Last updated: August 21, 2025
In October, Puerto Iguazu experiences a dynamic climate where temperatures can soar to a maximum of 40°C (103°F) while averaging a comfortable 24°C (75°F). As the month unfolds, visitors can expect shifts from warmth to cooler nights, with minimum temperatures dipping to 12°C (53°F). This transitional month brings a substantial 171 mm (6.7 in) of rainfall over approximately 12 days, contributing to the lush, vibrant landscape the region is renowned for. With a humidity level of 55%, October offers an ideal setting for nature enthusiasts to explore the captivating beauty of Iguazu Falls and the surrounding tropical rainforest.
In October, Puerto Iguazu experiences a delightful transition towards warmer weather, as temperatures begin to rise following the cooler months. The minimum temperature averages around 12°C (53°F), providing a mild start to the days, while afternoon highs can soar to 40°C (103°F). This creates an inviting average temperature of 24°C (75°F), ideal for exploring the breathtaking natural wonders of the region. As the month progresses, the increasing warmth hints at the imminent summer, attracting visitors eager to experience the awe-inspiring Iguazu Falls and the lush surrounding landscapes in their full glory.
In October, Puerto Iguazu experiences a notable increase in precipitation, with an impressive 171 mm (6.7 in) falling over approximately 12 days. This marks a significant uptick compared to previous months, showcasing October as one of the wetter times of the year. Following a relatively dry July with just 43 mm, the region's rainfall trends upwards, with each subsequent month leading up to October showing a gradual increase. This surge in precipitation can invigorate the lush landscapes for which Iguazu is famous, enriching the waterfalls and surrounding nature, making it a vibrant time for visitors to experience the area's breathtaking beauty.
October in Puerto Iguazu ushers in a noticeable shift in humidity, with levels reaching around 55%. This marks a gradual increase from the low of 49% in August, hinting at the onset of the warmer months ahead. Following a trend of decreasing humidity from the sweltering heights of summer, where January peaks at 82%, October’s moderate levels indicate a transitional phase. As the region gears up for the vibrant energy of November with humidity climbing back to 73%, October serves as a refreshing interlude, providing a comfortable atmosphere for exploring the breathtaking landscapes of Iguazu Falls. Overall, the trend showcases a distinct ebb and flow of humidity that characterizes the subtropical climate, embodying the essence of Puerto Iguazu's seasonal rhythm.
In October, Puerto Iguazu experiences a UV Index of 13, categorizing it as extreme with a burn time of just 10 minutes. This marks a continuation of the high UV levels seen throughout the spring months, particularly echoing the extreme indices recorded in January, February, and November. The trend shows that as the year transitions from the cooler winter months, UV exposure significantly elevates, reminding visitors and residents alike to prioritize sun protection during this time. For more detailed insights and daily variations, check out the Puerto Iguazu UV Index.
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October in Puerto Iguazu offers a delightful balance of sunshine, with 276 hours of radiant light. As the year progresses, the trend reveals that October sits comfortably in the middle range of sunshine hours, nestled between the warmer months of May (253 hours) and the lush November bloom, which boasts an impressive 319 hours. This transitional month bridges the gap, maintaining a consistent glow when compared to September’s slightly higher 278 hours. As visitors explore the breathtaking Iguazu Falls or wander through vibrant landscapes, the warmth of October’s sunshine enhances every moment, promising a vibrant backdrop for adventure and relaxation alike.
In Puerto Iguazu, October brings a 42% chance of sunny weather, marking a noticeable dip compared to the sun-soaked summer months. While the sun shines brightly in January at 28% and reaches its peak in December with 75%, October falls in line with the seasonal transition, showcasing a trend of fluctuating sunshine. Notably, as the year progresses from the sizzling heights of summer to the cooler autumn months, sunny days begin to dwindle, with only April, May, and November performing slightly better. This suggests that while October may not boast the most consistent sunshine, there’s still a refreshing charm to the mild weather that characterizes the fall season here.
October in Puerto Iguazu, Argentina, ushers in a delightful transition as daylight returns to 12 hours, striking a balance between the longer days of summer and the shorter days of winter. Following the gradual decline from the sun-drenched heights of January's 13 hours, the month of October marks a resurgence in daylight after several months of diminished hours. This rhythmic ebb and flow continues throughout the year, with November promising a return to 13 hours of sunlight. Such patterns highlight Puerto Iguazu’s unique seasonal climate, offering visitors ample opportunity to explore its lush landscapes and dramatic waterfalls under the generous embrace of daylight.
As October settles in Puerto Iguazú, the winds maintain a gentle presence with an average speed of 2.6 m/s (6 mph), consistent with the previous months of July and August. This stability suggests a transition towards the warmer months while retaining a breezy charm, ideal for those exploring the breathtaking landscapes and vibrant flora of the region. Following a slight uptick in September, October’s winds offer a refreshing balance—enough to invigorate the senses without overwhelming the serene atmosphere. As the month progresses, expect the winds to blend harmoniously with the enchanting sounds of nature, creating an unforgettable experience in this South American paradise.
Weather in Puerto Iguazu varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Puerto Iguazu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather in Puerto Iguazu features a minimum temperature of 12°C (53°F) and an average of 24°C (75°F), reaching a maximum of 40°C (103°F). The month experiences relatively high precipitation, with 171 mm (6.7 in) spread over 12 days, accompanied by 55% humidity. Conversely, January sees a slight increase in minimum and average temperatures, with lows of 16°C (62°F) and averages around 27°C (80°F). The maximum temperature remains comparable at 39°C (102°F), but January tends to be more humid at 82% and receives slightly less rainfall, totaling 154 mm (6.1 in) over 16 days. For more detailed weather insights, check out Puerto Iguazu weather in January.
In comparing the weather of October and February, October experiences a broader temperature range, with minimums of 12°C (53°F) and maximums reaching 40°C (103°F), averaging at 24°C (75°F). It also has higher precipitation levels of 171 mm (6.7 in) over about 12 days, coupled with a humidity of 55%. In contrast, February is slightly warmer overall, with minimum temperatures of 15°C (59°F) and maximums of 37°C (98°F), averaging 26°C (79°F). This month receives less rain at 111 mm (4.4 in) over 11 days, but the humidity is notably higher at 79%. For more specific details on February weather, visit Puerto Iguazu weather in February.
In October, the weather in Puerto Iguazu features a wider temperature range, with minimums around 12°C (53°F) and maximums soaring up to 40°C (103°F). This month also experiences significant rainfall, with an average precipitation of 171 mm (6.7 in) over approximately 12 days and a humidity level of 55%. In contrast, March has a slightly higher minimum temperature of 13°C (55°F) and an average maximum of 36°C (97°F). Although it receives less rainfall, totaling 121 mm (4.8 in) over about 11 days, March is notably more humid, with humidity levels reaching 75%. For a more detailed look at the weather conditions in March, you can visit Puerto Iguazu weather in March.
When comparing the weather in October and April, notable differences emerge. October experiences higher temperatures, with daily averages reaching 24°C (75°F) and maxima soaring up to 40°C (103°F), while April's temperatures are slightly cooler, averaging around 22°C (73°F) and peaking at 35°C (95°F). Precipitation also varies, with October receiving more rainfall at 171 mm (6.7 in) over 12 days, compared to April's 105 mm (4.1 in) over just 6 days. Additionally, April tends to be more humid, with a humidity level of 74%, in contrast to October's 55%. For more detailed information, you can check Puerto Iguazu weather in April.
In comparing the weather of October and May, it's clear that October experiences significantly higher temperatures, with a minimum of 12°C and a maximum reaching up to 40°C, averaging around 24°C. In contrast, May is cooler, with temperatures ranging from a minimum of 6°C to a maximum of 33°C, averaging 19°C. Although October has slightly more precipitation at 171 mm over 12 days, May's 149 mm over 10 days combined with higher humidity levels at 75% contributes to a distinctively wetter feel. For more detailed insights into May's weather patterns, you can check this link: Puerto Iguazu weather in May.
When comparing the weather in October and June, October is significantly warmer with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 40°C (103°F), while June is cooler, with temperatures starting at 2°C (36°F) and peaking at 30°C (87°F). October also experiences more rainfall, totaling 171 mm (6.7 in) over about 12 days, compared to June's 146 mm (5.7 in) across 9 days. Furthermore, humidity levels are slightly lower in October at 55% compared to the higher 70% in June. For more detailed information about June weather, refer to Puerto Iguazu weather in June.
When comparing the weather in October and July, it's clear that October is considerably warmer, with average temperatures reaching 24°C (75°F) compared to July's average of just 17°C (63°F). October can see maximum temperatures soaring up to 40°C (103°F), while July's highs reach a milder 30°C (87°F). Additionally, October experiences significantly more precipitation, with 171 mm (6.7 in) over 12 days, in contrast to July's 43 mm (1.7 in) over only 6 days. Interestingly, humidity levels are relatively close, with October at 55% and July slightly higher at 61%. For more detailed insights into the weather conditions during this period, check out Puerto Iguazu weather in July.
When comparing the weather in October and August, October is noticeably warmer, featuring a minimum temperature of 12°C (53°F) and an average high of 40°C (103°F), compared to August's cooler temperatures, which see a minimum of 3°C (38°F) and a maximum of 34°C (94°F). Additionally, October experiences significantly more rainfall, with 171 mm (6.7 in) of precipitation over 12 days, whereas August receives only 76 mm (3.0 in) over 6 days. Humidity levels are also higher in October, averaging 55%, compared to August's 49%. For more details on August weather, you can visit Puerto Iguazu weather in August.
In comparing the weather between September and October, October sees a notable increase in temperature, with lows around 12°C (53°F) and highs reaching up to 40°C (103°F), while September has cooler temperatures, ranging from a minimum of 9°C (49°F) to a maximum of 39°C (102°F). Additionally, October experiences significantly more precipitation, accumulating 171 mm (6.7 in) over 12 days compared to September's 78 mm (3.1 in) over just 6 days. Humidity levels also rise slightly, averaging 55% in October, compared to 52% in September. For more details on September weather, you can visit Puerto Iguazu weather in September.
In comparing the weather of October and November, October boasts a wider temperature range with a maximum of 40°C (103°F) and an average of 24°C (75°F), while November sees a slightly milder maximum of 37°C (98°F) and an average of 25°C (77°F). Precipitation decreases from 171 mm (6.7 in) over 12 days in October to 118 mm (4.7 in) over 9 days in November, leading to a drier month. Additionally, humidity levels rise considerably from 55% in October to 73% in November, creating a more humid environment as the months progress. For more detailed information, check out the Puerto Iguazu weather in November.
In October, the temperatures in Puerto Iguazu range from a minimum of 12°C (53°F) to a maximum of 40°C (103°F), with an average temperature of 24°C (75°F). The month experiences considerable rainfall, totaling 171 mm (6.7 in) across 12 days, and a moderate humidity level of 55%. In contrast, December sees slightly higher temperatures, with a minimum of 14°C (58°F) and an average of 26°C (79°F), while the maximum reaches 38°C (100°F). Interestingly, December has less rainfall at 155 mm (6.1 in) over 11 days, but the humidity increases significantly to 85%. For a detailed look at the weather specifics, you can visit Puerto Iguazu weather in December.
October in Puerto Iguazu marks a significant shift in weather as temperatures begin to rise, creating a vibrant and inviting atmosphere. With an average temperature of 24°C (75°F), days are pleasantly warm, but the potential for peak temperatures soaring up to a scorching 40°C (103°F) adds an exciting edge to outdoor adventures. While the humidity level remains comfortable at 55%, the month does see increased rainfall, with about 171 mm (6.7 in) spread over approximately 12 days, hinting at the lush landscapes that this region is renowned for. This balance of heat and moisture makes October a unique transitional month that sets the stage for the lush beauty of Iguazu Falls, inviting visitors to explore the breathtaking natural wonders. For more detailed insights, check out Puerto Iguazu Climate.