Last updated: February 24, 2025
In December, Islamorada experiences a pleasant tropical climate, characterized by a maximum temperature of 26°C (79°F) and an average temperature of 23°C (73°F). Temperatures can dip to a minimum of 13°C (56°F), offering mild evenings. The month sees about 42 mm (1.7 in) of precipitation distributed over 6 days, creating a refreshing atmosphere amidst the holiday cheer. With an humidity level of 81%, the air retains a tropical feel, making it an ideal time for both relaxation and exploration in this vibrant locale.
December in Islamorada offers a delightful transition into the cooler months, with temperatures ranging from a chilly minimum of 13°C (56°F) to a comfortable maximum of 26°C (79°F). The average temperature hovers around 23°C (73°F), providing a pleasant escape from the harsher climates found elsewhere in the U.S. As the year draws to a close, the temperatures gradually drop, reflecting a pattern from previous months that hints at a slow and steady cooling trend. Visitors can expect mild days perfect for outdoor activities, while evenings invite lighter layers as the balmy tropical warmth gives way to a refreshing breeze. Overall, December's climate make it an appealing time for both relaxation and exploration in this stunning coastal paradise.
In December, Islamorada experiences a moderate precipitation level of 42 mm (1.7 in) across approximately 6 days of rain. This amount represents a drop from the heavier rainfall earlier in the fall, particularly September, which recorded a significant 204 mm (8.0 in) over 18 days. As the year comes to a close, it's evident that the rainy season is gradually subsiding, with November's 71 mm illustrating a notable decrease. Despite the reduced precipitation, December maintains a pleasant balance, allowing for enjoyable outdoor activities while still offering a refreshing ambiance characteristic of the region's winter months.
In Islamorada, December ushers in a notable humidity level of 81%, tying with January as the year's most humid month. This period reflects a trend of gradual humidity decrease from the peak in May, where it sits at 71%, towards the year-end. As the calendar turns to summer, humidity experiences a slight rise during the warmer months of June and July, peaking again at 80% in November. Ultimately, December wraps up the year on a damp note, hinting at the subtropical climate that characterizes this beautiful locale throughout the seasons.
In Islamorada, December marks a transition to a milder UV Index of 6, categorized as high, allowing for a burn time of 25 minutes. This is a notable decrease from the extreme levels experienced during the summer months, where the UV Index soared to 13 in June. The trend throughout the year highlights a pattern of escalating UV exposure from a moderate level in January to its peak in the warmer months of April through August. As the year winds down, December offers a window of opportunity for outdoor activities with fewer sun safety concerns, though vigilance remains important. For a detailed look at the UV Index trends throughout the year, visit Islamorada UV Index.
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December in Islamorada is bathed in 290 hours of sunshine, offering a delightful transition into the winter months. The trend throughout the year showcases a steady increase in sunlight, peaking in the vibrant summer months of July and August with 341 and 334 hours, respectively. As the year winds down, December reflects a slight dip from the luminous fall, yet still outshines the earlier winter months. With its generous sunshine, December invites both visitors and locals alike to enjoy outdoor adventures, bask in the warmth, and create lasting memories against a backdrop of stunning coastal views. The consistent availability of sunshine not only lifts spirits but also highlights why Islamorada is a year-round paradise.
December in Islamorada boasts a promising 70% chance of sunny weather, making it one of the highlights of the year for sun seekers. As we transition from the cooler months of November, which offers a 50% likelihood of sunshine, the trend shows an upward shift in sunny days as winter sets in. This increase is particularly notable when compared to the summer months, which experience significantly lower sunshine probabilities, hovering between 17% and 33%. With this inviting forecast, December presents an ideal opportunity for outdoor activities and relaxation under the Floridian sun.
In Islamorada, United States, December marks the return of shorter days, with daylight lasting about 10 hours—the same duration experienced in January and November. As the year progresses from February’s 11 hours to a peak of 13 hours in the summer months of May through July, it's clear that the longer days of spring and summer provide a vibrant contrast to the shorter winter days. This consistent seasonal pattern underscores the tropical charm of the Florida Keys, where the charm of longer daylight fuels both outdoor activities and relaxation, while the daylight brevity of December invites cozy indoor gatherings during the holiday season.
In Islamorada, the December winds shift gears, bringing an average speed of 4.5 m/s (10 mph), which marks a subtle decline from the breezy conditions of the preceding months. As the year wraps up, the wind tends to be gentler compared to the spring's higher speeds in March and April, where gusts reach up to 6.3 m/s (14 mph). This dip in December aligns with a noticeable trend: while the winter months often experience lower wind speeds, the moderate breezes provide a calming ambiance, perfect for enjoying the serene coastal scenery. Overall, December's winds continue the gradual decrease seen throughout the fall months, offering a peaceful conclusion to the seasonal cycle in this charming locale.
The weather in Islamorada changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Islamorada and find detailed weather information for every month.
In December, temperatures in Islamorada range from a minimum of 13°C (56°F) to a maximum of 26°C (79°F), with an average of 23°C (73°F). The month sees about 42 mm (1.7 in) of precipitation over six days, leading to a humid environment with humidity levels around 81%. In contrast, January offers slightly cooler conditions, with minimum temperatures dropping to 10°C (50°F) and an average of 21°C (71°F), while still peaking at 26°C (79°F). Precipitation decreases to 24 mm (0.9 in) across just four days, maintaining the same humidity level of 81%. For further details, check out Islamorada weather in January.
In December, temperatures range from a comfortable minimum of 13°C (56°F) to a maximum of 26°C (79°F), with an average of 23°C (73°F). The month experiences about 42 mm (1.7 in) of precipitation spread across 6 days, resulting in a relatively humid atmosphere with 81% humidity.
In contrast, February sees slightly warmer minimum temperatures at 14°C (58°F), while maintaining the same maximum at 26°C (79°F) and average temperature of 23°C (74°F). Precipitation decreases to 32 mm (1.3 in) over 7 days, with humidity remaining lower at 79%. Thus, February offers subtle variations in weather, making it a noteworthy comparison to December. For more details, check out Islamorada weather in February.
In December, the weather is characterized by a minimum temperature of 13°C (56°F) and an average of 23°C (73°F), with maximum temperatures reaching 26°C (79°F). This month experiences about 42 mm (1.7 in) of rainfall over approximately 6 days, accompanied by relatively high humidity levels at 81%. In contrast, March brings slightly warmer nights, with a minimum temperature of 14°C (58°F), while maintaining an average of 23°C (74°F) and a maximum of 26°C (80°F). Precipitation drops significantly to 23 mm (0.9 in) over just 3 days, and humidity decreases to 76%. For more detailed weather information, you can explore Islamorada weather in March.
In December, the weather is typically milder, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 26°C (79°F), accompanied by an average humidity of 81%. The month sees around 42 mm (1.7 in) of precipitation over approximately 6 days. In contrast, April experiences slightly warmer conditions, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 29°C (84°F) and lower humidity at 73%. April also has a bit more rainfall, with around 50 mm (2.0 in) spread across 9 days. For more detailed insights, check out Islamorada weather in April.
December and May present contrasting weather patterns. In December, temperatures range from a cooler minimum of 13°C (56°F) to a pleasant maximum of 26°C (79°F), with an average of 23°C (73°F). The month experiences some rainfall, with 42 mm (1.7 in) spread over six days, and humidity levels at a relatively high 81%. In comparison, May is notably warmer, with temperatures starting at a minimum of 21°C (70°F) and reaching up to 29°C (84°F), averaging 26°C (79°F). However, it also sees increased precipitation, totaling 157 mm (6.2 in) over 13 days, while humidity decreases to 71%. For more detailed insights on the weather in this period, check out Islamorada weather in May.
When comparing the weather in December and June, one can see distinct seasonal differences. December experiences milder temperatures, with averages ranging from a minimum of 13°C (56°F) to a maximum of 26°C (79°F), while the humidity is quite high at 81%. In contrast, June is significantly warmer, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), although the humidity drops to 69%. Additionally, June sees much more rainfall, with 125 mm (4.9 in) of precipitation over 18 days, compared to December's 42 mm (1.7 in) over just 6 days. For more details, check out Islamorada weather in June.
In December, temperatures are considerably milder, with an average of 23°C (73°F) and a maximum of 26°C (79°F), while the humidity is higher at 81%. In contrast, July brings warmer conditions with a minimum temperature of 25°C (78°F) and an average of 28°C (83°F), peaking at 31°C (87°F). Additionally, July experiences significantly more rainfall, with 113 mm (4.4 in) over 18 days, compared to December's 42 mm (1.7 in) spread over just 6 days. For those interested in more details about July's weather, you can find information here: Islamorada weather in July.
When comparing the weather in December and August, a noticeable difference can be observed in temperature and precipitation. December features milder temperatures with a minimum of 13°C (56°F) and an average of 23°C (73°F), while August experiences warmer conditions, with a minimum of 25°C (78°F) and an average of 29°C (84°F). In terms of precipitation, December sees 42 mm (1.7 in) over six days, whereas August is notably wetter, receiving 117 mm (4.6 in) over 18 days. Additionally, humidity levels are relatively higher in December at 81%, compared to 72% in August. For more detailed insights about weather in August, check out Islamorada weather in August.
In December, the weather tends to be cooler and drier compared to September. While December sees minimum temperatures around 13°C (56°F) and averages reaching 23°C (73°F) with a maximum of 26°C (79°F), September maintains much warmer conditions with minimums of 25°C (77°F) and averages of 28°C (83°F), peaking at 30°C (87°F). Additionally, December experiences significantly less precipitation, with only 42 mm (1.7 in) falling over about 6 days, whereas September is much wetter, receiving 204 mm (8.0 in) over 18 days. Humidity levels are also slightly higher in December at 81%, compared to 76% in September. For more detailed information, you can check Islamorada weather in September.
When comparing the weather in December and October, December tends to be milder with a minimum temperature of 13°C (56°F), averaging around 23°C (73°F), while the maximum reaches 26°C (79°F). In contrast, October features warmer temperatures, with a minimum of 18°C (65°F) and an average high of 30°C (86°F). Precipitation is notably higher in October, with 136 mm (5.3 in) falling over 17 days, compared to December's 42 mm (1.7 in) over just 6 days. Humidity levels are similar, at 81% in December and 79% in October. For more specific details about October weather, you can refer to Islamorada 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 13°C (56°F) to a maximum of 26°C (79°F), while November experiences higher temperatures, with a minimum of 15°C (60°F) and a maximum of 28°C (83°F). Precipitation also decreases in December, totaling 42 mm (1.7 inches) over 6 days compared to November's 71 mm (2.8 inches) over 10 days. Humidity levels remain relatively stable, at 81% in December and 80% in November. For a more detailed outlook on November's weather, you can check out Islamorada weather in November.
As December unfolds in Islamorada, it brings a pleasant shift from the lingering warmth of the autumn months. While temperatures are generally mild, averaging around 23°C (73°F), the month experiences cooler nights that dip to 13°C (56°F). This contrast creates a refreshing atmosphere, inviting both relaxation and exploration. December is also one of the more humid months, with an average humidity of 81%, but it is balanced by a manageable 42 mm (1.7 in) of rain over just a handful of days. Thus, December offers a delightful blend of warmth and cooler breezes, making it an ideal time to enjoy the beauty of this tropical paradise. For more in-depth information on what to expect throughout the year, check out the Islamorada Climate.