Last updated: August 21, 2025
In March, Guaiba, Brazil experiences a dynamic climate characterized by a striking temperature range, from a scorching maximum of 38°C (100°F) to a cool minimum of 13°C (56°F), with an average hovering around 23°C (75°F). This transitional month witnesses an abundance of humidity at 79%, contributing to the atmospheric richness of the region. However, residents and visitors should prepare for occasional rainfall, as precipitation totals reach 109 mm (4.3 in) over 12 days. Overall, March in Guaiba offers a blend of heat, moisture, and intermittent wet weather, setting the stage for a truly vibrant start to autumn.
In March, Guaiba, Brazil, showcases a transition from the sweltering summer heat to the cooler autumn months. With a minimum temperature dipping to a comfortable 13°C (56°F) and an average of 23°C (75°F), the temperatures reflect a gradual decline from the higher readings in January and February. Despite this cooling trend, the maximum temperature can still reach up to 38°C (100°F), echoing the lingering summer vibes. This fluctuation in temperatures not only signifies a shift in season but also offers a pleasant environment for outdoor activities before the crispness of April arrives.
March in Guaiba, Brazil, sees a moderate precipitation level with 109 mm (4.3 in) spread across 12 days of rain. This amount represents a slight dip from February's 112 mm (4.4 in) while maintaining a robust average for the region. As summer fades and autumn approaches, the rainfall begins to taper off, preparing the landscape for the drier months ahead. The steady precipitation patterns in March, combined with preceding months, highlight a generally wet start to the year, as the city transitions into a more variable climate. On average, Guaiba experiences its highest rainfall in September, hinting at the seasonal shifts that dominate the local weather patterns.
March in Guaíba, Brazil, experiences a humidity level of 79%, consistent with the slightly elevated humidity recorded in February. This trend marks the beginning of a gradual increase in moisture that peaks in May at 87%. Following March, humidity levels remain notably high, with April reaching 82%, and gradually tapering off toward the end of the year. The persistence of high humidity from early to late in the year creates a lush, vibrant environment, typical of Guaíba's subtropical climate and indicative of its lush landscapes. This significant moisture also sets the stage for the rich biodiversity the region is known for.
In March, Guaiba continues to experience an extreme UV Index of 12, with a burn time of just 10 minutes—similar to the scorching levels seen in January and February. This trend highlights the sun's potent rays at the onset of autumn, ensuring that residents and visitors remain vigilant about sun protection. As the month progresses, the UV Index begins to decline, with April showing a very high category of 9, allowing for slightly longer exposure times. This gradual decrease emphasizes the importance of adapting sun safety practices as the seasons change. For more detailed information on UV levels throughout the year, check out Guaiba UV Index.
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March in Guaiba, Brazil, shines brightly with 312 hours of sun, marking a delightful peak just beyond the early months of the year. Following a vibrant February at 310 hours, the transition into March brings a touch more brilliance, setting the stage for the sunny days ahead. This month is a precursor to the warmer autumn, where the sunlight begins to gracefully wane, dipping to 271 hours in April. Overall, it's fascinating to note that March stands out as a notable month, showcasing the area’s potential for abundant sunshine just before the daylight hours start to narrow as winter approaches. As the year unfolds, the sun's dance continues, reminding visitors and locals alike of Guaiba’s splendid climate.
In March, Guaíba, Brazil experiences a 40% chance of sunny weather, a slight dip from the previous month's 59% likelihood in February. This trend of fluctuating sunshine is characteristic of the transition into autumn, as the region prepares for cooler temperatures. While March does not boast the highest percentage of sun, it's part of a seasonal pattern where the chances of sunny days vary significantly. Following March, the likelihood increases again to 54% in April and maintains a steady average through May. Overall, although March may be less promising for sun-seekers compared to earlier months, it still offers the promise of pleasant days amidst the shifting season.
As March unfolds in Guaíba, Brazil, daylight hours begin to gradually decline, offering about 12 hours of light each day. This reduction marks a transition from the peak summer months of January and February, where daylight stretched to a vibrant 13 hours. Following March, the days continue to shorten, plunging to 11 hours in April and maintaining this brief illumination through May and June. Interestingly, this pattern of decreasing daylight persists until the early spring months, where daylight slowly begins to extend again in August and September. The yearly cycle reflects the rhythm of the seasons, as continuous shifts in daylight significantly influence both nature and daily life in Guaíba.
March in Guaiba, Brazil, brings a gentle breeze with an average wind speed of 2.6 m/s (6 mph), slightly less robust than the preceding months. This decrease is part of a natural ebb and flow in wind patterns, as January's and February's gusts hovered around 3.1 m/s and 2.9 m/s, respectively. Following March, the winds pick up again in April and May, settling at 2.7 m/s. Notably, the winds begin to strengthen in June, reaching 3.2 m/s, and continue to gain momentum through the latter months of the year. This trend showcases the dynamic nature of Guaiba’s climate, where wind speeds fluctuate, creating a unique atmosphere that’s perfect for enjoying the region's stunning landscapes and outdoor activities throughout the seasons.
Weather in Guaiba varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Guaiba, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between March and January, we see some notable differences. March tends to be slightly cooler, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 38°C (100°F), averaging around 23°C (75°F). It also experiences more rainfall, accumulating 109 mm (4.3 in) over 12 days, along with a humidity level of 79%. In contrast, January is warmer, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 39°C (103°F), averaging 26°C (79°F). Precipitation in January is less, at 93 mm (3.7 in), but also over 12 days, with slightly lower humidity at 77%. For more detailed insights on January weather, check out Guaiba weather in January.
When comparing the weather in March and February, it's notable that March has slightly lower minimum temperatures, averaging 13°C (56°F), compared to February's minimum of 14°C (58°F). Both months experience similar maximum temperatures, reaching up to 38°C (100°F). However, February is slightly drier than March, with 112 mm (4.4 in) of precipitation over 11 days, while March sees 109 mm (4.3 in) over 12 days. Despite these minor differences, both months maintain a consistent humidity level of 79%. For more detailed information, you can check Guaiba weather in February.
In comparing the weather between March and April, there are notable shifts in temperature and precipitation patterns. March experiences higher temperatures, with a minimum of 13°C (56°F) and a maximum reaching up to 38°C (100°F), resulting in a warm average of 23°C (75°F). In contrast, April sees cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 34°C (93°F), leading to an average of 21°C (71°F). Precipitation also decreases from 109 mm (4.3 in) over 12 days in March to 73 mm (2.9 in) over just 8 days in April. Interestingly, humidity remains relatively high in both months, with March at 79% and April slightly higher at 82%. For a detailed look at April weather, you can check Guaiba weather in April.
March and May present quite distinct weather patterns. In March, temperatures range from a mild 13°C (56°F) at night to a sizzling maximum of 38°C (100°F) during the day, with an average of 23°C (75°F). The month sees significant rainfall, totaling 109 mm (4.3 in) over approximately 12 days, and the humidity hovers around 79%.
In contrast, May features cooler conditions, with nighttime lows dropping to 5°C (41°F) and daytime highs reaching up to 32°C (90°F), averaging at a mild 17°C (63°F). Precipitation increases, totaling 153 mm (6.0 in) over about 10 days, alongside a slight uptick in humidity to 87%. For more detailed information on the weather in May, you can refer to Guaiba weather in May.
The weather in March and June presents a striking contrast in both temperature and humidity. March experiences much warmer conditions with an average temperature of 23°C (75°F) and highs reaching up to 38°C (100°F), while June has a cooler average of 16°C (60°F) with maximums around 31°C (88°F). Interestingly, both months have similar precipitation levels, with March receiving 109 mm (4.3 in) over 12 days and June experiencing 113 mm (4.4 in) over 9 days. Additionally, June's humidity is slightly higher at 85% compared to March's 79%. For a closer look at what to expect during June, check Guaiba weather in June.
March and July present strikingly different weather patterns. In March, temperatures range significantly, with a minimum of 13°C (56°F), an average of 23°C (75°F), and a maximum reaching 38°C (100°F). This month also experiences considerable rainfall, accumulating 109 mm (4.3 in) over 12 days, alongside high humidity at 79%. In contrast, July features much cooler temperatures, with a minimum of 2°C (35°F), an average of 14°C (58°F), and a maximum of 30°C (87°F). While July sees slightly more precipitation at 122 mm (4.8 in) over just 8 days, the humidity is a bit higher at 82%. For more specifics on the weather in July, check out Guaiba weather in July.
March and August present stark contrasts in weather. In March, temperatures range from a mild 13°C (56°F) at night to a scorching high of 38°C (100°F), with an average of 23°C (75°F). The month also experiences significant precipitation of 109 mm (4.3 in) over approximately 12 days, accompanied by a high humidity level of 79%. In comparison, August sees much cooler temperatures, with a minimum of 3°C (38°F), an average of 16°C (61°F), and a maximum of 34°C (94°F). This month has a lower total precipitation of 70 mm (2.8 in) over 8 days, and humidity is slightly higher at 81%. For more details on August weather, check out Guaiba weather in August.
In March, the weather is characterized by warmer temperatures, with a minimum of 13°C (56°F) and an average peak of 23°C (75°F), reaching a maximum of 38°C (100°F) on particularly hot days. The humidity during this month is relatively high at 79%, and precipitation averages 109 mm (4.3 in) over about 12 days, making it somewhat rainy.
In contrast, September brings cooler temperatures, with a minimum of 7°C (45°F) and an average temperature of 18°C (65°F), while the maximum still reaches a warm 36°C (96°F). Interestingly, September experiences a slightly higher precipitation level of 155 mm (6.1 in) spread over the same number of days, and the humidity is marginally higher at 84%. For more detailed information on this month’s weather, you can visit Guaiba weather in September.
March and October exhibit notable differences in weather patterns. March typically experiences warmer temperatures, with a minimum of 13°C (56°F) and an average high of 38°C (100°F), compared to October's cooler minimum of 9°C (49°F) and an average high of 37°C (100°F). Precipitation is also a factor; March receives 109 mm (4.3 in) over 12 days, while October sees a slightly higher amount of 139 mm (5.5 in) across 13 days. Additionally, humidity levels in October are marginally higher at 85%, compared to March's 79%. For more detailed information, you can check Guaiba weather in October.
In March, the weather is characterized by warm temperatures ranging from a minimum of 13°C (56°F) to a maximum of 38°C (100°F), with an average of 23°C (75°F). The month experiences about 109 mm (4.3 in) of precipitation over 12 days, accompanied by a humidity level of 79%. In contrast, November features slightly cooler temperatures, with a minimum of 12°C (53°F) and a maximum of 37°C (99°F), averaging around 22°C (72°F). Precipitation increases slightly to 112 mm (4.4 in) but occurs over just 10 days, with humidity rising to 82%. For more detailed information, check out Guaiba weather in November.
In comparing the weather patterns of March and December, both months experience a similar range of temperatures with minimums around 13°C (56°F) and maximums reaching 38°C (100°F). However, March tends to be slightly warmer on average, at 23°C (75°F), compared to December's 24°C (76°F). Precipitation is more frequent in March, with about 109 mm (4.3 in) spread over 12 days, while December sees less rain, totaling 80 mm (3.2 in) across only 8 days. Additionally, December exhibits a marginally higher humidity level at 84% compared to March's 79%. For a closer look at December weather specifics, you can visit Guaiba weather in December.
March in Guaíba brings a notable transition as summer gives way to autumn, characterized by warm temperatures and increased humidity. Unlike the sizzling peak of January, where mercury often climbs even higher, March's average offers a more temperate experience with cooler nights, perfect for evening strolls. With occasional rain across nearly half the month, it’s essential to stay prepared for sudden showers, adding a refreshing layer to the lush landscapes. This combination of warmth and moisture creates a vibrant atmosphere, making March a lovely time to explore the region. For a deeper understanding of Guaíba's overall weather patterns, visit Guaiba Climate.