May Weather in Peru, United States

Last updated: June 24, 2025

The average temperature in Peru, United States during May is 14°C (57°F), with a range that can dip as low as 0°C (32°F) and rise to a maximum of 35°C (96°F). Expect 80 mm (3.2 in) of precipitation spread over 11 days, contributing to an average humidity of 80%. Whether you're exploring the sights or enjoying local cuisine, be prepared for a mix of weather!

May Temperature in Peru

In May in Peru, the average temperature is 14°C (57°F). Maximum temperatures can reach 35°C (96°F), while minimums can drop as low as 0°C (32°F). Travelers should be prepared for a wide range of temperatures during their visit.

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

The chart illustrates May 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, May typically has an average temperature of 14°C (57°F), with highs reaching up to 35°C (96°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Peru

In Peru in May, the precipitation amount is 80 mm (3.2 in) spread over 11 days.

May Precipitation Trends in Peru

The chart displays monthly precipitation patterns in Peru, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Peru, May typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Peru

In Peru in May, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.

May Average Humidity in Peru

This chart illustrates the average monthly humidity levels in Peru, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Peru is approximately 80%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Peru

In Peru in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Peru.

Maximum UV Index Levels in Peru for May

The chart shows the monthly maximum UV Index (UVI) for Peru in May, 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 May, the maximum UV index in Peru typically reaches 9, which falls under the very high exposure category.

Data source: Peru May 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 May 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 May’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 May’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