October Weather in Peru, United States

Last updated: June 24, 2025

In October, the average temperature in Peru, United States hovers around 11°C (51°F). During this time, temperatures can range from a chilly -7°C (20°F) to a warm 26°C (79°F). Expect about 179 mm (7.0 in) of precipitation spread across 12 days, with an average humidity level of 81%—perfect for those who enjoy a cozy, damp climate!

October Temperature in Peru

In October in Peru, the average temperature is 11°C (51°F). Maximums can reach 26°C (79°F) and minimums can be as low as -7°C (20°F). This variation in temperature makes Peru a destination where travelers should pack for both warm and cold weather.

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

The chart illustrates October temperature patterns in Peru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Peru, October typically has an average temperature of 11°C (51°F), with highs reaching up to 26°C (79°F) and lows dropping to around -7°C (20°F).

Data source: Temperature data for Peru generated using information from the Copernicus Climate Change Service.

October Precipitation in Peru

In Peru in October, the precipitation amount is 179 mm (7.0 in) over the course of 12 days.

October Precipitation Trends in Peru

The chart displays monthly precipitation patterns in Peru, 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 Peru, October typically receives around 179 mm (7.0 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Peru

In Peru in October, humidity is 81%. With an average temperature of 11°C (51°F), this humidity feels like walking through a thick blanket of moisture, making travel uncomfortable and causing clothes to cling to the skin, while the crisp air adds a chill that contrasts sharply with the heavy, humid atmosphere.

October Average Humidity in Peru

This chart illustrates the average monthly humidity levels in Peru, 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 Peru is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Peru

In Peru in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Peru, you can refer to this Hourly UV Index in Peru.

Maximum UV Index Levels in Peru for October

The chart shows the monthly maximum UV Index (UVI) for Peru 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 Peru typically reaches 6, which falls under the high exposure category.

Data source: Peru 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.

How October Weather in Peru Compares to Other Months

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

This table compares monthly weather conditions in Peru, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	89 mm (3.5 inches)	89%	moderate
February Weather	-3°C (27°F)	111 mm (4.4 inches)	88%	moderate
March Weather	0°C (33°F)	93 mm (3.7 inches)	86%	high
April Weather	7°C (44°F)	158 mm (6.2 inches)	84%	very high
May Weather	13°C (56°F)	123 mm (4.8 inches)	76%	very high
June Weather	18°C (65°F)	108 mm (4.3 inches)	72%	very high
July Weather	21°C (71°F)	193 mm (7.6 inches)	66%	very high
August Weather	20°C (69°F)	144 mm (5.7 inches)	64%	very high
September Weather	16°C (62°F)	127 mm (5.0 inches)	72%	very high
October Weather	11°C (51°F)	179 mm (7.0 inches)	81%	high
November Weather	3°C (37°F)	113 mm (4.4 inches)	87%	moderate
December Weather	-2°C (28°F)	132 mm (5.2 inches)	84%	low