October Weather in Iquitos, Peru

Last updated: August 27, 2025

In October, Iquitos, Peru, experiences a tropical ambiance characterized by a maximum temperature soaring to 35°C (95°F) and an average of 26°C (80°F), making it a warm and inviting destination. Nighttime temperatures cool off to a comfortable minimum of 22°C (71°F). However, this month is also notable for its high precipitation, with 213 mm (8.4 in) spread across 24 rainy days, creating a lush and vibrant environment. Humidity levels sit at 62%, accentuating the region's enchanting rainforest atmosphere. Visitors can expect a blend of warmth and frequent showers, perfect for exploring the unique biodiversity of the Amazon.

October Temperature in Iquitos

In October, Iquitos, Peru, experiences warm temperatures that reflect the region's tropical climate. The month sees a minimum temperature of 22°C (71°F), gently rising to an average of 26°C (80°F), and peaking at a notable 35°C (95°F). This slight increase in maximum temperatures compared to September indicates a trend toward warmer weather as the year transitions. Throughout the months leading to October, temperatures have been consistently high, with only minimal fluctuations, suggesting a stable tropical warmth that characterizes Iquitos year-round. As October approaches, visitors can expect sunny days and balmy evenings, making it an inviting time to explore this vibrant Amazonian city.

October Weather in Iquitos: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Iquitos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iquitos, October typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979797878777980807979
Data source: Temperature data for Iquitos generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Iquitos

In October, Iquitos, Peru experiences a moderate precipitation level of 213 mm (8.4 in) over approximately 24 days of rain, marking a slight decrease from the heavier downpours seen in the preceding months of March and April. This seasonal transition indicates a shift from the peak rainy season, where rainfall averages soar above 300 mm, to a more manageable yet still significant amount. As October unfolds, the city begins to prepare for the upcoming months, which typically bring increased rainfall again, notably with November's total escalating to 244 mm (9.6 in). Thus, October serves as a pivotal month, balancing the remnants of intense rains with the anticipation of renewed precipitation, giving Iquitos a lush, vibrant atmosphere as it gears up for the tropical wet season ahead.

October Precipitation Trends in Iquitos

The chart displays monthly precipitation patterns in Iquitos, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Iquitos, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec255216335309230222155122176213244292
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Iquitos

October in Iquitos, Peru, marks a subtle transition in humidity levels as the rainy season approaches. With an average humidity of 62%, October reflects a gradual increase from the drier months of August and September, where humidity levels dip to their lowest at 68% and 60% respectively. This uptick hints at the impending rains, transitioning into the wetter months ahead. Interestingly, October's humidity remains lower than the mid-year peaks, such as May at 91%, suggesting a brief respite before the humidity swells once more. Overall, October represents a delicate balance, foreshadowing the return of the steamy atmosphere characteristic of Iquitos in late-year months.

October Average Humidity in Iquitos

This chart illustrates the average monthly humidity levels in Iquitos, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Iquitos is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%79%82%86%91%85%77%68%60%62%76%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Iquitos

In October, Iquitos experiences a UV Index of 14, maintaining its extreme exposure category and a swift burn time of 10 minutes. As the year progresses, the UV levels show a slight ebb, dipping from January's peak at 16 but still reflecting the region's consistently fierce sunlight. The trend of high UV indices from January through May indicates an unyielding intensity in the region, gradually softening to levels around 12 and 13 during the mid to later months of the year. This persistence of extreme UV exposure underscores the importance of sun protection, making it essential for residents and visitors to stay vigilant. For more information, check out the detailed Iquitos UV Index.

Maximum UV Index Levels in Iquitos for October

The chart shows the monthly maximum UV Index (UVI) for Iquitos in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Iquitos typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616161412111213141313
Data source: Iquitos October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Iquitos

As October rolls into Iquitos, Peru, the city basks in a generous 269 hours of sunshine, marking a continuation of the region's delightful daylight trend. Following the peak sunshine months of July and August, which boast impressive totals of 296 and 299 hours respectively, October still holds its own, delivering bright days that invite exploration and adventure. The gradual decline in sunlight from the summer months suggests a gentle transition into the rainy season, yet October remains robust with its sun-drenched skies, setting the stage for vibrant landscapes and the lush greenery of this Amazonian gem. Visitors and locals alike can revel in the lingering warmth of the sun before the daylight hours dip in the approaching months.

Monthly Sunshine Duration in Iquitos: October Highlighted

The October sunshine duration represents the total number of hours Iquitos experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec222h229h234h232h248h263h296h299h286h269h230h255h
Data source: Iquitos October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Iquitos During October

In Iquitos, Peru, October brings a moderate likelihood of sunny weather with about 21% chance of sunshine. As the year progresses, there’s a noticeable shift: from the rainy months of early in the year, where the chance of sun plummets to as low as 8% in February, we see a gradual increase during the mid-year, peaking in the more favorable months of July and August, which boast up to 38% sunshine. After a summer of brighter days, October’s sun chances dip slightly but still hold steady compared to the latter part of the year. This transitional moment hints at the end of the dry season, suggesting that while there are opportunities for sunny spells, visitors should remain prepared for potential rain in the lush Amazonian climate.

Percentage of Sunny Days in October in Iquitos

The chart illustrates the percentage of sunny days in Iquitos throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Iquitos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%8%9%13%21%21%36%38%34%21%14%10%
Data source: Iquitos October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Iquitos in October

Iquitos, Peru, enjoys a remarkable consistency in daylight duration throughout the year. With the sun rising early and setting later, January through April maintains a steady 12 hours of daylight, creating a vibrant atmosphere filled with energy. As the year progresses into May through August, daylight slightly decreases to 11 hours, hinting at a shift toward the cooler months. However, this decline is temporary; by September, daylight returns to 12 hours, and the trend continues into October and beyond, reinstating the familiar rhythm of the tropical sun. This pattern of steady daylight not only enhances the region's beauty but also supports its rich biodiversity and lively culture.

Average Daylight Hours in Iquitos for October

The chart illustrates the variation in daylight duration in Iquitos throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 18m12h 12m12h 6m12h11h 55m11h 53m11h 54m11h 58m12h 4m12h 10m12h 16m12h 19m
Data source: Iquitos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Iquitos

As October arrives in Iquitos, Peru, the gentle whispers of the wind continue to embrace the region, maintaining an average speed of 1.3 m/s (3 mph). This consistent breeze marks a subtle trend throughout the year: the wind in Iquitos remains relatively steady, fluctuating slightly between 1.2 m/s and 1.3 m/s. Notably, October shares its wind speed with other months like January, August, and November, creating a harmonious rhythm that invites residents and visitors alike to relish in the comfortable climate. The relentless embrace of this soft breeze not only enhances the tropical atmosphere but also serves as a reminder of nature's consistent cadence in this vibrant Amazonian city.

Average October Wind Speed in Iquitos

The chart displays monthly wind speed patterns in Iquitos, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.31.31.21.21.21.21.31.21.3 m/s1.31.3
Data source: Iquitos October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Iquitos Compares to Other Months

Weather in Iquitos varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Iquitos, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather patterns of October and January, both months exhibit warm temperatures, with January showing slightly cooler extremes, peaking at 34°C (94°F) compared to October’s maximum of 35°C (95°F). The average temperatures remain similar, around 26°C (79°F in January and 80°F in October). However, January tends to be wetter, with a total precipitation of 255 mm (10.0 in) over 23 days, surpassing October's 213 mm (8.4 in) across 24 days. Additionally, January's humidity is notably higher at 83%, compared to October's 62%, creating a more humid environment. For a more detailed insight into January's climate, you can check Iquitos weather in January.

In comparing the weather of October and February, both months share similar temperature ranges, with minimums around 22°C (72°F) and average temperatures maintaining at 26°C (80°F). However, October tends to be slightly hotter, with maximum temperatures reaching up to 35°C (95°F) compared to February's peak of 33°C (92°F). Precipitation levels are nearly identical, with October receiving 213 mm (8.4 in) and February slightly more at 216 mm (8.5 in), both over approximately 24 rainy days. Notably, February has higher humidity at 79%, compared to October's 62%, making it feel more humid. For more detailed information on February's climate in Iquitos, you can visit Iquitos weather in February.

In October, the weather in Iquitos features warm temperatures, with a minimum of 22°C (71°F) and an average of 26°C (80°F), peaking at 35°C (95°F). However, this month also sees significant rainfall, with 213 mm (8.4 in) spread across 24 days and a humidity level of 62%. In contrast, March exhibits similar temperatures but is characterized by increased precipitation and humidity; the minimum temperature remains at 22°C (73°F), while average temperatures hover around 26°C (79°F), and maximums can reach 35°C (96°F). Notably, March experiences more rain, totaling 335 mm (13.2 in) over 28 days, with humidity levels higher at 82%. For a more detailed look at March's weather in Iquitos, you can visit this link: Iquitos weather in March.

When comparing the weather in October and April, both months exhibit warm temperatures, with averages hovering around 26°C (79°F to 80°F). October reveals slightly higher maximum temperatures of up to 35°C (95°F), while April maintains a similar peak. However, April is marked by significantly greater precipitation, totaling 309 mm (12.2 in) over 26 days, compared to October's 213 mm (8.4 in) over 24 days. Additionally, April's humidity is notably higher at 86%, making it feel more tropical than October's 62%. For more detailed information on April conditions, you can check Iquitos weather in April.

In comparing October and May weather, both months exhibit similar average temperatures, with October ranging from a minimum of 22°C (71°F) to a maximum of 35°C (95°F), while May sees slightly cooler temperatures, with a minimum of 20°C (69°F) and a maximum of 33°C (92°F). October experiences lower humidity at 62%, compared to May's higher humidity level of 91%. Additionally, while both months have substantial rainfall, October records 213 mm (8.4 in) over 24 days, whereas May has slightly higher precipitation at 230 mm (9.0 in) over 25 days. For more detailed insights, you can check Iquitos weather in May.

October and June in Iquitos exhibit similar average temperatures, with October ranging from a minimum of 22°C (71°F) to a maximum of 35°C (95°F), while June has slightly lower extremes of 21°C (69°F) to 33°C (92°F). Both months also experience considerable rainfall, with October receiving 213 mm (8.4 in) and June slightly more at 222 mm (8.8 in), occurring on roughly the same number of days—24. However, June is notably more humid at 85%, compared to October’s 62%, making the atmosphere feel more oppressive during the earlier month. For a detailed look at June weather specifics, visit Iquitos weather in June.

October and July present distinct weather patterns in Iquitos. In October, temperatures range from a minimum of 22°C (71°F) to a maximum of 35°C (95°F), with an average of 26°C (80°F). This month also sees increased precipitation, with 213 mm (8.4 in) over 24 days, and humidity levels are at 62%. In contrast, July offers cooler temperatures, from a minimum of 17°C (64°F) to a maximum of 33°C (92°F), with an average of 25°C (78°F). The precipitation in July is lower at 155 mm (6.1 in) spread over 19 days, though humidity is higher at 76%. For a detailed overview of July weather, you can visit Iquitos weather in July.

In comparing the weather between October and August, we note that October tends to be slightly warmer, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 35°C (95°F), while August experiences a cooler minimum of 17°C (63°F) and a maximum of 34°C (94°F). Both months share an average temperature of 26°C (79°F), but October is notably wetter, receiving 213 mm (8.4 in) of precipitation over 24 days compared to August's 122 mm (4.8 in) across 17 days. Additionally, humidity levels are higher in August at 68%, compared to 62% in October, indicating a more humid feel during the earlier month. For more details on August weather, visit Iquitos weather in August.

In comparing the weather between September and October, October shows a slightly warmer trend, with minimum temperatures rising from 20°C (69°F) in September to 22°C (71°F). Average temperatures remain consistent at 26°C (80°F) for both months, while October peaks at a maximum of 35°C (95°F), just above September's 34°C (94°F). Additionally, October experiences more precipitation, measuring 213 mm (8.4 in) over 24 days, compared to September’s 176 mm (6.9 in) over 23 days. Humidity levels are also comparable, with a slight increase in October to 62%, up from 60% in September. For more details, you can check Iquitos weather in September.

In October, the weather remains warm with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 35°C (95°F) and an average of 26°C (80°F). While the month experiences a significant amount of rainfall, totaling 213 mm (8.4 in) over 24 days, the humidity sits at 62%.

In contrast, November continues the trend of warm temperatures but slightly cooler maximums, peaking at 34°C (93°F). The average temperature remains steady at 26°C (80°F), but precipitation increases to 244 mm (9.6 in) over 25 days, with humidity rising to 76%. For a detailed look at the specifics of November's weather, check out Iquitos weather in November.

In comparing the weather between October and December, both months maintain similar minimum and average temperatures, with October slightly warmer at a maximum of 35°C (95°F) compared to December's 34°C (93°F). However, December sees increased rainfall, with 292 mm (11.5 inches) over 27 days, compared to October's 213 mm (8.4 inches) across 24 days. Additionally, humidity levels rise significantly in December to 87%, compared to 62% in October, making December feel quite a bit more humid. For a detailed overview, you can check Iquitos weather in December.

Compare Iquitos's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Iquitos

In October, Iquitos experiences a unique shift in weather compared to other months, characterized by warm temperatures and significant rainfall. With hottest highs reaching 35°C (95°F) and a steamy average of 26°C (80°F), the region offers a tropical feel that is accentuated by high humidity levels of 62%. However, be prepared for frequent downpours, as this month sees about 24 days of precipitation, totaling approximately 213 mm (8.4 in). This combination of heat and moisture creates an atmosphere overflowing with life, making October a vibrant time to explore Iquitos. For more information on what to expect throughout the year, check out Iquitos Climate.