Last updated: August 28, 2025
August in Charlotte Amalie, Virgin Islands (U.S.) offers a warm tropical experience, with maximum temperatures reaching up to 29°C (85°F) and an average of 28°C (82°F). The minimum temperature hovers around 25°C (78°F), providing a pleasantly warm atmosphere for visitors. However, be prepared for the humidity, which can feel quite high at 80%, and anticipate rainfall, as August averages 110 mm (4.3 in) of precipitation over approximately 18 days. Despite the occasional showers, the vibrant culture and stunning scenery of Charlotte Amalie make it an alluring summer destination.
In August, Charlotte Amalie, Virgin Islands, basks in warm tropical temperatures, with minimums averaging 25°C (78°F) and highs peaking at around 29°C (85°F). This month reflects a notable trend of consistent warmth that builds through the summer, as the average temperature rises to 28°C (82°F). As the last full month of summer, August showcases a slight increase from July's figures, emphasizing a steady transition toward the hotter part of the year. With minimal fluctuation in daily temperatures, visitors can expect balmy days perfect for enjoying the stunning beaches and vibrant local culture under a sun-drenched sky.
August marks a significant peak in precipitation for Charlotte Amalie, Virgin Islands, where the average rainfall reaches 110 mm (4.3 in), intensifying the tropical atmosphere as the island transitions from summer to fall. With 18 days of rainfall, residents and visitors alike experience a mix of sunny moments punctuated by refreshing showers. This uptick in precipitation is part of a broader trend, as rainfall gradually increases from the earlier months, culminating in even heftier drops during September, which often sees 161 mm (6.3 in). The lush landscapes flourish during this time, turning the island into a vibrant oasis that embraces the moisture, while still allowing time for outdoor adventures amid the rain-soaked beauty.
In August, Charlotte Amalie, Virgin Islands (U.S.) experiences a peak in humidity levels, reaching 80%. This marks a continuation of the upward trend seen from July, where humidity also hits 80%, indicating the peak of summer's sultry embrace. As the year progresses from the cooler months of January to April, humidity steadily decreases, hovering between 74% and 76%. However, the arrival of summer in June brings an increase, culminating in the high readings of July and August. Following this, September shows a slight dip to 79%, hinting at a gradual transition towards more comfortable conditions as the year winds down. Overall, the data highlights a distinct seasonal pattern, with the warmest months consistently bringing higher humidity levels, characteristic of tropical climates.
In August, Charlotte Amalie, Virgin Islands, experiences a notably high UV Index of 13, categorizing it within the extreme exposure range, with a burn time of just 10 minutes. This trend of elevated UV levels persists throughout the summer months, alongside June and July, which also hold steady at 13. The UV Index peaks slightly in September at 14, reminding visitors to prioritize sun safety as they enjoy the sun-soaked environment. Notably, the year begins with a lower index in January and November at 9, while the colder months show a gradual decline, with December hitting 8. For those planning outdoor activities, it’s essential to stay informed about these trends and adjust sun protection measures accordingly. Explore more details about the UV levels throughout the year at Charlotte Amalie UV Index.
UV Risk Categories
In August, Charlotte Amalie basks in the warm glow of around 347 hours of sunshine, making it a delightful destination for sun-seekers. This month stands out as a part of a sun-drenched summer, with sunshine peaking in May at a remarkable 358 hours. Following a slight dip in June and July, August maintains a robust sunlight presence, overshadowed only by the vibrant months of spring. As the year progresses, the hours of sunlight gradually recede, particularly in the fall, with September and October seeing 319 and 316 hours respectively. Despite the seasonal decline, August clearly showcases the exhilarating warmth and brilliance that defines life in the Virgin Islands, enticing visitors to soak up the sun before the days shorten.
In August, the chance of sunny weather in Charlotte Amalie, Virgin Islands (U.S.) dips to 45%, marking a continuation of a trend observed through the summer months. Following a 24% likelihood of sun in June and 47% in July, August’s average suggests an unpredictable blend of sun and clouds. This period lies in stark contrast to the earlier months of the year, where sunshine reigns more consistently—January sees 56%, while February and March enjoy peaks at 73% and 71% respectively. As the summer rolls into fall, Charlotte Amalie thrives on the edge of tropical showers, making a chance encounter with sunshine a delightful surprise amidst the heat.
In Charlotte Amalie, Virgin Islands, August enjoys about 12 hours of daylight, continuing the trend of abundant sunshine typical of the region. As the summer months approach their end, daylight peaks at 13 hours in June and July, inviting longer days of exploration and relaxation. Following the summer, daylight gradually decreases as autumn approaches, reverting to 11 hours by October. The steady pattern of daylight hours throughout the year reflects the tropical rhythm of this beautiful destination, where travelers can bask in ample sunlight, regardless of the season.
In August, the wind in Charlotte Amalie, U.S. Virgin Islands, dances gracefully at an average speed of 7.2 m/s (16 mph), mirroring the gentle breezes of the previous months. Notably, this marks a slight dip from the more vigorous gusts seen in July, which reached 8.3 m/s (18 mph). Throughout the summer, wind speeds have remained comfortably breezy, oscillating between the mid-teens and the upper teens m/s. As we transition into the autumn months, a downward trend becomes apparent, beginning with September's forecast of 5.4 m/s (12 mph), suggesting a soothing calm that often accompanies the changing seasons.
Weather in Charlotte Amalie varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Charlotte Amalie, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between August and January, we observe that August is significantly warmer and wetter. August boasts an average temperature of 28°C (82°F), with highs reaching up to 29°C (85°F), while January experiences milder conditions, averaging 25°C (78°F) and peaking at 27°C (80°F). Additionally, August sees a much higher precipitation level at 110 mm (4.3 in) over 18 days, compared to January’s more manageable 32 mm (1.3 in) over just 13 days. The humidity in August is also notably higher at 80%, compared to January's 76%. For detailed insights into January's weather, you can visit Charlotte Amalie weather in January.
In August, the weather is noticeably warmer and more humid, with average temperatures around 28°C (82°F) and high humidity levels of 80%. Rainfall is also significant during this month, with about 110 mm (4.3 in) of precipitation spread across 18 days. In contrast, February features milder temperatures, with a daily average of 25°C (77°F) and lower humidity at 75%. Precipitation is minimal in February, accumulating to just 31 mm (1.2 in) over 11 days. For a more detailed look at the weather in February, you can check Charlotte Amalie weather in February.
August and March exhibit distinct differences in weather patterns. August tends to be warmer, with average temperatures around 28°C (82°F) and maximums reaching 29°C (85°F), while March features slightly cooler temperatures, averaging 25°C (77°F) with maximums of 26°C (80°F). Additionally, August experiences significantly higher precipitation, with 110 mm (4.3 in) falling over 18 days, compared to March's lighter rainfall of 38 mm (1.5 in) over 11 days. This difference also contributes to increased humidity in August, averaging 80%, compared to March's 74%. For more detailed insights, check out Charlotte Amalie weather in March.
In comparing the weather of August and April, August generally experiences warmer temperatures, with nightly lows around 25°C (78°F) and daytime highs reaching up to 29°C (85°F). In contrast, April sees slightly cooler temperatures, with minimums around 23°C (73°F) and a maximum of 27°C (82°F). Precipitation is more frequent in August, occurring on 18 days and accumulating about 110 mm (4.3 in), whereas April has only 9 days of rain with a much lower total of 40 mm (1.6 in). Additionally, humidity levels in August are higher at 80%, compared to 75% in April, creating a more tropical feel in the latter summer month. For more details, you can check Charlotte Amalie weather in April.
When comparing the weather in August and May, one can observe some notable differences. August typically experiences slightly higher temperatures, with minimums around 25°C (78°F) and average highs reaching 29°C (85°F). In contrast, May’s temperatures are a bit cooler, with averages around 26°C (79°F) and maximums peaking at 28°C (83°F). Additionally, August sees significantly more rainfall, with an average precipitation of 110 mm (4.3 in) over 18 days, while May has only 58 mm (2.3 in) of rain across 13 days. Humidity is also higher in August at 80%, compared to 75% in May. For more insights, you can check Charlotte Amalie weather in May.
In comparing the weather between June and August, both months experience warm temperatures, but August tends to be slightly warmer with an average of 28°C (82°F) compared to June's 27°C (81°F). While the maximum temperatures are similar at 29°C (84°F in June and 85°F in August), August sees an increase in precipitation, averaging 110 mm (4.3 in) over 18 days, whereas June has just 62 mm (2.4 in) over 16 days. Humidity is also slightly higher in August at 80%, compared to 77% in June, making August feel a bit more humid. For more detailed insights, you can check Charlotte Amalie weather in June.
When comparing the weather in August and July, both months exhibit warm temperatures, but August tends to be slightly warmer on average, with minimum temperatures consistently at 25°C (78°F) and average temperatures reaching 28°C (82°F), compared to July's average of 27°C (82°F). Interestingly, August experiences more rainfall, totaling 110 mm (4.3 in) over 18 days, while July sees less precipitation at 92 mm (3.6 in) over 19 days. Despite this, both months maintain a consistent humidity level of 80%, contributing to the tropical climate. For a more detailed look at July's weather, you can check Charlotte Amalie weather in July.
In comparing the weather patterns of August and September, both months exhibit similar temperature ranges, with minimums around 25°C (77°F), averages at 28°C (82°F), and maximums peaking at 29°C (85°F). However, September is notably wetter, with total precipitation reaching 161 mm (6.3 in) over 19 days, compared to August's 110 mm (4.3 in) spread across 18 days. Additionally, humidity levels slightly decrease in September to 79%, down from August's 80%. For a more detailed look at the weather in September, you can visit Charlotte Amalie weather in September.
Comparing the weather in August and October reveals some notable similarities and differences. In August, temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), with an average temperature of 28°C (82°F). The month experiences considerable precipitation, totaling 110 mm (4.3 in) over 18 days, and humidity levels are quite high at 80%. In contrast, October also sees a minimum temperature of 25°C (77°F) and a maximum of 29°C (85°F), but the average temperature slightly decreases to 27°C (82°F). Precipitation increases to 133 mm (5.2 in) over 17 days, while humidity dips slightly to 78%. For more details on October weather, you can check Charlotte Amalie weather in October.
In comparing the weather between August and November, both months feature warm temperatures, but August is slightly warmer overall. In August, temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), with an average of 28°C (82°F). By contrast, November experiences a minimum of 24°C (76°F), an average of 27°C (80°F), and a maximum of 28°C (83°F). Precipitation levels are also similar, with August receiving 110 mm (4.3 in) over 18 days, while November has 106 mm (4.2 in) across 17 days. Humidity is marginally higher in August at 80% compared to 78% in November, making the latter a bit more comfortable. For more specific details, you can refer to Charlotte Amalie weather in November.
In August, the weather is typically warmer and more humid, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (85°F) and an average of 28°C (82°F). This month also experiences higher precipitation levels, with 110 mm (4.3 in) and rain on 18 days. In contrast, December offers a slightly cooler climate, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (83°F) and an average of 26°C (79°F). Precipitation is significantly reduced in December to 50 mm (2.0 in), with rain on 16 days, and humidity is also lower at 76%. For more information on December weather, you can check Charlotte Amalie weather in December.
August in Charlotte Amalie brings a blend of warm temperatures and high humidity, making it feel quite different from other months. With daily highs around 29°C (85°F) and averages settling at 28°C (82°F), visitors can expect the tropical warmth that the Virgin Islands are known for. However, the increase in precipitation this month, with about 110 mm (4.3 in) falling over 18 days, introduces a layer of variability that isn’t present in the drier months. This combination of warmth and moisture creates a lush environment, perfect for experiencing the vibrant local flora, but also necessitates a little extra preparation for sudden rain. To learn more about what to expect throughout the year, check out the full details at Charlotte Amalie Climate.