Last updated: August 21, 2025
March in Foz do Iguaçu, Brazil, showcases a vibrant meteorological tapestry, with maximum temperatures soaring to 36°C (97°F), while the average rests comfortably at 25°C (78°F). As the humidity lingers around 75%, the allure of the region's lush landscapes is complemented by the refreshing warmth. However, visitors should be prepared for occasional rain, as the month ushers in 121 mm (4.8 in) of precipitation over 11 days. Despite the showers, March remains a captivating time to experience the natural wonders of this dynamic destination.
In March, Foz do Iguaçu begins to feel the transition into autumn, offering a mild and comfortable climate. With minimum temperatures around 13°C (55°F) and an average of 25°C (78°F), days remain warm but are noticeably cooler than the peak summer months. The highs still reach up to 36°C (97°F), allowing for plenty of sunshine while also hinting at the cooler days to come. This month marks a gentle decline in temperatures compared to January and February, setting the stage for a refreshing escape just before the cooler months of the year arrive. As the heat wanes, visitors can enjoy outdoor activities amidst stunning landscapes without the scorching intensity of summer.
In March, Foz do Iguacu experiences a precipitation level of 121 mm (4.8 in) across 11 rainy days. While this amount is a bit higher than February's 111 mm, it reflects a slight dip from the heavier rains of January, which recorded 154 mm. March serves as a transitional month, setting the stage for the gradual decrease in rainfall as the region heads toward the drier months of April and beyond. Notably, this pattern of fluctuating rainfall is characteristic of Foz do Iguacu, where precipitation peaks in the first few months of the year, before tapering off as winter approaches. Such seasonal shifts not only influence the vibrant landscapes but also contribute to the region's lush biodiversity, making it a captivating destination year-round.
In March, Foz do Iguaçu experiences a moderate humidity level of 75%, a slight decrease from the previous months of January and February, which hovered around 82% and 79%, respectively. This gradual decline hints at the transition towards the drier months ahead, as April continues the trend with a marginal drop to 74%. The coming months reveal a clear pattern: humidity levels steadily decrease, reaching a low of 49% in August before beginning to climb again in the later part of the year. Overall, March serves as a pivotal month in this humidity cycle, offering a comfortable atmosphere that is characteristic of the region's vibrant subtropical climate.
In March, Foz do Iguaçu, Brazil, experiences a significant UV Index of 13, categorized as extreme with a burn time of just 10 minutes. This trend reflects the region's peak sun exposure during the summer months, with January and February also showcasing extreme levels at 15. As the year progresses, the UV Index begins to decline, dropping to 10 in April and continuing on a downward trajectory through the cooler months. However, March remains a critical month for sun safety, emphasizing the need for protection against the intense rays. For further insights into the UV Index throughout the year, visit Foz do Iguacu UV Index.
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March in Foz do Iguaçu basks in a delightful 310 hours of sunshine, matching the brightness of February and heralding the onset of the autumn season. This consistent glow marks a peak in summer's lingering warmth, as the region transitions to milder months ahead. Following the sunny days of January and February, which recorded 252 and 310 hours respectively, March maintains this sunny trend. As April approaches with slightly diminished 286 hours, it highlights the gradual shift towards cooler temperatures, yet still offers plenty of outdoor opportunities. Overall, the sunshine hours in Foz do Iguaçu reflect a vibrant and inviting climate, perfect for exploring the breathtaking natural wonders that await.
In Foz do Iguaçu, March offers a promising 54% chance of sunny weather, marking a transition from the sun-soaked months of February, which boasts a striking 67% likelihood, to the drier, sunnier spells of April and May with 62% and 63%, respectively. This trend suggests that as summer wanes, the chances of enjoying bright, clear days remain favorable, although slightly tempered compared to the peak of February's sunshine. As the year progresses, it’s clear that March sits comfortably in the middle, with a robust opportunity for visitors to experience the natural beauty of this stunning destination under a sunny sky.
In March, Foz do Iguaçu enjoys about 12 hours of daylight, maintaining a balance that mirrors February's lengths. This slight dip in daylight duration signals the approach of autumn in Brazil, as the days begin to gradually shorten. As the months progress toward winter, daylight diminishes further, reaching 11 hours in April and dropping to 10 hours during the winter months of May, June, and July. However, the cycle of daylight rapidly shifts again in late winter and early spring, with an increase to 11 hours in August, ultimately returning to 12 hours in October. As the year transitions from the long summer days of January and November with their ample 13 hours, the seasonal rhythm of Foz do Iguaçu highlights the beautiful variations in daylight throughout the year, creating an inviting atmosphere for both locals and visitors alike.
In March, Foz do Iguaçu experiences a gentle breeze with an average wind speed of 2.3 m/s (5 mph), slightly down from the previous month. This mild wind contributes to the region's pleasant atmosphere, as temperatures begin to rise in anticipation of autumn. Notably, March marks the beginning of a gradual increase in wind speed, with later months typically seeing averages climb to around 2.9 m/s in September. The shifting patterns reveal a steady transition from the calmer winds of early summer to the invigorating breezes of late winter, offering visitors a refreshing experience as they explore the breathtaking landscapes of this Brazilian gem.
Weather in Foz do Iguacu varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Foz do Iguacu, focusing on differences in temperature, rainfall, humidity, and UV levels.
March generally features milder temperatures compared to January, with nighttime lows around 13°C (55°F) and daytime averages reaching 25°C (78°F). In contrast, January experiences higher lows of 16°C (62°F) and warmer daytime averages of 27°C (80°F), peaking at a scorching 39°C (102°F). While both months see considerable rainfall, January receives more precipitation at 154 mm (6.1 in) over 16 days, compared to March's 121 mm (4.8 in) over 11 days. Additionally, humidity is slightly lower in March at 75% versus 82% in January. For a more detailed look at January's weather, check out Foz do Iguacu weather in January.
In comparing the weather of March and February, we observe some notable similarities and differences. March experiences slightly lower minimum temperatures, averaging 13°C (55°F), while February starts off a bit warmer with a minimum of 15°C (59°F). However, the average and maximum temperatures are quite comparable, with March averaging 25°C (78°F) and reaching a high of 36°C (97°F), which is only marginally cooler than February's average of 26°C (79°F) and maximum of 37°C (98°F).
Precipitation levels remain fairly consistent between the two months, with March recording 121 mm (4.8 in) of rainfall, slightly higher than February’s 111 mm (4.4 in). Interestingly, both months experience rain on about 11 days, but March has a bit higher humidity at 75%, compared to February's 79%. For more detailed insights into February’s weather, you can check out Foz do Iguacu weather in February.
March and April exhibit notable differences in weather patterns. March tends to be warmer, with average temperatures reaching 25°C (78°F) and maximums soaring up to 36°C (97°F). In contrast, April sees a dip in temperature, with an average of 22°C (73°F) and a maximum of 35°C (95°F). Rainfall is also a factor; March experiences more precipitation, totaling 121 mm (4.8 in) over 11 days, while April has slightly less at 105 mm (4.1 in) over just 6 days. Humidity remains fairly consistent, with March at 75% and April at 74%. For more specific details regarding April weather, you can check out Foz do Iguacu weather in April.
March and May in Foz do Iguaçu present contrasting weather conditions. In March, temperatures range from a minimum of 13°C (55°F) to a maximum of 36°C (97°F), with an average of 25°C (78°F). This month experiences significant rainfall, with total precipitation measuring 121 mm (4.8 in) over 11 days, coupled with high humidity at 75%. In contrast, May sees cooler temperatures, with a minimum of 6°C (44°F) and a maximum of 33°C (91°F), and an average of 19°C (67°F). Although May has more precipitation at 149 mm (5.9 in), it occurs over just 10 days, maintaining the same humidity level of 75%. For more detailed information, you can check out this link: Foz do Iguacu weather in May.
March typically ushers in warmer temperatures, with averages reaching up to 25°C (78°F) and maximums soaring to 36°C (97°F). In contrast, June experiences cooler conditions, where the average temperature hovers around 18°C (64°F) and peaks at a maximum of 30°C (87°F). While March sees a higher humidity level at 75% and 121 mm (4.8 in) of precipitation over 11 days, June has slightly lower humidity at 70% and a bit more rainfall at 146 mm (5.7 in) across 9 days. For a closer look at the June weather specifics, check out Foz do Iguacu weather in June.
When comparing the weather in March and July, there's a stark contrast in temperature and humidity levels. March typically experiences higher temperatures, ranging from a minimum of 13°C (55°F) to a maximum of 36°C (97°F), with an average temperature of 25°C (78°F). This month also sees significant precipitation, totaling 121 mm (4.8 in) over approximately 11 rainy days, accompanied by a high humidity of 75%. In contrast, July has a much cooler climate, with temperatures ranging from a low of 1°C (34°F) to a high of 30°C (87°F), averaging at 17°C (63°F). Additionally, July sees far less precipitation, only about 43 mm (1.7 in) over six days, with a lower humidity level of 61%. For more specific details on the climate, you can check Foz do Iguacu weather in July.
In March, the weather is notably warmer, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 36°C (97°F) and an average of 25°C (78°F). This month also experiences higher humidity at 75%, resulting in a wetter climate with 121 mm (4.8 in) of precipitation over 11 days. In contrast, August offers a cooler atmosphere, with temperatures dipping to a minimum of 3°C (38°F) and only rising to 34°C (94°F), averaging 19°C (66°F). The humidity decreases to 49%, and precipitation is less frequent, totaling 76 mm (3.0 in) over just 6 days. For more specific insights on weather during this time, check out Foz do Iguacu weather in August.
In March, the weather is characterized by higher temperatures, with a minimum of 13°C (55°F), an average of 25°C (78°F), and a maximum reaching up to 36°C (97°F). The month also sees significant rainfall, averaging 121 mm (4.8 in) over 11 days, and maintains a high humidity level of 75%. In contrast, September experiences cooler temperatures, ranging from a minimum of 9°C (49°F) to a maximum of 39°C (102°F), with an average of 23°C (74°F). The precipitation is less, at 78 mm (3.1 in) over just 6 days, and the humidity drops to a more comfortable 52%. For those interested in more detailed information, you can check Foz do Iguacu weather in September.
When comparing the weather in March and October, both months present warm temperatures, but with some distinctions. March generally features a minimum temperature of 13°C (55°F) and an average high of 36°C (97°F), while October slightly lowers the minimum to 12°C (53°F) and can reach a maximum of 40°C (103°F). Precipitation is also a notable factor; March experiences about 121 mm (4.8 in) over 11 days, whereas October sees an increase to 171 mm (6.7 in) across 12 days. Additionally, March has higher humidity at 75%, in contrast to October’s 55%. For more specific details on the climatic conditions during October, you can check out Foz do Iguacu weather in October.
In March, temperatures range from a minimum of 13°C (55°F) to a maximum of 36°C (97°F), with an average temperature of 25°C (78°F). The month typically experiences 121 mm (4.8 in) of precipitation over 11 days, accompanied by a humidity level of 75%. In contrast, November offers slightly warmer weather, with temperatures ranging from 14°C (58°F) to a high of 37°C (98°F), maintaining a similar average of 25°C (77°F). November sees a slightly lower total precipitation of 118 mm (4.7 in) over just 9 days, along with a marginally lower humidity level of 73%. For a more detailed look at the weather conditions, check out Foz do Iguacu weather in November.
March and December in Foz do Iguacu exhibit warm temperatures, with March averaging around 25°C (78°F) and December slightly warmer at 26°C (79°F). However, December tends to experience higher maximum temperatures, reaching up to 38°C (100°F) compared to March's maximum of 36°C (97°F). Both months see a similar number of rainy days, with March recording 121 mm (4.8 in) of precipitation and December having a bit more at 155 mm (6.1 in), contributing to the overall increased humidity in December at 85%, compared to March's 75%. For more details on December weather, you can check Foz do Iguacu weather in December.
In March, Foz do Iguaçu experiences a remarkable transition, characterized by warmer temperatures and more humidity compared to the preceding months. With an average daily high reaching a pleasant 25°C (78°F), this month brings an inviting atmosphere, though temperatures can soar to a sweltering 36°C (97°F) at times. Rainfall is also more prevalent, with about 11 days of precipitation, totaling 121 mm (4.8 in), which contributes to the region's lush, vibrant environment. This seasonal shift not only enhances the beauty of the Iguazu Falls but also makes March an intriguing month for visitors eager to experience the dynamic climate. To learn more about what to expect throughout the year, check out Foz do Iguacu Climate.