Last updated: August 31, 2025
Experience the tropical charm of Charlestown, Saint Kitts and Nevis in August, where the weather offers a delightful blend of warmth and moisture. With maximum temperatures reaching 29°C (84°F) and an average around 27°C (82°F), the days are pleasantly warm. Expect a comfortable minimum of 25°C (77°F) during the nights, making for ideal evening strolls. However, prepare for some rainy days, as the month sees approximately 94 mm (3.7 in) of precipitation over 16 days, complemented by a humidity level of 82%. Whether you're soaking up the sun or enjoying the refreshing rain, August in Charlestown promises a vibrant tropical experience.
In August, Charlestown, Saint Kitts and Nevis basks in warm tropical bliss, with temperatures showcasing a consistent trend of warmth synonymous with its summer season. The minimum temperature reaches a comfortable 25°C (77°F), while the average settles around 27°C (82°F). Daily highs can soar to 29°C (84°F), reflecting the peak of summer heat. This pattern marks a slight increase compared to preceding months, such as July, which recorded similar averages but with slightly lower maximums. As summer progresses, August's warmth invites visitors to enjoy lush beaches and vibrant local culture, ensuring an unforgettable experience bathed in sunshine.
In August, Charlestown, Saint Kitts and Nevis experiences a noticeable surge in rainfall, marking it as one of the wettest months of the year. With an impressive 94 mm (3.7 in) of precipitation occurring over 16 days, the island's lush landscape thrives in this humid environment. This uptick from 76 mm (3.0 in) in July indicates a shift toward the tail end of the rainy season, foreshadowing the even heavier downpours expected in September. Interestingly, while the rainfall increases significantly, the number of precipitation days only slightly fluctuates, suggesting that when it rains in August, it often pours. Such patterns not only highlight the shift in climate but also emphasize the importance of water management in this vibrant region as it prepares for the months ahead.
In August, Charlestown, Saint Kitts and Nevis, experiences a humidity level of 82%, slightly decreasing from the peak 83% in July but still reflective of the region's tropical climate. Throughout the year, humidity begins at a steady 77% from January to March, gradually rising to a warm 79% by May. The summer months see a marked increase, with June and July showcasing the highest levels of moisture in the air, accentuating the heat of the season. As summer transitions into early fall, humidity levels begin to ease slightly, dropping to 80% in September before stabilizing around 79% to 78% for the remainder of the year. This trend highlights the characteristic warmth and moisture of Charlestown’s climate, making it a typical tropical paradise.
In August, the UV Index in Charlestown, Saint Kitts and Nevis, remains at a consistent 13, categorizing it in the extreme exposure range, with a burn time of just 10 minutes. This trend of a persistently high UV Index is evident from March through September, where residents and visitors alike must remain vigilant against sun exposure. The peak of summer brings these intense UV levels, urging individuals to take necessary precautions to protect their skin and health. As the year progresses, UV ratings taper down in October, but the consistent intensity from March through August highlights the tropical climate's power. For detailed UV forecasts and tips, check out Charlestown UV Index.
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August in Charlestown, Saint Kitts and Nevis is a sun-drenched delight, boasting 352 hours of bright sunshine. This month continues the trend of long, sun-filled days that peaks in the summer, following July's remarkable 362 hours. With a slight dip from July, August still holds a generous amount of sun, comparable to the sunny months preceding it. As summer transitions into fall, September sees a decrease to 322 hours, hinting at the gradual shading of the year. Overall, the consistent high sun hours from May through August underscore the region's appeal as a sought-after destination for sun seekers and beach lovers alike.
In Charlestown, Saint Kitts and Nevis, the likelihood of sunny weather in August stands at 46%, reflecting a slight dip compared to the summer months, where July boasts a 47% chance. While this percentage may suggest a typical tropical pattern, it follows a trend of variable sunshine, particularly evident with June's low of just 24%. Looking at the broader picture, the chances of sunny days gradually improve as the year progresses, climbing notably to 60% in September and peaking in the higher months of the year like February and November. This pattern indicates that while August may not be the sunniest month, the overall trend offers a balanced mix of sun and occasional clouds, making it an appealing time for visitors seeking both warmth and the lush beauty of the island.
In Charlestown, Saint Kitts and Nevis, August marks a subtle shift in daylight duration, offering about 12 hours of sunlight each day. This month holds steady alongside September, following a brief peak in June and July, when the days stretched to 13 hours. The gradual tapering from the longer days of summer leads into the shorter daylight hours of the autumn months, with October seeing a reduction to 11 hours. The pattern reveals a rhythmic progression of sunlight throughout the year, highlighting the island's tropical climate where daylight remains relatively consistent, but with noticeable variations that resonate with the changing seasons.
In August, Charlestown, Saint Kitts and Nevis experiences an average wind speed of 7.2 m/s (16 mph), which mirrors the calmer conditions of January. This trend marks a slight decrease from the brisk winds of the preceding summer months, namely July, which boasts an average of 8.4 m/s (19 mph). Following this slight dip, wind speeds plummet in September to just 5.2 m/s (12 mph), signaling a transition into the quieter months of the year. Overall, August stands as a gentle reminder of summer’s gradual farewell, maintaining a balanced serenity before the winds further slacken in the upcoming weeks.
Weather in Charlestown varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Charlestown, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present notably different weather conditions. In August, temperatures are warmer, with averages around 27°C (82°F) and maximums reaching 29°C (84°F). The month is also characterized by higher humidity at 82% and substantial precipitation, averaging 94 mm (3.7 in) over 16 rainy days. In contrast, January offers slightly cooler temperatures, averaging 25°C (78°F) with maximums of 27°C (81°F). The precipitation is much less in January, totaling only 35 mm (1.4 in) across 13 days, accompanied by a lower humidity level of 77%. For more details about January weather, visit Charlestown weather in January.
When comparing the weather in August and February, August tends to be warmer and more humid. In August, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), with an average of 27°C (82°F). This month experiences significant rainfall, totaling 94 mm (3.7 in) across 16 days, and a high humidity level of 82%. In contrast, February sees slightly cooler temperatures, with a minimum of 22°C (72°F) and a maximum of 27°C (80°F), averaging around 25°C (77°F). Precipitation in February is much lighter at 35 mm (1.4 in) over 11 days, accompanied by a lower humidity of 77%. For more details, you can check out Charlestown weather in February.
August weather tends to be warmer and more humid compared to March. In August, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), with an average of 27°C (82°F). This month also sees higher precipitation with 94 mm (3.7 in) spread over 16 days and humidity levels around 82%. In contrast, March experiences milder temperatures, from a minimum of 22°C (73°F) to a maximum of 26°C (80°F), with an average of 25°C (77°F). The rainfall is significantly lower at 27 mm (1.0 in) over 9 days, and humidity is comparatively less at 77%. For a detailed look at March weather, you can visit Charlestown weather in March.
In comparing the weather conditions of August and April, we observe that August is generally warmer, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), compared to April’s milder range with minimums of 23°C (74°F) and maximums of 27°C (82°F). Additionally, August experiences significantly higher precipitation, totaling 94 mm (3.7 in) over 16 days, while April sees only 38 mm (1.5 in) across 13 days. The humidity is also slightly higher in August at 82%, compared to April's 78%. For more detailed information about April's weather in Charlestown, you can check Charlestown weather in April.
In comparing the weather between August and May, both months exhibit warm temperatures, with August slightly warmer, featuring an average temperature of 27°C (82°F) compared to May's 26°C (79°F). The minimum temperatures are quite similar, with May starting at 24°C (75°F) and August at 25°C (77°F). However, August experiences higher humidity at 82%, which can make it feel more uncomfortable than May's humidity level of 79%. Additionally, August receives significantly more precipitation, with 94 mm (3.7 in) over 16 days, whereas May has only 50 mm (2.0 in) across 14 days. For more detailed insights into May’s climate, check out Charlestown weather in May.
In comparing the weather patterns of August and June, both months exhibit warm temperatures, but August tends to be slightly warmer. August has a minimum temperature of 25°C (77°F) and reaches a maximum of 29°C (84°F), while June has temperatures ranging from a minimum of 24°C (76°F) to a maximum of 28°C (83°F). Additionally, August experiences significantly more rainfall, with a total precipitation of 94 mm (3.7 in) over 16 days compared to June's 49 mm (1.9 in) over 12 days. Humidity levels are quite similar, with August at 82% and June at 81%. For more detailed information, you can check Charlestown weather in June.
In comparing the weather between July and August, both months exhibit similar temperatures, with a minimum of 25°C (77°F), an average of 27°C (82°F), and a maximum of 29°C (84°F) for each month. However, August saw slightly higher precipitation, totaling 94 mm (3.7 in) over 16 days compared to July's 76 mm (3.0 in) across 19 days. Humidity levels were also closely aligned, with August at 82% and July at 83%, indicating a consistently muggy atmosphere throughout this period. For a detailed look at July's weather, you can visit Charlestown weather in July.
In comparing the weather of August and September, we see a slight increase in average temperatures, with September averaging 28°C (82°F) compared to August's 27°C (82°F). Both months have similar minimum and maximum temperatures, though September can reach a high of 29°C (85°F). However, September experiences significantly more precipitation, totaling 147 mm (5.8 in) over 19 days, compared to August's 94 mm (3.7 in) over 16 days. Despite the increased rainfall, the humidity remains relatively similar, with September at 80% compared to August's 82%. For more detailed information, you can explore Charlestown weather in September.
In August, the weather typically features warm temperatures with a minimum of 25°C (77°F) and an average of 27°C (82°F), peaking at 29°C (84°F). The month experiences about 94 mm (3.7 in) of rainfall spread over 16 days, accompanied by high humidity levels averaging 82%. In contrast, October maintains similar temperature ranges, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). However, October sees an increase in precipitation, totaling 108 mm (4.3 in) over 18 days, and slightly lower humidity at 79%. For more details on October weather, visit Charlestown weather in October.
In August, the weather features slightly warmer temperatures, with a minimum of 25°C and a maximum reaching 29°C, maintaining an average of 27°C. This month experiences higher humidity at 82% and a substantial amount of rainfall, totaling 94 mm over 16 days. In contrast, November offers mild temperatures that closely mirror August, with a minimum of 24°C and a maximum of 28°C, averaging 27°C as well. The precipitation levels are quite similar, with November seeing 93 mm of rain over 17 days, though the humidity drops slightly to 79%. For more detailed information, you can check out the Charlestown weather in November.
In comparing the weather of August and December, we can observe that both months exhibit relatively warm temperatures, with August having slightly higher averages. In August, the temperature ranges from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), while December sees temperatures from a minimum of 24°C (75°F) to a maximum of 28°C (82°F). Precipitation levels also differ, with August receiving 94 mm (3.7 in) over 16 days, compared to December's 49 mm (1.9 in) spread over 18 days. Additionally, humidity is slightly higher in August at 82%, compared to December's 78%. For more detailed insights on weather conditions during this month, you can visit Charlestown weather in December.
As summer unfolds in August, Charlestown experiences a delightful yet humid climate, setting itself apart from other months with its warm temperatures and vibrant rain patterns. The average temperature hovers around 27°C (82°F), enveloping the town in a tropical embrace, while precipitation peaks with about 16 days of rain throughout the month. This blend of warmth and moisture fosters lush greenery, making August a standout time for nature lovers and travelers alike. If you're keen to learn more about the climatic nuances that shape Charlestown throughout the year, visit Charlestown Climate.