May Weather in Maricopa, United States

Last updated: June 24, 2025

In Maricopa, United States, the average temperature in May hovers around 19°C (66°F). Temperatures can vary widely, dipping to a chilly 4°C (40°F) and soaring up to a balmy 34°C (94°F). During this time, you can expect about 12 mm (0.5 in) of precipitation spread over roughly 2 days, with an average humidity of 57%.

May Temperature in Maricopa

In May in Maricopa, the average temperature is 19°C (66°F). Maximums can reach 34°C (94°F) and minimums can be as low as 4°C (40°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Maricopa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Maricopa, May typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (40°F).

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

May Precipitation in Maricopa

In Maricopa in May, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

May Precipitation Trends in Maricopa

The chart displays monthly precipitation patterns in Maricopa, 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 Maricopa, May typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 2 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 Maricopa

In Maricopa in May, humidity is 57%. With an average temperature of 19°C (66°F), this humidity feels like a refreshing embrace, making it ideal for leisurely sightseeing and outdoor adventures while keeping you comfortably aware of the warm climate.

May Average Humidity in Maricopa

This chart illustrates the average monthly humidity levels in Maricopa, 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 Maricopa is approximately 57%, 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 Maricopa

In Maricopa in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Maricopa.

Maximum UV Index Levels in Maricopa for May

The chart shows the monthly maximum UV Index (UVI) for Maricopa 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 Maricopa typically reaches 11, which falls under the extreme exposure category.

Data source: Maricopa 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 Maricopa Compares to Other Months

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

This table compares monthly weather conditions in Maricopa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (49°F)	53 mm (2.1 inches)	78%	moderate
February Weather	10°C (51°F)	58 mm (2.3 inches)	82%	high
March Weather	11°C (53°F)	68 mm (2.7 inches)	75%	very high
April Weather	15°C (60°F)	29 mm (1.1 inches)	68%	very high
May Weather	19°C (66°F)	12 mm (0.5 inches)	57%	extreme
June Weather	24°C (76°F)	1 mm (0.1 inches)	52%	extreme
July Weather	28°C (82°F)	2 mm (0.1 inches)	46%	extreme
August Weather	27°C (81°F)	1 mm (0.0 inches)	39%	extreme
September Weather	24°C (75°F)	2 mm (0.1 inches)	48%	very high
October Weather	18°C (65°F)	8 mm (0.3 inches)	59%	high
November Weather	14°C (57°F)	15 mm (0.6 inches)	72%	moderate
December Weather	10°C (50°F)	44 mm (1.7 inches)	76%	moderate