Last updated: October 31, 2025
October in Gustavia, Saint Barthélemy offers a tropical paradise with average temperatures hovering around 27°C (81°F), peaking at a warm 29°C (85°F) and dipping to a cozy 25°C (77°F) at night. While this idyllic setting is perfect for outdoor adventures, be prepared for some rain, as the island experiences about 113 mm (4.4 in) of precipitation over 19 days. The humidity level remains high at 79%, enhancing the lush, vibrant atmosphere of this Caribbean gem. Whether you're lounging on the beach or exploring local culture, October provides a delightful climate for all.
In Gustavia, Saint Barthélemy, October sees a delightful blend of warmth and comfort, with temperatures reflecting the transition from summer to autumn. The month features a minimum of 25°C (77°F) and peaks at 29°C (85°F), maintaining an average of 27°C (81°F). This gradual rise in warmth from previous months, where averages hovered around the 28°C mark, signals the lingering tropical vibes before the onset of cooler weather. With consistently warm nights and sunny days, October offers the perfect backdrop for beach outings and evening strolls, making it a great time for visitors to indulge in the island's enchanting atmosphere. Overall, the temperature patterns reveal the inviting warmth of this Caribbean paradise, appealing to those seeking a taste of island life.
In October, Gustavia, Saint Barthélemy experiences a notable spike in rainfall, with 113 mm (4.4 in) of precipitation accumulated over 19 days. This marks a significant decline from the torrential 152 mm (6.0 in) seen in September, yet it remains one of the wetter months of the year. The trend of increasing precipitation begins in the summer, peaking through September, before gradually tapering off in November. October’s mix of rain-soaked days suggests a transition period, where the island's lush landscapes thrive, setting the stage for the drier months that follow, making it an intriguing time for both nature enthusiasts and travelers alike.
In October, the humidity in Gustavia, Saint Barthélemy settles at a comfortable 79%, striking a balance as the island transitions from the more humid summer months. Following a peak of 83% in July, humidity levels drop slightly but remain elevated compared to the drier winter months. This trend showcases a gradual decrease from the summer's swelter, while still retaining a tropical warmth that characterizes the Caribbean climate. The consistent high humidity levels throughout the year, particularly in the mid-summer months, set the tone for October's pleasant, yet slightly sticky atmosphere, ensuring visitors still experience the lush beauty of this island paradise.
In October, Gustavia experiences a UV Index of 12, categorizing it as extreme with a burn time of just 10 minutes. This reflects a slight decrease from the scorching 13 recorded during the peak summer months from March to September, underscoring the consistently intense sun exposure typical of the region. As winter approaches, November's index reduces to 9, moving back to the very high category, while the prior months remain firmly in the extreme range. Overall, this trend highlights the need for sun protection throughout the year, especially in the intense summer and early fall months. For more detailed insights, check out the Gustavia UV Index.
UV Risk Categories
In October, Gustavia, Saint Barthélemy, basks in an inviting 321 hours of sunshine, marking a gentle transition from the summer's peak brilliance. Following the sun-drenched heights of July, which boasts an impressive 364 hours, the island experiences a slight dip in daylight as it moves into the autumn months. However, October’s sunlight remains abundant, just slightly less than the vibrant September with 323 hours. This consistency in luminous days, particularly when compared to the preceding month, ensures that visitors can still relish the idyllic beaches and enchanting landscapes, making it an ideal time for leisurely outdoor adventures and vibrant sunsets. As the year draws toward its end, October’s sun provides a warm embrace, inviting all to unwind in this tropical paradise.
As October rolls into Gustavia, Saint Barthélemy, the chance of sunny weather settles at a comfortable 57%, mirroring January's outlook and maintaining a consistent trend from the preceding months. This means that while the island may see its fair share of cloudy days, there’s still a solid possibility of golden sunshine for beachgoers and outdoor enthusiasts. Interestingly, following the peak summer months, where the chance of sun dips to 25% in June, the weather begins to bounce back, creating an inviting atmosphere in the early fall. As November approaches, the likelihood of sun increases to 67%, signaling a gradual return to the sun-drenched days that the Caribbean is famous for. Overall, October offers a promising blend of sun and shade, perfect for planning that dream getaway!
In October, daylight in Gustavia, Saint Barthélemy, sees a return to approximately 11 hours, mirroring the consistent pattern observed in January, February, November, and December. Following the sun-soaked days of June and July, which boast up to 13 hours of daylight, October marks a gentle tapering off, seamlessly transitioning from the vibrant summer months to the calmer autumn season. This rhythm reflects the island’s tropical climate, where daylight duration remains relatively stable throughout the year, providing a unique blend of sun-drenched days and tranquil ambiance for residents and visitors alike.
In October, Gustavia experiences a gentle breeze, with an average wind speed of 6.2 m/s (14 mph). This marks a subtle dip from the lively gusts of September, which saw the lowest winds for the year at 5.3 m/s (12 mph). As we transition into the cooler months, October's winds remain mild but hint at the approaching uptick in strength typical for the end of the year. The winds begin to pick up again in November and December, where they rise back to around 6.1 m/s (14 mph) and 8.0 m/s (18 mph), respectively. This pattern reflects a consistent trend in Gustavia, where the winds typically vary, building gradually toward the end of the year after a lull in the earlier fall months. As October unfolds, the calm breezes offer a delightful ambiance for visitors and residents alike, setting the stage for the more robust maritime influences of the upcoming months.
Weather in Gustavia varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Gustavia, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather is generally warmer and wetter, with average temperatures reaching 27°C (81°F) and a high of 29°C (85°F). This month experiences significant precipitation, averaging 113 mm (4.4 in) over 19 days, and humidity levels hover around 79%. In contrast, January offers slightly cooler conditions, with average temperatures dropping to 25°C (78°F) and a maximum of 27°C (81°F). Precipitation is much lower during this month, totaling just 35 mm (1.4 in) across 13 days, and the humidity is marginally less at 77%. For more details on January weather, you can visit Gustavia weather in January.
October and February present notable differences in weather conditions. October typically exhibits warmer temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), reaching a maximum of 29°C (85°F). In contrast, February is slightly cooler, featuring a minimum of 22°C (72°F) and an average of 25°C (77°F), with a maximum of 26°C (80°F). Precipitation also varies significantly; October sees a substantial 113 mm (4.4 in) over 19 days, while February has only 35 mm (1.4 in) across 11 days, contributing to a generally drier atmosphere. Humidity levels remain similar, with October at 79% and February at 77%. For more detailed information, you can check Gustavia weather in February.
October and March offer distinct weather experiences. In October, temperatures tend to be warmer, with a minimum of 25°C (77°F) and an average of 27°C (81°F), peaking at 29°C (85°F). The month is also marked by substantial rainfall, averaging 113 mm over 19 days and accompanied by a humidity level of 79%. In contrast, March features milder temperatures, with a minimum of 22°C (73°F) and a maximum of 26°C (79°F), culminating in an average of 25°C (77°F). The precipitation is significantly lower at 27 mm over just 10 days, while humidity remains slightly lower at 77%. For more details, check out Gustavia weather in March. Overall, March offers a drier and cooler climate compared to the warm, wet conditions typical of October.
In comparing the weather conditions of October and April, October tends to be slightly warmer with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F). In contrast, April's temperatures are a bit cooler, with a minimum of 23°C (74°F) and a peak of 27°C (81°F). October also experiences significantly more rainfall, with 113 mm (4.4 in) of precipitation over 19 days, while April receives only 34 mm (1.3 in) across 11 days. Despite these differences, both months maintain a high humidity level, hovering around 78-79%. For more detailed information on the weather in April, you can visit Gustavia weather in April.
In comparing the weather of October and May, October tends to be slightly warmer with an average temperature of 27°C (81°F) and maximum highs reaching 29°C (85°F), while May's average is a bit cooler at 26°C (79°F) with maximums of 28°C (82°F). Additionally, October experiences significantly more rainfall, receiving 113 mm (4.4 in) over 19 days, compared to May's more moderate precipitation of 47 mm (1.8 in) across 12 days. Despite both months having a humidity level of 79%, October's increased rainfall makes it feel more humid and damp overall. For more information on May's weather specifics, check out Gustavia weather in May.
In comparing the weather of October and June, both months share similar average temperatures, with October slightly warmer, peaking at 29°C (85°F) compared to June's maximum of 28°C (84°F). However, October experiences significantly higher precipitation, totaling 113 mm (4.4 in) over 19 days, while June is relatively drier with only 49 mm (1.9 in) across 14 days. Humidity levels are quite comparable, with October at 79% and June slightly higher at 81%. For a closer look at the conditions in June, you can check Gustavia weather in June.
October and July exhibit similar temperature ranges, with both months having a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (84-85°F). However, October experiences slightly more rainfall, totaling 113 mm (4.4 in) over 19 days, compared to July's 80 mm (3.2 in) over 17 days. This results in October being a bit wetter, while July has slightly higher humidity at 83% compared to October's 79%. For more details about the weather conditions during July, you can check out Gustavia weather in July.
October weather in Gustavia is characterized by slightly cooler temperatures compared to August, with an average of 27°C (81°F) versus 28°C (82°F). Both months experience similar maximum temperatures, but October sees an increase in rainfall, totaling 113 mm (4.4 in) over 19 days, compared to August's 86 mm (3.4 in) over 16 days. Furthermore, humidity levels are slightly lower in October at 79%, compared to 82% in August. For more detailed information, check out Gustavia weather in August.
October weather exhibits a slight decrease in average temperature compared to September, with October’s average at 27°C (81°F) versus September’s 28°C (82°F). Both months share similar maximum temperatures, yet October experiences a reduction in precipitation, receiving 113 mm (4.4 in) over 19 days, compared to September’s 152 mm (6.0 in) over 22 days. Humidity levels remain high in both months, with October at 79% and September slightly higher at 80%. For a detailed look at weather patterns in September, you can refer to Gustavia weather in September.
October and November exhibit similar weather patterns, but with some notable differences. In October, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), while November sees slightly cooler temperatures, with a minimum of 24°C (76°F) and a maximum of 28°C (83°F). Precipitation also declines from 113 mm (4.4 in) over 19 days in October to 95 mm (3.8 in) across 17 days in November. Both months maintain a consistent humidity level of 79%, reinforcing the tropical climate. For a closer look at November weather in Gustavia, visit Gustavia weather in November.
In October, the weather is characterized by warmer temperatures, with a minimum of 25°C (77°F) and an average high of 29°C (85°F), along with significantly higher precipitation of 113 mm (4.4 in) across 19 days. The humidity level is relatively high at 79%. In contrast, December experiences slightly cooler temperatures, ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), and considerably less rainfall at just 48 mm (1.9 in) over 17 days, with humidity remaining similar at 78%. For more details, visit Gustavia weather in December.
In October, Gustavia experiences a transition where temperatures remain warm with an average of 27°C (81°F), but rainfall becomes more prominent, with nearly 19 days of precipitation. This is a marked shift from the drier summer months, making October one of the wetter times of the year, characterized by an elevated humidity of 79%. As the landscape flourishes with the rain, visitors can expect a lush backdrop despite the occasional shower. For a deeper understanding of how Gustavia's weather evolves throughout the year, check out Gustavia Climate.