Best year time to visit Kennewick

General weather information about Kennewick

Average annual temperature is 14.0 °C

Absolute maximum temperature: 43.6 °C

Absolute minimum temperature: -9.0 °C

Number of sunny days: 237 days

Number of rainy days: 125 days

Number of snow days: 3 days

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* Weather data for Kennewick United States is based on climate observations for 2026 year

Kennewick air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.912.817.132.037.738.140.743.633.627.616.914.2
Average daytime temperature (°C)6.58.612.618.229.331.736.634.927.219.39.46.8
Average temperature (°C)2.03.36.411.921.724.328.827.120.013.15.33.7
Average night temperature (°C)-0.8-0.31.96.614.617.020.319.313.97.92.21.4
Absolute minimum temperature (°C)-9.0-8.1-1.81.99.19.915.914.78.7-3.1-3.5-2.6

Kennewick monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.110.311.913.615.015.715.414.112.610.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)4.86.98.19.312.913.114.011.29.38.35.12.8
Precipitation (mm)221330434401215193267
Sunny days171514132426292520231813
Rainy days1212171774261081218
Snow days210000000000

Kennewick - weather forecast by months

Kennewick weather in januaryKennewick weather in februaryKennewick weather in marchKennewick weather in aprilKennewick weather in mayKennewick weather in juneKennewick weather in julyKennewick weather in augustKennewick weather in septemberKennewick weather in octoberKennewick weather in novemberKennewick weather in december

Best time to visit Kennewick:

The best time to visit Kennewick during the most sunny months:

  • May — 12.9(h)
  • June — 13.1(h)
  • July — 14.0(h)
  • August — 11.2(h)

Months with the longest average daylight duration in Kennewick:

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in Kennewick is at

  • March — 30(mm)
  • April — 43(mm)
  • November — 32(mm)
  • December — 67(mm)

    • Weather forecast in the closest to Kennewick admin centers

    Weather forecast in the closest towns to Kennewick

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    Frequently asked questions

    When is the best time to visit Kennewick?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Kennewick.
    What is the weather like in Kennewick?
    See average temperature, rainfall and daylight hours for Kennewick by month in the table above.
    How many sunny days does Kennewick have?
    The monthly weather statistics above show sunshine and rainfall patterns for Kennewick throughout the year.