May Weather in Puerto Casma, Peru

Last updated: August 27, 2025

In May, the average temperature in Puerto Casma, Peru is a pleasant 18°C (65°F), with a minimum of 14°C (58°F) and a maximum of 22°C (71°F). Expect minimal rain, with just 3 mm (0.1 in) of precipitation over 0 days. The air tends to be humid, averaging around 84%, creating a comfortable atmosphere for exploring!

May Temperature in Puerto Casma

In May in Puerto Casma, the average temperature is 18°C (65°F). The maximum can reach 22°C (71°F), and the minimum can be as low as 14°C (58°F). This mild climate makes it an ideal time for travelers to explore the beauty of Puerto Casma.

May Weather in Puerto Casma: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Puerto Casma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Casma, May typically has an average temperature of 18°C (65°F), with highs reaching up to 22°C (71°F) and lows dropping to around 14°C (58°F).

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

May Precipitation in Puerto Casma

In Puerto Casma in May, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

May Precipitation Trends in Puerto Casma

The chart displays monthly precipitation patterns in Puerto Casma, 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 Puerto Casma, May typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 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 Puerto Casma

In Puerto Casma in May, humidity is 84%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and slightly uncomfortable as the air clings to your skin and limits your breath.

May Average Humidity in Puerto Casma

This chart illustrates the average monthly humidity levels in Puerto Casma, 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 Puerto Casma is approximately 84%, 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 Puerto Casma

In Puerto Casma in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Puerto Casma.

Maximum UV Index Levels in Puerto Casma for May

The chart shows the monthly maximum UV Index (UVI) for Puerto Casma 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 Puerto Casma typically reaches 12, which falls under the extreme exposure category.

Data source: Puerto Casma 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 Puerto Casma Compares to Other Months

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

This table compares monthly weather conditions in Puerto Casma, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (69°F)	3 mm (0.1 inches)	91%	extreme
February Weather	22°C (72°F)	6 mm (0.2 inches)	89%	extreme
March Weather	22°C (72°F)	6 mm (0.2 inches)	89%	extreme
April Weather	20°C (68°F)	2 mm (0.1 inches)	88%	extreme
May Weather	18°C (65°F)	3 mm (0.1 inches)	84%	extreme
June Weather	18°C (64°F)	4 mm (0.2 inches)	73%	very high
July Weather	17°C (63°F)	6 mm (0.2 inches)	55%	very high
August Weather	16°C (61°F)	6 mm (0.2 inches)	53%	extreme
September Weather	16°C (60°F)	7 mm (0.3 inches)	62%	extreme
October Weather	16°C (61°F)	4 mm (0.2 inches)	82%	extreme
November Weather	17°C (62°F)	2 mm (0.1 inches)	89%	extreme
December Weather	19°C (66°F)	9 mm (0.4 inches)	91%	extreme