Best year time to visit City of Umatilla

General weather information about City of Umatilla

Average annual temperature is 13.8 °C

Absolute maximum temperature: 42.5 °C

Absolute minimum temperature: -8.5 °C

Number of sunny days: 237 days

Number of rainy days: 122 days

Number of snow days: 6 days

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* Weather data for City of Umatilla United States is based on climate observations for 2026 year

City of Umatilla air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.914.016.833.137.537.440.242.534.927.916.516.9
Average daytime temperature (°C)7.88.712.518.528.931.235.734.226.719.29.97.6
Average temperature (°C)3.33.26.411.420.923.527.726.419.413.15.64.1
Average night temperature (°C)0.1-0.81.85.413.616.219.619.313.78.02.41.8
Absolute minimum temperature (°C)-7.5-8.5-1.9-0.46.49.414.814.58.5-1.5-4.5-2.8

City of Umatilla 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)9.110.411.913.614.915.715.314.112.510.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)5.16.38.39.012.713.214.011.29.48.35.72.9
Precipitation (mm)15112534530922272955
Sunny days151510142526302720221716
Rainy days149211664141091315
Snow days240000000000

City of Umatilla - weather forecast by months

City of Umatilla weather in januaryCity of Umatilla weather in februaryCity of Umatilla weather in marchCity of Umatilla weather in aprilCity of Umatilla weather in mayCity of Umatilla weather in juneCity of Umatilla weather in julyCity of Umatilla weather in augustCity of Umatilla weather in septemberCity of Umatilla weather in octoberCity of Umatilla weather in novemberCity of Umatilla weather in december

Best time to visit City of Umatilla:

The best time to visit City of Umatilla during the most sunny months:

  • May — 12.7(h)
  • June — 13.2(h)
  • July — 14.0(h)
  • August — 11.2(h)

Months with the longest average daylight duration in City of Umatilla:

  • June — 15.7(h)
  • July — 15.3(h)

The largest precipitation sum in City of Umatilla is at

  • April — 34(mm)
  • October — 27(mm)
  • November — 29(mm)
  • December — 55(mm)

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    Frequently asked questions

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