Last updated: August 31, 2025
December in Charlestown, Saint Kitts and Nevis offers a delightful tropical climate, with an average temperature hovering around 26°C (79°F). Visitors can expect maximum daytime heats reaching 28°C (82°F), while nighttime lows drop to a comfortable 24°C (75°F). This month also sees moderate rainfall, totaling around 49 mm (1.9 in) over approximately 18 days, contributing to the lush landscapes of the region. Coupled with a humidity level of 78%, December provides a warm and vibrant atmosphere, perfect for exploring the island's natural beauty and cultural offerings. Enjoy the charm of this Caribbean gem as it embraces the holiday season!
In December, Charlestown, Saint Kitts and Nevis experiences delightful temperatures that mark the transition into the winter months. With a minimum of 24°C (75°F) and a comfortable average of 26°C (79°F), the weather is pleasantly warm. Daytime highs reach a cozy 28°C (82°F), perfect for enjoying the island's beautiful beaches and outdoor activities. This slight increase from November's temperatures showcases a general trend of warmth throughout the year, making December an ideal time for visitors seeking to escape colder climates. As the year wraps up, the inviting warmth of Charlestown continues to enchant travelers, inviting them to bask in its tropical charm.
In December, Charlestown experiences a moderate level of precipitation, with a total rainfall of 49 mm (1.9 in) spread over 18 days. This marks a slight decrease compared to the preceding month of November, which recorded 93 mm (3.6 in) of rain over 17 days. The trend suggests a gradual tapering off of rainfall as the year closes, following the peak precipitation seen in September. December's weather often features a mix of sunny intervals and occasional showers, creating a lush, inviting landscape that characterizes the transition into the new year. Overall, this month reflects a seasonal shift, paving the way for drier months ahead.
In December, humidity in Charlestown, Saint Kitts and Nevis, settles at a comfortable 78%, marking a slight decrease from the heightened levels of the previous summer months. This trend reflects the natural ebb and flow of humidity throughout the year, peaking in July at 83% before gradually declining during the fall months. As December rolls in, the humidity remains similar to the preceding months of January and February, each at 77%, suggesting a stabilizing pattern heading into the New Year. This consistent humidity level contributes to the tropical charm of the island, ensuring a warm and inviting atmosphere for residents and visitors alike.
In December, the UV Index in Charlestown, Saint Kitts and Nevis registers a notable 9, placing it within the very high exposure category. This mirrors the trend seen in January and November, where the UV Index also recorded a 9. Notably, while the intensity of UV radiation spikes to 13 during the prime summer months from March through October, December presents a welcome dip, allowing for a burn time of 15 minutes before protection is necessary. As the year wraps up, it’s a reminder for sun-seekers to remain mindful of sudden sun exposure despite the lower index, ensuring a balance between enjoyment and safety. For additional insights and ongoing UV tracking, visit Charlestown UV Index.
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December in Charlestown, Saint Kitts and Nevis, offers a delightful continuation of the region's vibrant sunshine. With 326 hours of sunlight, it marks a splendid close to the year, showcasing a steady presence of bright days that begins to peak in the spring and summer months. Notably, the amount of sunshine has shown a distinct upward trend from January's 262 hours to a high of 362 hours in July, indicating a warm embrace as locals and visitors alike soak in the tropical charm. As the year wraps up, December's sunshine remains robust, bridging the transition from the lively summer towards the cooler, festive winter months with a generous dose of warmth and brightness.
In Charlestown, Saint Kitts and Nevis, December offers a favorable likelihood of sunny weather with a 67% chance of sunshine. This marks a slightly lower likelihood compared to the peak months of February at 71% and November at 68%, but still represents a strong chance for those seeking warmth and brightness. Notably, December fits into a positive trend, where the chances of sunny days gradually recover from the lower figures seen in mid-year months like June, which dipped to 24%. As the year concludes, December stands out as an inviting time to enjoy the Caribbean sun, blending the comforts of the holiday season with delightful outdoor weather.
In Charlestown, Saint Kitts and Nevis, the daylight duration reflects a gentle rhythm throughout the year. December, heralding the end of the year, provides 11 hours of daylight—a figure consistent with both January and February. This period of shorter days contrasts beautifully with the longer, sun-kissed afternoons of June and July, where daylight stretches to a vibrant 13 hours. The transition from the lushness of summer to the cooler months in fall showcases a gradual shift, as daylight peaks in the early summer before returning to 11 hours during the winter months. This steady decline and subsequent rise chart a tropical experience, wrapping the year in a warm embrace of daylight that invites both relaxation and adventure.
As December rolls into Charlestown, Saint Kitts and Nevis, the average wind speed reaches a lively 8.0 m/s (18 mph), marking an invigorating end to the year. This uptick in wind speed aligns with a seasonal trend of increased breeziness that peaks during the late summer and early fall months. Unlike the lulls felt in September and November, where winds dipped to 5.2 m/s (12 mph) and 6.1 m/s (14 mph) respectively, December's winds breathe life into the coastal landscape, heralding a refreshing atmosphere perfect for outdoor activities. This blend of cool breezes and warm tropical sunshine encapsulates the essence of the Caribbean winter, making it an enticing time for both locals and visitors alike.
Weather in Charlestown varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Charlestown, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of December and January, December generally experiences slightly higher temperatures, with a minimum of 24°C (75°F) and an average of 26°C (79°F), compared to January's minimum of 23°C (73°F) and average of 25°C (78°F). While December sees more frequent rainfall with 49 mm (1.9 in) over 18 days, January is drier, accumulating only 35 mm (1.4 in) over 13 days. Humidity levels are quite similar, with December at 78% and January slightly lower at 77%. For more detailed insights, visit Charlestown weather in January.
In December, the weather is slightly warmer with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), accompanied by higher precipitation levels of 49 mm (1.9 in) over 18 days and humidity at 78%. In contrast, February offers a bit of relief with slightly cooler temperatures, having a minimum of 22°C (72°F) and a maximum of 27°C (80°F). Precipitation in February decreases to 35 mm (1.4 in) over just 11 days, and humidity remains very similar at 77%. For a detailed look at the weather specifics in February, you can visit Charlestown weather in February.
In December, the weather is characterized by slightly warmer temperatures, with a minimum of 24°C (75°F) and an average of 26°C (79°F), peaking at 28°C (82°F). The month experiences a higher amount of rainfall, totaling 49 mm (1.9 in) over 18 days, along with a humidity level of 78%. In contrast, March sees a slight drop in temperatures, with a minimum of 22°C (73°F) and an average of 25°C (77°F), reaching a maximum of 26°C (80°F). Additionally, precipitation decreases to 27 mm (1.0 in) over just 9 days, and humidity remains comparable at 77%. For more specific details, you can check out Charlestown weather in March.
December and April in Charlestown present mild and humid weather conditions, but with some notable differences. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), with an average of 26°C (79°F) and precipitation totaling 49 mm (1.9 in) over 18 days. In contrast, April sees slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 27°C (82°F), averaging 25°C (78°F). Additionally, April experiences less rainfall, with 38 mm (1.5 in) across 13 days. Despite the differences, both months maintain consistent humidity levels at 78%. For more detailed information, check out Charlestown weather in April.
Comparing the weather in December and May reveals striking similarities, as both months feature an identical temperature range with minimums of 24°C (75°F), averages of 26°C (79°F), and maximums reaching 28°C (82°F). However, December experiences slightly higher precipitation at 49 mm (1.9 in) over 18 days, whereas May sees a marginally increased total of 50 mm (2.0 in) over just 14 days. Humidity levels remain comparable, with December at 78% and May rising slightly to 79%. For more detailed information about the weather specifically in May, you can visit Charlestown weather in May.
In comparing December and June weather, both months exhibit remarkably similar temperatures, with average highs hovering around 28°C (82°F) and minimal variations in overall warmth. December tends to have slightly higher humidity at 78%, compared to June's 81%, which may contribute to a more oppressive feeling during the latter month. Interestingly, both months receive the same total precipitation of 49 mm (1.9 in), but while December experiences rain over 18 days, June only sees it on 12 days, suggesting that June could feel drier. For more detailed information on June weather in Charlestown, you can visit Charlestown weather in June.
When comparing the weather in December and July, you'll notice some subtle differences. In December, temperatures are slightly cooler with a minimum of 24°C (75°F) and an average of 26°C (79°F), while July experiences a warmer minimum of 25°C (78°F) and an average of 27°C (81°F). Rainfall is higher in July, with 76 mm (3.0 in) of precipitation across 19 days, compared to December's 49 mm (1.9 in) spread over 18 days. Humidity levels are also a bit higher in July at 83%, compared to December's 78%. For a more detailed look at July weather, you can visit Charlestown weather in July.
In December, temperatures are slightly cooler with a minimum of 24°C (75°F) and an average of 26°C (79°F), while August features a minimum of 25°C (77°F) and an average of 27°C (82°F). August experiences more significant rainfall, totaling 94 mm (3.7 in) over 16 days, compared to December's 49 mm (1.9 in) across 18 days. Additionally, humidity levels are marginally higher in August at 82% versus December's 78%. For more detailed information, you can check Charlestown weather in August.
In comparing the weather between December and September, we observe distinct differences in temperature and precipitation patterns. December tends to be slightly cooler, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F). In contrast, September boasts a warmer average temperature, with a minimum of 25°C (77°F) and a maximum of 29°C (85°F). Precipitation levels also significantly diverge; December receives about 49 mm (1.9 in) over 18 days, while September faces a much wetter climate with 147 mm (5.8 in) across 19 days. Additionally, humidity remains relatively high in both months, with December at 78% and September slightly higher at 80%. For a detailed look at the weather specifics in September, you can visit Charlestown weather in September.
In comparison to October, December sees slightly lower temperatures, with minimums averaging 24°C (75°F) and maximums reaching 28°C (82°F), compared to October’s minimum of 25°C (77°F) and maximum of 29°C (85°F). Precipitation also declines significantly, from October’s 108 mm (4.3 in) over 18 days to December’s 49 mm (1.9 in) under the same number of rainy days. Humidity remains relatively stable, with December at 78% and October slightly higher at 79%. For more information, you can visit Charlestown weather in October.
In comparing the weather of December and November, both months exhibit warm temperatures, with December showing a slight decrease in average temperature from November. While December’s averages range from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), November stays within a similar range, with averages from 24°C (76°F) to 28°C (83°F). Notably, December experiences less precipitation at 49 mm (1.9 in) over 18 days compared to November’s 93 mm (3.6 in) across 17 days, making it a drier month overall. Humidity levels are quite similar, with December registering at 78% and November slightly higher at 79%. For more detailed insights into the weather during November, please visit Charlestown weather in November.
As December settles in, Charlestown experiences a noticeable shift in its weather, embracing the warmth of the season while also inviting a touch of humidity. With average temperatures hovering around a cozy 26°C (79°F), the days remain warm, but the increased precipitation, with rain occurring on nearly half the month, brings a refreshing contrast. This shift introduces a lush vibrancy to the surroundings, making December a unique time to enjoy the tropical landscapes. For more insights into how Charlestown's weather compares throughout the year, explore Charlestown Climate.