January Weather in Peru, United States

Last updated: June 24, 2025

In January, the average temperature in Peru, United States hovers around -3°C (27°F). Expect a chilly range with minimums plunging to -30°C (-22°F) and maximums reaching up to 17°C (62°F). During the month, 35 mm (1.4 in) of precipitation typically falls over about 5 days, contributing to an average humidity level of 76%.

January Temperature in Peru

In January in Peru, the average temperature is -3°C (27°F), with a maximum reaching 17°C (62°F) and a minimum plummeting as low as -30°C (-22°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack accordingly for both mild and extremely cold conditions.

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 -3°C (27°F), with highs reaching up to 17°C (62°F) and lows dropping to around -30°C (-22°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 35 mm (1.4 in) over a span of 5 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 35 mm (1.4 inches) of precipitation spread over approximately 5 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 76%. With an average temperature of -3°C (27°F), this humidity feels like a chilly dampness that seeps into your bones, making it essential to bundle up when traveling outdoors.

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 76%, 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 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Peru, you can check the information here.

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 3, which falls under the moderate 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	-3°C (27°F)	35 mm (1.4 inches)	76%	moderate
February Weather	-2°C (28°F)	32 mm (1.3 inches)	80%	moderate
March Weather	6°C (44°F)	93 mm (3.7 inches)	73%	high
April Weather	11°C (52°F)	71 mm (2.8 inches)	74%	very high
May Weather	18°C (65°F)	155 mm (6.1 inches)	78%	very high
June Weather	25°C (77°F)	106 mm (4.2 inches)	82%	extreme
July Weather	26°C (80°F)	102 mm (4.0 inches)	83%	very high
August Weather	24°C (76°F)	111 mm (4.4 inches)	80%	very high
September Weather	22°C (71°F)	94 mm (3.7 inches)	75%	very high
October Weather	12°C (55°F)	143 mm (5.6 inches)	75%	high
November Weather	5°C (42°F)	32 mm (1.3 inches)	82%	moderate
December Weather	1°C (34°F)	33 mm (1.3 inches)	83%	moderate