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April Weather in Hailey, United States

Last updated: June 24, 2025

In April, the average temperature in Hailey, United States hovers around 3°C (38°F). Expect a wide temperature range, with minimums dipping to -14°C (7°F) and maximums rising to 21°C (70°F). During this month, anticipate 43 mm (1.7 in) of precipitation spread over 10 days. The average humidity is 76%, adding to the chill in the air. Stay prepared for a mix of brisk days and occasional rain!

April Temperature in Hailey

In April in Hailey, the average temperature is 3°C (38°F). The maximum can reach 21°C (70°F), and the minimum can be as low as -14°C (7°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates April temperature patterns in Hailey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hailey, April typically has an average temperature of 3°C (38°F), with highs reaching up to 21°C (70°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec192130374758686556413019
Data source: Temperature data for Hailey 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 Hailey

In Hailey in April, the precipitation amount is 43 mm (1.7 in) over a span of 10 days.

April Precipitation Trends in Hailey

The chart displays monthly precipitation patterns in Hailey, 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 Hailey, April typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec58804943522551721344345
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hailey

In Hailey in April, humidity is 76%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and demanding thicker layers for warmth.

April Average Humidity in Hailey

This chart illustrates the average monthly humidity levels in Hailey, 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 Hailey is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%85%76%66%62%53%42%46%64%83%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hailey

In Hailey in April, 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 Hailey.

Maximum UV Index Levels in Hailey for April

The chart shows the monthly maximum UV Index (UVI) for Hailey 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 Hailey typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589111211109643
Data source: Hailey 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 Hailey Compares to Other Months

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

This table compares monthly weather conditions in Hailey, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)58 mm (2.3 inches)91%moderate
February Weather-6°C (22°F)80 mm (3.1 inches)92%moderate
March Weather-1°C (30°F)49 mm (1.9 inches)85%very high
April Weather3°C (38°F)43 mm (1.7 inches)76%very high
May Weather8°C (47°F)52 mm (2.0 inches)66%extreme
June Weather15°C (58°F)25 mm (1.0 inches)62%extreme
July Weather20°C (68°F)5 mm (0.2 inches)53%extreme
August Weather19°C (66°F)17 mm (0.7 inches)42%very high
September Weather13°C (56°F)21 mm (0.8 inches)46%very high
October Weather5°C (41°F)34 mm (1.3 inches)64%high
November Weather-1°C (30°F)43 mm (1.7 inches)83%moderate
December Weather-7°C (20°F)45 mm (1.8 inches)87%moderate

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