March Weather in Florianopolis, Brazil

Last updated: August 21, 2025

March in Florianopolis, Brazil brings a delightful blend of warmth and moisture, with maximum temperatures soaring to 32°C (91°F) and an average of 24°C (76°F). This month experiences a distinct humidity of 85%, contributing to a lush and vibrant atmosphere. However, be prepared for the frequent showers, as precipitation reaches 133 mm (5.2 in) over approximately 21 days. Whether basking in the sun or enjoying a refreshing rain, March offers a unique tropical experience in this stunning coastal city.

March Temperature in Florianopolis

In March, Florianopolis experiences a delightful transition towards the cooler months, with temperatures reflecting the shift in seasons. The minimum temperature hovers around 19°C (66°F), offering a comfortable start to the day, while the average settles at 24°C (76°F), ideal for outdoor activities. As the days progress, the maximum climbs to a warm 32°C (91°F), reminiscent of the summer's lingering warmth. This month stands out with a gradual decline in temperatures compared to the peak summer months of January and February, making it perfect for enjoying the stunning beaches and vibrant culture without the extreme heat. As cooler evenings set in, March presents an inviting blend of warmth and refreshing breezes, perfect for both relaxation and exploration.

March Weather in Florianopolis: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Florianopolis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Florianopolis, March typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec787776726865626367697175
Data source: Temperature data for Florianopolis generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Florianopolis

In March, Florianopolis experiences a notable shift in precipitation, with 133 mm (5.2 in) of rain falling over 21 days. This marks a decrease from the previous months, reflecting a gradual reduction as summer transitions into autumn. January and February, the wettest months, see heavy rainfall with averages of 178 mm and 144 mm, respectively, while March’s totals indicate that although the rain persists, it is less intense. The increase in rainy days highlights the region's tendency to experience more frequent, lighter showers as the year progresses, creating a unique rhythm of weather that characterizes the transition to the cooler months ahead. As April approaches, the precipitation dips further to 79 mm, signaling a continued dry trend that will dominate the mid-year months.

March Precipitation Trends in Florianopolis

The chart displays monthly precipitation patterns in Florianopolis, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Florianopolis, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17814413379108118466388130101140
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Florianopolis

In March, humidity in Florianopolis, Brazil, hovers at a comfortable 85%, maintaining the trend of relatively high moisture levels typical of the summer months. Following a slight drop to 83% in February, March sees a resurgence in humidity, which closely mirrors April's levels. As the seasons transition, humidity remains consistently high through the winter, peaking in December at 88%, then gradually decreasing to 79% by August. This pattern indicates that while the city experiences significant fluctuations throughout the year, March captures the essence of a tropical climate—rich in moisture and vibrant energy, perfectly setting the stage for the warm autumn days to come.

March Average Humidity in Florianopolis

This chart illustrates the average monthly humidity levels in Florianopolis, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Florianopolis is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%85%85%86%85%80%79%82%82%86%88%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Florianopolis

As March arrives in Florianopolis, Brazil, the UV Index remains high at 12, categorizing it as extreme with a swift burn time of just 10 minutes. This marks a gradual decline from the scorching highs of January and February, which recorded indexes of 15 and 14, respectively. While the intensity may taper off in the following months, with April dipping to 10 (very high), March still demands caution for sun exposure. Visitors and locals alike should remain vigilant and protect their skin, as even with a slight decrease in UV levels, the risk of burning remains significant. For a deeper dive into the yearly UV trends, check out the comprehensive guide at Florianopolis UV Index.

Maximum UV Index Levels in Florianopolis for March

The chart shows the monthly maximum UV Index (UVI) for Florianopolis in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Florianopolis typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210755710121415
Data source: Florianopolis March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

March Sunshine in Florianopolis

March in Florianopolis, Brazil shines as one of the sunniest months of the year, boasting an impressive 307 hours of sunshine. This peak comes right after February's 300 hours, highlighting a delightful transition into autumn. As the sun continues to grace the island, the hours of daylight begin to taper off in April with 284 hours, but the overall trend of extended sunlight in early autumn sets a warm and inviting backdrop for the month. Notably, the sunshine hours in March position it as a charming time for visitors and locals alike to enjoy outdoor activities, making the most of Florianopolis's beautiful coastal scenery before the cooler months arrive.

Monthly Sunshine Duration in Florianopolis: March Highlighted

The March sunshine duration represents the total number of hours Florianopolis experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec249h300h307h284h252h229h262h264h244h260h313h342h
Data source: Florianopolis March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Florianopolis During March

As March rolls into Florianopolis, the chance of sunny weather stands at 32%, a figure that reflects the transitional nature of the month. While this is an increase from the January low of 19%, it remains lower than the peak likelihood seen in the following months, April and May, both enjoying a 49% chance of sunshine. This suggests that while March may offer ample opportunities to soak up some rays, it's best to keep an umbrella handy. A broader look at the seasonal shift reveals an upward trend in sunshine, especially from mid-year onwards, with July boasting the highest likelihood at 57%. So, if you're planning a visit in March, expect a mix of clouds and sun, with brighter days just around the corner!

Percentage of Sunny Days in March in Florianopolis

The chart illustrates the percentage of sunny days in Florianopolis throughout the year, with March highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Florianopolis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%49%33%49%54%37%57%33%26%18%28%38%
Data source: Florianopolis March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Florianopolis in March

As March arrives in Florianopolis, Brazil, the daylight duration begins its gradual decline, offering 12 hours of sunlight each day. This marks a notable shift from the long, bright days of January and February, both rich with 13 hours of daylight. Following March, the trend continues downward into April with just 11 hours, heralding the onset of the shorter days typical of the autumn season. As winter approaches, May through July feature a consistent 10 hours of daylight, creating a cozy atmosphere as the days grow dimmer. However, by August, the trend shifts slightly upwards, with daylight gradually increasing again, signifying a slow return to the more generous daylight hours of spring and summer, peaking back at 13 hours in November and December. This rhythmic cycle of daylight not only shapes the landscape but also influences the vibrant culture and lifestyle of Florianopolis.

Average Daylight Hours in Florianopolis for March

The chart illustrates the variation in daylight duration in Florianopolis throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 38m13h12h 12m11h 23m10h 43m10h 24m10h 34m11h 9m11h 56m12h 45m13h 28m13h 50m
Data source: Florianopolis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Florianopolis

As March unfolds in Florianopolis, Brazil, the average wind speed settles at a gentle 3.0 m/s (7 mph), marking a slight increase from February's more serene 2.7 m/s (6 mph). This shift hints at the transitional nature of the month as it bridges the quieter summer conditions of January and February with the more brisk autumn breezes that follow. Interestingly, this pattern of fluctuating winds continues throughout the year, with April boasting a 3.5 m/s (8 mph) average, displaying a consistent trend of increasing wind speeds as the seasons progress toward winter. Overall, March's moderate winds serve as a reminder of the impending seasonal change, inviting locals and visitors alike to enjoy the refreshing air while it lasts.

Average March Wind Speed in Florianopolis

The chart displays monthly wind speed patterns in Florianopolis, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.62.73.0 m/s3.53.13.42.83.33.64.03.83.7
Data source: Florianopolis March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Florianopolis Compares to Other Months

Weather in Florianopolis varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Florianopolis, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in March to that of January, we notice some distinct differences. March experiences slightly cooler temperatures, with an average of 24°C (76°F) compared to January's warmer average of 25°C (78°F). While January can peak at a scorching 36°C (96°F), March's maximum temperature is more moderate at 32°C (91°F). Additionally, March sees more frequent rainfall, with 133 mm (5.2 in) of precipitation over 21 days, compared to January's 178 mm (7.0 in) over 17 days. Humidity levels are nearly similar, with March at 85% and January at 86%. For a more detailed look at January's climate, check out Florianopolis weather in January.

In comparing the weather of March to February, we can see some notable differences. March has slightly lower average temperatures, with a minimum of 19°C (66°F) and an average of 24°C (76°F), compared to February's minimum of 18°C (64°F) and average of 25°C (77°F). However, February features a higher maximum temperature of 35°C (95°F), while March peaks at 32°C (91°F). Precipitation levels are also slightly lower in March, with 133 mm (5.2 in) over 21 days, compared to February's 144 mm (5.7 in) across 16 days, indicating a wetter February. Additionally, humidity remains relatively high in both months, with March at 85% and February at 83%. For a detailed overview of February weather, check out Florianopolis weather in February.

The weather in March is generally warmer compared to April, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 32°C (91°F) and an average of 24°C (76°F). March also experiences more rainfall, totaling 133 mm (5.2 in) over 21 days, while April sees a decrease in precipitation to 79 mm (3.1 in) over just 14 days. Despite the warmer temperatures in March, both months share a high humidity level of 85%. For more detailed information, you can check Florianopolis weather in April.

In comparing the weather of March and May, March tends to be warmer with an average temperature of 24°C (76°F), peaking at a maximum of 32°C (91°F), while May has a cooler average of 20°C (68°F) with a maximum of 30°C (86°F). Both months experience significant humidity, hovering around 85% in March and slightly higher at 86% in May. Precipitation levels are also notable; March sees more rainfall with 133 mm (5.2 in) over 21 days, compared to May's 107 mm (4.2 in) spread over 14 days. For more specific climate details, check out Florianopolis weather in May.

In March, the weather tends to be warmer and more humid, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 32°C (91°F) and an average of 24°C (76°F). This month also experiences significant rainfall, with a total precipitation of 133 mm (5.2 in) over 21 days. In contrast, June brings cooler temperatures, averaging 18°C (65°F) with a minimum of 8°C (47°F) and a maximum of 28°C (83°F). While precipitation is slightly lower at 118 mm (4.6 in), it falls over fewer days, just 11 in total. Despite the difference in temperature, both months share a high humidity level of 85%. For more detailed information on the June weather, you can refer to Florianopolis weather in June.

In March, the weather is significantly warmer, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 32°C (91°F), and an average of 24°C (76°F). This month is characterized by high humidity at 85% and substantial rainfall, totaling 133 mm (5.2 in) over 21 days. In contrast, July sees much cooler temperatures, with a minimum of 6°C (43°F), an average of 17°C (62°F), and a maximum of 27°C (82°F). Precipitation in July is also much lower, at 46 mm (1.8 in) over just 6 days, and the humidity slightly decreases to 80%. For more detailed information, you can visit Florianopolis weather in July.

March and August exhibit contrasting weather patterns in terms of temperature and precipitation. In March, temperatures range from a minimum of 19°C (66°F) to a maximum of 32°C (91°F), with an average of 24°C (76°F). This month also sees considerable rainfall, with 133 mm (5.2 in) over 21 days and a high humidity level of 85%. In stark contrast, August features cooler temperatures, with a minimum of 8°C (46°F), an average of 17°C (63°F), and a maximum of 27°C (80°F). The precipitation is significantly lower at 63 mm (2.5 in) spread over just 9 days, accompanied by a humidity of 79%. For more detailed information, you can check Florianopolis weather in August.

March and September present contrasting weather patterns. In March, temperatures are notably warmer, with a minimum of 19°C (66°F) and a maximum reaching up to 32°C (91°F), while September temperatures range from a cooler 12°C (54°F) to a maximum of 28°C (82°F). March also sees higher precipitation levels, averaging 133 mm (5.2 in) over 21 days, compared to September's 88 mm (3.5 in) across 12 days. Despite this, both months maintain relatively high humidity, with March slightly higher at 85% versus September's 82%. For more detailed information, check out Florianopolis weather in September.

In March, the weather is typically warmer, with minimum temperatures around 19°C (66°F) and an average of 24°C (76°F), peaking at 32°C (91°F). The month experiences significant rainfall, with 133 mm (5.2 in) spread over 21 days, contributing to a high humidity level of 85%. In contrast, October features cooler temperatures, with a minimum of 14°C (58°F), an average of 21°C (69°F), and a maximum of 31°C (88°F). Rainfall is slightly lower at 130 mm (5.1 in) over 16 days, and humidity remains relatively high at 82%. For more details, you can check Florianopolis weather in October.

In comparing the weather conditions of March and November, both months present warm climates but with notable differences. March has a higher average temperature of 24°C (76°F) and experiences maximum temperatures reaching up to 32°C (91°F), while November sees an average of 22°C (72°F) with similar peaks at 32°C (90°F). Precipitation is more pronounced in March, totaling 133 mm (5.2 in) over 21 days, compared to November's 101 mm (4.0 in) across 16 days, making March generally wetter. Additionally, humidity levels are slightly higher in November at 86%, compared to March's 85%. For more detailed insights, you can check out Florianopolis weather in November.

March and December in Florianopolis present a relatively mild climate, though there are some notable differences. In March, temperatures range from a minimum of 19°C (66°F) to a maximum of 32°C (91°F), with an average of 24°C (76°F). The month experiences significant rainfall, totaling 133 mm (5.2 in) over about 21 days, accompanied by high humidity at 85%. In contrast, December sees slightly cooler mornings with a minimum of 16°C (61°F) and boasts a maximum of 33°C (92°F). Precipitation is marginally higher at 140 mm (5.5 in), occurring over 16 days, and humidity is slightly elevated at 88%. For a deeper look into December's weather patterns, you can check the following link: Florianopolis weather in December.

Compare Florianopolis's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Florianopolis

As March arrives in Florianopolis, the transition from summer to autumn becomes evident, bringing warm temperatures that can still reach a high of 32°C (91°F), but with increased humidity at 85%. The month experiences more frequent rainfall, with precipitation recorded on 21 days, making it one of the wetter periods of the year. This shift in weather contrasts notably with the drier, hotter summer months, providing a refreshing atmosphere that still retains the pleasant warmth of early fall. For those interested in how March weather stacks up against other times of the year, check out the detailed insights about the city's overall weather patterns at Florianopolis Climate.