May Weather in Sullana, Peru

Last updated: August 27, 2025

In Sullana, Peru, the average temperature in May hovers around 24°C (76°F), making it a pleasant time to visit. Temperature extremes can range from a comfortable 16°C (61°F) to a toasty 35°C (95°F). Visitors can expect a modest precipitation amount of approximately 10 mm (0.4 in) over about 3 days, accompanied by an average humidity of 89%—perfect for those who enjoy a tropical feel!

May Temperature in Sullana

In May in Sullana, the average temperature is 24°C (76°F). Maximums can reach 35°C (95°F), and minimums can be as low as 16°C (61°F). This makes Sullana an ideal destination for travelers seeking mild weather with warm days and cool evenings.

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

The chart illustrates May temperature patterns in Sullana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sullana, May typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 16°C (61°F).

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

May Precipitation in Sullana

In Sullana in May, the precipitation amount is 10 mm (0.4 in) over a period of 3 days.

May Precipitation Trends in Sullana

The chart displays monthly precipitation patterns in Sullana, 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 Sullana, May typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 3 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 Sullana

In Sullana in May, humidity is 89%. With an average temperature of 24°C (76°F), this humidity feels like a heavy, warm blanket wrapping around you, making outdoor activities challenging and requiring frequent hydration.

May Average Humidity in Sullana

This chart illustrates the average monthly humidity levels in Sullana, 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 Sullana is approximately 89%, 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 Sullana

In Sullana in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Sullana.

Maximum UV Index Levels in Sullana for May

The chart shows the monthly maximum UV Index (UVI) for Sullana 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 Sullana typically reaches 13, which falls under the extreme exposure category.

Data source: Sullana 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 Sullana Compares to Other Months

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

This table compares monthly weather conditions in Sullana, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	19 mm (0.7 inches)	89%	extreme
February Weather	27°C (81°F)	79 mm (3.1 inches)	87%	extreme
March Weather	27°C (81°F)	163 mm (6.4 inches)	87%	extreme
April Weather	26°C (79°F)	36 mm (1.4 inches)	86%	extreme
May Weather	24°C (76°F)	10 mm (0.4 inches)	89%	extreme
June Weather	23°C (73°F)	4 mm (0.2 inches)	84%	extreme
July Weather	21°C (70°F)	3 mm (0.1 inches)	71%	extreme
August Weather	21°C (70°F)	1 mm (0.0 inches)	71%	extreme
September Weather	21°C (70°F)	2 mm (0.1 inches)	75%	extreme
October Weather	22°C (71°F)	7 mm (0.3 inches)	77%	extreme
November Weather	22°C (72°F)	10 mm (0.4 inches)	79%	extreme
December Weather	24°C (76°F)	24 mm (0.9 inches)	86%	extreme