. Interestingly, after July, the winds begin to taper off into August and September, hinting at a shift towards calmer months ahead. Overall, the winds in July add a vibrant energy to Koolbaai’s tropical atmosphere.
Weather in Koolbaai varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Koolbaai, focusing on differences in temperature, rainfall, humidity, and UV levels.
In July, the weather is noticeably warmer, with average temperatures reaching around 27°C (81°F) and maximums peaking at 29°C (84°F). The month experiences higher humidity levels at 83%, accompanied by significant precipitation of 83 mm (3.3 in) over 17 days. In contrast, January offers slightly cooler conditions, with temperatures averaging 25°C (78°F) and maximums of 27°C (81°F). The humidity is lower at 77%, and there's considerably less rainfall, totaling just 35 mm (1.4 in) over 14 days. For more details on January weather, check out Koolbaai weather in January.
In comparing the weather of July and February, it's clear that July tends to be warmer and more humid. July experiences average temperatures reaching up to 27°C (81°F), with a maximum of 29°C (84°F), while February sees slightly cooler averages with a maximum temperature of 26°C (80°F). Additionally, July has significantly higher precipitation, totaling 83 mm (3.3 in) over 17 days, compared to February's milder 35 mm (1.4 in) over just 11 days. The humidity in July is also higher at 83%, compared to February's 77%. For more detailed insights, check out Koolbaai weather in February.
In July, the weather is warmer and more humid compared to March. July sees minimum temperatures around 25°C (77°F) with an average of 27°C (81°F) and a maximum of 29°C (84°F), coupled with high humidity levels at 83%. In contrast, March offers slightly cooler temperatures, with a minimum of 22°C (73°F), an average of 25°C (77°F), and a maximum of 26°C (79°F). Additionally, July experiences significantly more rainfall, with 83 mm (3.3 in) over 17 days, whereas March only receives 27 mm (1.1 in) across 10 days. For more detailed information, you can check Koolbaai weather in March.
In July, the weather is typically warmer and more humid compared to April. The minimum temperature in July is around 25°C (77°F), peaking at 29°C (84°F), with an average of 27°C (81°F). In contrast, April sees slightly cooler temperatures ranging from 23°C (74°F) to a maximum of 27°C (81°F), with an average of 25°C (78°F). Additionally, July experiences significantly more rainfall, with 83 mm (3.3 in) over 17 days, while April records only 35 mm (1.4 in) across 11 days. Humidity levels in July are also higher, sitting at 83% compared to April’s 78%. For more details, check Koolbaai weather in April.
In comparison to May, July experiences slightly warmer temperatures, with average highs reaching 29°C (84°F) compared to May's 28°C (82°F). Both months exhibit high humidity levels; however, July's humidity is a touch higher at 83%, compared to 79% in May. Precipitation also sees a noticeable increase in July, with 83 mm (3.3 in) falling over 17 days, whereas May records only 49 mm (1.9 in) over 11 days. For more detailed insights into the weather during May, you can visit Koolbaai weather in May.
In comparing the weather between July and June, we observe that both months maintain similar average temperatures, with July showing slightly higher maximum temperatures at 29°C (84°F) compared to June's 28°C (83°F). Humidity levels remain quite high in both months, with July averaging 83% and June slightly lower at 81%. However, July experiences significantly more precipitation, totaling 83 mm (3.3 in) over 17 days, whereas June sees only 50 mm (2.0 in) over 14 days. For more detailed information on June weather, you can check Koolbaai weather in June.
In July, temperatures ranged from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), with an average of 27°C (81°F). The month saw a total precipitation of 83 mm (3.3 in) spread over 17 days, accompanied by a relatively high humidity level of 83%. In contrast, August maintained similar temperature patterns, with a minimum of 25°C (78°F) and an average of 28°C (82°F), while the maximum also reached 29°C (84°F). Precipitation slightly increased to 87 mm (3.4 in) over 16 rainy days, with humidity slightly decreasing to 82%. For more details about August weather, you can check Koolbaai weather in August.
In July, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), with an average of 27°C (81°F). The month sees an average precipitation of 83 mm (3.3 in) over 17 rainy days, accompanied by high humidity levels at 83%. In contrast, September experiences slightly higher average temperatures with a minimum of 25°C (77°F) and a peak of 29°C (85°F), averaging 28°C (82°F). However, it also sees a significant increase in rainfall, totaling 161 mm (6.3 in) over 22 days, while humidity remains relatively lower at 80%. For more detailed information, you can check Koolbaai weather in September.
In July, the weather features a minimum temperature of 25°C (77°F) and an average of 27°C (81°F), with maximum temperatures reaching 29°C (84°F). The month experiences 83 mm (3.3 in) of precipitation over 17 days and maintains a high humidity level of 83%. In contrast, October shares the same temperature values, with a minimum of 25°C (77°F), average of 27°C (81°F), and maximum of 29°C (84°F). However, October typically sees increased precipitation at 113 mm (4.5 in) across 18 days, and slightly lower humidity at 79%. For more detailed insights into the weather in October, you can check out Koolbaai weather in October.
In July, temperatures typically range from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), with an average of 27°C (81°F). The month is characterized by high humidity, averaging at 83%, and it experiences 83 mm (3.3 in) of precipitation over 17 days. In contrast, November shows a slightly lower temperature range, with a minimum of 24°C (76°F) and a maximum of 28°C (83°F), while maintaining the same average of 27°C (80°F). However, November sees increased precipitation at 96 mm (3.8 in), also spread over 17 days, and a slight decrease in humidity at 79%. For more detailed information, you can check Koolbaai weather in November.
July and December present slightly different weather characteristics. In July, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), with an average of 27°C (81°F). The month sees substantial rainfall, totaling 83 mm (3.3 in) over 17 days, and humidity levels are high at 83%. In contrast, December offers a bit cooler temperatures, with a minimum of 24°C (75°F) and a maximum of 28°C (82°F), averaging around 26°C (79°F). Rainfall in December is lower, amounting to 48 mm (1.9 in) across 16 days, and the humidity decreases slightly to 78%. For more detailed insights about December weather, you can check Koolbaai weather in December.
In July, Koolbaai experiences warm and moist conditions, with an average temperature that hangs comfortably around 27°C (81°F) and peaks at 29°C (84°F). This month marks a notable uptick in humidity at 83%, making the air feel quite sultry, especially compared to the breezer months of January to April. Additionally, July sees an increase in rainfall, with about 83 mm falling over 17 days—indicating a shift towards a more tropical climate. For detailed insights into year-round conditions, visit Koolbaai Climate.