March Weather in Cabo Frio, Brazil

Last updated: August 21, 2025

In March, Cabo Frio basks in pleasantly warm temperatures, with a maximum reaching 29°C (84°F) and an average of 25°C (78°F), while nights cool down to a minimum of 22°C (72°F). This vibrant coastal destination experiences 84% humidity, enriching its tropical charm. Visitors should prepare for occasional showers, as rainfall accumulates to approximately 126 mm (5.0 in) over 11 days throughout the month. The combination of warmth and moisture offers a lush environment, making March an inviting time to explore Cabo Frio's stunning beaches and natural beauty.

March Temperature in Cabo Frio

In March, Cabo Frio welcomes the onset of autumn with pleasantly mild temperatures. The month sees a minimum temperature of 22°C (72°F), settling into an average of 25°C (78°F) and peaking at 29°C (84°F). This slight increase in the minimum temperature from February suggests a gradual warming trend, while the average remains stable, maintaining the comfortable climate that characterizes this coastal gem. As summer fades, visitors can relish in the warm yet inviting atmosphere perfect for beach outings and outdoor adventures, making March a truly delightful time to explore Cabo Frio’s stunning landscapes.

March Weather in Cabo Frio: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Cabo Frio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cabo Frio, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777777767372717071727375
Data source: Temperature data for Cabo Frio 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 Cabo Frio

March in Cabo Frio, Brazil, marks a notable transition in precipitation, as the region experiences its highest rainfall of the year at 126 mm (5.0 in) over 11 days. This substantial increase from February's 77 mm (3.0 in) indicates a shift toward the wetter season, setting the stage for the lush landscapes that emerge in the ensuing months. While April sees a decrease to 51 mm (2.0 in) over 12 days, the surge in March serves as a reminder of the dynamic climate in this coastal paradise. With each raindrop contributing to the area's vibrant ecosystems, March truly stands out as a pivotal month in Cabo Frio's climatic calendar.

March Precipitation Trends in Cabo Frio

The chart displays monthly precipitation patterns in Cabo Frio, 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 Cabo Frio, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec387712651734128504167109101
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Cabo Frio

In March, Cabo Frio, Brazil, experiences a slight dip in humidity to 84%, continuing a trend of gradually decreasing moisture levels as the summer months wane. While January and February showcase higher humidity levels at 85% and 86% respectively, March marks the beginning of a notable shift leading into the dryer months. Following this peak, humidity levels continue to decline, dropping to 82% in April and progressively lower as the region transitions towards the winter season. This gentle fluctuation highlights Cabo Frio's year-round coastal climate, where slight variations in humidity are part of the charming character of this picturesque locale.

March Average Humidity in Cabo Frio

This chart illustrates the average monthly humidity levels in Cabo Frio, 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 Cabo Frio is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%84%82%80%78%77%75%76%74%79%81%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Cabo Frio

In Cabo Frio, Brazil, March continues the trend of extreme UV exposure, with a UV Index of 13 and a quick burn time of just 10 minutes. Following closely behind the intense sun of January and February, March shows just a slight decrease in UV intensity, while still demanding caution for sun-seekers. The month paves the way for a gradual decline in UV levels as the season progresses, leading into April's UV Index of 11. As such, it’s crucial to stay informed and take protective measures. For more details on UV trends throughout the year, visit Cabo Frio UV Index.

Maximum UV Index Levels in Cabo Frio for March

The chart shows the monthly maximum UV Index (UVI) for Cabo Frio 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 Cabo Frio typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16141311867911131415
Data source: Cabo Frio 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 Cabo Frio

March in Cabo Frio, Brazil, ushers in a delightful surge of sunshine, boasting 324 hours of brilliant daylight. This marks a notable peak in the early months, outshining January and February, which recorded 290 and 285 hours respectively. As the seasons shift, March's warmth hints at the approaching summer, contrasting with the slightly cooler daylight hours of April at 305 hours. The trend of increasing sunlight continues as the year rolls on, peaking in December with 336 hours, revealing Cabo Frio's enchanting allure during the sun-kissed months. Whether soaking up the sun on pristine beaches or exploring the vibrant local culture, visitors can revel in the promise of outdoor adventures that March uniquely offers.

Monthly Sunshine Duration in Cabo Frio: March Highlighted

The March sunshine duration represents the total number of hours Cabo Frio 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.
JanFebMarAprMayJunJulAugSepOctNovDec290h285h324h305h289h285h295h291h305h299h307h336h
Data source: Cabo Frio March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cabo Frio During March

March marks a turning point in Cabo Frio’s weather patterns, with a notable increase in sunshine, boasting a 56% chance of sunny days. This is a significant rise from the previous months, with January and February seeing only 44% and 36% likelihoods, respectively. As we transition towards the warmer months, April takes it even further, reaching a 59% likelihood of sunny weather. This trend indicates that March serves as a pivotal month, where the sun begins to dominate the forecast, paving the way for the ample sunshine that characterizes the later spring and summer months. Overall, March promises a refreshing embrace of clear skies and an ideal environment for beachgoers and sun-seekers.

Percentage of Sunny Days in March in Cabo Frio

The chart illustrates the percentage of sunny days in Cabo Frio 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 Cabo Frio experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%36%56%59%56%61%64%60%48%24%40%46%
Data source: Cabo Frio March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cabo Frio in March

In Cabo Frio, Brazil, March ushers in a steady daylight duration of 12 hours, maintaining the same amount seen in February. This consistency marks a transition as the days begin to gradually shorten, with April bringing an hour less. Following the vibrant summer months, where January boasts the most daylight at 13 hours, the trend shifts towards shorter days as the year progresses. Interestingly, from May through July, daylight remains capped at 10 hours, creating a period of relative darkness. However, the pattern shifts again as spring approaches, with daylight increasing slightly in August and September before returning to 12 hours in October. This cyclical rhythm underscores Cabo Frio's unique relationship with light, providing a beautiful backdrop for both residents and visitors alike.

Average Daylight Hours in Cabo Frio for March

The chart illustrates the variation in daylight duration in Cabo Frio throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 20m12h 50m12h 11m11h 31m10h 59m10h 44m10h 52m11h 20m11h 57m12h 37m13h 12m13h 30m
Data source: Cabo Frio daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Cabo Frio

March in Cabo Frio heralds the start of a gentle shift in wind patterns, with an average wind speed of 4.9 m/s (11 mph). This slight increase from February’s more tranquil 4.6 m/s suggests a gradual awakening of the coastal breezes as summer transitions into autumn. Interestingly, March's winds are among the lower speeds of the year, setting the stage for April, which typically brings more robust gusts at 5.8 m/s (13 mph). As the months progress, winds pick up momentum, reaching their peak in August at 7.6 m/s (17 mph). This rhythm of shifting wind speeds not only shapes the climate but also enhances the allure of Cabo Frio, making it a captivating destination for both adventure seekers and those in search of serene coastal moments.

Average March Wind Speed in Cabo Frio

The chart displays monthly wind speed patterns in Cabo Frio, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.34.64.9 m/s5.84.36.05.67.67.16.35.55.1
Data source: Cabo Frio March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Cabo Frio Compares to Other Months

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

March weather in Cabo Frio is characterized by slightly warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 29°C (84°F), compared to January's range of 21°C (71°F) to 28°C (83°F). Both months have similar average temperatures of around 25°C (77°F), but March experiences significantly more rainfall, with 126 mm (5.0 in) over 11 days, while January sees only 38 mm (1.5 in) across 4 days. Humidity levels are also comparable, with March at 84% and January at 85%. For more detailed information, check out Cabo Frio weather in January.

In comparing the weather of March and February, we can observe some notable differences despite their similar temperature ranges. March tends to have slightly warmer minimum temperatures at 22°C (72°F), compared to February’s 21°C (70°F), while both months share an average maximum temperature of 29°C (84°F). However, March experiences a significant increase in precipitation, totaling 126 mm (5.0 in) over 11 days, compared to February's 77 mm (3.0 in) over 9 days. Additionally, March has a humidity level of 84%, slightly lower than February's 86%. For a more detailed look at February's weather patterns, you can check Cabo Frio weather in February.

In comparing the weather of March and April, March tends to be slightly warmer with average temperatures reaching 25°C (78°F) compared to April's average of 24°C (76°F). However, March experiences significantly higher precipitation, with 126 mm (5.0 in) spread over 11 days, while April sees a much drier climate with only 51 mm (2.0 in) over 12 days. Humidity levels are also quite comparable, at 84% in March and 82% in April, suggesting that while both months are humid, March may feel slightly more uncomfortable. For more detailed insights, you can check out Cabo Frio weather in April.

In March, the weather tends to be warmer, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (84°F) and an average of 25°C (78°F). This month also experiences higher precipitation levels, with 126 mm (5.0 in) of rain spread over 11 days and humidity levels at 84%. In contrast, May brings slightly cooler temperatures, with a minimum of 19°C (66°F), an average of 23°C (74°F), and a maximum of 27°C (82°F). Additionally, May has lower precipitation at 73 mm (2.9 in) over 9 days and a reduced humidity of 80%. For more details, you can check out Cabo Frio weather in May.

March and June weather in Cabo Frio show notable differences in temperature and precipitation. In March, temperatures range from a minimum of 22°C (72°F) to a maximum of 29°C (84°F), with an average of 25°C (78°F). This month also sees significant rainfall, with 126 mm (5.0 in) spread over 11 days and humidity levels at 84%. In contrast, June experiences cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 27°C (80°F), averaging 22°C (73°F). Precipitation in June is much lower at 41 mm (1.6 in) over 8 days, and humidity is slightly reduced at 78%. For more detailed information on Cabo Frio in June, you can visit Cabo Frio weather in June.

March and July exhibit notable differences in weather conditions. In March, temperatures range from a minimum of 22°C (72°F) to a maximum of 29°C (84°F), with an average of 25°C (78°F). This month experiences higher precipitation, totaling 126 mm (5.0 in) over 11 days, and carries a humidity level of 84%. Conversely, July features cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 26°C (79°F), averaging 21°C (71°F). The rainfall is significantly less in July, at 27 mm (1.1 in) over just 6 days, and humidity is slightly lower, at 77%. For more specifics about the weather during this month, you can refer to Cabo Frio weather in July.

In comparing the weather of March and August, March tends to be warmer and more humid. With average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (84°F), it offers a more tropical feel, albeit with significant rainfall at 126 mm (5.0 in) over about 11 days and a humidity level of 84%. In contrast, August sees cooler conditions, with average temperatures from a minimum of 17°C (63°F) to a maximum of 26°C (78°F). Precipitation also decreases significantly to 50 mm (2.0 in) across just 9 days, leading to a lower humidity level of 75%. For more detailed insights on visiting during August, check out Cabo Frio weather in August.

March and September present distinct weather patterns, reflecting the transition from summer to autumn in Cabo Frio. March boasts higher temperatures, with an average of 25°C (78°F) and max temperatures reaching 29°C (84°F), while September offers slightly cooler weather with averages around 22°C (72°F) and maximums of 26°C (78°F). Additionally, March experiences significantly more rainfall, totaling 126 mm (5.0 in) over about 11 days, compared to September's 41 mm (1.6 in) across only 5 days. Humidity levels also drop from March's 84% to September's 75%, making the latter a more comfortable month. For a detailed look at conditions, check out Cabo Frio weather in September.

March and October exhibit significant differences in weather patterns. In March, temperatures are generally warmer, with a minimum of 22°C (72°F) and an average of 25°C (78°F), reaching a maximum of 29°C (84°F). The month also sees higher precipitation levels, totaling 126 mm (5.0 in) over 11 days and a humidity level of 84%. In contrast, October features cooler temperatures, with a minimum of 18°C (64°F) and an average of 22°C (73°F), peaking at 26°C (79°F). Precipitation is lower at 67 mm (2.6 in) over the same 11 days, and humidity decreases to 74%. For more details, check out Cabo Frio weather in October.

March and November in Cabo Frio exhibit relatively similar weather patterns, though some key differences stand out. In March, the average temperature is slightly warmer, ranging from a minimum of 22°C (72°F) to a maximum of 29°C (84°F), while November sees a slightly cooler range with temperatures from 20°C (68°F) to 27°C (80°F). Precipitation is also notable in both months; March receives about 126 mm (5.0 in) of rain over 11 days, while November has a bit less at 109 mm (4.3 in) across 13 days. Humidity levels are high in both months, with March at 84% and November slightly lower at 79%. For more detailed information, visit Cabo Frio weather in November.

In March, the weather in Cabo Frio is typically warm, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (84°F) and an average of 25°C (78°F). This month experiences higher humidity at 84% and greater precipitation, totaling 126 mm (5.0 in) over 11 days. In contrast, December is slightly cooler with temperatures ranging from 21°C (70°F) to 27°C (80°F) and an average of 24°C (75°F). December also has less rainfall, with 101 mm (4.0 in) across 10 days and a lower humidity level at 81%. For more detailed information, you can visit Cabo Frio weather in December.

Compare Cabo Frio's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Cabo Frio

As March unfolds in Cabo Frio, visitors can expect a delightful blend of warmth and occasional rain, distinguishing it from the drier months that precede it. With temperatures averaging a pleasant 25°C (78°F) and humidity levels peaking at a cozy 84%, this month sets the stage for vibrant tropical experiences. However, 126 mm of precipitation over approximately 11 days reminds us that March welcomes both sunshine and showers, offering a refreshing escape from the more sweltering summer months. Embrace the dynamic weather, and don't forget to explore more about how it shapes the unique charm of this coastal gem at Cabo Frio Climate.