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May Weather in Cottonwood, United States

Last updated: June 24, 2025

In Cottonwood, United States, the average temperature in May hovers around 12°C (55°F). Be prepared for a temperature range that can dip as low as -2°C (28°F) and soar to a balmy 30°C (86°F). Expect about 71 mm (2.8 in) of precipitation spread over 11 days, with an average humidity of 77%. Stay comfortable and plan accordingly!

May Temperature in Cottonwood

In May in Cottonwood, the average temperature is 12°C (55°F), with maximums reaching up to 30°C (86°F) and minimums dipping as low as -2°C (28°F). This variability in temperatures makes it essential for travelers to pack layers for comfort during their visit.

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 12°C (55°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec303138465462737261473732
Data source: Temperature data for Cottonwood generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Cottonwood

In Cottonwood in May, the precipitation amount is 71 mm (2.8 in) distributed over 11 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 71 mm (2.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec551197792716342135677677
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cottonwood

In Cottonwood in May humidity is 77%. With an average temperature of 12°C (55°F), this humidity feels like an enveloping dampness that can make outdoor activities a bit uncomfortable, causing travelers to feel slightly sticky and less energized.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%91%88%84%77%78%78%63%60%77%86%90%
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 is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098542
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)55 mm (2.2 inches)90%moderate
February Weather-1°C (31°F)119 mm (4.7 inches)91%moderate
March Weather4°C (39°F)77 mm (3.0 inches)88%high
April Weather8°C (46°F)92 mm (3.6 inches)84%very high
May Weather12°C (55°F)71 mm (2.8 inches)77%very high
June Weather17°C (63°F)63 mm (2.5 inches)78%very high
July Weather23°C (73°F)4 mm (0.2 inches)77%very high
August Weather22°C (72°F)21 mm (0.8 inches)63%very high
September Weather16°C (62°F)35 mm (1.4 inches)60%very high
October Weather8°C (47°F)67 mm (2.6 inches)77%moderate
November Weather3°C (38°F)76 mm (3.0 inches)86%moderate
December Weather0°C (32°F)77 mm (3.0 inches)89%low

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