Last updated: February 24, 2025
December weather in Merritt Island, Florida presents a charming blend of mild temperatures and refreshing humidity. With maximum temperatures reaching a pleasant 27°C (80°F) and a comfortable average of 19°C (66°F), the month offers an inviting escape from colder climates. However, temperatures can dip as low as 6°C (42°F) during the cooler nights. This month also sees an average precipitation of 65 mm (2.6 in) spread over eight days, contributing to the lush environment. The high humidity level of 84% adds a tropical feel, making December a unique time to experience Merritt Island’s natural beauty and vibrant ecosystems.
In December, Merritt Island experiences a mild transition into winter, with temperatures showcasing a calm yet refreshing character. Minimums hover around 6°C (42°F), providing a cool reprieve from the warmer months. The average temperature settles at a comfortable 19°C (66°F), highlighting the region's subtropical charm during this time. Daytime highs reach up to 27°C (80°F), allowing for pleasant outdoor activities and leisurely strolls. As the year comes to a close, December's temperatures reflect a gradual cooling trend after the summer's heat, making it an ideal time for visitors to embrace the natural beauty and outdoor recreation that Merritt Island has to offer.
In December, Merritt Island experiences a modest precipitation total of 65 mm (2.6 in), falling in line with the trend of gradually decreasing rain as the year wraps up. While December sees precipitation on around 8 days, it's a noticeable shift from the wetter months earlier in the year. For instance, June and July are the wettest, each receiving over 170 mm, while the late fall months such as November and December typically bring lighter rains, with November at 62 mm (2.4 in). This shift underscores a seasonal transition, setting the stage for the drier months ahead, while still offering a refreshing reprieve from the heat of summer with crisp winter days. The rainfall in December may be less frequent than in the peak summer months, but it continues to play a vital role in maintaining the lush environment of Merritt Island.
In December, Merritt Island experiences a rise in humidity levels, reaching 84%, which marks the peak for the year. This increase is part of a broader trend as the humidity gradually fluctuates throughout the year. Starting at a high of 83% in January, humidity levels dip to their lowest point of 68% in May before climbing back up. The pattern shows a gradual increase again in the latter half of the year, with particularly humid months like September and November hovering around 83% and 82%, respectively. By December, the humidity not only returns to its earlier high levels but even surpasses them, wrapping up the year on a notably damp note.
As winter settles in, December in Merritt Island sees a drop in the UV Index to 5, categorized as moderate, allowing for a safer outdoor experience with a longer burn time of 30 minutes. This month's UV levels are a welcome reprieve after the scorching extreme levels reached in the peak summer months of June and July, which topped at 12. The trend clearly showcases how UV exposure significantly decreases as the year comes to a close, offering residents and visitors an optimal time to enjoy outdoor activities with reduced concern for sunburn. For more detailed insights on UV exposure throughout the year, check out Merritt Island UV Index.
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Nestled in the heart of December, Merritt Island shines with an impressive 269 hours of sunlight, marking a delightful transition into winter. Although this month enjoys less sunshine than the summer peak of 340 hours in July, it still offers a bright escape from the chillier northern climates. As the year unfolds, we see a clear pattern: months from spring through summer consistently bask in abundant sunshine, reaching their zenith in June and July. By autumn, the hours gradually taper, yet December holds its own with a respectable amount of bright days, making Merritt Island a captivating destination for those seeking a bit of warmth and light during the holiday season. The subtle dance of sunlight throughout the year not only highlights the area's appeal but also sets the stage for unforgettable experiences in nature's golden embrace.
When considering Merritt Island's weather in December, there's a notable trend towards sunnier days as the year wraps up, with a 59% chance of sunshine. This marks a significant increase compared to the preceding months, especially the typically gloomy summer, where the odds of sun plummet to 23-25%. As we move from the sweltering heat of summer to the cooler winter months, we observe a steady return of sunshine, peaking in December. A shift from 46% in November to 59% in December suggests that those looking for brighter skies during the holiday season may be in luck, making it an inviting time for outdoor activities under the clear, sunny skies of Merritt Island.
In Merritt Island, United States, December brings about a return to shorter days, with daylight lasting approximately 10 hours. This mirrors the daylight trends of both January and November, highlighting a seasonal lull as winter approaches. As the year progresses, daylight hours gradually increase from a mere 10 in January to a peak of 13 hours during the summer months of May through August. However, as fall settles in, the clock regresses, trimming daylight back to 11 hours in October and finally settling again at 10 hours in December. This rhythmic cycle of light and darkness underscores the region's vibrant seasonal variation, inviting residents and visitors alike to relish the beauty of shorter days before the return of longer, sun-lit afternoons in the New Year.
As the year winds down in Merritt Island, December brings a noticeable drop in wind speed, averaging only 3.2 m/s (7 mph)—the lowest of the year. This decline continues a trend observed from mid-summer to winter, where wind speeds generally ebb, reaching their peak in May. During the spring months, winds are mild and consistent, hovering around 4.5 m/s to 4.9 m/s (10 to 11 mph), fostering a refreshing climate ideal for outdoor activities. However, as the festive season approaches, the gentle breezes of December create a serene atmosphere, perfect for enjoying the subtropical charm of Florida during the holidays. This seasonal shift not only influences the local climate but also sets the tone for tranquil evenings, inviting residents and visitors alike to appreciate the calmness of the island as it embraces winter.
The weather in Merritt Island 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 Merritt Island and find detailed weather information for every month.
December and January exhibit some intriguing contrasts in weather patterns. In December, temperatures range from a minimum of 6°C (42°F) to a maximum of 27°C (80°F), with an average temperature of 19°C (66°F) and relatively high humidity at 84%. Precipitation is more frequent, with 8 days of rainfall totaling 65 mm (2.6 inches). Conversely, January sees a slight drop in minimum temperatures to 2°C (36°F) while maintaining a similar maximum of 27°C (82°F) and an average of 17°C (64°F). This month also experiences less rainfall, with only 38 mm (1.5 inches) over 5 days, and humidity remains slightly lower at 83%. For more detailed insights, refer to the link: Merritt Island weather in January.
In December, the weather features a minimum temperature of 6°C (42°F) and an average of 19°C (66°F), reaching a maximum of 27°C (80°F). The month sees 65 mm (2.6 in) of precipitation over approximately 8 days, with humidity levels at 84%. In comparison, February maintains a similar temperature range, with a minimum of 6°C (43°F), an average of 19°C (67°F), and a maximum of 27°C (81°F). However, it experiences slightly less rainfall, totaling 51 mm (2.0 in) over the same number of precipitation days, resulting in a lower humidity level of 80%. Overall, both months exhibit mild temperatures, but February offers a bit less rainfall and slightly decreased humidity. For more details, you can check Merritt Island weather in February.
December and March present a noticeable shift in weather patterns. In December, temperatures range from a minimum of 6°C (42°F) to a maximum of 27°C (80°F), with an average of 19°C (66°F) and a higher humidity level of 84%. This month also experiences more precipitation, with about 65 mm (2.6 in) over approximately 8 days. In contrast, March sees slightly warmer temperatures, with a minimum of 8°C (47°F) and a maximum of 29°C (84°F), averaging 20°C (69°F). The humidity decreases to 75% and the precipitation significantly drops to 25 mm (1.0 in) across just 4 days. For those interested in more details about the weather in this month, you can check Merritt Island weather in March. Overall, March tends to be drier and warmer than December, making it a more favorable time for outdoor activities.
In December, temperatures in Merritt Island range from a minimum of 6°C (42°F) to a maximum of 27°C (80°F), with an average of 19°C (66°F). The month experiences around 65 mm (2.6 in) of precipitation over 8 days, coupled with higher humidity at 84%. By contrast, April sees a noticeable increase in warmth, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 30°C (87°F) and an average of 23°C (73°F). While precipitation slightly increases to 72 mm (2.8 in) over the same number of days, humidity levels drop to 70%. For more details on April weather, you can visit Merritt Island weather in April.
In December, the weather typically features milder temperatures with a minimum of 6°C (42°F) and an average high of 27°C (80°F), making it a comfortable month overall. However, it also sees a fair amount of precipitation, averaging 65 mm (2.6 in) over about 8 rainy days and higher humidity at 84%. In contrast, May brings warmer conditions, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 31°C (88°F) and an average temperature of 25°C (77°F). Although May experiences more rainfall, totaling 124 mm (4.9 in) across 11 days, the humidity level drops to a more pleasant 68%. For further details on the weather in May, check out Merritt Island weather in May.
December and June present strikingly different weather conditions. In December, temperatures range from a minimum of 6°C (42°F) to a maximum of 27°C (80°F), with an average of 19°C (66°F). The month experiences relatively low humidity at 84% and a total precipitation of 65 mm (2.6 in) over about 8 days. In contrast, June brings a much warmer climate, with temperatures varying from a minimum of 23°C (73°F) to a maximum of 32°C (89°F), averaging around 26°C (80°F). However, June is also wet, seeing significant rainfall totaling 164 mm (6.4 in) across approximately 22 days, accompanied by a lower humidity level of 75%. For more specific insights into June's climate, you can check out Merritt Island weather in June.
In contrast to December, July experiences significantly warmer temperatures, with minimums averaging around 24°C (75°F) and maximums reaching up to 32°C (90°F). The average temperature in July is about 27°C (82°F), while December has a much cooler average of 19°C (66°F). Additionally, July sees higher precipitation levels, totaling 172 mm (6.8 in) over approximately 24 days, compared to December's 65 mm (2.6 in) over just 8 days. Despite the warmer weather, July has slightly lower humidity at 79%, whereas December's humidity sits at a steamy 84%. For more detailed information, check out Merritt Island weather in July.
December and August present contrasting weather conditions. In December, temperatures range from a mild minimum of 6°C (42°F) to a pleasant maximum of 27°C (80°F), accompanied by an average of 19°C (66°F). The month experiences an average of 65 mm (2.6 in) of precipitation over 8 days, resulting in relatively high humidity levels at 84%. In stark contrast, August boasts much warmer temperatures with minimums around 24°C (76°F) and maximums peaking at 32°C (90°F), while maintaining an average of 28°C (82°F). This summer month is significantly wetter, with total rainfall measuring 220 mm (8.7 in) across 26 days, and humidity levels only slightly lower at 81%. For more details on August’s weather, check out Merritt Island weather in August.
December and September present contrasting weather conditions. In December, temperatures range from a minimum of 6°C (42°F) to a maximum of 27°C (80°F), with an average of 19°C (66°F). The month sees a moderate level of precipitation at 65 mm (2.6 in), spread over approximately 8 days, coupled with high humidity at 84%.
In sharp contrast, September is much warmer, with temperatures varying from a minimum of 23°C (74°F) to a maximum of 33°C (91°F), averaging around 27°C (81°F). This month experiences significantly higher rainfall, totaling 189 mm (7.4 in) over roughly 21 days, while the humidity remains similar at 83%. For more detailed information about the weather during this month, check out Merritt Island weather in September.
In comparing the weather between December and October, we see notable differences in temperature and precipitation. December experiences a milder range, with temperatures fluctuating between a minimum of 6°C (42°F) and a maximum of 27°C (80°F), while average temperatures in October are warmer, ranging from 11°C (52°F) to 30°C (87°F). October also brings significantly more rain, with 107 mm (4.2 in) of precipitation over 18 days, compared to December's 65 mm (2.6 in) over 8 days. Humidity levels remain relatively high in both months, with December at 84% and October slightly lower at 81%. For more specific insights into October's weather, you can refer to Merritt Island weather in October.
In comparing the weather between December and November, we see some notable differences. December experiences slightly cooler temperatures, with a minimum of 6°C (42°F), an average of 19°C (66°F), and a maximum of 27°C (80°F). In contrast, November tends to be warmer overall, with temperatures ranging from a minimum of 7°C (46°F), an average of 22°C (71°F), to a maximum of 29°C (85°F). Precipitation levels are similar, with December seeing 65 mm (2.6 in) over 8 days, while November has 62 mm (2.4 in) over 10 days. Humidity levels are slightly higher in December at 84%, compared to November's 82%. For further details, you can explore Merritt Island weather in November.
As December settles over Merritt Island, the weather showcases a charming transition from the warmth of autumn to the cooler embrace of winter. With mild temperatures that average around 19°C (66°F), this month offers a refreshing change compared to the hotter summer months. While you might still experience some pleasant sunny days with maximum highs reaching 27°C (80°F), the nights can get quite chilly, dipping down to 6°C (42°F). Humidity remains relatively high at 84%, which combined with an average of 65 mm (2.6 in) of precipitation over about 8 days, adds a touch of moisture to the air. Overall, December in Merritt Island presents a unique and inviting blend of warm days and cooler nights, making it a perfect time to enjoy the picturesque surroundings. For more detailed insights on weather patterns, explore the Merritt Island Climate.