December Weather in Falmouth, Antigua and Barbuda

Last updated: August 21, 2025

December in Falmouth, Antigua and Barbuda offers a delightful tropical climate characterized by maximum temperatures reaching a warm 28°C (82°F) and an average of 26°C (79°F). With a minimum temperature of 24°C (75°F) providing cozy evenings, this month is perfect for both relaxation and adventure. Although December sees precipitation totaling 52 mm (2.1 in) over approximately 18 days, the lush landscapes thrive, complemented by a humidity level of 78% that enhances the island’s vibrant atmosphere. Visitors can expect a blend of sunny moments and refreshing showers, making it an ideal time to enjoy Falmouth's stunning beaches and rich culture.

December Temperature in Falmouth

In December, Falmouth, Antigua and Barbuda, welcomes a delightful transition into the heart of winter, showcasing temperatures that range from a cozy 24°C (75°F) at night to a pleasant 28°C (82°F) during the day. With an average temperature hovering around 26°C (79°F), visitors can enjoy ideal conditions for exploring the island's stunning landscapes and vibrant culture. This month marks a subtle shift in the climate, where the cooling trend from November continues, yet warmth and sunshine remain predominant. As December unfolds, the weather is perfect for relaxation on the beach or engaging in local festivities, making it an enticing time to experience the charm of Falmouth.

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

The chart illustrates December temperature patterns in Falmouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Falmouth, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777777787980818182818079
Data source: Temperature data for Falmouth generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Falmouth

December in Falmouth, Antigua and Barbuda, sees precipitation levels averaging 52 mm (2.1 in) over approximately 18 days of rain, marking a notable decline compared to the peak months of September and October. This month stands out for its relatively moderate rainfall, which transitions the island from the heavy downpours of the wet season to a more manageable climate. With consistent rainy days throughout, December offers a blend of refreshing showers while still allowing for plenty of sunshine. As the year closes, the weather begins to cool slightly, setting a picturesque scene for both locals and visitors to enjoy the festive atmosphere amidst the gentle Caribbean breezes.

December Precipitation Trends in Falmouth

The chart displays monthly precipitation patterns in Falmouth, 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 Falmouth, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec35363138495281971441099452
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Falmouth

In Falmouth, Antigua and Barbuda, December marks a slight dip in humidity, with levels averaging around 78%. This follows a pattern of steadily increasing moisture from the mid-year peak of 84% in July. Throughout the months leading up to December, there's a noticeable trend of rising humidity, especially during the vibrant summer months of June to August. However, as the year wraps up, humidity begins to level off and teeter downwards, providing a mild reprieve before clinging to the warmer temperatures of the approaching new year. This subtle ebb and flow of humidity showcases Falmouth's tropical climate, where the balance of moisture is a defining characteristic of its seasonal rhythm.

December Average Humidity in Falmouth

This chart illustrates the average monthly humidity levels in Falmouth, 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 Falmouth is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%76%78%79%81%84%83%80%79%80%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Falmouth

In Falmouth, Antigua and Barbuda, December marks a return to more moderate sun exposure, as the UV Index drops to 9, categorized as very high. This decrease from the extreme levels seen throughout the summer months reflects a subtle shift in seasonal patterns, providing a reprieve from the relentless sunburn risks of earlier in the year, where burn time was as brief as 10 minutes. With a slightly longer burn time of 15 minutes now in effect, beachgoers can enjoy the holiday sun with a bit more caution, keeping in mind the importance of sun protection. This consistent trend of high UV levels emphasizes the need for vigilance throughout the year in this tropical paradise. For more information, check out the detailed Falmouth UV Index.

Maximum UV Index Levels in Falmouth for December

The chart shows the monthly maximum UV Index (UVI) for Falmouth 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 Falmouth typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131413131299
Data source: Falmouth 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 Falmouth

In Falmouth, Antigua and Barbuda, December delights with approximately 325 hours of sunshine, making it a perfect time for sun-seekers and holiday revelers. As the year winds down, December continues the trend of bright, sunny days that peak during the summer months of July and May, where sunshine totals reach 361 and 357 hours, respectively. The gradual decline in daylight hours from the previous months is evident as it dips from November's 308 hours. However, December's weather still offers ample sunshine, offering a delightful transition into the New Year. This consistent influx of sunshine throughout the year, with a notable high in mid-summer, underscores Falmouth as a shimmering sanctuary for those looking to bask in warm, tropical rays while escaping colder climates.

Monthly Sunshine Duration in Falmouth: December Highlighted

The December sunshine duration represents the total number of hours Falmouth 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.
JanFebMarAprMayJunJulAugSepOctNovDec262h302h348h343h357h339h361h352h321h318h308h325h
Data source: Falmouth December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Falmouth During December

In December, Falmouth, Antigua and Barbuda enjoys a promising 67% chance of sunny weather, marking a slight dip from the preceding month's 68%. As the year draws to a close, the likelihood of sunshine remains notably high compared to the earlier months, particularly from June to August when figures plummet to their lowest at 26% and hover around 50%. This trend suggests that while December may not guarantee endless beach days, it still offers plenty of opportunities for sun-soaked adventures. With winter gatherings and festive celebrations in full swing, visitors can expect a delightful balance of warmth and holiday cheer in this tropical paradise.

Percentage of Sunny Days in December in Falmouth

The chart illustrates the percentage of sunny days in Falmouth 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 Falmouth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%71%64%44%49%26%50%48%58%55%68%67%
Data source: Falmouth December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Falmouth in December

In Falmouth, Antigua and Barbuda, the rhythm of daylight unfolds beautifully throughout the year, with December showcasing 11 hours of sunlight. As the year closes, daylight duration dips to match the earlier months of January and February, creating a sense of continuity in this tropical paradise. The months prior witness a gradual increase from 11 to a peak of 13 hours in June and July, providing ample time to soak in the sun's warmth. However, as the year transitions towards its end, the days shorten again, reminding us of nature's predictable cycle. This trend highlights the island's consistent climate, inviting visitors to enjoy the charm of its sunlit days, even as the hours wane during the festive season.

Average Daylight Hours in Falmouth for December

The chart illustrates the variation in daylight duration in Falmouth throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 13m11h 34m12h 2m12h 31m12h 55m13h 7m13h12h 39m12h 12m11h 43m11h 19m11h 7m
Data source: Falmouth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Falmouth

As December rolls into Falmouth, Antigua and Barbuda, the winds take on a refreshing vigor, averaging 7.9 m/s (18 mph). This increase marks a notable rise from the calmer breezes of the preceding months, particularly as November recorded a gentler 6.0 m/s (13 mph). The trend of wind speeds throughout the year reveals a dynamic landscape; after a steady rise from the 9.2 m/s (21 mph) of February to the summer months, the winds dip in September before picking up again in December. This invigorating gustiness makes December an ideal time for sailing and enjoying the outdoors, as the winds create a vibrant backdrop against the stunning Caribbean vistas.

Average December Wind Speed in Falmouth

The chart displays monthly wind speed patterns in Falmouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.29.27.56.57.48.18.37.05.26.56.07.9 m/s
Data source: Falmouth December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Falmouth Compares to Other Months

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

In December, the weather typically features a minimum temperature of 24°C (75°F) and can reach an average maximum of 28°C (82°F), accompanied by 52 mm (2.1 in) of rainfall spread over 18 days, with humidity levels at 78%. In contrast, January sees slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 27°C (80°F). Precipitation also decreases to 34 mm (1.4 in) over just 12 days, along with a marginally lower humidity of 77%. For more detailed information, visit Falmouth weather in January.

In comparing December and February weather, December typically experiences slightly warmer temperatures, with an average of 26°C (79°F) and a maximum of 28°C (82°F), compared to February’s average of 25°C (77°F) and maximum of 26°C (80°F). December also has higher precipitation levels, with 52 mm (2.1 in) of rain spread over 18 days, while February sees less rainfall, totaling 36 mm (1.4 in) over 14 days. Humidity levels are marginally higher in December at 78%, compared to February's 76%. For a more detailed look at the weather in February, check out Falmouth weather in February.

In December, Falmouth experiences warm temperatures with a minimum of 24°C (75°F) and averages around 26°C (79°F), peaking at 28°C (82°F). The month is relatively wet, with precipitation totaling 52 mm (2.1 in) spread over 18 days, accompanied by high humidity levels at 78%. In contrast, March offers slightly cooler conditions, with a minimum of 23°C (73°F) and an average of 25°C (77°F), reaching a maximum of 26°C (80°F). Rainfall decreases to 31 mm (1.2 in) over just 11 days, and humidity is marginally lower at 76%. For a detailed overview, you can check Falmouth weather in March.

December and April feature similar temperatures, with December slightly warmer, showcasing a minimum of 24°C (75°F) and an average of 26°C (79°F), compared to April’s minimum of 23°C (74°F) and an average of 25°C (78°F). However, December is characterized by higher precipitation levels, receiving 52 mm (2.1 in) over 18 days, while April sees less rain at 38 mm (1.5 in) over 14 days. Both months maintain a consistent humidity level of 78%, contributing to the tropical feel of the region. For more detailed information on April weather, visit Falmouth weather in April.

December and May share similar temperatures, with both months exhibiting a minimum of 24°C (75°F), an average of 26°C (79°F), and a maximum of 28°C (82°F). However, December sees slightly higher precipitation at 52 mm (2.1 in) over 18 days, while May has a bit less with 49 mm (1.9 in) across 15 days. Humidity remains quite comparable, with December at 78% and May at 79%. For a more detailed look at May weather specifically, you can visit Falmouth weather in May.

When comparing the weather in December and June, both months are characterized by warm temperatures, with December averaging 26°C (79°F) and June slightly warmer at 27°C (80°F). The minimum temperatures remain consistent at around 24°C (75°F), while the maximums hover between 28°C (82°F) and 28°C (83°F), indicating a subtle increase in warmth during June. Precipitation levels are similar, with December experiencing 52 mm (2.1 in) over 18 days and June receiving 52 mm (2.0 in) over 14 days, suggesting that December is slightly wetter. Humidity is also fairly high in both months, with June reaching 81% compared to December's 78%. For more detailed insights about June, you can check out Falmouth weather in June.

In comparing the weather between December and July, December tends to be slightly cooler with average temperatures around 26°C (79°F), while July is just a bit warmer with an average of 27°C (81°F). Both months experience high humidity, but July sees a higher humidity level at 84% compared to December's 78%. Precipitation is more intense in July, with 81 mm (3.2 in) falling over 19 days, whereas December records 52 mm (2.1 in) over 18 days. For more specific details on July weather in Falmouth, you can check out Falmouth weather in July.

In December, Falmouth experiences a warm climate with minimum temperatures around 24°C (75°F) and an average of 26°C (79°F), peaking at 28°C (82°F). The month sees relatively lower precipitation levels, with 52 mm (2.1 in) of rain spread over 18 days and humidity at 78%. In contrast, August is slightly warmer, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (84°F) and an average of 27°C (82°F). However, it also experiences higher rainfall, totaling 97 mm (3.8 in) over the same number of days, and a humidity level of 83%. For more specific details about August weather, you can check Falmouth weather in August.

In December, the weather tends to be slightly cooler compared to September, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F). In contrast, September boasts higher temperatures, averaging between 25°C (77°F) and 29°C (85°F), making it one of the warmer months. Precipitation levels are significantly lower in December, with 52 mm (2.1 in) over 18 days, compared to September's 144 mm (5.7 in) spread over 21 days. Humidity is also a bit higher in September at 80%, as opposed to December's 78%. For more details, you can check Falmouth weather in September.

In comparing the weather between December and October, we see some notable differences. October experiences slightly warmer temperatures, with a minimum of 25°C (77°F) and an average high of 29°C (85°F), whereas December's temperatures range from a minimum of 24°C (75°F) to a maximum of 28°C (82°F). Precipitation levels also vary significantly; October is wetter, with 109 mm (4.3 in) of rain over 18 days, compared to December's 52 mm (2.1 in) in the same number of days. Humidity remains similar, with October at 79% and December at 78%. For more details on October weather in Falmouth, you can check out Falmouth weather in October.

In comparing the weather between November and December, both months showcase warm temperatures with minimal variation. December records a minimum of 24°C (75°F) and an average of 26°C (79°F), slightly lower than November’s average of 27°C (80°F). Despite having similar maximum temperatures, December experiences less precipitation, totaling 52 mm (2.1 in) over 18 days, compared to November’s 94 mm (3.7 in) over 17 days. Humidity in December is also slightly lower at 78%, compared to November's 80%. For more detailed insights, you can check out Falmouth weather in November.

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Conclusion: What to Expect From December Weather in Falmouth

As December unfolds in Falmouth, visitors can expect a charming blend of warmth and moisture, distinguishing it from the drier months that precede it. With average temperatures hovering comfortably around 26°C (79°F), this month marks a slight increase in both humidity and precipitation, setting the stage for a lush tropical atmosphere. The 78% humidity combined with 52 mm of rainfall over 18 days can create occasional showers, refreshing the landscape and enhancing the vibrant colors of the region. Travelers seeking the allure of a tropical getaway will find December's allure unique, as it introduces a lively contrast to the typically drier, sunnier conditions of the year. For more insights into Falmouth's weather patterns, visit Falmouth Climate.