Last updated: August 21, 2025
May in Florianopolis, Brazil offers a delightful mix of mild temperatures and lush greenery. With maximum temperatures reaching a warm 30°C (86°F) and an average of 20°C (68°F), the climate is ideal for outdoor activities. Although the minimum temperature can dip to 10°C (51°F), the warmth is often complemented by a high humidity level of 86%, creating a refreshing atmosphere. However, visitors should be prepared for some rainfall, as 107 mm (4.2 in) of precipitation falls over about 14 days throughout the month, contributing to the region’s vibrant landscapes. Enjoy the temperate weather and embrace the natural beauty that this charming destination has to offer!
In May, Florianopolis experiences a noticeable transition as summer gives way to the cooler autumn months. With minimum temperatures dipping to 10°C (51°F), the island's climate begins to feel crisper, while the average temperature hovers around 20°C (68°F), offering a comfortable yet refreshing atmosphere. The days remain pleasant, peaking at a maximum of 30°C (86°F), allowing for a mix of warm sunshine and cooler evenings. This month marks a shift, as temperatures progressively drop from the warmer extremes of earlier months, creating a comfortable environment for outdoor exploring, making May an ideal time to enjoy the city's stunning beaches and natural beauty without the summer crowds.
In May, Florianopolis experiences a notable shift in its weather patterns, receiving an average precipitation of 107 mm (4.2 in) over 14 days. This amount marks a slight increase compared to the preceding month of April, which saw just 79 mm (3.1 in) across 14 days. As autumn progresses, May serves as a bridge; it captures the lingering warmth of the earlier months while gradually preparing for the drier winter ahead. Looking ahead to June, precipitation rises again to 118 mm (4.6 in), indicating this transitional period is characterized by a heightened likelihood of rain, while still revealing a trend towards reduced rainfall as the year progresses into the winter months.
In May, Florianopolis, Brazil experiences a consistent humidity level of 86%, mirroring the cozy, tropical feel of the preceding months. This slight dip in humidity from February's peak of 83% to April’s stable 85% highlights a pattern of relatively high moisture that characterizes the region throughout the first half of the year. As the seasons transition, June sees a marginal decrease to 85%, yet the humidity maintains its grip on the island, ensuring lush landscapes and vibrant ecosystems thrive. Notably, November and December bring a return to higher humidity levels, suggesting a rhythmic cycle that reflects the region's warm maritime climate.
In May, the UV Index in Florianopolis, Brazil drops to 7, marking a shift to a high exposure category, with a burn time of 25 minutes. This decline in UV intensity signals the transition into cooler months after the intense summer. Compared to the extreme levels seen in the earlier months—where indices soared as high as 15 in January—May offers a bit of relief for sun enthusiasts, yet caution is still advised to prevent skin damage. As we anticipate the warmer months ahead, understanding these trends is crucial for enjoying the outdoors safely. For more detailed information, check out the Florianopolis UV Index.
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In May, Florianopolis, Brazil enjoys a delightful 252 hours of sunshine, making it a lovely transition into winter. While this is a dip from the peak brightness of the previous months—most notably February’s impressive 300 hours—May still offers a vibrant atmosphere perfect for outdoor activities. As the days grow shorter with the approach of winter, sunshine levels begin to decline gradually; yet, May stands out as a time when the city beautifully balances warm weather and the charm of early winter. Interestingly, the sun shines more consistently compared to the chillier June, which sees a further reduction to 229 hours, encapsulating the unique allure of Florianopolis as it wraps up the autumn season.
In Florianopolis, Brazil, the month of May stands out with a 54% chance of sunny weather, making it one of the brighter months of the year. This marks a notable increase from the preceding months of April and March, both at 49% and 32% respectively, signaling a positive trend towards sunnier conditions as autumn unfolds. As we transition into winter, however, the likelihood dips slightly in June to 37% before bouncing back in July to a warmer 57%, highlighting a fluctuation in sunshine patterns. Overall, May's favorable odds make it an appealing time for outdoor activities and enjoying the vibrant landscapes of this beautiful coastal city.
In Florianopolis, Brazil, the daylight duration exhibits a rhythmic ebb and flow throughout the year, reflecting the changing seasons. Beginning with a generous 13 hours in both January and February, the days gradually shorten, with March and April bringing a reduction to 12 and 11 hours, respectively. By May, daylight dips to 10 hours, a trend that continues through June and July, maintaining that same duration. As winter wanes, daylight begins to extend again, reaching 11 hours in August and September, before rebounding to 12 hours in October. The year wraps up on a bright note, with 13 hours of daylight returning in both November and December, creating a beautiful cycle of light that enhances the vibrant atmosphere of this coastal city.
In May, Florianopolis experiences a gentle breeze with an average wind speed of 3.1 m/s (7 mph). This month marks a slight decline from the breezier conditions of April, where wind speeds averaged at 3.5 m/s (8 mph). As the transition to winter unfolds, May maintains a moderate airflow, which is characteristic of the months leading up to it, with most preceding months, including October and December, showing similar patterns around 3.4 to 4.0 m/s (8-9 mph). The shift in wind speeds reflects a blending of the warm autumn currents with the upcoming cooler winter winds, creating an inviting atmosphere for those looking to enjoy the natural beauty of the island while reveling in pleasant, breezy days.
Weather in Florianopolis varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Florianopolis, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January in Florianopolis exhibit distinctly different weather patterns. In May, temperatures range from a mild 10°C (51°F) at night to a comfortable 30°C (86°F) during the day, with an average of 20°C (68°F). However, this month also sees a fair amount of rain, with 107 mm (4.2 in) falling over 14 days and a high humidity level of 86%. Conversely, January experiences warmer conditions, with nighttime lows of 20°C (68°F) and daytime highs peaking at 36°C (96°F), averaging 25°C (78°F). Precipitation is more significant in January, totaling 178 mm (7.0 in) over 17 days, yet the humidity remains constant at 86%. For more details, you can refer to Florianopolis weather in January.
When comparing the weather in May and February, it is clear that February tends to be warmer and wetter. February boasts a minimum temperature of 18°C (64°F) and an average of 25°C (77°F), reaching a maximum of 35°C (95°F). In contrast, May starts cooler with a minimum of 10°C (51°F) and averages 20°C (68°F), peaking at 30°C (86°F). Precipitation is also higher in February, with 144 mm (5.7 in) over 16 days, compared to May's 107 mm (4.2 in) across 14 days. Both months exhibit high humidity, with February at 83% and May at 86%, but February's overall warmth and rainfall make it distinctively different from the more temperate May. For more detailed information, refer to Florianopolis weather in February.
In comparing the weather conditions of May and March, we see notable differences in temperature and precipitation patterns. May experiences milder temperatures, with a minimum of 10°C (51°F), averaging around 20°C (68°F), and peaking at 30°C (86°F), while March boasts warmer temperatures, starting at a minimum of 19°C (66°F) and averaging 24°C (76°F), with a high of 32°C (91°F). Additionally, March tends to be wetter, receiving 133 mm (5.2 in) of precipitation over 21 days compared to May's 107 mm (4.2 in) over 14 days, although both months feature high humidity levels, with May slightly higher at 86% versus March's 85%. For a detailed look at March weather, you can visit Florianopolis weather in March.
In comparing the weather of April and May, April tends to be slightly warmer with average temperatures peaking at 22°C (72°F) compared to May's 20°C (68°F). However, May experiences a more significant range in daily temperatures, with minimums dropping to 10°C (51°F), making it feel cooler at times. Precipitation levels are higher in May at 107 mm (4.2 in) over 14 days, compared to April's 79 mm (3.1 in) during the same number of days. Humidity remains quite similar between the two months, with April at 85% and May at 86%. For more detailed insights on April weather, you can check Florianopolis weather in April.
In comparing the weather of May and June, we notice distinct differences in temperature and precipitation. May experiences a wider temperature range with a minimum of 10°C (51°F) and a maximum of 30°C (86°F), resulting in an average temperature of 20°C (68°F). In contrast, June has slightly cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 28°C (83°F), leading to an average of 18°C (65°F). Regarding precipitation, June sees slightly more rainfall at 118 mm (4.6 in) compared to May's 107 mm (4.2 in), though it rains on fewer days (11 days in June versus 14 in May). Humidity remains quite similar, with May at 86% and June at 85%. For more specific details, you can check out Florianopolis weather in June.
In May, the weather is characterized by warmer temperatures, with a minimum of 10°C (51°F) and an average of 20°C (68°F), peaking at a maximum of 30°C (86°F). This month also experiences significant rainfall, accumulating 107 mm (4.2 in) over 14 days, along with a high humidity level of 86%. In contrast, July is cooler, with temperatures ranging from a minimum of 6°C (43°F) to an average of 17°C (62°F) and a maximum of 27°C (82°F). Precipitation drops considerably to 46 mm (1.8 in), occurring over just 6 days, and humidity levels decrease slightly to 80%. For more detailed weather information, check Florianopolis weather in July.
May and August showcase distinct differences in weather patterns. In May, temperatures range from a minimum of 10°C (51°F) to a maximum of 30°C (86°F), averaging at 20°C (68°F). The month is relatively wet, with 107 mm (4.2 in) of precipitation over 14 days, accompanied by high humidity levels at 86%. In contrast, August experiences cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 27°C (80°F), averaging 17°C (63°F). Additionally, rainfall is less abundant in August, totaling 63 mm (2.5 in) over just 9 days and with lower humidity at 79%. For more insights on the weather during this month, check out Florianopolis weather in August.
May and September in Florianopolis present distinct weather contrasts. In May, temperatures range from a minimum of 10°C (51°F) to a maximum of 30°C (86°F), with an average of 20°C (68°F). Precipitation is relatively high at 107 mm (4.2 in), occurring over 14 days, and humidity levels peak at 86%. Conversely, September sees slightly warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 28°C (82°F), averaging 19°C (67°F). Precipitation decreases to 88 mm (3.5 in) over 12 days, and humidity levels are a bit lower at 82%. For more detailed information, check out Florianopolis weather in September.
May and October exhibit relatively similar warm climates, but with distinct characteristics. In May, temperatures range from a minimum of 10°C (51°F) to a maximum of 30°C (86°F), with an average temperature of 20°C (68°F). The month experiences significant rainfall, totaling 107 mm (4.2 in) over about 14 days, accompanied by high humidity of 86%. In contrast, October presents slightly warmer temperatures, with a minimum of 14°C (58°F) and a maximum of 31°C (88°F), resulting in an average of 21°C (69°F). Precipitation increases to 130 mm (5.1 in) over approximately 16 days, while humidity is relatively lower at 82%. For more details on October weather conditions, you can visit Florianopolis weather in October.
May and November in Florianopolis showcase relatively mild temperatures, but with distinct characteristics. May typically sees a minimum temperature of 10°C (51°F) and an average of 20°C (68°F), while November boasts slightly warmer conditions, with a minimum of 14°C (57°F) and an average of 22°C (72°F). Both months experience similar humidity levels at 86%, creating a consistently humid atmosphere. Precipitation in May is slightly higher at 107 mm (4.2 in) over 14 days, compared to November's 101 mm (4.0 in) across 16 days. For more detailed information, you can visit Florianopolis weather in November.
May and December present distinct weather profiles. In May, temperatures range from a minimum of 10°C (51°F) to a maximum of 30°C (86°F), with an average of 20°C (68°F). The month sees about 107 mm (4.2 in) of precipitation over 14 days, and humidity levels remain relatively high at 86%. In contrast, December features warmer conditions, with temperatures ranging from 16°C (61°F) to 33°C (92°F) and an average of 24°C (75°F). This month experiences increased rainfall, totaling 140 mm (5.5 in) over 16 days, and slightly higher humidity at 88%. For a detailed look at the December climate, you can explore Florianopolis weather in December.
As May approaches in Florianopolis, the weather transitions into a more temperate and moody phase compared to the preceding summer months. With daily highs often reaching around 30°C (86°F), the warmth still lingers, but the average drops to a comfortable 20°C (68°F), signaling cooler evenings. Expect a greater chance of precipitation, with around 14 days of rain this month, contributing to the 86% humidity that tends to envelop the island. This shift not only brings a refreshing change but also enhances the lushness of the landscapes, making it a captivating time to explore the diverse natural beauty of the area. For an in-depth look at how weather conditions evolve throughout the year, check out Florianopolis Climate.