December Weather in Cruz Bay, Virgin Islands (U.S.)

Last updated: August 28, 2025

Experience the delightful December weather in Cruz Bay, Virgin Islands (U.S.), where temperatures gracefully range from a maximum of 28°C (83°F) to a cozy minimum of 24°C (75°F), with an average settling at 26°C (79°F). This tropical haven welcomes visitors with an average humidity of 77%, making it feel pleasantly warm. Be prepared for some light rainfall, as December sees about 51 mm (2.0 in) of precipitation spread over 16 days, providing a refreshing interlude to sunny days. Discover the beauty of Cruz Bay as it showcases the charm of the Caribbean during this inviting month.

December Temperature in Cruz Bay

In December, Cruz Bay, Virgin Islands embraces the allure of a tropical winter, showcasing delightful temperatures that range from a minimum of 24°C (75°F) to a pleasant maximum of 28°C (83°F). The average temperature settles comfortably at 26°C (79°F), slightly cooler than the preceding months but still ideal for beach outings and water activities. As the year winds down, there's a subtle dip in nighttime temperatures compared to the balmy days of summer, yet the warm winter climate continues to attract visitors seeking sun-soaked relaxation. This modest shift illustrates the region's consistency, with December mirroring the characteristic warmth found throughout the year, making it a perfect escape from the chill of colder climates.

December Weather in Cruz Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Cruz Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cruz Bay, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777777787981818282818079
Data source: Temperature data for Cruz Bay 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 Cruz Bay

In December, Cruz Bay, Virgin Islands, experiences a modest precipitation level of 51 mm (2.0 in), making it one of the driest months of the year. While the rainfall is lower than the summer peak months of July (93 mm) and August (113 mm), it still contributes to the region's tropical charm. With 16 days of precipitation, December mirrors the wet patterns seen in November, creating a festive yet slightly damp atmosphere as the holiday season unfolds. Interestingly, this month serves as a transition point; the earlier months of the year tend to see lighter rains, with January and February averaging around 33 mm (1.3 in) and 32 mm (1.2 in) respectively. Overall, while December is relatively wet, it heralds the approach of the drier months ahead.

December Precipitation Trends in Cruz Bay

The chart displays monthly precipitation patterns in Cruz Bay, 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 Cruz Bay, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3332373960619311315713310651
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Cruz Bay

In Cruz Bay, U.S. Virgin Islands, December sees a humidity level of 77%, which is quite consistent with the overall trend observed throughout the year. The humidity begins at a moderate 77% in January, dipping slightly to 76% in February before gradually increasing through the spring to 78% in May. The summer months bring a noticeable rise, peaking at 82% in both July and August, when the tropical climate feels especially balmy. However, as fall approaches, humidity gently declines, settling back down to 79% in both October and November before finishing the year at a level comparable to its start. This pattern reflects the characteristic humidity fluctuations of a tropical climate, ensuring that while December may feel comfortably humid, it remains aligned with the island's inviting maritime atmosphere.

December Average Humidity in Cruz Bay

This chart illustrates the average monthly humidity levels in Cruz Bay, 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 Cruz Bay is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%76%77%78%79%82%82%80%79%79%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cruz Bay

As December unfolds in Cruz Bay, Virgin Islands (U.S.), the UV Index begins to taper off just slightly, registering at 8 and falling into a very high exposure category, with a burn time of about 15 minutes. This marks a notable shift from the extreme levels observed from March through October, where the index consistently peaked at 13 or higher, demanding caution for sun-seekers. The month of November also witnessed a decrease to a UV Index of 9, indicating a transition towards safer sun exposure. Despite these reductions, it remains crucial to stay vigilant; UV levels can still pose significant risks. For detailed daily updates and tips on sun safety, check out Cruz Bay UV Index.

Maximum UV Index Levels in Cruz Bay for December

The chart shows the monthly maximum UV Index (UVI) for Cruz Bay 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 Cruz Bay typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131313141298
Data source: Cruz Bay 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 Cruz Bay

In Cruz Bay, U.S. Virgin Islands, December ushers in a delightful 321 hours of sunshine, marking a gradual decline as the year draws to a close. Following the sunniest months of May and June, which boast 358 and 345 hours respectively, December still holds its charm with ample daylight. Interestingly, the sun shines longest in March at 350 hours, but the overall trend suggests a beautiful consistency, with sunshine hours remaining relatively high throughout the fall and winter months. As visitors flock to this tropical paradise, December's golden rays create the perfect backdrop for exploring the island’s stunning beaches and vibrant culture.

Monthly Sunshine Duration in Cruz Bay: December Highlighted

The December sunshine duration represents the total number of hours Cruz Bay 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.
JanFebMarAprMayJunJulAugSepOctNovDec258h299h350h348h358h345h355h347h320h316h304h321h
Data source: Cruz Bay December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cruz Bay During December

In Cruz Bay, Virgin Islands, December enjoys a favorable 70% chance of sunny weather, marking it as one of the sunnier months of the year. As the year winds down, sunshine remains a staple, with December's likelihood closely mirroring the previous month’s 67%. This trend of increasing clarity is bolstered by the upward trajectory of sunshine probability observed from the summer months, where the chances dip significantly, particularly in June at a mere 23%. By December, however, vibrant sunlight becomes a delightful norm, encouraging visitors to bask in the tropical warmth as they celebrate the festive season.

Percentage of Sunny Days in December in Cruz Bay

The chart illustrates the percentage of sunny days in Cruz Bay 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 Cruz Bay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%73%72%50%63%24%48%46%58%55%67%70%
Data source: Cruz Bay December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cruz Bay in December

In Cruz Bay, U.S. Virgin Islands, the daylight duration exhibits a rhythmic pattern throughout the year, with December offering 11 hours of sunlight. As we transition from the end of the year into winter, daylight remains stable at this duration, mirroring the months of January and February. Following this period, the days gradually lengthen, peaking at 13 hours in June and July, before gently tapering downwards in the latter half of the year. This cyclical dance of daylight emphasizes the island's tropical character, where lush surroundings bask in ample sunshine, not just in December, but throughout the changing seasons.

Average Daylight Hours in Cruz Bay for December

The chart illustrates the variation in daylight duration in Cruz Bay throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 9m11h 32m12h 2m12h 33m12h 59m13h 11m13h 5m12h 42m12h 12m11h 41m11h 15m11h 2m
Data source: Cruz Bay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Cruz Bay

As December settles in Cruz Bay, the winds begin to pick up, averaging 7.9 m/s (18 mph), creating a refreshing contrast to the quieter breezes of September, which saw an average of just 5.6 m/s (12 mph). This increase is part of a noticeable trend, with wind speeds gradually rising through the late fall months, peaking in July at 8.5 m/s (19 mph). While the island welcomes the gustier conditions typical of winter, the winds in December remain gentle enough to allow for leisurely afternoons by the beach, harmonizing perfectly with the picturesque island scenery. As life on this vibrant island transitions into the festive holiday season, the winds of December add a lively touch, drawing both locals and visitors to embrace the serene yet spirited atmosphere that permeates Cruz Bay.

Average December Wind Speed in Cruz Bay

The chart displays monthly wind speed patterns in Cruz Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.98.77.46.37.18.28.57.45.66.16.57.9 m/s
Data source: Cruz Bay December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Cruz Bay Compares to Other Months

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

In December, temperatures in Cruz Bay range from a minimum of 24°C (75°F) to a maximum of 28°C (83°F), with an average temperature of 26°C (79°F). The month experiences relatively high precipitation, totaling 51 mm (2.0 in) over 16 days, while the humidity remains at 77%. In contrast, January sees slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 25°C (78°F), and a maximum of 27°C (80°F). Precipitation decreases to 33 mm (1.3 in) over 13 days, maintaining the same humidity level of 77%. For more detailed information about January weather in Cruz Bay, you can check Cruz Bay weather in January.

December and February offer similar warm climates, with average temperatures hovering around 26°C (79°F) and 25°C (77°F) respectively. However, December tends to be slightly warmer, with daily highs reaching up to 28°C (83°F), while February's maximum temperature is a bit lower at 27°C (80°F). Precipitation also differs, as December experiences more rain with a total of 51 mm (2.0 in) spread over 16 days, compared to February, which sees only 32 mm (1.2 in) over 12 days. Humidity levels remain relatively high in both months, with December at 77% and February slightly lower at 76%. For more detailed information, you can check out Cruz Bay weather in February.

In December, the weather tends to be slightly warmer, with temperatures averaging around 26°C (79°F) during the day, compared to March's average of 25°C (77°F). December also experiences more rainfall, with 51 mm (2.0 in) spread over 16 days, while March sees 37 mm (1.5 in) over just 12 days. The humidity levels are comparable, at 77% in December and 75% in March, but the overall feel is generally more humid in December. For a detailed look at the climate in March, you can check out this link: Cruz Bay weather in March.

In comparing the weather of December and April, both months exhibit warm tropical temperatures, with December recording a minimum of 24°C (75°F) and an average of 26°C (79°F), while April shows a slightly cooler minimum of 23°C (74°F) and an average of 25°C (78°F). December experiences a bit higher precipitation at 51 mm (2.0 in) over 16 days, compared to April's 39 mm (1.5 in) over just 8 days, indicating a drier climate during the latter month. Humidity levels remain consistent at 77% for both months, contributing to the overall warm and humid conditions typical of this tropical region. For more details on specific conditions for Cruz Bay, check out Cruz Bay weather in April.

In both December and May, the weather remains relatively consistent, with average temperatures hovering around 26°C (79°F) and daily highs reaching up to 28°C (82-83°F). December sees slightly lower precipitation at 51 mm (2.0 in) across 16 days, while May experiences a bit more rainfall with 60 mm (2.4 in) over 14 days. Humidity levels are also similar, with December at 77% and May at 78%. For a closer look at the weather conditions in May, check out Cruz Bay weather in May.

In December, the average temperature ranges from a minimum of 24°C (75°F) to a maximum of 28°C (83°F), with an average of 26°C (79°F). Precipitation levels are relatively moderate at 51 mm (2.0 in) over 16 days, and humidity sits at 77%. In contrast, June experiences slightly warmer temperatures, with a minimum of 25°C (76°F) and a maximum of 29°C (84°F), leading to an average of 27°C (81°F). Precipitation is also a bit higher at 61 mm (2.4 in) over the same number of days, with humidity increasing slightly to 79%. For more detailed information about the weather in June, check out Cruz Bay weather in June.

When comparing the weather in December and July, it becomes clear that both months experience warm temperatures, but with distinct differences. In December, the average temperature hovers around 26°C (79°F), with a low of 24°C (75°F) and a high of 28°C (83°F). This month sees approximately 51 mm (2.0 in) of rainfall over 16 days and maintains a humidity level of 77%. In contrast, July experiences slightly warmer conditions with an average temperature of 27°C (81°F), a minimum of 25°C (78°F), and a maximum of 29°C (84°F). However, July is also wetter, receiving about 93 mm (3.7 in) of rain over 19 days and has a higher humidity level of 82%. For a more detailed look at the weather in July, you can check out Cruz Bay 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 sees a marginally warmer minimum of 25°C (77°F) and an average of 28°C (82°F). August also experiences significantly higher rainfall, totaling 113 mm (4.4 in) across 17 days, compared to December's 51 mm (2.0 in) over 16 days. Humidity levels are higher in August at 82%, compared to December's 77%. For more detailed information on August weather, check out Cruz Bay weather in August.

In comparing the weather between December and September, December allows for slightly cooler temperatures, with an average of 26°C (79°F), compared to September's warmer average of 28°C (82°F). September also experiences higher precipitation, averaging 157 mm (6.2 in) over 18 days, which is significantly more than December's 51 mm (2.0 in) across 16 days. Additionally, humidity levels are slightly elevated in September at 80%, in contrast to December's 77%. For more detailed information, you can check out Cruz Bay weather in September.

In comparing the weather between December and October, December tends to be slightly cooler with an average temperature of 26°C (79°F) compared to October's average of 27°C (82°F). While both months have high humidity levels, December's humidity is slightly lower at 77% versus October's 79%. Rainfall is more prevalent in October, with 133 mm (5.2 in) of precipitation over 18 days, whereas December sees only 51 mm (2.0 in) of precipitation over 16 days. For a detailed look at October weather patterns, check out Cruz Bay weather in October.

In December, the weather remains warm with temperatures averaging between 24°C (75°F) and 28°C (83°F), similar to November, where the average is slightly higher at 27°C (80°F). However, December experiences significantly less precipitation, with only 51 mm (2.0 in) compared to November's 106 mm (4.2 in). Both months have about 16 days of precipitation, but December's humidity is slightly lower at 77%, compared to November's 79%. For a more detailed look at November's conditions, you can visit the following link: Cruz Bay weather in November.

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Conclusion: What to Expect From December Weather in Cruz Bay

As December arrives in Cruz Bay, the weather begins to shift, ushering in a cooler yet still tropical climate. With average temperatures resting comfortably around 26°C (79°F), daytime highs can reach a warm 28°C (83°F) while nights offer a mild retreat at 24°C (75°F). This month sees a notable increase in precipitation, with about 51 mm (2.0 in) spread over 16 days, contributing to the lush beauty of the island. The humidity remains relatively high at 77%, creating a humid but pleasant atmosphere perfect for holiday getaways. For those seeking to explore more about the weather patterns throughout the year, be sure to check out Cruz Bay Climate.