Last updated: August 21, 2025
December in Little Cayman, Cayman Islands offers a delightful escape with temperatures averaging around 26°C (80°F). Expect maximum highs of 28°C (83°F) and comfortable minimums of 22°C (72°F), creating a pleasant atmosphere for outdoor adventures. While the month sees some rain, with approximately 38 mm (1.5 in) of precipitation over 11 days, the humidity remains high at 78%, ensuring a tropical vibe. Embrace the warmth and charm of Little Cayman as you unwind in its pristine surroundings during this enchanting December weather.
In December, Little Cayman, Cayman Islands, welcomes a comfortable climate marked by pleasant temperatures that hint at the season's transition. The month typically sees a minimum of 22°C (72°F), rising to an average of 26°C (80°F), with peaks reaching around 28°C (83°F). This slight dip in temperatures from the previous months, which feature a consistent average around 27°C (81°F) and higher, signals the start of cooler days while maintaining a warm backdrop perfect for beach activities and exploration. Overall, December presents a lovely balance, inviting visitors to enjoy outdoor adventures under bright Caribbean skies without the peak summer heat.
In December, Little Cayman experiences a moderate drop in precipitation, recording 38 mm (1.5 in) of rainfall over 11 days. This follows a significantly wetter November, which saw 160 mm (6.3 in) across 15 days, marking one of the peak months of the year. The trend suggests a gradual tapering of rainfall as the year comes to a close, with December’s totals reflecting the transitional phase into drier winter months. While December may bring less rain compared to the summer peak in May and October, the island's lush greenery remains vibrant, supported by the cumulative moisture from earlier months.
As the year winds down, December in Little Cayman, Cayman Islands, brings a slightly elevated humidity level of 78%, mirroring November's conditions. This uptick completes a trend where humidity fluctuates within a relatively narrow range throughout the year, predominantly hovering between 73% and 78%. The months generally showcase a gradual decline from the breezy 74% in March through to the mid-seventies, with the humidity peaking towards the end of the year. In essence, while December may feel a bit more humid compared to the earlier months, it ensures the tropical charm of Little Cayman remains both inviting and vibrant.
As the year comes to a close, Little Cayman, Cayman Islands, experiences a notable fluctuation in its UV Index throughout the months. December wraps up with a UV Index of 8, categorized as very high, which offers a slight reprieve from the extreme levels seen in the heart of summer. From February through to June, the index peaks at 13, indicating a critical need for sun protection as burn times drop to just 10 minutes. Interestingly, the trend shifts as the year transitions; while January and November maintain a very high rating with 15-minute burn limits, the months of summer—from July to September—also show sustained high UV levels. The consistent call for caution under the bright Caribbean sun is an important reminder for those looking to enjoy the stunning beaches and landscapes. For more information on the UV index, check out Little Cayman UV Index.
UV Risk Categories
In Little Cayman, December greets visitors with a generous 300 hours of sunlight, making it a delightful time to explore the island's natural beauty. As the year winds down, the island transitions from its sunniest months—July, with a peak of 352 hours, and April, following closely at 343 hours—to the more tempered sunshine of December. This trend of abundant sunlight persists through the fall, with hours mostly hovering around the 300 mark, ensuring that guests can soak in the warm rays while enjoying tranquil beach life or vibrant reef dives. This blend of bright days and comfortable temperatures makes December a perfect escape, inviting all to revel in the island’s serene island glow before the new year begins.
Little Cayman, Cayman Islands, experiences a notable trend in sunny weather throughout the year, with December standing out at a promising 74% chance of sunshine. As the region transitions from the more variable conditions of late fall, when sunshine dips to around 41% in November, December marks a return to brighter days, reminiscent of the sunnier months like February and March, which boast percentages as high as 81% and 79% respectively. After enduring the cloudier summer months, with June hitting a low of 40%, the island welcomes a significant swing back towards sunnier skies, making it an ideal time for sunseekers to enjoy Little Cayman's beautiful beaches.
As December arrives in Little Cayman, daylight begins to wane, providing approximately 10 hours of sunlight—a notable dip from the 11 hours seen in November. This gradual decrease in daylight is part of a cyclical trend that starts with longer days in the spring, peaking at 13 hours during the summer months of May through July. As the year progresses into autumn, daylight hours slowly recede, transitioning from the vibrant light of summer to the shorter, cozier days of winter. By the time winter solstice hits, the island feels the gentle embrace of its December twilight, reminding residents and visitors alike of the ebb and flow of natural rhythms in this idyllic Caribbean paradise.
In December, Little Cayman welcomes a brisk shift in its coastal breezes, with the average wind speed climbing to 7.0 m/s (16 mph), the highest of the year. This uptick heralds a refreshing end to the year, contrasting sharply with the calmer winds of September and October, which dip as low as 4.2 m/s (9 mph). As the holiday season unfolds, the winds begin to invigorate, hinting at the vibrant energy that defines the island’s tropical ambiance. Notably, this month stands out with a noteworthy increase compared to the preceding months, where average wind speeds fluctuate between 5.3 m/s (12 mph) and 6.3 m/s (14 mph). The December winds are a cherished element of the island's charm, enhancing the allure for those seeking adventure and tranquility alike.
Weather in Little Cayman varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Little Cayman, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January weather exhibits some similarities, but there are notable differences. In December, the temperatures range from a minimum of 22°C (72°F) to a maximum of 28°C (83°F), with an average temperature of 26°C (80°F). The month also sees approximately 38 mm (1.5 in) of precipitation over 11 days and a humidity level of 78%. In contrast, January's temperatures slightly drop, with a minimum of 20°C (69°F) and the same maximum of 28°C (82°F), maintaining an average of 26°C (78°F). Precipitation decreases to 36 mm (1.4 in) over just 8 days, with humidity slightly lower at 77%. For more detailed insights on the weather, you can check Little Cayman weather in January.
In December, the weather features a slightly warmer climate with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F), averaging around 26°C (80°F). This month also sees more precipitation, totaling 38 mm (1.5 in) over approximately 11 days, and humidity levels remain elevated at 78%. In contrast, February offers similar temperatures, with a minimum of 22°C (71°F) and a maximum of 27°C (81°F), averaging 26°C (79°F). However, it experiences less rainfall, with only 25 mm (1.0 in) occurring over 7 days, and slightly drier conditions with humidity at 76%. For more details about February weather, you can check Little Cayman weather in February.
In December, the weather features a minimum temperature of 22°C (72°F) and an average of 26°C (80°F), peaking at 28°C (83°F). The month experiences 38 mm (1.5 in) of precipitation over 11 days, accompanied by a humidity level of 78%. In contrast, March presents slightly warmer conditions with a minimum temperature of 23°C (73°F), while maintaining the same average and maximum temperatures as December. Rainfall decreases to 19 mm (0.8 in) over just 5 days, and humidity dips slightly to 74%. For more detailed information, you can check Little Cayman weather in March.
December and April in Little Cayman showcase similar warm temperatures, with averages around 26°C (80°F). However, December tends to experience slightly cooler nights, with a minimum temperature of 22°C (72°F), compared to April's warmer minimum of 24°C (75°F). Precipitation is relatively comparable, with December receiving 38 mm (1.5 in) over 11 days, while April sees a slightly lower total of 35 mm (1.4 in) across just 6 days. Humidity also remains high in both months, but April is a bit drier at 75% compared to December's 78%. For more detailed insights, you can check Little Cayman weather in April.
In comparing the weather between December and May, December presents a slightly cooler climate with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F). It experiences less rainfall, totaling 38 mm (1.5 in) over about 11 days, contributing to a higher humidity level of 78%. In contrast, May is warmer, with temperatures starting at a minimum of 24°C (75°F) and peaking at 29°C (84°F). However, May sees significantly more precipitation, with 131 mm (5.2 in) spread over 18 days and a marginally lower humidity of 73%. For more detailed information, check out Little Cayman weather in May.
In December, the weather features a minimum temperature of 22°C (72°F) and an average high of 28°C (83°F), with an average humidity of 78%. This month experiences relatively low precipitation, averaging 38 mm (1.5 in) over 11 days. By contrast, June brings slightly warmer conditions with a minimum temperature of 25°C (77°F) and an average high of 30°C (85°F). June also sees increased precipitation, totaling 61 mm (2.4 in) across 12 days, but with a slightly lower humidity of 73%. For more information about the weather specific to June, visit Little Cayman weather in June.
In December, temperatures in Little Cayman are generally milder, with a minimum of 22°C (72°F) and an average of 26°C (80°F), peaking at 28°C (83°F). The month sees about 38 mm (1.5 in) of precipitation spread over 11 days, accompanied by a higher humidity level of 78%. In contrast, July experiences warmer temperatures, with a minimum of 25°C (78°F) and an average of 29°C (84°F), reaching up to 31°C (88°F). July also has slightly more rainfall, totaling 52 mm (2.0 in) over 12 days, but with a lower humidity of 75%. For more detailed insights, you can check Little Cayman weather in July.
In December, the weather is generally milder with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F) and an average of 26°C (80°F). The month experiences moderate humidity at 78% and relatively low precipitation, totaling 38 mm (1.5 in) over about 11 days. In contrast, August is warmer, with temperatures fluctuating between 26°C (78°F) and 30°C (87°F), averaging around 29°C (84°F). August also sees significantly more rainfall, with 116 mm (4.6 in) occurring over 15 days, while humidity remains slightly lower at 75%. For more detailed insights, you can check Little Cayman weather in August.
In comparing the weather of December and September, December tends to be slightly cooler with an average temperature of 26°C (80°F) compared to September's warmer average of 28°C (84°F). September also features higher maximum temperatures at 30°C (86°F) and a noticeably higher level of rainfall, totaling 97 mm (3.8 in) over 17 days, while December receives only 38 mm (1.5 in) on 11 days. Additionally, December's humidity is a bit higher at 78%, compared to September's 75%, offering a somewhat more humid experience. For more detailed information, you can check out Little Cayman weather in September.
When comparing the weather in December and October, December tends to be slightly cooler, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F), while October exhibits warmer conditions with temperatures fluctuating between a minimum of 25°C (78°F) and a peak of 30°C (85°F). Additionally, October is significantly wetter, receiving 229 mm (9.0 in) of precipitation over 23 days, compared to December's much lighter rainfall of 38 mm (1.5 in) across just 11 days. Humidity levels remain relatively similar, with December at 78% and October at 75%. For more details on the weather in October, you can visit Little Cayman weather in October.
In comparing the weather between November and December, December tends to be slightly cooler with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F), while November is warmer, featuring temperatures between 24°C (76°F) and 29°C (85°F). Precipitation also varies significantly, as November experiences heavier rainfall of 160 mm (6.3 in) over 15 days, compared to December's lighter rain totaling 38 mm (1.5 in) across 11 days. Both months have a humidity level maintained at 78%, making them both comfortable yet distinct. For a closer look at the weather conditions in November, you can visit Little Cayman weather in November.
As December rolls in, Little Cayman transforms into a tropical paradise, offering visitors a delightful escape with its pleasant temperatures and inviting atmosphere. Compared to the warmer summer months, December boasts more moderate highs and lows, making it an ideal time for outdoor adventures. While the precipitation increases slightly, with around 11 days of rain, the humidity remains comfortable, allowing you to fully enjoy the island's natural beauty. This month strikes a perfect balance, inviting travelers to experience the warmth and charm of Caribbean winter. To learn more about weather patterns throughout the year, visit Little Cayman Climate.