Last updated: August 21, 2025
Experience the vibrant climate of Sao Francisco do Sul, Brazil in May, where temperatures fluctuate between a maximum of 31°C (88°F) and a comfortable average of 20°C (67°F), with nighttime lows dipping to 7°C (45°F). Amidst the warmth, the region witnesses 112 mm (4.4 in) of rain over approximately 15 days, contributing to the lush greenery that defines this coastal paradise. With a high humidity level of 86%, visitors can enjoy balmy days and refreshing breezes, making May an inviting time to explore the scenic beauty and rich culture of this enchanting locale.
In Sao Francisco do Sul, Brazil, the month of May marks a notable shift in temperatures as the region transitions into cooler weather. With a minimum temperature dipping to 7°C (45°F), the nights can be brisk, yet the average daytime warms to a comfortable 20°C (67°F). This month offers a pleasant maximum of 31°C (88°F), making it a perfect time for outdoor activities without the sweltering heat typical of the summer months. Compared to April, where the average was 22°C (72°F), May tends to feel fresher, heralding the onset of milder days ahead as winter approaches. Overall, May presents a balanced climate in Sao Francisco do Sul, appealing to those seeking a reprieve from the extremes of earlier months while still enjoying warm afternoons.
In May, Sao Francisco do Sul experiences a modest increase in rainfall, with 112 mm (4.4 in) of precipitation measured over 15 days. This slight uptick follows the significant drops in April, which recorded only 108 mm (4.3 in), suggesting a gradual transition into the winter months. The frequency of rainy days remains steady, similar to April, indicating consistent but gentle rain rather than torrential downpours. As the region continues to experience its wet season, May's precipitation helps lay the groundwork for the lush greenery that defines the area's natural beauty. This pattern of controlled rainfall is crucial for agriculture and sustains local biodiversity, marking an essential period in the annual climate cycle of the region.
In Sao Francisco do Sul, Brazil, May brings a notable humidity level of 86%, aligning with the high moisture trends observed at the start and end of the year. This month maintains consistency with the preceding April, highlighting a steady atmospheric dampness that characterizes the region's climate. As the year transitions into the cooler, drier months, humidity begins to wane, dipping to about 80% in July. Interestingly, while the summer months often see a fall in humidity levels, November reintroduces the high humidity typical of the earlier months, creating a cyclical pattern that influences both the local environment and lifestyle. This consistent moisture makes Sao Francisco do Sul not just a destination with beautiful landscapes but also a place deeply intertwined with its humid climate year-round.
In May, Sao Francisco do Sul experiences a notable drop in the UV Index, with a level of 7 classified under the high exposure category. This is a refreshing change from the extreme UV levels seen earlier in the year, especially in January through March, where the index soared to a staggering 15. With a burn time of just 10 minutes during those peak months, sun safety was a crucial consideration. By May, however, the burn time increases to 25 minutes, allowing beachgoers and outdoor enthusiasts a bit more leeway to enjoy the sun safely. As the year progresses, the UV Index remains relatively moderate, making May a more accessible time for outdoor activities in this beautiful coastal region. For further details on UV exposure, check the Sao Francisco do Sul UV Index.
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May in São Francisco do Sul, Brazil, offers a delightful 245 hours of sunshine, which, while slightly lower than the previous months of March and April, remains robust compared to the earlier part of the year. This period sits comfortably amidst a gradual decline from the vibrant sunlit days of late summer, with January's impressive 240 hours kicking off the year. As summer transitions into winter, one can observe a distinct dip in daylight, peaking in December with 318 hours, only to gently descend. Enthusiasts of pleasant weather will appreciate the sustained sunshine throughout May, continuing the trend of stable, enjoyable outdoor conditions that this coastal paradise is known for.
As spring transitions into summer, May stands out in Sao Francisco do Sul with a 41% chance of sunny weather, making it one of the sunniest months so far, just below the peak July at 57%. This marks a notable increase from the previous months, with April at 37% and March at 27%, suggesting a clear upward trend in sunny days as the region moves deeper into the warmer season. The gradual rise in sun probability continues into the mid-year, providing an inviting atmosphere for outdoor activities and enjoying the scenic beauty of this vibrant coastal town.
In Sao Francisco do Sul, Brazil, daylight duration reveals a distinct pattern throughout the year. Starting strong in January with a generous 13 hours of daylight, the months gradually shorten until May, when daylight dips to 10 hours. This trend persists through June and July, creating a cozy atmosphere during the Southern Hemisphere's winter. As spring awakens in August, daylight begins to increase again, reaching back to 11 hours and continuing to expand into the summer months. By November and December, the days stretch back to the summer's peak, offering 13 hours of sunlight once more. The cyclical nature of daylight here beautifully mirrors the rhythm of the seasons, creating a dynamic interplay between light and darkness.
In May, Sao Francisco do Sul experiences a gentle breeze, with an average wind speed of 1.7 m/s (4 mph), mirroring the calm conditions of the previous months. This trend of lower wind speeds persists from January through April, where the figures hover around 1.6 to 2.0 m/s. As the year transitions into late spring, the winds begin to pick up slightly, with a noticeable increase in speed starting in September. The gradual rise to an average of 2.2 m/s (5 mph) by October hints at the seasonal shift and sets the stage for more invigorating breezes in the approaching months. Overall, May's winds are emblematic of a tranquil prelude to the more dynamic conditions that follow, inviting visitors to relish the serene coastal charm of this Brazilian gem.
Weather in Sao Francisco do Sul varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sao Francisco do Sul, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather patterns in Sao Francisco do Sul. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 20°C (67°F) and relatively moderate precipitation of 112 mm (4.4 in) over 15 days. In contrast, January experiences warmer temperatures, with a minimum of 18°C (64°F) and a maximum reaching 38°C (101°F), averaging 26°C (78°F). This month sees substantially higher rainfall, totaling 264 mm (10.4 in) across 21 days, while maintaining the same humidity level of 86%. For more detailed information on January weather, check out Sao Francisco do Sul weather in January.
In a comparison of May and February weather, February tends to be warmer overall, with minimum temperatures around 16°C (60°F) and maximums reaching up to 36°C (98°F), while May's temperatures vary from a cooler minimum of 7°C (45°F) to a maximum of 31°C (88°F). February also experiences higher average temperatures at 25°C (77°F) compared to May's 20°C (67°F). Precipitation in February is more substantial, totaling 204 mm (8.0 in) over 21 days, compared to May's 112 mm (4.4 in) over 15 days, indicating that February is not only warmer but also wetter than May. Despite the slight differences in humidity, which is 86% in May and 83% in February, the overall weather conditions in February offer a more humid and tropical climate. For more details on February weather, visit Sao Francisco do Sul weather in February.
In comparing the weather between May and March, we see notable differences in temperature and precipitation patterns. May has a more moderate temperature range, with minimums around 7°C (45°F), averages of 20°C (67°F), and maximums reaching up to 31°C (88°F). In contrast, March features warmer temperatures, with minimums at 17°C (63°F), averages of 24°C (76°F), and highs peaking at 35°C (94°F). Additionally, March experiences significantly higher precipitation, totaling 199 mm (7.9 in) over 25 days, compared to May's 112 mm (4.4 in) across 15 days. Humidity levels are relatively similar, with May at 86% and March at 85%. For more detailed insights on March weather, you can visit Sao Francisco do Sul weather in March.
In comparing the weather patterns of April and May, we observe some interesting trends. April has a slightly higher average temperature of 22°C (72°F) and a maximum of 34°C (93°F), while May's averages lower to 20°C (67°F) with a maximum of 31°C (88°F). Interestingly, April experiences a minimum temperature of 11°C (52°F), compared to May's cooler minimum of 7°C (45°F). Precipitation levels are quite comparable, with April receiving 108 mm (4.3 in) and May a bit more at 112 mm (4.4 in), both spread over 15 days. Humidity is also similar, with April at 85% and May slightly higher at 86%. For a detailed look at April's weather specifics, you can visit Sao Francisco do Sul weather in April.
May tends to be slightly warmer than June, with average temperatures reaching 20°C (67°F) compared to June's 18°C (65°F). Both months experience a maximum temperature of 31°C (88°F), but May has a higher minimum temperature of 7°C (45°F) compared to June's 6°C (43°F). Precipitation remains fairly consistent, with May receiving 112 mm (4.4 in) over 15 days, while June sees slightly less at 108 mm (4.3 in) over 11 days. Humidity is also comparable, with May being at 86% and June just a tad lower at 85%. For more detailed information, check out Sao Francisco do Sul weather in June.
In May, temperatures range from a cooler minimum of 7°C (45°F) to a warm maximum of 31°C (88°F), with an average temperature of 20°C (67°F). The month is characterized by higher precipitation, totaling 112 mm (4.4 in) over 15 days, and a humidity level of 86%. In contrast, July experiences a slightly lower temperature range, with minimums dropping to 3°C (37°F) and an overall average of 17°C (63°F), while still maintaining the same maximum of 31°C (88°F). Precipitation in July is significantly less at 33 mm (1.3 in) over just 7 days, accompanied by a reduced humidity of 80%. For more detailed insights, you can check Sao Francisco do Sul weather in July.
May and August exhibit distinct weather patterns, with May generally being warmer and wetter. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), resulting in an average temperature of 20°C (67°F). This month also sees significant precipitation, totaling 112 mm (4.4 in) over approximately 15 days and high humidity at 86%. In contrast, August experiences slightly cooler temperatures, with a minimum of 5°C (41°F) and an average of 18°C (64°F), while still reaching a maximum of 31°C (88°F). Precipitation in August is lower at 70 mm (2.7 in) over about 10 days, and the humidity drops to 79%. For a more detailed look at August weather, check out Sao Francisco do Sul weather in August.
May and September showcase a relatively mild and pleasant climate, though there are some noticeable differences between the two months. In May, temperatures fluctuate between a minimum of 7°C (45°F) and a maximum of 31°C (88°F), with an average of 20°C (67°F). This month also sees higher humidity at 86% and more precipitation, totaling 112 mm (4.4 in) over 15 days. In contrast, September experiences slightly warmer minimum temperatures at 9°C (49°F) but maintains the same average and maximum temperatures as May, with a cooler humidity level of 82%. Precipitation in September is just a bit lower at 106 mm (4.2 in) over 14 days. For more specific weather details in September, check Sao Francisco do Sul weather in September.
Comparing the weather in May and October reveals some interesting differences. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 20°C (67°F). The month sees an average precipitation of 112 mm (4.4 in) over about 15 days and a relatively high humidity of 86%. In contrast, October boasts warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 37°C (99°F), averaging around 21°C (70°F). However, it also experiences more rainfall, totaling 166 mm (6.5 in) across 20 days, and slightly lower humidity at 82%. For more detailed information on October weather, you can check Sao Francisco do Sul weather in October.
May and November showcase distinct weather patterns, reflecting their transitional climates. In May, temperatures range from a cooler minimum of 7°C (45°F) to an average of 20°C (67°F), peaking at 31°C (88°F). The month experiences about 112 mm (4.4 in) of precipitation over 15 days, maintaining high humidity levels at 86%. In contrast, November sees a warmer minimum temperature of 13°C (56°F) and an average of 22°C (72°F), with maximums reaching up to 35°C (95°F). The month is also wetter, with 145 mm (5.7 in) of rainfall distributed across 21 days, while humidity remains consistent at 86%. For more details on the climate specifics, check out Sao Francisco do Sul weather in November.
In May, the weather shows a significant range with temperatures varying from a cool minimum of 7°C (45°F) to a warm maximum of 31°C (88°F), offering an average of 20°C (67°F). However, it experiences 112 mm (4.4 in) of precipitation over 15 days, combined with relatively high humidity at 86%.
In contrast, December brings even warmer temperatures, with a minimum of 15°C (59°F) and reaching up to 36°C (96°F), averaging 24°C (75°F). This month is also wetter, experiencing 209 mm (8.2 in) of precipitation across 21 days, with humidity slightly higher at 88%.
For more details on December weather, check out Sao Francisco do Sul weather in December.
As May settles in Sao Francisco do Sul, the weather begins to shift, striking a balance between warmth and coolness. With a maximum temperature reaching up to 31°C (88°F), the days can feel comfortably warm, but the average temperature hovers at a pleasant 20°C (67°F), making it a favorable time for outdoor activities. Compared to other months, May experiences a notable increase in humidity at 86%, while the 112 mm of precipitation over approximately 15 days adds a refreshing touch, invigorating the lush landscapes. This combination creates a unique atmosphere that sets May apart, beckoning visitors to enjoy the city's vibrant natural beauty. To learn more about the overall trends and specifics of the weather in this captivating region, explore the detailed insights available at Sao Francisco do Sul Climate.