Last updated: February 24, 2025
Experience the charm of Siesta Key, United States in December, where temperatures gracefully range from a maximum of 27°C (81°F) to a minimum of 6°C (44°F). With an inviting average temperature of 19°C (67°F), this coastal paradise is perfect for leisurely strolls along its stunning beaches. However, visitors should be prepared for a touch of rain, as December sees 60 mm (2.4 in) of precipitation over 6 days, accompanied by a humidity level of 84%. Embrace the mild weather and natural beauty of Siesta Key as you enjoy the holiday season in this idyllic location.
December in Siesta Key, United States, marks a transition into cooler temperatures as the year comes to a close. With minimum temperatures dropping to around 6°C (44°F), the chill is noticeable, yet still inviting, especially when contrasted with the average of 19°C (67°F) and a pleasant maximum of 27°C (81°F). This month signals a shift from the warmer highs of earlier months, setting the stage for a more temperate climate that still allows for outdoor enjoyment. While the temperatures may dip, they remain moderate enough to entice visitors and locals alike to bask in Siesta Key's idyllic winter sun, making it an appealing escape from the frigid conditions found in many other regions during this time.
December in Siesta Key marks a transition into the cooler, drier season, with a precipitation total of 60 mm (2.4 in) spread over 6 days. This amount is notably lower than the summer months, which often see heavy rainfall, like July and August, where precipitation peaks at 196 mm (7.7 in) and 213 mm (8.4 in) respectively. As the year draws to a close, the weather becomes more temperate, providing a refreshing contrast to the previous months, particularly the torrential rains typical of June through September. While December still experiences some rainfall, it is a welcome respite for locals and visitors alike, paving the way for the sun-soaked, picturesque days characteristic of Siesta Key's winter climate.
In December, Siesta Key experiences a slight uptick in humidity, reaching 84%—the highest for the month among the annual trends. As the year progresses from the warmth of summer, where humidity dips to its lowest at 74% during July and August, there's a gradual rise in moisture levels toward the end of the year. Notably, November mirrors the January and February humidity at 82%, but December marks a significant jump, reflecting the seasonal shift and often cooler weather. Overall, while Siesta Key enjoys relatively stable humidity levels year-round, December stands out as a month where the air feels noticeably more humid, adding to the region's unique charm during the holiday season.
In December, Siesta Key experiences a notable shift in UV Index levels, dropping to a moderate rating of 5. This decline from the extreme readings of summer months means you can enjoy the outdoors with a safe burn time of 30 minutes without sunscreen. As you plan your winter activities, it's important to remember that while the sun's intensity decreases, UV rays can still be potent, especially during midday hours. If you're curious about the UV trends throughout the year, such as the transition from the intense summer sun to the milder winter rays, check out Siesta Key UV Index for more insights.
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December in Siesta Key sees an average of 281 hours of sunshine, contributing to a charming end to the year. While this is a slight dip from November’s 280 hours, it continues to showcase a consistent trend of sunny days that characterizes this coastal gem. As the year progresses from the crispness of January with 221 hours to the vibrant warmth of May, which boasts a high of 333 hours, Siesta Key exhibits a remarkable increase in sunshine as the months go by. By December, visitors can still enjoy plenty of bright days, making it an appealing retreat for those seeking a winter getaway. Whether basking on the beach or exploring local attractions, December offers a delightful blend of sunshine and holiday cheer.
In Siesta Key, the month of December brings a notably pleasant 59% chance of sunny weather, signaling the transition into winter. This likelihood marks a significant improvement from the summer months, where sunshine dips as low as 17% in August and 18% in June. As the year progresses, there's a clear upward trend in sunny days, with December showcasing a favorable outlook, especially when compared to the preceding months, such as November's 53% and October's 50%. With the inviting combination of milder temperatures and ample sunshine, December becomes an appealing time for both locals and visitors to enjoy the natural beauty of Siesta Key.
In Siesta Key, United States, the daylight duration throughout December mirrors the patterns of the preceding months, providing about 10 hours of sunlight. As the year draws to a close, daylight hours begin to shrink, offering an opportunity for cozy evenings and serene sunsets. This trend of decreasing daylight started in November and remained consistent into December, reflecting a seasonal shift as the region transitions into winter. Notably, the longest days occurred during the summer months, peaking at 13 hours from May to August, before gradually tapering off as autumn approaches. As we observe the cyclical nature of daylight throughout the year, December invites us to embrace the beauty of shorter days and the warmth of shared moments indoors.
In Siesta Key, December ushers in a noticeable shift in wind patterns, with an average wind speed of 3.0 m/s (7 mph), marking the year's lowest point. This decrease from the year’s prior months, particularly in November when winds were at 3.9 m/s (9 mph), highlights a trend towards calmer breezes as winter settles in. The steady drop from the warmer months of June (with an average of 3.4 m/s) through to September (at 2.7 m/s) indicates a gradual lessening of the invigorating coastal winds, creating a tranquil atmosphere suitable for beach strolls and relaxing days by the shore. As the year winds down, Siesta Key’s December breezes invite visitors to experience its serene beauty amidst the soft, whispering winds.
The weather in Siesta Key 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 Siesta Key and find detailed weather information for every month.
December weather is generally milder, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 27°C (81°F), while January sees a cooler minimum of 1°C (34°F) but maintains the same maximum. Precipitation in December is higher, with 60 mm (2.4 in) over 6 days compared to January's 36 mm (1.4 in) across just 4 days. Humidity levels are slightly lower in January at 82%, down from December's 84%. For a more detailed comparison of January weather in Siesta Key, you can check Siesta Key weather in January.
In December, temperatures in Siesta Key range from a minimum of 6°C (44°F) to a maximum of 27°C (81°F), with an average temperature of 19°C (67°F). The month sees about 60 mm (2.4 in) of precipitation over approximately 6 days and maintains a humidity level of 84%. In contrast, February experiences slightly warmer conditions, with minimum temperatures remaining the same at 6°C (44°F), an average of 20°C (67°F), and a maximum of 28°C (82°F). This month has reduced precipitation of 41 mm (1.6 in) over about 4 days and slightly lower humidity at 82%. For more detailed insights, check out Siesta Key weather in February.
In comparing the weather of December and March, we see some notable differences. December generally has a minimum temperature of 6°C (44°F) and can reach a maximum of 27°C (81°F) with an average of 19°C (67°F), accompanied by about 60 mm (2.4 in) of precipitation over 6 days and a high humidity level of 84%. In contrast, March features slightly warmer temperatures, with a minimum of 7°C (45°F) and a maximum of 28°C (83°F), averaging 21°C (69°F). Precipitation decreases significantly to 23 mm (0.9 in) over just 3 days, and humidity levels are a bit lower at 79%. For more insights, check out Siesta Key weather in March.
December and April showcase distinct weather characteristics. In December, temperatures range from a minimum of 6°C (44°F) to a maximum of 27°C (81°F), with an average of 19°C (67°F). The month experiences 60 mm (2.4 in) of precipitation spread over 6 days, coupled with high humidity levels at 84%. In contrast, April boasts milder temperatures, with a minimum of 11°C (52°F) and a maximum of 30°C (86°F), averaging 23°C (74°F). Precipitation is slightly less at 52 mm (2.0 in) over 7 days, and humidity drops to 78%. For more detailed insights, check out Siesta Key weather in April.
In December, the weather is generally milder, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 27°C (81°F), and an average temperature of 19°C (67°F). During this month, the region receives about 60 mm (2.4 in) of precipitation over 6 days, accompanied by a high humidity level of 84%. In contrast, May brings warmer conditions, with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 32°C (90°F), averaging 25°C (78°F). The month sees increased rainfall, totaling 109 mm (4.3 in) over 12 days, but humidity is slightly lower at 76%. For those interested in more specific weather details, check out Siesta Key weather in May.
December and June present markedly different weather conditions. In December, temperatures range from a mild minimum of 6°C (44°F) to a comfortable average of 19°C (67°F), peaking at a warm 27°C (81°F). The month sees relatively low precipitation at 60 mm (2.4 in) across about 6 days, accompanied by high humidity at 84%. In contrast, June boasts significantly warmer temperatures, with a minimum of 23°C (73°F), averaging 27°C (81°F), and reaching a maximum of 34°C (93°F). However, June experiences much heavier rainfall, totaling 184 mm (7.3 in) over approximately 22 days, and slightly lower humidity at 75%. For more information, check out Siesta Key weather in June.
When comparing the weather in December and July, significant differences emerge. December enjoys milder temperatures with a minimum of 6°C (44°F) and an average of 19°C (67°F), peaking at a comfortable 27°C (81°F). Precipitation is relatively low at 60 mm (2.4 in) over six days, coupled with a high humidity of 84%. In contrast, July is much warmer, featuring a minimum temperature of 24°C (75°F) and an average temperature of 28°C (82°F), with maximums reaching up to 33°C (91°F). However, it is also the wettest month, receiving 196 mm (7.7 in) of rain spread across 26 days, whilst the humidity is lower at 74%. For more detailed insights on the warm and rainy conditions, check out Siesta Key weather in July.
In December, the weather tends to be milder, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 27°C (81°F) and an average of 19°C (67°F). With a total precipitation of 60 mm (2.4 in) over six days, December also experiences higher humidity at 84%. In contrast, August brings significantly warmer temperatures, with lows of 24°C (76°F) and highs reaching up to 34°C (93°F), averaging at 28°C (83°F). August is notably wetter, receiving 213 mm (8.4 in) of rain over 26 days and maintaining a lower humidity of 74%. For a detailed overview of the weather conditions in August, you can check Siesta Key weather in August.
When comparing the weather in December and September, it is clear that September is generally much warmer and wetter. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 33°C (92°F) with an average of 28°C (82°F), whereas December has a more moderate temperature range, with a minimum of 6°C (44°F) and a maximum of 27°C (81°F). Additionally, September experiences significantly more precipitation at 171 mm (6.7 in) over about 20 days, compared to December's 60 mm (2.4 in) over just 6 days. Humidity levels are also slightly lower in September at 78%, compared to a higher 84% in December. For more detailed insights into this month’s weather patterns, visit Siesta Key weather in September.
In comparing the weather between December and October, December tends to be milder with lower average temperatures, ranging from a minimum of 6°C (44°F) to an average of 19°C (67°F), while October features warmer conditions, with temperatures ranging from a minimum of 12°C (54°F) to an average of 26°C (79°F). October also sees higher maximum temperatures, peaking at 32°C (90°F), compared to December's maximum of 27°C (81°F). Additionally, October experiences slightly more rainfall, with 67 mm (2.7 in) over 10 days, versus December’s 60 mm (2.4 in) spread over 6 days. The humidity is a touch lower in October at 79%, compared to December's relatively high humidity of 84%. For more detailed insights, check out Siesta Key weather in October.
In comparing the weather between November and December, we see a slight drop in temperatures as December experiences a minimum of 6°C (44°F) compared to November's 10°C (51°F). The average temperature also decreases from 22°C (71°F) in November to 19°C (67°F) in December, though the maximum temperature remains relatively close, with December reaching up to 27°C (81°F) compared to November's 30°C (85°F). Precipitation sees a moderate increase in December, with 60 mm (2.4 in) over six days, compared to 42 mm (1.6 in) in five days in November. Humidity levels are fairly consistent, with December at 84% and November at 82%. To learn more about the specific conditions during November, you can visit Siesta Key weather in November.
December in Siesta Key brings a refreshing change as the temperatures cool down, making it a delightful escape from the summer heat. With an average temperature hovering around a comfortable value, visitors can enjoy milder days perfect for beach strolls and outdoor activities. The month does see a touch of precipitation, although it is relatively low compared to the summer months, ensuring plenty of sunny intervals for your holiday adventures. Additionally, high humidity levels create that classic tropical feel, even as the cooler air settles in. For those planning a visit, it's a fantastic time to experience the unique charm of Siesta Key without the peak season crowds. For more insights, check out Siesta Key Climate.