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May Weather in Hayden, United States

Last updated: June 24, 2025

In Hayden, United States, the average temperature in May is a pleasant 19°C (67°F). However, temperatures can vary significantly, with a minimum of -1°C (31°F) and a maximum reaching up to 33°C (92°F). Visitors should also be prepared for precipitation, averaging 128 mm (5.1 in) over 14 days of the month, and an average humidity of 79%.

May Temperature in Hayden

In May in Hayden, the average temperature is 19°C (67°F). The maximum can reach 33°C (92°F), and the minimum can be as low as -1°C (31°F). This diverse temperature range makes Hayden an exciting destination for travelers seeking both warm and cool experiences.

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 19°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec333746556674787571594439
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 128 mm (5.1 in) spread over 14 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 128 mm (5.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec811091351251281269691869497102
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 79%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit more challenging, as the air is thick and can leave you feeling sluggish during outdoor adventures.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
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 Weather1°C (34°F)81 mm (3.2 inches)87%moderate
February Weather3°C (37°F)109 mm (4.3 inches)85%moderate
March Weather8°C (46°F)135 mm (5.3 inches)86%high
April Weather13°C (55°F)125 mm (4.9 inches)84%very high
May Weather19°C (67°F)128 mm (5.1 inches)79%very high
June Weather24°C (75°F)125 mm (4.9 inches)82%extreme
July Weather25°C (78°F)95 mm (3.8 inches)79%very high
August Weather24°C (76°F)91 mm (3.6 inches)70%very high
September Weather22°C (71°F)86 mm (3.4 inches)69%very high
October Weather15°C (60°F)94 mm (3.7 inches)76%high
November Weather7°C (44°F)97 mm (3.8 inches)88%moderate
December Weather4°C (39°F)102 mm (4.0 inches)87%moderate

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