Best year time to visit City of Sammamish

General weather information about City of Sammamish

Average annual temperature is 11.3 °C

Absolute maximum temperature: 34.7 °C

Absolute minimum temperature: -6.8 °C

Number of sunny days: 159 days

Number of rainy days: 204 days

Number of snow days: 2 days

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

City of Sammamish air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.314.118.328.331.930.632.034.728.126.815.816.2
Average daytime temperature (°C)8.88.111.613.422.323.427.427.821.916.810.910.2
Average temperature (°C)5.34.05.88.015.416.219.920.415.611.46.56.7
Average night temperature (°C)2.81.21.94.210.010.913.614.711.67.73.84.2
Absolute minimum temperature (°C)-4.3-6.8-6.2-0.35.77.510.311.66.5-1.9-1.9-2.2

City of Sammamish monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.015.015.014.013.011.09.08.0
Daylight mean duration (h)8.910.311.913.615.115.915.514.212.610.99.38.5
Daylight minimum duration (h)8.09.011.012.014.015.015.013.011.010.08.08.0
Sunshine mean duration (h)3.74.77.36.410.311.313.111.58.16.45.23.0
Precipitation (mm)126961031662540114711189184282
Sunny days4974171925191417168
Rainy days26182426141161216141423
Snow days110000000000

City of Sammamish - weather forecast by months

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

Best time to visit City of Sammamish:

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

  • May — 10.3(h)
  • June — 11.3(h)
  • July — 13.1(h)
  • August — 11.5(h)

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

  • June — 15.9(h)
  • July — 15.5(h)

The largest precipitation sum in City of Sammamish is at

  • April — 166(mm)
  • November — 184(mm)
  • December — 282(mm)

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    Frequently asked questions

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