Best year time to visit South Valley Stream

General weather information about South Valley Stream

Average annual temperature is 12.8 °C

Absolute maximum temperature: 31.8 °C

Absolute minimum temperature: -16.7 °C

Number of sunny days: 169 days

Number of rainy days: 191 days

Number of snow days: 5 days

Look at detailed online map of South Valley Stream

* Weather data for South Valley Stream United States is based on climate observations for 2026 year

South Valley Stream air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.917.314.426.025.326.230.529.831.825.319.116.0
Average daytime temperature (°C)8.37.69.415.919.123.227.426.023.518.711.29.0
Average temperature (°C)5.03.75.311.714.818.924.022.619.814.87.15.7
Average night temperature (°C)1.7-0.21.38.010.315.320.819.316.711.43.32.7
Absolute minimum temperature (°C)-4.3-16.7-2.80.06.29.416.515.711.76.6-3.6-4.7

South Valley Stream monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.711.913.314.415.014.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.96.97.48.912.211.211.710.98.18.07.55.3
Precipitation (mm)13350134122447314115429710043206
Sunny days12171214201081013161918
Rainy days19916161120232117151113
Snow days023000000000

Best time to visit South Valley Stream:

The best time to visit South Valley Stream during the most sunny months:

  • May — 12.2(h)
  • June — 11.2(h)
  • July — 11.7(h)
  • August — 10.9(h)

The largest precipitation sum in South Valley Stream is at

  • September — 297(mm)
  • December — 206(mm)
  • Frequently asked questions

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