Last updated: August 27, 2025
In July, Sint Maarten experiences a warm tropical climate characterized by a maximum temperature reaching 30°C (87°F) and an average low of 18°C (64°F). While the island enjoys pleasant weather, it also sees precipitation with about 69 mm (2.7 in) spread over 13 days. Humidity remains high at 80%, contributing to a sultry atmosphere that is typical for this time of year. Visitors should be prepared for both sunshine and the occasional summer rain, making July a vibrant yet unpredictable month on this Caribbean gem.
In July, temperatures in Sint Maarten, Netherlands, exhibit a notable warmth, with minimums around 12°C (53°F) and averages rising to 18°C (64°F). This month marks a gentle transition into the summer heat, reaching a maximum of 30°C (87°F). As the hottest month of the year, July offers a stark contrast to the chill of winter months—January and February, for example, see frigid lows of -3°C (27°F) and -6°C (21°F), respectively. Throughout the year, a clear upward trend emerges, with temperatures gradually increasing from the brisk winter months to the inviting warmth of summer. This seasonal shift invites both locals and travelers to enjoy the vibrant outdoor activities that the island has to offer under the sun.
In July, Sint Maarten experiences 69 mm (2.7 in) of precipitation, marking a continuation of the trend seen in the preceding months. With rain falling on 13 days, July maintains a steady rhythm of summer showers, slightly below the heavier downpours expected in August and October. This period represents a transitional phase, as the island prepares for the wetter months ahead, with August anticipated to see a notable increase in rainfall to 94 mm (3.7 in). Overall, July's conditions highlight a dynamic climate, balancing warm, sunny days with refreshing rain, setting the stage for the rainy season that follows.
In Sint Maarten, July marks a tipping point in humidity, as the levels drop to a comfortable 80%, the lowest of the year. This gradual decline from a hefty 87% in January and consistent high percentages throughout the early months of the year indicates a subtle shift towards drier conditions, paving the way for the summer months. The humidity continues to decrease through August, reaching 78%, before climbing again in the fall with 83% in September. This trend highlights an intriguing seasonal rhythm, where the island enjoys a brief respite from the persistent moisture, offering visitors a perfect time to explore its stunning beaches and vibrant culture.
In Sint Maarten, the July UV Index remains at a striking 8, signaling a very high exposure category that calls for caution. This reflects a trend that peaks in the summer months, with both June and July showcasing similar intensity, allowing only 15 minutes of sun exposure before burning risk escalates. As the year progresses, we observe a gradual increase in UV levels from a low index of 1 in January to the high readings in May and June. While August sees a slight dip to a 7, the preceding months remind sun-seekers of the need for protection against ultraviolet rays. To ensure safety while enjoying the sun-drenched beaches, check the full details at Sint Maarten UV Index.
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In Sint Maarten, July shines brightly with an impressive 426 hours of sunshine, marking it as one of the sunniest months of the year. Following a steady increase since January, where sunshine hours were just 113, there's a remarkable leap as spring transitions into summer. With a peak in June at 415 hours, July continues this upward trend, showcasing the allure of tropical warmth. Although August experiences a slight dip to 403 hours, the summer season remains vibrant. This consistent sunshine not only enhances the beauty of the island but also invites visitors to indulge in its captivating beaches and lively culture. As the year unfolds, the gradual decline in sunshine hours from September onward reminds us of the enchanting yet fleeting nature of summer in this Caribbean paradise.
July in Sint Maarten sees a 38% chance of sunny weather, making it one of the more favorable months for sunshine on the island. Although this figure is slightly lower than the peak sunniest months of April (41%) and June (40%), it still offers a great opportunity for sun-seekers. As the summer progresses, the likelihood of clear skies and warm sun remains consistent with August and the months preceding it, which hover around similar percentages. Meanwhile, September brings a dip to 31%, signaling a shift as the year approaches its cooler months. Overall, July strikes a delightful balance — perfect for beach outings and outdoor adventures, all while enjoying the vibrant culture of Sint Maarten.
In Sint Maarten, the month of July boasts a generous 16 hours of daylight, a continuation of the trend observed since June. As the summer peaks, these long sun-drenched days invite residents and visitors alike to indulge in the island's stunning landscapes and vibrant culture. From the shorter 8 hours in January to the gradual increase through winter and spring, the daylight hours rise steadily, reaching their zenith in summer. Following July, daylight begins to taper off with 14 hours in August and continues to decline towards 8 hours by November. This rhythmic cycle of light not only marks the changing seasons but also shapes the island's lively summer atmosphere, making it an ideal time for exploration and relaxation.
In July, Sint Maarten experiences a gentle breeze with an average wind speed of 4.9 m/s (11 mph), marking a subtle uptick after the calmer June winds. This increase in wind activity hints at the shifting weather patterns typical of mid-summer, as the island transitions towards the higher winds of August at 5.9 m/s. Remarkably, July's breeze provides a refreshing relief from the tropical heat, perfect for beachgoers and outdoor enthusiasts alike. Compared to earlier months, the wind builds on a gradual decline observed from April to June, showcasing nature's rhythm as the seasons ebb and flow on this enchanting Caribbean island.
Weather in Sint Maarten varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Sint Maarten, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January offer dramatically different weather conditions. In July, temperatures range from a mild 12°C (53°F) to a warm 30°C (87°F), with an average of 18°C (64°F). Humidity is high at 80%, and the month experiences 13 days of precipitation totaling 69 mm (2.7 in). In contrast, January brings much colder weather, with temperatures dropping to a minimum of -3°C (27°F) and peaking at 12°C (53°F), averaging around 5°C (42°F). The humidity in January is slightly higher at 87%, and it receives a similar level of rainfall, with 62 mm (2.4 in) over the same number of days. For a more detailed look at January's weather, check out the following link: Sint Maarten weather in January.
July and February present contrasting weather patterns. July boasts warmer temperatures, with a minimum of 12°C (53°F) and a maximum of 30°C (87°F), while February sees much colder conditions, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 14°C (58°F). Both months experience similar levels of precipitation—69 mm (2.7 in) in July and 71 mm (2.8 in) in February—but July has slightly more humidity at 80%, compared to February's 87%. For those looking to learn more about the weather in February, you can explore more details here: Sint Maarten weather in February.
In comparing the weather of July and March, we see a significant contrast in temperatures and overall conditions. July experiences much warmer temperatures, ranging from a minimum of 12°C (53°F) to a maximum of 30°C (87°F), with an average of 18°C (64°F), while March's temperatures are notably cooler, with a low of -7°C (20°F) and a high of 15°C (60°F), averaging only 6°C (44°F). Additionally, both months have similar precipitation levels, with July recording 69 mm (2.7 in) and March slightly lower at 67 mm (2.6 in), each seeing around 13 days of rainfall. However, the humidity in July is slightly lower at 80% compared to March's 86%. For more insights on March weather, visit Sint Maarten weather in March.
When comparing the weather in July and April, significant differences emerge. July boasts a much wider temperature range, with a minimum of 12°C (53°F), an average of 18°C (64°F), and a maximum reaching 30°C (87°F). This warmer month experiences higher humidity levels at 80% and receives 69 mm (2.7 in) of precipitation over approximately 13 days. In contrast, April is cooler, with a minimum of 2°C (36°F), an average temperature of 9°C (48°F), and a maximum of 23°C (74°F). It sees less rainfall, totaling 37 mm (1.5 in) across about 8 days, and has a slightly higher humidity of 85%. For a detailed look at Sint Maarten's weather in April, you can visit Sint Maarten weather in April.
In comparing the weather of July and May, we see a noticeable shift in temperature and precipitation patterns. July features a broader temperature range, with minimum temperatures around 12°C (53°F) and maximums reaching up to 30°C (87°F), resulting in an average temperature of 18°C (64°F). In contrast, May has cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 26°C (79°F), giving it an average of 12°C (54°F). While both months experience a fair amount of rainfall, July sees more precipitation at 69 mm (2.7 in) spread over 13 days compared to May's 44 mm (1.7 in) over 9 days. Humidity remains relatively high in both months, with July at 80% and May slightly higher at 84%. For a more detailed look at May's climate, you can visit Sint Maarten weather in May.
In comparing the weather between June and July, July tends to be slightly warmer, with average temperatures rising to 18°C (64°F), compared to June's average of 16°C (61°F). The maximum temperatures in July also peak at 30°C (87°F), just above June's 29°C (84°F). Interestingly, both months have similar precipitation levels, with July at 69 mm (2.7 in) and June at 66 mm (2.6 in), though July sees rainfall on more days, totaling 13 compared to June's 10 days. Humidity remains relatively stable, with July at 80% and June at 81%. For more details on June weather, check out Sint Maarten weather in June.
In comparing the weather conditions of July and August, both months exhibit similar minimum temperatures around 12°C (53°F-54°F) and average temperatures hovering at about 18°C (64°F-65°F). However, August experiences a slight decrease in maximum temperature, peaking at 29°C (84°F) compared to July's 30°C (87°F). Precipitation increases notably in August, with a total of 94 mm (3.7 in) over 15 rainy days, compared to July's 69 mm (2.7 in) across 13 days. Humidity remains relatively consistent, slightly dropping from 80% in July to 78% in August. For more detailed information, you can check Sint Maarten weather in August.
In comparing the weather of July and September, there are notable differences in temperature and precipitation. July experiences a warmer climate with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 30°C (87°F), while September sees cooler averages, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 25°C (78°F). Precipitation is slightly higher in September, totaling 92 mm (3.6 in) over 12 days, compared to July's 69 mm (2.7 in) over 13 days. Additionally, humidity remains quite high in both months, at 80% in July and 83% in September, contributing to the overall dampness of the late summer weather. For further insights on September's climate, check out Sint Maarten weather in September.
In July, the weather is warm and relatively humid, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 30°C (87°F). During the month, the region experiences about 69 mm (2.7 in) of precipitation over 13 days, making it a somewhat wet month. In contrast, October brings cooler temperatures, with averages ranging from 5°C (41°F) to a maximum of 23°C (73°F). It also sees increased rainfall, with 117 mm (4.6 in) spread over 17 days, and a slight uptick in humidity at 86%. This shift to cooler and wetter conditions is notable, making October distinctly different from the warmer July weather. For more detailed insights on October weather, visit Sint Maarten weather in October.
In comparing the weather between July and November, a striking difference in temperature is evident. July typically enjoys warmer conditions with average temperatures ranging from 12°C (53°F) to 30°C (87°F) and an overall average of 18°C (64°F). In contrast, November sees cooler temperatures, with averages from 1°C (35°F) to 17°C (62°F) and an overall average of 9°C (48°F).
Precipitation levels are similar in both months, with July receiving 69 mm (2.7 in) over 13 days, while November has slightly more frequent rainfall, totaling 68 mm (2.7 in) across 15 days. Additionally, humidity levels tend to be higher in November at 87%, compared to July's 80%.
For further details on monthly weather patterns, check out Sint Maarten weather in November.
When comparing the weather in July and December, a stark contrast emerges. July boasts warmer temperatures, with a minimum of 12°C (53°F) and an average of 18°C (64°F), reaching a maximum of 30°C (87°F). In contrast, December experiences much colder conditions, with temperatures plummeting to a minimum of -2°C (28°F) and averaging only 7°C (44°F). Moreover, precipitation in December is higher, totaling 106 mm (4.2 in) over 18 days, compared to July's 69 mm (2.7 in) and 13 days of rain. Humidity levels are slightly elevated in December at 86%, while July sees a humidity of 80%. For more details on December weather, check out Sint Maarten weather in December.
In July, Sint Maarten experiences a warm embrace, characterized by higher temperatures that typically reach up to 30°C (87°F). This month stands out with increased humidity and notable precipitation, resulting in a dynamic atmosphere that contrasts with the cooler, drier months earlier in the year. With 13 days of rain and an average of about 69 mm of precipitation, July often brings the island's tropical vibe to life, making it a unique experience for visitors. To dive deeper into the island's diverse climate throughout the year, check out Sint Maarten Climate.