Last updated: August 21, 2025
December in Florianopolis, Brazil showcases a vibrant tropical climate, with maximum temperatures soaring to 33°C (92°F) and an inviting average of 24°C (75°F). Nights bring a refreshing coolness, with lows dipping to 16°C (61°F). However, this month also sees significant rainfall, with 140 mm (5.5 in) of precipitation spread across 16 days, contributing to a high humidity level of 88%. Visitors can expect a dynamic blend of sunshine and rain, perfect for experiencing the lush beauty and vibrant culture of this seaside paradise.
In Florianopolis, Brazil, the December temperatures mark the beginning of summer, with residents and visitors enjoying a delightful warmth. The month features low temperatures around 16°C (61°F), complemented by a refreshing average of 24°C (75°F), peaking at a vibrant 33°C (92°F). This trend of rising temperatures reflects a steady increase from previous months, hinting at the sunny days and beach-friendly conditions that define the festive season. As the mercury rises, Adventurers can expect plenty of sun-soaked days, perfect for embracing the region's stunning beaches and outdoor activities.
December in Florianopolis sees 140 mm (5.5 in) of precipitation, reflecting a notably wet month that ushers in the summer season. This level of rainfall is consistent with the previous months’ trends, where precipitation tends to peak during the warmer half of the year. With precipitation occurring over 16 days, December shares a similar pattern with November and October, indicating a steady rhythm of wet weather. As the year draws to a close, it’s clear that the island's climate is characterized by its humid conditions, creating a lush environment that feels alive with the vibrancy of summer.
In December, Florianopolis experiences its highest humidity level of the year at a notable 88%. This increase comes on the heels of consistently high figures during the late spring and early summer months, particularly in November, which boasts 86% humidity. The trend reflects a pattern where humidity peaks in the warmest months, creating a lush and tropical atmosphere that defines the region. Notably, as the year progresses into the cooler winter months, humidity levels tend to dip slightly, with July and August witnessing the lowest figures at 80% and 79%, respectively. Overall, the humidity in Florianopolis creates a vibrant coastal climate that is both inviting and rich with biodiversity, especially as it reaches its peak in December.
In December, Florianopolis experiences an extreme UV Index of 15, making it one of the sunniest months of the year alongside January, which also maxes out at 15. This trend of high UV exposure continues from February through March, where the index remains significantly elevated at 14 and 12, respectively. As summer approaches, the immediate risk of sunburn decreases slightly in April and May, with the UV index dropping to 10 and 7. However, June and July see a small reprieve with a moderate UV level of 5, allowing for longer outdoor enjoyment before the levels rise again in spring. September’s return to a very high index at 10 foreshadows the impending increase during the peak months of November and December. As such, anyone enjoying the sun-drenched shores of Florianopolis should be vigilant with sunscreen and protective gear, especially given the consistent need to limit exposure time to just 10 minutes at the peak of the UV index. For further details, visit the complete Florianopolis UV Index.
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December in Florianopolis, Brazil, shines brightly with an impressive 342 hours of sunshine, making it one of the sunniest months of the year. This sun-drenched finale to the calendar showcases a remarkable increase from the already generous hours seen in November, which recorded 313 hours. The trend is clear: as the year winds down, the sun seems to bless this coastal paradise with more light, enhancing its allure for both locals and tourists alike. Following a slight dip in June with 229 hours, the sunny months rebound dramatically, peaking in December and reflecting the warmth and vibrancy of summer in the Southern Hemisphere. Thus, December's radiant days not only illuminate the landscape but also uplift the spirit, making it the perfect time to revel in the beauty of Florianopolis.
December in Florianopolis sees a 38% chance of sunny weather, placing it in the mid-range when compared to the year’s other months. This month marks a transition into the summer season, with sunny probabilities gradually rising from the cooler months of October and November. Notably, December's chances are higher than those in both October (18%) and November (28%), reflecting an upward trend as the year comes to a close. While the sun won't be shining every day, residents and visitors can expect a decent mix of sunlight and cloud cover, setting the stage for the beach vibes that define the Brazilian summer.
In Florianopolis, Brazil, the patterns of daylight duration reveal a rhythmic ebb and flow throughout the year. As December arrives, residents and visitors alike can bask in approximately 13 hours of daylight, a continuation of the longer days that begin in November. This trend remains steadfast through January and February, allowing for ample time to enjoy the island's stunning beaches and vibrant outdoor activities. However, as the seasons shift into the cooler months of March and April, daylight begins to wane, gradually diminishing to 11 hours by April. This reduction persists through the winter months of May to July, where daylight stabilizes at 10 hours. The transition back to longer days begins in August, hinting at the approach of summer, as daylight extends back to 11 hours in both August and September. By October, daylight duration recovers to 12 hours, paving the way for the plentiful daylight that defines the summer months, culminating in the inviting warmth of December once again.
As December unfolds in Florianopolis, Brazil, the average wind speed settles at a brisk 3.7 m/s (8 mph), reflecting a trend of consistent breeziness as the year comes to a close. This month marks a slight uptick from November's average of 3.8 m/s, highlighting the region's dynamic climate. Compared to the earlier months of the year, where wind speeds fluctuated between a gentle 2.7 m/s (6 mph) in February and a stronger 4.0 m/s (9 mph) in October, December offers a delightful balance. Winds are invigorating yet manageable, creating the perfect backdrop for beachgoers and outdoor enthusiasts to enjoy the vibrant atmosphere of summer in the Southern Hemisphere.
Weather in Florianopolis varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Florianopolis, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather in Florianopolis features a minimum temperature of 16°C (61°F) and an average of 24°C (75°F), reaching a maximum of 33°C (92°F). The month experiences about 140 mm (5.5 in) of precipitation over 16 days, with a high humidity level of 88%. In contrast, January sees slightly warmer temperatures, with a minimum of 20°C (68°F) and an average of 25°C (78°F), peaking at 36°C (96°F). Precipitation increases to 178 mm (7.0 in) over 17 days, while humidity remains relatively stable at 86%. For more details, you can check out Florianopolis weather in January.
December and February in Florianopolis present slightly different weather patterns. In December, temperatures range from a minimum of 16°C (61°F) to a maximum of 33°C (92°F), with an average temperature of 24°C (75°F). This month experiences 140 mm (5.5 inches) of precipitation over 16 days, contributing to a high humidity level of 88%. In contrast, February sees a marginally warmer temperature range, with minimums of 18°C (64°F) and maximums reaching 35°C (95°F), averaging around 25°C (77°F). Precipitation is similar at 144 mm (5.7 inches) over the same number of days, but humidity is slightly lower at 83%. For more detailed insights into February weather, you can check Florianopolis weather in February.
In December, the weather features a minimum temperature of 16°C (61°F), an average of 24°C (75°F), and a maximum of 33°C (92°F), accompanied by relatively high humidity at 88% and significant rainfall totaling 140 mm (5.5 in) over 16 days. By contrast, March sees slightly warmer mornings with a minimum temperature of 19°C (66°F) and an average temperature that remains similar at 24°C (76°F). Although the maximum temperature drops to 32°C (91°F), the month experiences a similar level of precipitation at 133 mm (5.2 in) but spreads over a greater number of days, totaling 21. This results in a slightly drier feel, with humidity decreasing to 85%. For more detailed weather insights, you can check Florianopolis weather in March.
In December, the weather is typically warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 33°C (92°F). The month experiences higher humidity at 88% and more precipitation, totaling 140 mm (5.5 in) over 16 days. In contrast, April sees slightly cooler temperatures, with a minimum of 14°C (57°F) and a maximum of 31°C (87°F). Precipitation decreases to 79 mm (3.1 in) over 14 days, and humidity is slightly lower at 85%. Overall, December feels more sultry and wetter, while April brings a bit more moderate weather. For a detailed outlook, check Florianopolis weather in April.
In December, Florianópolis experiences warmer temperatures compared to May, with averages ranging from a minimum of 16°C (61°F) to a maximum of 33°C (92°F). The humidity is quite high at 88%, contributing to a tropical feel, while December receives approximately 140 mm (5.5 in) of precipitation over 16 days. In contrast, May presents a cooler climate with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 30°C (86°F). The humidity is slightly lower at 86%, and there is less rainfall, totaling around 107 mm (4.2 in) over 14 days. For a more detailed look at the weather during this month, you can visit Florianopolis weather in May.
The weather in December is notably warmer than in June, with December's temperatures ranging from a minimum of 16°C (61°F) to a maximum of 33°C (92°F), while June sees a cooler range of 8°C (47°F) to 28°C (83°F). December also experiences higher humidity at 88%, compared to June's 85%, which contributes to the more tropical feel of the former. Additionally, precipitation in December is slightly higher, with 140 mm (5.5 in) over 16 days, compared to June's 118 mm (4.6 in) across 11 days. For a closer look at June's weather, check out Florianopolis weather in June.
December and July in Florianopolis showcase distinctly different weather patterns. In December, the temperatures are significantly warmer, ranging from a minimum of 16°C (61°F) to a maximum of 33°C (92°F), with an average of 24°C (75°F). This month also experiences considerable precipitation, with 140 mm (5.5 in) falling over 16 days, and the humidity is notably high at 88%. In contrast, July brings cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 27°C (82°F), averaging around 17°C (62°F). The rain is much less frequent in July, with only 46 mm (1.8 in) spread over just 6 days, and humidity levels at a lower 80%. For a detailed look at July weather, you can visit Florianopolis weather in July.
December and August present contrasting weather patterns. In December, temperatures range from a minimum of 16°C (61°F) to a maximum of 33°C (92°F), offering warmth and high humidity at 88%. However, this month also experiences significant rainfall, with about 140 mm (5.5 in) of precipitation spread over 16 days. In contrast, August is much cooler, with temperatures dipping to a minimum of 8°C (46°F) and peaking at 27°C (80°F). The month averages 17°C (63°F) and is characterized by lower humidity at 79%, along with reduced rainfall totaling 63 mm (2.5 in) over just 9 days. For more detailed insights into August weather, visit Florianopolis weather in August.
In December, the weather in Florianopolis is notably warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 33°C (92°F). This month also experiences higher humidity at 88% and significant precipitation, averaging 140 mm (5.5 in) over 16 days. In contrast, September sees milder conditions, with temperatures ranging from 12°C (54°F) to 28°C (82°F) and less rainfall, totaling 88 mm (3.5 in) across 12 days. The humidity in September is slightly lower at 82%. For more detailed information on September weather, you can visit Florianopolis weather in September.
In comparing the weather between October and December, December tends to be warmer with an average temperature of 24°C (75°F), while October averages slightly cooler at 21°C (69°F). The maximum temperatures also reflect this trend, reaching 33°C (92°F) in December compared to 31°C (88°F) in October. Precipitation levels are relatively similar, with December receiving 140 mm (5.5 in) and October 130 mm (5.1 in), both averaging about 16 days of rain. Additionally, humidity is higher in December at 88%, compared to 82% in October. For more detailed information on October weather, check out Florianopolis weather in October.
In comparing the weather between December and November, December tends to be slightly warmer with an average temperature of 24°C (75°F), compared to November’s average of 22°C (72°F). The maximum temperature also sees a minor increase, reaching 33°C (92°F) in December, while November peaks at 32°C (90°F). However, December experiences more rainfall, totaling 140 mm (5.5 in) over 16 days, whereas November has less precipitation at 101 mm (4.0 in) also over 16 days. Humidity levels are similar, with December at 88% and November at 86%. For more detailed insights into November's conditions, check out Florianopolis weather in November.
In December, Florianópolis experiences a vibrant transformation as the summer season kicks off, bringing warmer temperatures and increased humidity compared to other months. With delightful highs averaging around 24°C and occasional peaks reaching up to 33°C, the island buzzes with life, making it the perfect time for beachgoers and outdoor enthusiasts. However, the month also sees a fair share of tropical showers, with about 16 days of precipitation, adding to the lush landscapes. The elevated humidity level of 88% can make the atmosphere feel a bit heavier, but this only enhances the tropical allure of this beautiful destination. For a deeper look at what the weather looks like throughout the year, check out Florianopolis Climate.