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May Weather in Hayden, United States

Last updated: June 24, 2025

In May, the average temperature in Hayden, United States hovers around 13°C (56°F), with a minimum that can plunge to -1°C (31°F) and a maximum soaring to 31°C (88°F). Expect around 63 mm (2.5 in) of precipitation spread over 10 days, resulting in an average humidity level of 77%. Whether you're packing for sunny days or drizzly afternoons, being prepared for a range of conditions is essential!

May Temperature in Hayden

In May in Hayden, the average temperature is 13°C (56°F). Maximums can reach 31°C (88°F) and minimums can drop as low as -1°C (31°F). This makes Hayden a great destination for travelers looking for a diverse climate and the opportunity to experience both warm days and cool 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 13°C (56°F), with highs reaching up to 31°C (88°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec302837455563727160463732
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 63 mm (2.5 in) over a span of 10 days.

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 63 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec101103828063346144485115110
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 77%. With average temperature 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities sweaty and uncomfortable.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2456891097532
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 Weather-1°C (30°F)100 mm (4.0 inches)89%low
February Weather-2°C (29°F)103 mm (4.1 inches)89%moderate
March Weather3°C (38°F)82 mm (3.2 inches)87%moderate
April Weather7°C (45°F)80 mm (3.2 inches)84%high
May Weather13°C (56°F)63 mm (2.5 inches)77%very high
June Weather17°C (63°F)34 mm (1.3 inches)78%very high
July Weather22°C (72°F)6 mm (0.3 inches)77%very high
August Weather22°C (71°F)14 mm (0.6 inches)64%very high
September Weather16°C (61°F)44 mm (1.7 inches)62%high
October Weather8°C (47°F)85 mm (3.3 inches)79%moderate
November Weather3°C (38°F)115 mm (4.5 inches)87%moderate
December Weather0°C (32°F)110 mm (4.3 inches)90%low

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