Last updated: August 21, 2025
In July, Puerto Iguazu experiences a mild climate, characterized by a maximum temperature of 30°C (87°F) and an average of 17°C (63°F), providing a pleasant escape from the heat. However, cooler nights can drop to a minimum of 1°C (34°F), so visitors should be prepared for varying temperatures. Rainfall is moderate, with 43 mm (1.7 in) expected across approximately 6 days, contributing to the region's lush scenery. The humidity level hovers around 61%, ensuring that the air feels refreshing and invigorating as it embraces the natural beauty of this iconic destination.
In July, Puerto Iguazu experiences a notable drop in temperatures as winter sets in, with nighttime lows dipping to 1°C (34°F). The average temperature hovers around 17°C (63°F), offering a refreshing contrast to the summer heat, while daytime highs can reach up to 30°C (87°F). This month marks a significant transition from the warmer months of late autumn, where temperatures began to cool noticeably. As the region prepares for spring, July's cooler climate invites visitors to explore the breathtaking beauty of the Iguazu Falls without the crowds, making it an ideal time for nature lovers and adventurers alike.
In July, Puerto Iguazu experiences a noticeable dip in precipitation, with only 43 mm (1.7 in) of rain spread over just 6 days. This marks a distinct contrast to the wetter months preceding it, particularly January and October, which both see significantly higher totals—culminating at 154 mm and 171 mm, respectively. With rainfall tapering off this month, July presents a mild respite in the region's otherwise lush climate, hinting at the transition from the rainier half of the year towards drier conditions. The relatively low precipitation levels can be an inviting time for visitors to explore the stunning natural beauty of Iguazu Falls, as the weather permits more outdoor activities amidst the lush greenery.
In July, Puerto Iguazu experiences a noticeable dip in humidity, averaging around 61%. This reduction marks a significant shift from the dampness of earlier months, especially when contrasted with the peak humidity of 82% in January. As winter settles in, the area enjoys a more comfortable atmosphere, making it appealing for visitors seeking to explore its breathtaking natural wonders without the intensity of summer humidity. Following July, humidity continues to decline into August, reaching a low point of 49%, highlighting a trend of decreasing moisture that characterizes the region's winter months. This seasonal fluctuation not only enhances the local climate but also influences the overall experience for those traveling to this enchanting destination.
In July, the UV Index in Puerto Iguazu, Argentina reaches a level of 6, categorized as high, with a burn time of approximately 25 minutes. This marks a slight increase from June's moderate index of 5, suggesting that the sun's intensity begins to rise again as winter transitions to spring. While the UV levels remain lower than the extreme categories seen earlier in the year, outdoor enthusiasts should still take precautions against prolonged sun exposure. Notably, the upcoming months will see a progressive climb, with August hitting an 8 and September a 10, indicating the peak summer season is just around the corner. For those planning to soak up the sun, it's essential to stay informed and prepared; check out the complete details at Puerto Iguazu UV Index.
UV Risk Categories
In July, Puerto Iguazu shines brightly with an impressive 277 hours of sunshine, continuing a trend of luminous days that peaks towards the end of the year. Following the cooler months of May and June, which saw fewer sunlit hours, July marks a gentle resurgence in sunshine, setting the stage for the vibrant weather that characterizes the latter half of the year. As the days gradually grow longer, visitors can enjoy the natural beauty of the region, making it an ideal time for exploration before the sun-drenched November and December months arrive, when sunlight reaches a dazzling 319 and 351 hours, respectively. This consistent pattern of increasing sunlight showcases the allure of Puerto Iguazu as a destination that basks in warmth and brightness, inviting travelers to immerse themselves in its stunning landscapes.
In July, Puerto Iguazu experiences a 67% chance of sunny weather, marking it as one of the brighter months of the year. This delightful shift in sunshine coincides with a trend of increasing likelihood of clear skies, beginning from the cooler, cloudier months of June with only 46% sunshine. Following July, the chance of sun dips slightly in August to 62%, suggesting a pattern where the winter months provide a pleasant balance of warmth and brightness. Overall, July stands out as a prime time for outdoor activities, as it offers a refreshing escape into sun-drenched days amidst the stunning backdrop of Iguazu's natural beauty.
In Puerto Iguazu, Argentina, July sees a consistent 10 hours of daylight, mirroring the preceding month of June. This period marks the heart of winter, where sunlight begins to retreat, offering shorter days and longer nights. As the year progresses, a gradual increase in daylight returns by August, with 11 hours signifying the transition toward spring. Overall, July stands as a pivotal moment in the seasonal cycle, where the landscape is bathed in a softer, more tranquil light that invites exploration of the region's stunning natural wonders.
In July, Puerto Iguazu experiences an average wind speed of 2.6 m/s (6 mph), maintaining the levels seen in both January and June. This consistent breeze begins a subtle upward trend as the region transitions into August, where wind speeds increase to 2.8 m/s (6 mph). The early winter months of May and June, along with July, reveal a relatively stable wind pattern, offering a feeling of freshness amidst the subtropical warmth. As summer approaches, one can expect an increase in wind speeds, peaking in September at 2.9 m/s (6 mph), only to settle back down in the later months of the year. This gentle yet steady airflow contributes to the region's vibrant atmosphere, making July an ideal time to explore the breathtaking landscapes of Iguazu Falls while enjoying the refreshing currents of the wind.
Weather in Puerto Iguazu varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Puerto Iguazu, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in July and January, it becomes clear that these months present quite different climates. July features a mild temperature range with a minimum of 1°C (34°F) and a maximum of 30°C (87°F), accompanied by relatively low precipitation of 43 mm (1.7 in) over just six days and a moderate humidity of 61%. In stark contrast, January experiences warmer conditions with temperatures ranging from a minimum of 16°C (62°F) to a scorching maximum of 39°C (102°F). This month also sees significantly more rainfall, totaling 154 mm (6.1 in) over 16 days, coupled with a higher humidity level of 82%. For more details on January’s climate, you can visit Puerto Iguazu weather in January.
When comparing the weather in July and February, notable differences emerge. July boasts a more moderate temperature range, with minima of 1°C (34°F) and maximums reaching 30°C (87°F), while February experiences much warmer conditions, with minimums of 15°C (59°F) and highs peaking at 37°C (98°F). Additionally, February sees significantly higher precipitation levels at 111 mm (4.4 in) over 11 days compared to July's 43 mm (1.7 in) spread across just 6 days. Humidity levels also rise in February, averaging 79% compared to July's 61%. For more specific details about February weather in this region, visit Puerto Iguazu weather in February.
In comparing the weather of July and March, it's clear that July experiences cooler temperatures with a minimum of 1°C (34°F) and an average of 17°C (63°F), peaking at a maximum of 30°C (87°F). In contrast, March showcases much warmer conditions, beginning with a minimum of 13°C (55°F) and averaging 25°C (78°F), with highs reaching up to 36°C (97°F). Additionally, March sees significantly higher precipitation, totaling 121 mm (4.8 in) over 11 days, compared to July's 43 mm (1.7 in) over just 6 days. The humidity is also more pronounced in March at 75%, compared to the 61% in July. For a more detailed look at March's weather, check out Puerto Iguazu weather in March.
In comparing the weather between April and July, notable differences in temperature and precipitation emerge. April experiences milder temperatures with a minimum of 8°C (47°F) and an average of 22°C (73°F), peaking at 35°C (95°F). This month also sees higher precipitation levels at 105 mm (4.1 in) over 6 days, accompanied by a humidity level of 74%. In contrast, July is cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 30°C (87°F) and a lower average of 17°C (63°F). Precipitation in July totals 43 mm (1.7 in) over the same number of days but with a reduced humidity of 61%. For more specific insights about April weather, visit Puerto Iguazu weather in April.
In comparing the weather of July and May, we see notable differences in temperature and precipitation patterns. July boasts a minimum temperature of 1°C (34°F) and an average of 17°C (63°F), with maximums reaching 30°C (87°F). This month tends to be drier, receiving just 43 mm (1.7 in) of rain over approximately 6 days, accompanied by a humidity level of 61%. In contrast, May presents a warmer minimum of 6°C (44°F) and an average temperature of 19°C (67°F), peaking at a high of 33°C (91°F). However, May is wetter, experiencing 149 mm (5.9 in) of rainfall spread across 10 days, resulting in higher humidity at 75%. For a closer look at the weather specifics during this month, you can check Puerto Iguazu weather in May.
In comparing the weather of July and June, we see some notable differences. July's temperatures range from a minimum of 1°C (34°F) to a maximum of 30°C (87°F), with an average temperature of 17°C (63°F). In contrast, June has slightly warmer temperatures, with a minimum of 2°C (36°F) and an average of 18°C (64°F), while also reaching the same maximum of 30°C (87°F). Precipitation is significantly lower in July, accumulating to just 43 mm (1.7 in) over 6 days, compared to June's much wetter conditions, which see 146 mm (5.7 in) over 9 days. Additionally, humidity remains higher in June at 70%, while July's humidity averages around 61%. For more detailed information on June's weather, check out Puerto Iguazu weather in June.
In comparing the weather between July and August, we notice a general warming trend. July features a temperature range from a chilly 1°C (34°F) to a pleasant 30°C (87°F), with an average of 17°C (63°F) and moderate humidity at 61%. In contrast, August sees minimum temperatures rise to 3°C (38°F) and a higher maximum of 34°C (94°F), along with an increased average temperature of 19°C (66°F). Precipitation also increases in August to 76 mm (3.0 in) over 6 days, compared to July's 43 mm (1.7 in) on the same number of days. This indicates not only warmer weather but also wetter conditions. For more detailed insights, visit Puerto Iguazu weather in August.
In July, the weather presents cooler temperatures, with a minimum of 1°C (34°F), an average of 17°C (63°F), and a maximum of 30°C (87°F). Precipitation is relatively low at 43 mm (1.7 in) over six days, accompanied by a humidity level of 61%. In contrast, September experiences milder evenings with a minimum of 9°C (49°F) and an increased average temperature of 23°C (74°F), reaching a maximum of 39°C (102°F). The month sees more rainfall, totaling 78 mm (3.1 in) over the same six days, but with a lower humidity of 52%. For more details, you can check out Puerto Iguazu weather in September.
In July, the weather features a cooler temperature range, with minimums dipping to 1°C (34°F) and a modest average of 17°C (63°F), peaking at 30°C (87°F). Precipitation is relatively light at 43 mm (1.7 in) over approximately 6 days, while humidity hovers around 61%. In contrast, October brings a significant rise in temperatures, with minimums starting at 12°C (53°F) and reaching an impressive high of 40°C (103°F), averaging 24°C (75°F). However, October is also marked by higher precipitation levels, totaling 171 mm (6.7 in) over 12 days, and a decrease in humidity to 55%. For more detailed information, you can check Puerto Iguazu weather in October.
In July, the weather in Puerto Iguazu is generally mild with temperatures ranging from a low of 1°C (34°F) to a comfortable average of 17°C (63°F), peaking at a maximum of 30°C (87°F). This month experiences relatively low precipitation, with only 43 mm (1.7 in) over about 6 days, and humidity levels around 61%.
In contrast, November brings warmer and more humid conditions, with temperatures starting at a minimum of 14°C (58°F) and averaging 25°C (77°F), reaching as high as 37°C (98°F). The month sees increased rainfall, totaling 118 mm (4.7 in) across approximately 9 days, and humidity levels rising to 73%. For more detailed information about November's weather in Puerto Iguazu, you can visit Puerto Iguazu weather in November.
In July, temperatures in Puerto Iguazu 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). The month experiences relatively low precipitation of 43 mm (1.7 in) over just six days, resulting in a humidity level of 61%. In contrast, December is significantly warmer, with temperatures starting at a minimum of 14°C (58°F) and reaching up to 38°C (100°F), averaging 26°C (79°F). December also sees much higher precipitation at 155 mm (6.1 in) across 11 days, accompanied by increased humidity at 85%. For more details on December weather, you can reference Puerto Iguazu weather in December.
In July, Puerto Iguazu experiences a unique blend of mild temperatures and moderate humidity, setting it apart from other months. With daily maximums reaching around 30°C, but dipping to cooler averages of 17°C and even lower at night, visitors can enjoy comfortable days and crisp evenings. While this month sees an increase in precipitation compared to the drier summer months, the total of 43 mm over about six days means that rain is still relatively manageable. This combination of warm days and refreshing nights makes July an ideal time for exploring the stunning natural beauty of the region. To learn more about the weather patterns throughout the year, visit Puerto Iguazu Climate.