Last updated: August 31, 2025
December in Basseterre, Saint Kitts and Nevis offers a delightful tropical experience, with temperatures ranging from a pleasant 24°C (75°F) to a maximum of 28°C (82°F), averaging around 26°C (79°F). Visitors can expect a humble precipitation of 50 mm (2.0 in) spread across 17 days, contributing to the lush greenery that characterizes this beautiful island. With an average humidity level of 78%, the air carries a refreshing warmth, making December an ideal time for beach lovers and adventure seekers to explore the stunning landscapes and vibrant culture of this charming Caribbean destination.
In Basseterre, Saint Kitts and Nevis, December welcomes warm temperatures that are characteristic of the region, with minimums around 24°C (75°F) and averages reaching 26°C (79°F). As the year draws to a close, the maximum temperatures can soar to 28°C (82°F), providing a delightful escape from colder climates elsewhere. This month sees a continuation of the warm trend established earlier in the year, maintaining a consistent and comfortable climate perfect for enjoying the island's scenic beauty. The gradual shift from November’s similar averages signals the onset of the holiday season, making December an enticing destination for sun-seekers and festive revelers alike.
December in Basseterre, Saint Kitts and Nevis, sees a moderate precipitation amount of 50 mm (2.0 in), accompanied by 17 rainy days, making it a relatively wet end to the year. This trend aligns with the overall pattern observed in the latter part of the year, where rainfall tends to peak, particularly in the wet months of September (146 mm) and October (112 mm). As the year winds down, December’s rainfall is a notable decrease from November’s 94 mm (3.7 in), yet it remains consistent with the overall atmospheric conditions of the tropical climate, providing a refreshing balance before the drier months ahead. With an average of about half the days seeing moisture, December’s rains contribute to the lush landscapes that define this vibrant island destination.
In December, humidity in Basseterre, Saint Kitts and Nevis settles at a comfortable 78%, marking a slight dip from the peak levels observed in the summer months. As the year progresses, humidity rises steadily from 77% in January through March to 83% in July, creating a lush tropical environment. With August and September experiencing a brief drop in humidity to 82% and 80% respectively, the levels start to decline again in the fall, returning to 79% in November. This gradual reduction reaching December's 78% offers a pleasant transition into the cooler winter season. Overall, while humidity remains relatively high throughout the year, the trends indicate a seasonal ebb and flow that enhances the region's vibrant yet inviting climate.
In Basseterre, Saint Kitts and Nevis, the UV Index trends dramatically from January to December. The year kicks off with a very high UV Index of 9 in January, which quickly escalates to an extreme level of 11 by February, peaking at 14 in September. This sustained exposure means that, for much of the year, visitors and residents alike should be particularly vigilant about sun protection, with burn times averaging a mere 10 minutes during the extreme months. However, as December rolls in, the UV Index dips back to 9, reverting to a very high category with a burn time of 15 minutes, reminding everyone to stay aware as the year winds down. For more details on UV exposure in the region, visit Basseterre UV Index.
UV Risk Categories
In December, Basseterre basks in a delightful 326 hours of sunshine, offering a warm farewell to the year. As the final month of the year rolls in, the sun shines brightly, continuing a trend established throughout the year, where from January's 261 hours to July's peak of 362 hours, the island enjoys an impressive range of sunny days. While the summer months boast the most sunlight, December maintains a respectable brightness, inviting visitors to soak in the lingering warmth. This gradual decline in daylight hours from the summer's zenith still ensures that winter holidays in Saint Kitts and Nevis are filled with golden light, making it the perfect destination for sun-seekers even as the year draws to a close.
In Basseterre, Saint Kitts and Nevis, December boasts a promising 67% chance of sunny weather, making it a favorable time for sun-seekers. This trend signals a noteworthy transition from the rainy months of June and July, where sunshine probability dips to 24% and 47%, respectively. As the year draws to a close, the likelihood of clear skies improves, peaking at 72% in February and hovering around 69% in November. The gradual upswing in sunshine percentages, particularly from late autumn into winter, makes December an appealing month for outdoor activities and festive celebrations under the sun.
In Basseterre, Saint Kitts and Nevis, the December daylight duration mirrors that of the previous months, offering a consistent 11 hours of sunlight as the year draws to a close. This pattern highlights a seasonal rhythm where daylight gradually increases from 11 hours in January through the spring months, peaking at 13 hours during the summer. However, as autumn approaches in October, daylight begins its slow decline back to 11 hours by December. This cycle beautifully encapsulates the island's tropical climate, where the amount of sunlight remains relatively stable throughout the year, providing a picturesque backdrop for both locals and visitors alike.
As December rolls into Basseterre, Saint Kitts and Nevis, a delightful shift occurs in the island's wind patterns. With an average wind speed of 8.1 m/s (18 mph), December provides a refreshing breeze that is notably stronger than the preceding months. This uptick in wind speed reflects a trend that contrasts with the calmer conditions experienced during the late summer and early autumn, particularly September's low of just 5.3 m/s (12 mph). As the year winds down, December's invigorating gusts are ideal for both adventurous outings and serene beach days, making it a captivating time for locals and visitors alike to embrace the island's vibrant atmosphere.
Weather in Basseterre varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Basseterre, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather tends to be slightly warmer with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F). The month experiences higher precipitation, totaling 50 mm (2.0 in) over 17 days, and humidity levels are typically around 78%. In contrast, January sees a slight cooling trend, with average temperatures dropping to a minimum of 23°C (73°F) and a maximum of 27°C (81°F). Additionally, January has lower rainfall, averaging 35 mm (1.4 in) over 13 days, and the humidity remains relatively stable at 77%. For more detailed information, check out Basseterre weather in January.
In December, the weather tends to be slightly warmer with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), averaging 26°C (79°F). This month experiences higher precipitation, receiving about 50 mm (2.0 in) over 17 days, and the humidity is a comfortable 78%. In contrast, February brings cooler temperatures with a minimum of 22°C (72°F) and a maximum of 26°C (80°F), averaging 25°C (77°F). Precipitation decreases to 35 mm (1.4 in) over just 12 days, and humidity dips slightly to 77%. For more details on February weather, you can visit Basseterre weather in February.
In December, the weather tends to be slightly warmer, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F) and an average of 26°C (79°F). The month also experiences higher precipitation, averaging 50 mm (2.0 in) over 17 days, and maintains a humidity level of 78%. In contrast, March offers a milder climate, featuring a minimum temperature of 22°C (73°F) and a maximum of 26°C (80°F), with an average temperature of 25°C (77°F). Precipitation drops significantly to 27 mm (1.1 in) over just 10 days, while humidity slightly decreases to 77%. For more details on the weather in March, you can check Basseterre weather in March.
December and April exhibit similar warm temperatures, with December seeing a slight edge with average temperatures ranging from 24°C (75°F) to 28°C (82°F) compared to April's range of 23°C (74°F) to 27°C (81°F). While both months experience high humidity levels of 78%, December tends to be slightly wetter, with 50 mm (2.0 in) of rainfall over 17 days, compared to April's 41 mm (1.6 in) over 13 days. This makes April a drier month overall. For those seeking more detailed information, you can check out Basseterre weather in April.
In December, the weather exhibits a warm climate with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), while experiencing an average temperature of 26°C (79°F). With 50 mm of precipitation spread over 17 days, humidity levels hover around 78%. Conversely, May mirrors December's temperature profile, maintaining similar averages. However, it experiences slightly higher precipitation at 53 mm over 14 days, with humidity marginally increasing to 79%. For more detailed information on May weather, you can check out Basseterre weather in May.
In comparing the weather of December and June, both months exhibit similar temperature ranges, with December experiencing a minimum of 24°C (75°F) and an average of 26°C (79°F), while June has a slightly higher minimum of 25°C (77°F) and an average of 27°C (80°F). The maximum temperatures remain consistent, both months reaching up to 28°C (82°F/83°F). Precipitation levels are comparable as well, with December receiving 50 mm (2.0 in) over 17 days and June recording 51 mm (2.0 in) over just 12 days. Humidity is slightly higher in June at 81%, compared to December's 78%. For more specific details on June weather, visit Basseterre weather in June.
When comparing the weather in December and July, it's clear that both months experience warm temperatures typical of a tropical climate. December has an average temperature ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), while July is slightly warmer, with temperatures ranging from 25°C (77°F) to 29°C (84°F). Precipitation is also higher in July, with 78 mm (3.1 in) falling over 18 days compared to December's 50 mm (2.0 in) over 17 days. Additionally, humidity levels are slightly elevated in July at 83%, compared to 78% in December, making the latter a bit more comfortable. For a more detailed look at July weather, you can visit Basseterre weather in July.
When comparing the weather in December and August, it's clear that both months experience warm temperatures, but December tends to be slightly cooler. In December, the 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). Conversely, August sees slightly higher temperatures, with a minimum of 25°C (77°F), an average of 27°C (82°F), and a maximum of 29°C (84°F).
In terms of precipitation, August is notably wetter, receiving 101 mm (4.0 in) over 16 days compared to December's 50 mm (2.0 in) over 17 days. Additionally, humidity levels are higher in August at 82%, while December sits at 78%. For more details, check out Basseterre weather in August.
The weather in December tends to be slightly cooler than in September, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F). In contrast, September sees slightly higher temperatures, with a minimum of 25°C (78°F) and a maximum of 29°C (84°F). December experiences less precipitation, totaling 50 mm (2.0 in) over 17 rainy days, compared to September's significantly higher rainfall of 146 mm (5.7 in) across 20 days. Both months maintain high humidity levels, hovering around 78% in December and slightly higher at 80% in September, contributing to the tropical climate of the region. For more detailed information, you can visit Basseterre weather in September.
When comparing the weather in December and October, both months present relatively warm conditions, but there are 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). The month sees a total precipitation of 50 mm (2.0 in) over 17 days, accompanied by a humidity level of 78%.
In contrast, October experiences slightly higher temperatures, with a minimum of 25°C (77°F) and a maximum of 29°C (85°F), averaging around 27°C (81°F). However, October is significantly wetter, with 112 mm (4.4 in) of rain recorded over 18 days, while maintaining a similar humidity level of 79%.
For more details on October weather in Basseterre, you can visit Basseterre weather in October.
In comparing the weather between November and December, both months feature similar temperature ranges, with November slightly warmer, averaging 27°C (80°F) compared to December's 26°C (79°F). While the maximum temperatures remain consistent, December experiences less rainfall, with 50 mm (2.0 in) compared to November's 94 mm (3.7 in). Interestingly, both months have rainfall on approximately 17 days, but the humidity levels are quite close, with December at 78% and November at 79%. For more detailed information on November weather, you can check Basseterre weather in November.
As December arrives in Basseterre, the weather begins to shift from the sultry heat of the preceding months. With average temperatures settling around 26°C (79°F), it feels pleasantly warm while also inviting a refreshing breeze. However, this month also sees increased rainfall, with about 17 days of precipitation, contributing to the lushness of the landscape. The humidity levels of 78% create a tropical atmosphere that is both invigorating and slightly sticky, distinguishing December from the drier, hotter months that precede it. For a more comprehensive understanding of Basseterre's climate specifics throughout the year, explore Basseterre Climate.