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May Weather in Hayden, United States

Last updated: June 24, 2025

In Hayden, United States, the average temperature in May hovers around a pleasant 25°C (76°F). However, temperatures can vary significantly, dipping to a minimum of 9°C (48°F) and soaring to a maximum of 39°C (103°F). Expect minimal precipitation of about 6 mm (0.2 in) over just 1 day, with an average humidity level of 40%. 🌞💧

May Temperature in Hayden

In May in Hayden, the average temperature is 25°C (76°F), with maximums reaching up to 39°C (103°F) and minimums dropping as low as 9°C (48°F). It's an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for both hot days and cooler nights.

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

The chart illustrates May temperature patterns in Hayden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hayden, May typically has an average temperature of 25°C (76°F), with highs reaching up to 39°C (103°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec495259697687888782716151
Data source: Temperature data for Hayden 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 Hayden

In Hayden in May, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

May Precipitation Trends in Hayden

The chart displays monthly precipitation patterns in Hayden, 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 Hayden, May typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec414625363562922132032
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hayden

In Hayden in May, humidity is 40%. With an average temperature of 25°C (76°F), this humidity feels like a pleasant, mild environment for traveling, allowing for comfortable outdoor exploration without the heaviness often associated with higher humidity levels.

May Average Humidity in Hayden

This chart illustrates the average monthly humidity levels in Hayden, 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 Hayden is approximately 40%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hayden

In Hayden 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 Hayden.

Maximum UV Index Levels in Hayden for May

The chart shows the monthly maximum UV Index (UVI) for Hayden 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 Hayden typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111212121110864
Data source: Hayden 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 Hayden Compares to Other Months

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

This table compares monthly weather conditions in Hayden, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)41 mm (1.6 inches)76%moderate
February Weather11°C (52°F)46 mm (1.8 inches)79%high
March Weather15°C (60°F)25 mm (1.0 inches)67%very high
April Weather21°C (69°F)3 mm (0.1 inches)55%extreme
May Weather25°C (76°F)6 mm (0.2 inches)40%extreme
June Weather30°C (87°F)3 mm (0.1 inches)33%extreme
July Weather31°C (88°F)56 mm (2.2 inches)34%extreme
August Weather30°C (87°F)29 mm (1.1 inches)48%extreme
September Weather28°C (82°F)22 mm (0.9 inches)64%very high
October Weather21°C (71°F)13 mm (0.5 inches)67%very high
November Weather16°C (61°F)20 mm (0.8 inches)77%high
December Weather10°C (51°F)32 mm (1.2 inches)82%moderate

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