Last updated: August 31, 2025
In December, Florida and Puerto Rico experience pleasantly warm temperatures, with daily highs reaching up to 30°C (86°F) and average conditions settling around 24°C (75°F). Nights bring a comfortable coolness, dipping to a minimum of 19°C (66°F). While visitors can enjoy the balmy weather, they should be prepared for occasional rain, as 39 mm (1.5 in) of precipitation occurs over approximately 13 days. Humidity levels hover around 76%, contributing to a tropical atmosphere that makes this time of year particularly inviting for outdoor activities and festive celebrations.
In December, temperatures in Florida and Puerto Rico begin to cool slightly while still maintaining a pleasant warmth that is perfect for winter escapes. With minimum temperatures hovering around 19°C (66°F) and highs reaching 30°C (86°F), both destinations offer a comfortable climate that invites outdoor exploration and relaxation. The average temperature settles at a delightful 24°C (75°F), striking a balance between sunny days and cooler evenings. As the year winds down, the consistent temperatures remind visitors of the tropical charm that these locales are renowned for, providing an enticing backdrop for holiday festivities or tranquil beach days. Overall, December marks a transition into a refreshing yet inviting season, encouraging visitors to enjoy everything Florida and Puerto Rico have to offer.
In December, Florida and Puerto Rico experience a noticeable decrease in precipitation, with average rainfall measuring 39 mm (1.5 in) over approximately 13 days. This decline follows a peak in September, where a staggering 205 mm (8.1 in) fell across 26 days, marking the wettest month of the year. As the year winds down, December's relatively dry conditions provide a stark contrast to the summer months, characterized by intensity and frequency of showers. The seasonal shift highlights a gradual transition into drier winter months, creating a unique climatic rhythm that residents have come to anticipate. This pattern of fluctuating precipitation underscores the diverse climatic experience of the region throughout the year, offering both challenges and charms alike.
In December, humidity levels in Florida and Puerto Rico settle at 76%, reflecting a trend of stabilizing moisture as the year draws to a close. Following the peak of 80% in both July and August, the humidity experiences a gradual decline during the fall months, finally leveling off in December. This modest decrease from the summer highs signals the arrival of cooler temperatures, creating a more comfortable atmosphere, especially for those enjoying the festive season. The slight drop in humidity from previous months indicates a transition into winter, yet it remains generally high compared to many other regions, maintaining that characteristic tropical feel that Florida and Puerto Rico are known for.
As we dive into the UV Index for December in Florida and Puerto Rico, a noticeable trend emerges from the year-round data. With an index of 8, December marks a slight decrease from the preceding months, transitioning from the rather consistent extreme exposure levels seen from February through October to a more moderate very high category. This month brings a burn time of 15 minutes, offering a brief respite compared to the 10 minutes seen throughout most of the year. It's essential to stay vigilant, as even in December, the sun’s intensity can still pose risks; ensure you're prepared by checking the latest details here: Florida UV Index.
UV Risk Categories
In December, Florida and Puerto Rico bask in a delightful 319 hours of sunshine, concluding the year on a bright note. This month subtly shifts the trend established in the cooler winter months, where sunlight slowly begins to reclaim its strength. Following the dip in November's 296 hours, December offers a rejuvenating increase that sets the stage for the sun-kissed days of the coming year. While January starts the annual cycle with 257 hours, it’s evident that as the months roll on, the sun's presence steadily grows stronger, culminating in the vibrant rays of May and June, boasting 356 and 342 hours respectively. This warm December sunshine not only provides a picturesque backdrop for holiday festivities but also emphasizes Florida and Puerto Rico's charm as winter sun destinations.
In Florida and Puerto Rico, December offers a promising forecast with a 59% chance of sunny weather. This likelihood is a notable increase from the earlier months of summer, where humidity and storms dominate the landscape, resulting in much lower chances of sun, particularly in June (23%) and July (39%). As the year winds down, sunny days begin to trend upward, making December's weather particularly enjoyable compared to the previous months. With a still respectable chance of sunshine in November (54%), December stands out as a beacon for those seeking warmth and radiant blue skies, promising a delightful reprieve as the holiday season approaches.
In December, Florida and Puerto Rico experience 11 hours of daylight, continuing a trend established in both January and February. As the year unfolds, daylight gradually increases from 11 hours in the winter months to 13 hours by June and July. This peak signifies the vibrant summer, after which daylight begins to taper off again, settling back to 11 hours by the end of fall. The consistent daylight duration in December reflects a rhythmic cycle of seasons, making it an ideal time for holiday celebrations in these sun-kissed regions, even as they welcome shorter days.
As December settles in, the winds of Florida and Puerto Rico embrace a gentle rhythm, averaging 3.2 m/s (7 mph), making it a notably breezy month. This uptick in wind speed follows a trend observed since the summer months, where July and August peaked at 3.6 m/s (8 mph) and 3.2 m/s (7 mph) respectively. Interestingly, the winds generally moderate into autumn, with September and October dipping to their annual lows of 2.1 m/s (5 mph) and 2.3 m/s (5 mph). However, as the year's end approaches, the December winds recapture some of that summer vigor, providing a refreshing contrast to the preceding months and ushering in the cooler season with a playful breeze.
Weather in Florida varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Florida, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather features slightly warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 30°C (86°F), averaging around 24°C (75°F). The month also sees around 39 mm (1.5 in) of precipitation over 13 days, paired with consistent humidity at 76%. Conversely, January brings a slight drop in temperatures, with a minimum of 15°C (59°F) and a maximum of 28°C (84°F), averaging 23°C (74°F). Precipitation is marginally lower at 38 mm (1.5 in) across 12 days, while humidity remains steady at 76%. For more detailed information, you can explore Florida weather in January.
December and February exhibit similar warm weather patterns, with average temperatures slightly higher in December, ranging from a minimum of 19°C (66°F) to a maximum of 30°C (86°F). In comparison, February experiences a slightly cooler range, with temperatures ranging from 18°C (64°F) to 29°C (85°F). Both months feature comparable humidity levels, hovering around 75-76%, and precipitation is almost on par; December sees 39 mm (1.5 in) over 13 days, while February has a bit more rainfall at 42 mm (1.7 in) across 12 days. For more detailed information, check Florida weather in February.
December and March exhibit similar temperature ranges, with average highs reaching 30°C (86°F) in both months. However, December tends to be slightly warmer, with average temperatures peaking at 24°C (75°F) compared to March's average of 23°C (74°F). In terms of precipitation, March is notably wetter, receiving 88 mm (3.4 in) over 16 days, while December sees less rain at 39 mm (1.5 in) over 13 days. The humidity levels are also quite comparable, with December at 76% and March slightly lower at 74%. For more insight into March weather specifics in Florida, you can visit Florida weather in March.
In December, the weather is quite warm with minimum temperatures around 19°C (66°F) and average highs reaching up to 30°C (86°F). However, it tends to be slightly drier, with a total precipitation of 39 mm (1.5 in) spread over 13 days, resulting in a humidity level of 76%. In contrast, April maintains a similar temperature range, with minimums at 18°C (65°F) and average highs also at 30°C (86°F), but experiences significantly more rain, totaling 87 mm (3.4 in) over 18 days. The humidity in April is marginally lower at 75%. For more detailed insights into this month's weather patterns, you can check Florida weather in April.
When comparing the weather in December and May, we see some notable differences. December features slightly lower temperatures, with a minimum of 19°C (66°F) and an average of 24°C (75°F), while May sees temperatures beginning at a higher minimum of 21°C (69°F) and averaging 25°C (77°F). Additionally, May experiences more precipitation, totaling 104 mm (4.1 in) over 21 days, compared to December's 39 mm (1.5 in) across just 13 days. Humidity levels remain relatively consistent between the two months, hovering around 75-76%. For a closer look at the specifics of May weather, you can check out this link: Florida weather in May.
December and June present distinct weather patterns in Florida, showcasing the region's tropical characteristics. December typically experiences a minimum temperature of 19°C (66°F) and averages around 24°C (75°F), with maximum temperatures reaching 30°C (86°F). In contrast, June sees slightly warmer temperatures, with a minimum of 21°C (71°F), an average of 26°C (79°F), and a peak of 31°C (88°F). Precipitation levels also vary significantly, with December receiving 39 mm (1.5 in) over 13 days, while June faces a much wetter climate, totaling 96 mm (3.8 in) across 18 days. Both months have similar humidity levels, with December at 76% and June at 77%. For more details on June's weather, visit Florida weather in June.
The weather in December and July presents notable differences. In December, the temperatures range from a minimum of 19°C (66°F) to a maximum of 30°C (86°F), with an average of 24°C (75°F). The month sees around 39 mm (1.5 in) of precipitation over approximately 13 days, with humidity levels averaging 76%. In contrast, July experiences warmer conditions, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 32°C (89°F), and an average of 26°C (80°F). July's precipitation is significantly higher, totaling 104 mm (4.1 in) over around 20 days, and humidity increases slightly to 80%. For more information on this seasonal transition, you can explore Florida weather in July.
The weather in December and August shows notable differences, particularly in temperature and precipitation. December experiences milder temperatures, with a minimum of 19°C (66°F) and an average of 24°C (75°F), while August is warmer, with a minimum of 22°C (72°F) and an average of 26°C (80°F). Precipitation also varies significantly, as December receives 39 mm (1.5 in) over 13 days, whereas August experiences much heavier rainfall, totaling 111 mm (4.4 in) across 20 days. Additionally, humidity levels are slightly higher in August at 80%, compared to 76% in December. For more detailed insights on August weather, check out Florida weather in August.
When comparing the weather in December and September, December generally offers milder temperatures with a minimum of 19°C (66°F) and an average of 24°C (75°F), while September experiences warmer averages with a minimum of 22°C (72°F) and an average of 26°C (79°F). September also sees significantly higher precipitation, with 205 mm (8.1 in) over 26 days, compared to December’s 39 mm (1.5 in) across only 13 days. Additionally, humidity levels are quite similar, with September at 79% and December at 76%, making December slightly less humid. For more details on September weather, check out Florida weather in September.
In comparing the weather of December and October, December features slightly warmer temperatures, with an average of 24°C (75°F) compared to October's average of 25°C (78°F). However, October experiences higher maximum temperatures, reaching up to 32°C (89°F), while December peaks at 30°C (86°F). Precipitation is significantly greater in October, with 171 mm (6.7 in) over 25 days, compared to December's 39 mm (1.5 in) over just 13 days. Humidity levels are fairly similar, with December at 76% and October slightly higher at 78%. For more detailed insights into October's weather, you can visit Florida weather in October.
In comparing the weather of December and November, both months experience similar minimum and maximum temperatures, hovering between 19°C (66°F) and 30°C (86°F). However, December tends to be slightly cooler on average, with an average temperature of 24°C (75°F) compared to November’s 25°C (77°F). Precipitation levels also differ significantly; December sees a reduction in rainfall with only 39 mm (1.5 in) over 13 days, while November experiences much higher precipitation at 116 mm (4.6 in) across 18 days. Humidity levels remain relatively close, with December at 76% and November at 78%. For more details, you can check Florida weather in November.
As December unfolds in Florida, the weather takes on a delightful transformation, offering a refreshing break from the summer heat. While temperatures can still climb to a pleasant 30°C (86°F), they typically hover around a comfortable 24°C (75°F), making outdoor activities enjoyable without the sweltering humidity of summer. This month brings periodic showers, with 39 mm of precipitation spread across about 13 days, adding a touch of moisture to the air, which stays around 76% humidity. In contrast to the often oppressive summer months, December's climate is mild and welcoming, inviting residents and visitors to embrace the outdoors. For a deeper dive into Florida's seasonal variations, check out the detailed information at Florida Climate.