May Weather in Cottonwood, United States

Last updated: June 24, 2025

In Cottonwood, United States, the average temperature in May hovers around 21°C (71°F), with fluctuations ranging from a cool 5°C (41°F) to a scorching 40°C (105°F). Rainfall during this period is relatively modest, with an average precipitation amount of 19 mm (0.8 in) spread over just 2 days. Expect the atmosphere to feel quite humid, as the average humidity levels hit around 74%.

May Temperature in Cottonwood

In May in Cottonwood, the average temperature is 21°C (71°F), with maximums reaching 40°C (105°F) and minimums dropping as low as 5°C (41°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack accordingly for both warm and cooler days.

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

The chart illustrates May temperature patterns in Cottonwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cottonwood, May typically has an average temperature of 21°C (71°F), with highs reaching up to 40°C (105°F) and lows dropping to around 5°C (41°F).

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

May Precipitation in Cottonwood

In Cottonwood in May, the precipitation amount is 19 mm (0.8 in) over a span of 2 days.

May Precipitation Trends in Cottonwood

The chart displays monthly precipitation patterns in Cottonwood, 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 Cottonwood, May typically receives around 19 mm (0.8 inches) of precipitation spread over approximately 2 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Cottonwood

In Cottonwood in May, humidity is 74%. With an average temperature of 21°C (71°F), this humidity feels like traveling through a warm, damp blanket, making outdoor excursions feel sticky and a bit stifling, often prompting the need for frequent breaks to stay refreshed.

May Average Humidity in Cottonwood

This chart illustrates the average monthly humidity levels in Cottonwood, 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 Cottonwood is approximately 74%, 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 Cottonwood

In Cottonwood 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 Cottonwood.

Maximum UV Index Levels in Cottonwood for May

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

Data source: Cottonwood 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 Cottonwood Compares to Other Months

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

This table compares monthly weather conditions in Cottonwood, 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 (51°F)	111 mm (4.4 inches)	84%	moderate
February Weather	12°C (54°F)	98 mm (3.9 inches)	84%	moderate
March Weather	13°C (56°F)	73 mm (2.9 inches)	83%	high
April Weather	17°C (64°F)	27 mm (1.1 inches)	81%	very high
May Weather	21°C (71°F)	19 mm (0.8 inches)	74%	extreme
June Weather	26°C (79°F)	3 mm (0.1 inches)	64%	extreme
July Weather	28°C (82°F)	1 mm (0.0 inches)	44%	extreme
August Weather	27°C (81°F)	0 mm (0.0 inches)	36%	very high
September Weather	25°C (76°F)	1 mm (0.0 inches)	44%	very high
October Weather	20°C (67°F)	26 mm (1.0 inches)	65%	high
November Weather	14°C (57°F)	35 mm (1.4 inches)	84%	moderate
December Weather	10°C (50°F)	74 mm (2.9 inches)	83%	moderate