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April Weather in Hayden, United States

Last updated: June 24, 2025

In Hayden, United States, the average temperature in April hovers around 3°C (38°F). During this time, temperatures can dip as low as -16°C (4°F) or rise to a pleasant 20°C (69°F). Expect about 52 mm (2.0 in) of precipitation spread over 10 days, contributing to an average humidity of 67%. Stay prepared for a mix of chilly and mild weather!

April Temperature in Hayden

In April in Hayden, the average temperature is 3°C (38°F). Maximums can reach 20°C (69°F), while minimums can drop to as low as -16°C (4°F). Be prepared for a wide range of temperatures when planning your travels during this time.

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

The chart illustrates April 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, April typically has an average temperature of 3°C (38°F), with highs reaching up to 20°C (69°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec212432384962696759413222
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.

April Precipitation in Hayden

In Hayden in April, the precipitation amount is 52 mm (2.0 in) over the course of 10 days.

April Precipitation Trends in Hayden

The chart displays monthly precipitation patterns in Hayden, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Hayden, April typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec536957525920101423544459
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hayden

In Hayden in April, humidity is 67%. With an average temperature of 3°C (38°F), this humidity feels like an unexpected chill in the air, making it essential for travelers to dress in layers and be prepared for damp conditions that can intensify the cold.

April Average Humidity in Hayden

This chart illustrates the average monthly humidity levels in Hayden, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Hayden is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%86%75%67%67%68%62%63%63%72%80%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hayden

In Hayden in April, 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 Hayden.

Maximum UV Index Levels in Hayden for April

The chart shows the monthly maximum UV Index (UVI) for Hayden in April, 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 April, the maximum UV index in Hayden typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111213121110753
Data source: Hayden April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)53 mm (2.1 inches)84%moderate
February Weather-5°C (24°F)69 mm (2.7 inches)85%high
March Weather0°C (33°F)57 mm (2.2 inches)75%very high
April Weather3°C (38°F)52 mm (2.0 inches)67%extreme
May Weather9°C (49°F)59 mm (2.3 inches)67%extreme
June Weather17°C (62°F)20 mm (0.8 inches)68%extreme
July Weather21°C (70°F)10 mm (0.4 inches)62%extreme
August Weather20°C (68°F)14 mm (0.5 inches)63%extreme
September Weather15°C (60°F)23 mm (0.9 inches)63%very high
October Weather5°C (42°F)54 mm (2.1 inches)72%high
November Weather0°C (32°F)44 mm (1.7 inches)79%moderate
December Weather-6°C (22°F)59 mm (2.3 inches)85%moderate

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