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April Weather in Kennewick, United States

Last updated: June 24, 2025

In Kennewick, United States, the average temperature in April hovers around 13°C (56°F). However, be prepared for a range of conditions, with temperatures dipping as low as -1°C (30°F) and soaring up to 33°C (91°F). Expect 22 mm (0.9 in) of precipitation spread over 5 days, contributing to an average humidity of 82%. Stay comfortable and enjoy the climate!

April Temperature in Kennewick

In April in Kennewick, the average temperature is 13°C (56°F), with maximums reaching 33°C (91°F) and minimums dropping as low as -1°C (30°F). Be prepared for a wide range of temperatures and pack accordingly for your journey!

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

The chart illustrates April temperature patterns in Kennewick, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kennewick, April typically has an average temperature of 13°C (56°F), with highs reaching up to 33°C (91°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec353646566674828069544236
Data source: Temperature data for Kennewick 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 Kennewick

In Kennewick in April, the total precipitation amount is 22 mm (0.9 in) spread over a period of 5 days.

April Precipitation Trends in Kennewick

The chart displays monthly precipitation patterns in Kennewick, 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 Kennewick, April typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec36392622137038233030
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kennewick

In Kennewick in April, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

April Average Humidity in Kennewick

This chart illustrates the average monthly humidity levels in Kennewick, 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 Kennewick is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%82%77%79%77%62%60%80%87%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kennewick

In Kennewick in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Kennewick, you can refer to this Hourly UV Index in Kennewick.

Maximum UV Index Levels in Kennewick for April

The chart shows the monthly maximum UV Index (UVI) for Kennewick 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 Kennewick typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2356991097532
Data source: Kennewick 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 Kennewick Compares to Other Months

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

This table compares monthly weather conditions in Kennewick, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)36 mm (1.4 inches)85%low
February Weather2°C (37°F)39 mm (1.5 inches)86%moderate
March Weather8°C (47°F)26 mm (1.0 inches)86%moderate
April Weather13°C (56°F)22 mm (0.9 inches)82%high
May Weather19°C (67°F)13 mm (0.5 inches)77%very high
June Weather24°C (75°F)7 mm (0.3 inches)79%very high
July Weather28°C (82°F)0 mm (0.0 inches)77%very high
August Weather27°C (80°F)3 mm (0.1 inches)62%very high
September Weather20°C (69°F)8 mm (0.3 inches)60%high
October Weather12°C (54°F)23 mm (0.9 inches)80%moderate
November Weather6°C (42°F)30 mm (1.2 inches)87%moderate
December Weather2°C (36°F)30 mm (1.2 inches)86%low

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