Last updated: August 21, 2025
Foz do Iguaçu in July experiences a fascinating climate, characterized by a maximum temperature soaring up to 30°C (87°F) and an average of 17°C (63°F). Nighttime reveals a cooler side, with lows dropping to 1°C (34°F). This month sees a humidity level hovering around 61%, adding a mild stickiness to the air. Rainfall is relatively modest with a total of 43 mm (1.7 in) spread over 6 days, making for a pleasant atmosphere that enhances the region's natural beauty. Whether exploring the stunning Iguazu Falls or enjoying the lush landscapes, the July weather offers a delightful experience for visitors.
In July, Foz do Iguaçu experiences its coolest temperatures of the year, with the average settling at a crisp 17°C (63°F). As the region transitions into winter, nighttime lows dip to a chilly 1°C (34°F), making it the coldest month. Despite these cooler temperatures, daytime highs can still reach around 30°C (87°F), providing a pleasant contrast for outdoor activities. This unique blend of temperatures showcases July as a transitional month in the climate cycle, where winter's grip is felt at night while the sun warms the days, inviting travelers to enjoy the area's stunning natural beauty in a comfortable climate.
In Foz do Iguaçu, Brazil, July marks a significant shift in the region's precipitation patterns, receiving only 43 mm (1.7 in) of rain over about 6 days. This stands in stark contrast to the wetter months earlier in the year, such as January and May, which see precipitation levels soaring above 150 mm. As winter settles in, July's drier conditions provide a brief reprieve from the heavy downpours of late spring and early summer, allowing for clearer skies and more outdoor activities. While rainfall resumes its upward trend in August, with 76 mm (3.0 in) expected, July serves as a refreshing lull in Foz do Iguaçu's typically humid climate.
In July, Foz do Iguaçu experiences a noticeable drop in humidity, reaching 61%—the lowest level of the year. This significant decrease from the wetter months of January and February, which boast humidity levels of 82% and 79% respectively, marks a shift towards a more comfortable climate. As the winter season sets in, the air feels lighter and more refreshing, providing a welcome respite from the sticky summer months. The trend continues into August, where humidity dips further to 49%, showcasing the region's seasonal variation. With this dry spell, July is an ideal time for visitors to explore the breathtaking waterfalls and lush landscapes without the oppressive heat and humidity that often characterize other times of the year.
In July, Foz do Iguacu, Brazil, experiences a UV Index of 6, categorized as high, and a burn time of 25 minutes. This marks a slight uptick from June's moderate levels, reflecting a trend where the UV Index begins its gradual climb after the cooler months. While July still allows for outdoor activities with some caution, it serves as a reminder to remain vigilant as the summer approaches. Notably, the UV Index is significantly higher at the start of the year, peaking at 15 in both January and February, showcasing the drastic seasonal variations that highlight the region's intense sun exposure. Visitors should be prepared and informed about these changes to enjoy the breathtaking beauty of Foz do Iguacu safely. For more information, check the detailed Foz do Iguacu UV Index.
UV Risk Categories
In Foz do Iguaçu, July shines brightly with approximately 277 hours of sunshine, making it a delightful time to experience the region's natural wonders. While this month offers a respectable amount of sun, it follows the trend of slightly diminishing daylight compared to the sunniest months earlier in the year, where January through March boast over 310 hours each. However, July still outshines the cooler months leading into winter, affirming its position as a vibrant time for exploration. As the year progresses, November and December promise even more brilliance, with sunshine peaking at a remarkable 319 hours and 351 hours, respectively, underscoring the inviting atmosphere of this breathtaking Brazilian destination. Enjoying July in Foz do Iguaçu means reveling in abundant sunlight while marveling at the stunning waterfalls and lush landscapes that await.
In Foz do Iguaçu, July boasts a notable 67% chance of sunny weather, making it one of the brightest months of the year. This favorable likelihood aligns with the upward trend observed from June, where sunny days start to gain momentum. After experiencing a dip in sunny days mid-year, the cloud cover gives way to more sunshine, echoing the patterns seen from February to April. As the year progresses into July, the sun shines brightly, making it an enticing time for visitors to explore the breathtaking beauty of the region's waterfalls and lush landscapes. With conditions like these, it's no wonder July is favored for outdoor adventures!
In Foz do Iguaçu, Brazil, July marks a continuation of the shorter daylight hours characteristic of the winter months in the Southern Hemisphere. With only 10 hours of daylight, this month mirrors both June and May, indicating a trend where daylight gradually decreases from a lengthy 13 hours in January to a minimum during the winter months. Following July, daylight duration begins to increase again in August, reaching 11 hours, suggesting a slow transition towards the longer, sun-drenched days of late spring and summer. This cyclical pattern not only showcases the seasonal shifts but also offers visitors a unique opportunity to experience the region’s enchanting landscapes bathed in the beautiful, golden light of winter.
In Foz do Iguaçu, July marks a slight uptick in wind activity, with an average wind speed of 2.6 m/s (6 mph), paralleling January's breezy conditions. This month reflects a consistent pattern seen throughout the cooler half of the year, where wind speeds generally hover between 2.5 to 2.9 m/s. As temperatures begin to cool, the winds provide a refreshing backdrop to the region’s stunning natural scenery. Interestingly, the late winter months of July and August witness a gradual increase in wind speed, hinting at the dynamic atmospheric shifts characteristic of the Southern Hemisphere's seasonal transitions. Overall, July's breeze adds a pleasant touch to the vibrant atmosphere of Foz do Iguaçu, enhancing the experience for visitors drawn to its extraordinary landscapes.
Weather in Foz do Iguacu varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Foz do Iguacu, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present contrasting weather conditions. In July, temperatures range from a chilly 1°C (34°F) at night to a warm 30°C (87°F) during the day, with an average of 17°C (63°F). The month sees relatively low precipitation of 43 mm (1.7 in) over just 6 days, accompanied by a humidity level of 61%. In stark contrast, January experiences much hotter temperatures, with nighttime lows of 16°C (62°F) and daytime highs soaring to a scorching 39°C (102°F), averaging 27°C (80°F). Rainfall in January is significantly higher at 154 mm (6.1 in), occurring over 16 days, and the humidity increases to 82%. For more details on January weather, visit Foz do Iguacu weather in January.
When comparing the weather in July and February, it's clear that February is significantly warmer and more humid. In July, temperatures range from a minimum of 1°C (34°F) to a maximum of 30°C (87°F), with an average of 17°C (63°F) and relatively low humidity at 61%. Precipitation in July is limited, averaging 43 mm (1.7 in) over just 6 days. In contrast, February presents much higher temperatures, with a minimum of 15°C (59°F) and a peak of 37°C (98°F), averaging 26°C (79°F). The month is also wetter, with 111 mm (4.4 in) of rain spread over 11 days and higher humidity at 79%. For more details on February weather in this region, check out Foz do Iguacu weather in February.
In comparing the weather of July and March, notable differences emerge. July experiences cooler temperatures, with a minimum of 1°C (34°F) and an average of 17°C (63°F), while March boasts higher temperatures, ranging from a minimum of 13°C (55°F) to a maximum of 36°C (97°F). Additionally, March tends to be wetter, recording 121 mm (4.8 in) of precipitation over 11 days, compared to July’s 43 mm (1.7 in) over just 6 days. The humidity levels also reflect this disparity, with July averaging 61% versus March’s higher 75%. For more details about March weather specifics, you can check Foz do Iguacu weather in March.
When comparing the weather in July and April, noticeable differences emerge. July tends to be cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 30°C (87°F) and an average of 17°C (63°F). In contrast, April features warmer temperatures, with a minimum of 8°C (47°F) and reaching as high as 35°C (95°F), averaging around 22°C (73°F). Precipitation levels are also significantly higher in April, totaling 105 mm (4.1 in) over 6 days, compared to just 43 mm (1.7 in) in July, which also has the same number of rainy days. Additionally, the humidity is higher in April at 74%, while July’s humidity is more moderate at 61%. For a more detailed look at April weather, visit Foz do Iguacu weather in April.
When comparing the weather between July and May, notable differences emerge. July offers a cooler climate with minimum temperatures dropping to 1°C (34°F) and a maximum of 30°C (87°F), while May experiences milder temperatures, ranging from a minimum of 6°C (44°F) to a maximum of 33°C (91°F). Additionally, July has less precipitation at 43 mm (1.7 in) over 6 days, in contrast to May’s significantly higher 149 mm (5.9 in) of rainfall over 10 days. The humidity levels are also higher in May at 75%, compared to July’s 61%. For further insights into May's weather, you can check Foz do Iguacu weather in May.
In comparing the weather of July and June, both months experience similar temperature ranges, with maximums reaching up to 30°C (87°F) and average temperatures around 17°C (63°F) in July and 18°C (64°F) in June. However, July sees a lower minimum temperature of 1°C (34°F) as opposed to June's 2°C (36°F). Precipitation is significantly reduced in July, totaling 43 mm (1.7 in) over 6 days, compared to June's much wetter conditions with 146 mm (5.7 in) over 9 days. The humidity also drops slightly in July to 61%, while June has a higher humidity level of 70%. For those interested in a detailed breakdown of June weather, check out Foz do Iguacu weather in June.
In comparing the weather between July and August, notable differences emerge in temperature and precipitation patterns. July experiences a minimum temperature of 1°C (34°F) and an average of 17°C (63°F), reaching a maximum of 30°C (87°F), with a total of 43 mm (1.7 in) of rain over 6 days and humidity levels at 61%. Conversely, August sees a slightly milder minimum temperature of 3°C (38°F) and a higher average of 19°C (66°F), peaking at 34°C (94°F). However, this month also has increased precipitation, totaling 76 mm (3.0 in) while maintaining the same number of wet days. Additionally, humidity decreases to 49%, making August feel less muggy despite the increased rainfall. For more detailed insights into the specific weather conditions in August, you can visit Foz do Iguacu weather in August.
In comparing the weather between July and September, we notice a significant shift in temperatures and precipitation patterns. July boasts a cooler climate with minimums dropping to 1°C (34°F) and an average of 17°C (63°F), while September enjoys warmer temperatures with a minimum of 9°C (49°F) and an average of 23°C (74°F). Notably, September can reach maximum temperatures as high as 39°C (102°F), significantly warmer than July's maximum of 30°C (87°F). Additionally, September experiences increased precipitation at 78 mm (3.1 in) over the same number of rainy days as July, which sees only 43 mm (1.7 in). Humidity levels also vary, with July at 61% and September slightly lower at 52%. For a detailed look at September's weather in Foz do Iguacu, check out Foz do Iguacu weather in September.
In comparing the weather of July and October, a marked difference emerges, particularly in temperature and precipitation patterns. July experiences cooler temperatures with a minimum of 1°C (34°F) and an average of 17°C (63°F), while October sees significantly warmer conditions, boasting a minimum of 12°C (53°F) and an average of 24°C (75°F). Furthermore, October is characterized by higher precipitation levels, totaling 171 mm (6.7 in) over approximately 12 days, compared to July’s 43 mm (1.7 in) spread over just 6 days. Interestingly, while October has more rainfall days, it features slightly lower humidity at 55% compared to July's 61%. For more insights on October weather specifics, you can check Foz do Iguacu weather in October.
In comparing the weather between July and November, we see a distinct contrast. July experiences cooler temperatures, with a minimum of 1°C (34°F) and an average of 17°C (63°F), while November presents much warmer conditions, showcasing a minimum of 14°C (58°F) and an average of 25°C (77°F). Furthermore, November has a significantly higher maximum temperature, peaking at 37°C (98°F) compared to July's 30°C (87°F). Precipitation also differs, with July receiving 43 mm (1.7 in) over 6 days, while November sees a much wetter climate with 118 mm (4.7 in) across 9 days. The humidity levels reflect this change as well, with July at 61% and November at 73%. For more details on the weather in November, you can explore Foz do Iguacu weather in November.
In July, the weather in Foz do Iguacu is characterized by mild temperatures, with a minimum of 1°C (34°F), an average of 17°C (63°F), and a peak of 30°C (87°F). This month sees relatively low precipitation, totaling 43 mm (1.7 in) over about 6 days, and humidity levels around 61%. In contrast, December brings much warmer conditions, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 38°C (100°F) and an average of 26°C (79°F). Rainfall is significantly higher in December, with 155 mm (6.1 in) spread across 11 days, and humidity increases to 85%. For more specifics on December weather, check out Foz do Iguacu weather in December.
In July, Foz do Iguaçu experiences a more temperate atmosphere compared to the hotter months, presenting a refreshing average temperature that can reach a pleasant maximum during the day while dipping notably at night. This month typically brings less rainy days, but when it does rain, the precipitation tends to accumulate, contributing to the lush scenery that surrounds the region. Moreover, the humidity remains manageable, creating a balanced environment for both tourists and locals alike. For those looking to dive deeper into the distinctive characteristics of Foz do Iguaçu's weather throughout the year, be sure to visit Foz do Iguacu Climate.