December Weather in Soufriere, Saint Lucia

Last updated: August 31, 2025

Experience the delightful December weather in Soufriere, Saint Lucia, where temperatures reach a pleasant maximum of 29°C (85°F) and hover around an average of 26°C (80°F). The evenings welcome a comfortable minimum of 23°C (73°F), making it perfect for relaxation. While the month witnesses 46 mm (1.8 in) of rainfall spread over 16 days, this only adds to the region's lush greenery. With humidity levels at a high 82%, the tropical atmosphere envelops visitors, offering a captivating blend of warmth and vibrancy perfect for enjoying the stunning landscape and rich culture of this Caribbean gem.

December Temperature in Soufriere

In December, Soufriere, Saint Lucia, offers a delightful climate that sets the perfect stage for a tropical getaway. The month welcomes temperatures that begin to cool slightly, with a minimum of 23°C (73°F) and an average around 26°C (80°F), making it a comfortable haven for visitors. With maximums peaking at 29°C (85°F), you can expect plenty of warm sunshine, ideal for exploring the stunning landscapes and vibrant culture of this Caribbean gem. Overall, December's temperatures reflect a subtle transition towards the cooler months, all while maintaining that enviable warmth that keeps locals and travelers alike smiling under the sun.

December Weather in Soufriere: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Soufriere, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Soufriere, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878798181818182818079
Data source: Temperature data for Soufriere generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Soufriere

In December, Soufriere experiences a moderate shift in precipitation patterns, with an average rainfall of 46 mm (1.8 in) over approximately 16 days. This marks a notable decrease compared to the heavier downpours of the preceding months, particularly July and August, which both saw over 120 mm of rain. As the year draws to a close, December’s milder rainfall allows for a brief respite from the wetter season, providing a perfect opportunity to enjoy the lush landscapes that flourish in the tropics. While the precipitation is lighter, the moisture continues to support the vibrant ecosystems, making Soufriere a stunning destination year-round.

December Precipitation Trends in Soufriere

The chart displays monthly precipitation patterns in Soufriere, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Soufriere, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec38313732396811812113714010846
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Soufriere

In December, Soufriere experiences a humidity level of 82%, which is in line with the slightly elevated humidity trend observed in the later months of the year. As the season shifts, humidity rises from 79% in April to a peak of 84% in July, and stabilizes slightly lower in the final months, with values of 83% in November and 82% in December. This consistent humidity reflects the tropical climate's characteristic warmth and moisture, creating an inviting atmosphere for visitors. The slight fluctuations throughout the year suggest a humid environment that is a hallmark of Soufriere, making it a lush and vibrant destination, particularly for those seeking the rich natural beauty of Saint Lucia.

December Average Humidity in Soufriere

This chart illustrates the average monthly humidity levels in Soufriere, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Soufriere is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%80%79%80%83%84%81%80%82%83%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Soufriere

In December, Soufriere experiences a UV Index of 9, placing it in the very high exposure category, with a burn time of about 15 minutes. This slight decrease from the peak UV Index seen in earlier months, where figures climbed as high as 14 from March to August, suggests a gradual transition towards safer sun exposure as the year draws to a close. However, despite this reduction, the sun's rays remain potent, especially as travelers and residents revel in the tropical environment. It’s advisable to stay vigilant with sun protection, as skin can still burn quickly. For more insights on sun safety and the UV Index throughout the year, check out the detailed information available at Soufriere UV Index.

Maximum UV Index Levels in Soufriere for December

The chart shows the monthly maximum UV Index (UVI) for Soufriere in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Soufriere typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141313141412109
Data source: Soufriere December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Soufriere

December in Soufriere, Saint Lucia, offers a delightful blend of warmth and sunshine, boasting 330 hours of daylight—perfectly nestled between the peak sun months of May and July. As the year winds down, sunshine remains abundant, showcasing a resilient trend that peaks noticeably in the spring. The gradual decline from May, which enjoys the year's highest sunshine at 355 hours, still allows for generous sunlight, making December an ideal time for festive beachside escapades and vibrant local celebrations. With the consistent sunshine throughout the year, visitors can rest assured that Soufriere promises plenty of opportunities to bask in its tropical glow, even as the year comes to a close.

Monthly Sunshine Duration in Soufriere: December Highlighted

The December sunshine duration represents the total number of hours Soufriere experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec269h305h345h336h355h326h348h345h323h321h316h330h
Data source: Soufriere December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Soufriere During December

In December, the likelihood of sunny weather in Soufriere, Saint Lucia stands at 53%, suggesting a moderate chance for those keen on soaking up some tropical sun. This percentage aligns closely with the previous month’s 58%, hinting at a relatively consistent trend of sun-filled days as the year winds down. Compared to the onset of the year, December offers a better chance than the surprisingly sunny April (37%) and June (30%), but it lags behind the peak of February (68%). Overall, while December's sunshine is not guaranteed, visitors can still anticipate a delightful mix of sunny moments throughout the holiday season, making it a charming time to explore the lush beauty of the island.

Percentage of Sunny Days in December in Soufriere

The chart illustrates the percentage of sunny days in Soufriere throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Soufriere experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%68%42%37%46%30%47%49%50%48%58%53%
Data source: Soufriere December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Soufriere in December

In Soufriere, Saint Lucia, the daylight duration throughout the year showcases a rhythmic pattern closely aligned with the changing seasons. From January to November, residents and visitors enjoy a steady 11 hours of daylight each day, creating a consistent environment perfect for exploration and relaxation. As March ushers in the arrival of spring, the days stretch to 12 hours, maintaining that generous length from late March through September. This peak daylight period promotes vibrant outdoor activities and beachside lounging. However, as October rolls around, daylight begins to recede, settling back to 11 hours by December, signaling the fading warmth of the year. This gentle ebb and flow of light underscores the island’s aliveness, inviting all to soak in its beauty throughout the varying daylight hours.

Average Daylight Hours in Soufriere for December

The chart illustrates the variation in daylight duration in Soufriere throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 24m11h 41m12h 3m12h 26m12h 45m12h 54m12h 49m12h 32m12h 10m11h 47m11h 28m11h 19m
Data source: Soufriere daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Soufriere

As December settles over Soufrière, Saint Lucia, residents and visitors alike can feel a refreshing change in the breeze. With an average wind speed of 7.0 m/s (16 mph), December marks a subtle increase compared to the earlier months of autumn, signaling a transition from the lighter winds of July and August, which hover below 6 m/s. While the month of September records the calmest winds at 4.3 m/s (10 mph), December’s invigorating gusts bring a sense of energy just in time for the festive season. This steady wind pattern aligns closely with trends observed earlier in the year, where the average speeds fluctuate subtly, peaking in the winter months. Overall, December offers a delightful blend of warmth and wind, perfect for enjoying the spectacular outdoor adventures that Saint Lucia is famous for.

Average December Wind Speed in Soufriere

The chart displays monthly wind speed patterns in Soufriere, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.97.86.85.96.96.86.75.54.36.15.47.0 m/s
Data source: Soufriere December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Soufriere Compares to Other Months

Weather in Soufriere varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Soufriere, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, temperatures in Soufriere range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), with an average temperature of 26°C (80°F). The month experiences higher precipitation levels, with 46 mm (1.8 in) falling over 16 days, and humidity averages around 82%. In contrast, January offers slightly cooler conditions, featuring a minimum temperature of 22°C (73°F) and an average temperature of 26°C (78°F), while the maximum remains at 29°C (84°F). Precipitation decreases to 38 mm (1.5 in) over 15 days, and humidity is marginally lower at 81%. For more detailed information about January weather in Soufriere, you can visit Soufriere weather in January.

In comparing the weather between December and February, both months exhibit warm temperatures, with December having a slightly higher average at 26°C (80°F), compared to February’s average of 25°C (78°F). The daytime highs in both months peak at 29°C (84-85°F), while nighttime lows remain quite similar, with December at 23°C (73°F) and February at 22°C (72°F). Precipitation also declines from December to February, with December experiencing 46 mm (1.8 in) over 16 days, while February receives only 31 mm (1.2 in) across 11 days. Humidity levels are marginally lower in February at 80%, compared to 82% in December. For a more detailed look at February weather, check out Soufriere weather in February.

The weather in December and March shares some similarities, with average temperatures hovering around 26°C (78°F). In December, temperatures range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), while March has slightly lower maximum temperatures at 29°C (84°F), with a minimum of 22°C (72°F). Precipitation is more frequent in December, occurring over 16 days and totaling 46 mm (1.8 in), compared to March's 37 mm (1.4 in) over 13 days. Additionally, December has a higher humidity level at 82%, while March enjoys a marginally lower humidity of 80%. For more detailed information on March weather, you can visit Soufriere weather in March.

In December, the weather experiences a warm average temperature of around 26°C (80°F), reaching a maximum of 29°C (85°F) and a minimum of 23°C (73°F). However, it's also characterized by higher humidity at 82% and more substantial rainfall, with 46 mm (1.8 in) recorded over 16 days. In contrast, April maintains similar temperature ranges, with averages remaining at 26°C (80°F) and highs of 29°C (85°F), but it features slightly lower humidity at 79% and reduced precipitation of 32 mm (1.3 in) over just 12 days. For more details on the conditions in April, you can check out Soufriere weather in April.

In comparing the weather between December and May, both months exhibit warm conditions with temperatures that are relatively close. December has a minimum temperature of 23°C (73°F) and an average of 26°C (80°F), while May slightly edges warmer with a minimum of 24°C (75°F) and an average of 27°C (81°F). Additionally, the maximum temperatures in both months are comparable, with December peaking at 29°C (85°F) and May reaching 30°C (86°F). Precipitation in December totals 46 mm (1.8 in) over 16 days, while May experiences slightly less rainfall at 39 mm (1.5 in) across 12 days. Humidity levels are similar as well, with December at 82% and May at 80%. For more detailed insights, you can check out Soufriere weather in May.

December and June in Soufrière showcase similar warm temperatures, but with subtle differences in their climate characteristics. In December, the temperatures range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), with an average of 26°C (80°F). This month experiences about 46 mm (1.8 in) of rainfall over 16 days, and humidity levels are around 82%. Conversely, June is slightly warmer, with temperatures ranging from 24°C (76°F) to 30°C (86°F) and an average of 27°C (81°F). Rainfall increases to 68 mm (2.7 in) across 17 days, accompanied by a marginally higher humidity of 83%. For more detailed weather information, visit Soufriere weather in June.

When comparing the weather in December and July, we see some notable differences. December features slightly cooler temperatures, with an average of 26°C (80°F) and maximums reaching 29°C (85°F), while July is a bit warmer, averaging 27°C (81°F) and peaking at 30°C (87°F). Precipitation also varies, as December sees 46 mm (1.8 in) over 16 days, whereas July experiences significantly higher rainfall of 118 mm (4.6 in) across 24 days. Humidity levels are relatively similar in both months, with December at 82% and July slightly higher at 84%. For a detailed look at the specifics of July weather, visit Soufriere weather in July.

December weather features slightly cooler temperatures, with minimums around 23°C (73°F) and averages of 26°C (80°F), making it a bit more comfortable compared to August. In contrast, August experiences higher minimum temperatures of 25°C (77°F) and averages of 27°C (82°F), with a peak max of 30°C (87°F). Precipitation is notably more prominent in August, receiving 121 mm (4.8 in) over 25 days, while December sees only 46 mm (1.8 in) across 16 days. Humidity levels are quite similar in both months, hovering around 81-82%. For detailed August weather insights, you can check Soufriere weather in August.

When comparing the weather in December and September, we see some notable differences. December typically experiences a lower temperature range, with a minimum of 23°C (73°F) and a maximum of 29°C (85°F), while September is warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F). Precipitation is significantly higher in September, with 136 mm (5.4 in) recorded over 19 days, compared to December's 46 mm (1.8 in) across 16 days. Interestingly, humidity levels remain fairly similar, around 80% in September and 82% in December, contributing to the tropical feel throughout both months. For more detailed information on September weather in Soufriere, you can visit Soufriere weather in September.

In comparing the weather between December and October, December tends to be slightly cooler with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), while October is a bit warmer, featuring a minimum of 24°C (76°F) and a maximum of 31°C (87°F). Precipitation also differs significantly; December experiences 46 mm (1.8 in) over 16 days, whereas October has much higher rainfall with 140 mm (5.5 in) spread over 20 days. Both months share the same humidity level at 82%, contributing to a consistently tropical climate. For more details on the weather specifics in October, check out Soufriere weather in October.

In comparing the weather of December to November, December tends to be slightly cooler, with minimum temperatures of 23°C compared to November's 24°C, and average temperatures of 26°C versus 27°C. While December has a maximum temperature of 29°C, November peaks slightly higher at 30°C. Precipitation levels significantly drop in December to 46 mm over 16 days, in contrast to November, which experiences 108 mm of rain across 21 days. Humidity remains relatively similar, with December at 82% and November at 83%. For a detailed look at the weather specifics in November, you can check out Soufriere weather in November.

Compare Soufriere's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Soufriere

As December unfolds in Soufrière, the weather showcases a delightful blend of warmth and humidity, marking a distinct transition from the earlier months. With daily temperatures comfortably grazing the mid-20s, December is not only inviting but also slightly wetter, experiencing more frequent rainfall than the drier months that precede it. This combination of average warmth and heightened humidity creates a lush environment, perfect for enjoying the stunning landscapes of Saint Lucia. For a deeper understanding of the region's weather patterns throughout the year, visit Soufriere Climate.