January Weather in Peru, United States

Last updated: June 24, 2025

In January, the average temperature in Peru, United States hovers around -6°C (22°F). Expect crisp conditions with a minimum plunge to -27°C (-17°F) and a maximum of 12°C (53°F). During this time, precipitation averages about 72 mm (2.8 in) spread over 11 days, contributing to an average humidity level of 93%. Be prepared for chilly, damp weather!

January Temperature in Peru

In January in Peru, the average temperature is -6°C (22°F). Maximums can reach 12°C (53°F) and minimums can drop as low as -27°C (-17°F). Be prepared for a wide range of temperatures if you're planning to visit during this time.

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

The chart illustrates January 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, January typically has an average temperature of -6°C (22°F), with highs reaching up to 12°C (53°F) and lows dropping to around -27°C (-17°F).

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

January Precipitation in Peru

In Peru in January, the precipitation amount is 72 mm (2.8 in) over the course of 11 days.

January Precipitation Trends in Peru

The chart displays monthly precipitation patterns in Peru, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Peru, January typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Peru

In Peru in January humidity is 93%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable as the damp air clings to your clothing and slows your movements.

January Average Humidity in Peru

This chart illustrates the average monthly humidity levels in Peru, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Peru is approximately 93%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Peru

In Peru in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Peru, you can visit Hourly UV Index in Peru.

Maximum UV Index Levels in Peru for January

The chart shows the monthly maximum UV Index (UVI) for Peru in January, 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 January, the maximum UV index in Peru typically reaches 2, which falls under the low exposure category.

Data source: Peru January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	72 mm (2.8 inches)	93%	low
February Weather	-5°C (24°F)	73 mm (2.9 inches)	92%	moderate
March Weather	-1°C (31°F)	67 mm (2.6 inches)	86%	moderate
April Weather	6°C (44°F)	102 mm (4.0 inches)	85%	very high
May Weather	14°C (57°F)	80 mm (3.2 inches)	80%	very high
June Weather	19°C (66°F)	97 mm (3.8 inches)	74%	very high
July Weather	22°C (72°F)	101 mm (4.0 inches)	76%	very high
August Weather	21°C (70°F)	94 mm (3.7 inches)	75%	very high
September Weather	17°C (63°F)	66 mm (2.6 inches)	78%	high
October Weather	11°C (51°F)	139 mm (5.5 inches)	86%	moderate
November Weather	3°C (37°F)	99 mm (3.9 inches)	88%	moderate
December Weather	-2°C (29°F)	72 mm (2.8 inches)	89%	low