May Weather in Calca, Peru

Last updated: August 27, 2025

In May, the average temperature in Calca, Peru hovers around 7°C (45°F). Expect chilly days as temperatures can dip to a brisk -2°C (28°F) and occasionally reach a comfortable 15°C (60°F). With an average precipitation of 56 mm (2.2 in) spread over 16 days, be prepared for some wet weather. The air is quite humid too, with an average humidity level of 88%, making for a cozy yet damp atmosphere.

May Temperature in Calca

In May in Calca, the average temperature is 7°C (45°F). Maximum temperatures can reach up to 15°C (60°F), while minimums can dip as low as -2°C (28°F). It's a great time to pack layers and enjoy the crisp air while exploring the area's attractions.

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

The chart illustrates May temperature patterns in Calca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calca, May typically has an average temperature of 7°C (45°F), with highs reaching up to 15°C (60°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Calca

In Calca in May, the total precipitation amount is 56 mm (2.2 in) spread over 16 days.

May Precipitation Trends in Calca

The chart displays monthly precipitation patterns in Calca, 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 Calca, May typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 16 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 Calca

In Calca in May humidity is 88%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through a heavy, thick atmosphere that clings to your skin.

May Average Humidity in Calca

This chart illustrates the average monthly humidity levels in Calca, 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 Calca is approximately 88%, 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 Calca

In Calca in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Calca, you can check here.

Maximum UV Index Levels in Calca for May

The chart shows the monthly maximum UV Index (UVI) for Calca 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 Calca typically reaches 14, which falls under the extreme exposure category.

Data source: Calca 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 Calca Compares to Other Months

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

This table compares monthly weather conditions in Calca, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	206 mm (8.1 inches)	94%	extreme
February Weather	8°C (46°F)	265 mm (10.5 inches)	92%	extreme
March Weather	8°C (46°F)	218 mm (8.6 inches)	92%	extreme
April Weather	8°C (46°F)	128 mm (5.0 inches)	90%	extreme
May Weather	7°C (45°F)	56 mm (2.2 inches)	88%	extreme
June Weather	7°C (44°F)	31 mm (1.2 inches)	77%	extreme
July Weather	6°C (44°F)	30 mm (1.2 inches)	55%	extreme
August Weather	7°C (44°F)	46 mm (1.8 inches)	44%	extreme
September Weather	7°C (45°F)	74 mm (2.9 inches)	51%	extreme
October Weather	8°C (46°F)	147 mm (5.8 inches)	64%	extreme
November Weather	9°C (48°F)	181 mm (7.1 inches)	84%	extreme
December Weather	8°C (47°F)	256 mm (10.1 inches)	93%	extreme