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April Weather in Ellensburg, United States

Last updated: June 24, 2025

In April, the average temperature in Ellensburg, United States is a brisk 8°C (46°F), with values ranging from a chilly -10°C (14°F) to a warm 26°C (79°F). Expect 38 mm (1.5 in) of precipitation spread over 9 days, contributing to a rather high average humidity of 84%. Prepare accordingly for a blend of cool air and occasional showers!

April Temperature in Ellensburg

In April in Ellensburg, the average temperature is 8°C (46°F). The maximum can reach 26°C (79°F) while the minimum can drop to as low as -10°C (14°F). Be prepared for a wide range of temperatures when planning your travels.

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

The chart illustrates April temperature patterns in Ellensburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ellensburg, April typically has an average temperature of 8°C (46°F), with highs reaching up to 26°C (79°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec293138465662696960463631
Data source: Temperature data for Ellensburg 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 Ellensburg

In Ellensburg in April, the total precipitation amount is 38 mm (1.5 in) spread over a duration of 9 days.

April Precipitation Trends in Ellensburg

The chart displays monthly precipitation patterns in Ellensburg, 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 Ellensburg, April typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7575443823132524535872
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Ellensburg

In Ellensburg in April humidity is 84%. With an average temperature of 8°C (46°F), this humidity feels like a chilly mist wrapping around you, making outdoor exploration cumbersome and layering your clothing a necessity for comfort.

April Average Humidity in Ellensburg

This chart illustrates the average monthly humidity levels in Ellensburg, 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 Ellensburg is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%87%84%81%82%79%63%62%83%89%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Ellensburg

In Ellensburg in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Ellensburg.

Maximum UV Index Levels in Ellensburg for April

The chart shows the monthly maximum UV Index (UVI) for Ellensburg 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 Ellensburg typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101098532
Data source: Ellensburg 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 Ellensburg Compares to Other Months

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

This table compares monthly weather conditions in Ellensburg, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)75 mm (2.9 inches)86%low
February Weather-1°C (31°F)75 mm (3.0 inches)86%moderate
March Weather3°C (38°F)44 mm (1.7 inches)87%high
April Weather8°C (46°F)38 mm (1.5 inches)84%high
May Weather13°C (56°F)23 mm (0.9 inches)81%very high
June Weather17°C (63°F)13 mm (0.5 inches)82%very high
July Weather21°C (70°F)1 mm (0.1 inches)79%very high
August Weather21°C (69°F)5 mm (0.2 inches)63%very high
September Weather15°C (60°F)24 mm (1.0 inches)62%very high
October Weather8°C (46°F)53 mm (2.1 inches)83%moderate
November Weather2°C (37°F)58 mm (2.3 inches)89%moderate
December Weather-1°C (31°F)72 mm (2.8 inches)88%low

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