Best year time to visit Umtanum

General weather information about Umtanum

Average annual temperature is 11.4 °C

Absolute maximum temperature: 39.9 °C

Absolute minimum temperature: -11.2 °C

Number of sunny days: 216 days

Number of rainy days: 125 days

Number of snow days: 24 days

Look at detailed online map of Umtanum

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

Umtanum air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.310.913.728.933.533.137.139.932.326.513.88.6
Average daytime temperature (°C)4.26.28.913.925.527.232.231.824.517.37.84.8
Average temperature (°C)1.11.43.88.418.119.723.924.117.711.83.62.0
Average night temperature (°C)-1.8-2.0-0.43.712.113.416.917.612.57.30.5-0.2
Absolute minimum temperature (°C)-9.7-11.2-3.5-2.66.06.312.112.24.5-4.9-4.8-2.9

Umtanum 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)9.010.311.913.615.015.815.414.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)4.96.68.29.312.913.313.911.910.08.25.63.4
Precipitation (mm)301444463193914243576
Sunny days17188102021272422181912
Rainy days961319119478131115
Snow days5410100000004

Umtanum - weather forecast by months

Umtanum weather in januaryUmtanum weather in februaryUmtanum weather in marchUmtanum weather in aprilUmtanum weather in mayUmtanum weather in juneUmtanum weather in julyUmtanum weather in augustUmtanum weather in septemberUmtanum weather in octoberUmtanum weather in novemberUmtanum weather in december

Best time to visit Umtanum:

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

  • May — 12.9(h)
  • June — 13.3(h)
  • July — 13.9(h)
  • August — 11.9(h)

Months with the longest average daylight duration in Umtanum:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in Umtanum is at

  • March — 44(mm)
  • April — 46(mm)
  • December — 76(mm)

    • Weather forecast in the closest to Umtanum admin centers

    Weather forecast in the closest towns to Umtanum

    Explore Umtanum

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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