Best year time to visit Cascade Locks

General weather information about Cascade Locks

Average annual temperature is 12.0 °C

Absolute maximum temperature: 39.4 °C

Absolute minimum temperature: -10.0 °C

Number of sunny days: 158 days

Number of rainy days: 197 days

Number of snow days: 10 days

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

Cascade Locks air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)8.912.315.926.230.933.336.739.431.926.816.415.0
Average daytime temperature (°C)6.57.39.313.523.225.630.530.723.617.810.38.0
Average temperature (°C)3.73.24.78.516.518.022.123.017.413.27.25.6
Average night temperature (°C)1.80.51.74.911.012.215.216.913.110.14.94.1
Absolute minimum temperature (°C)-7.0-10.0-1.91.36.58.012.712.18.31.6-2.70.7

Cascade Locks 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)9.210.411.913.514.915.615.314.112.510.99.58.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.34.05.15.610.812.313.511.48.56.64.82.1
Precipitation (mm)2512442553086156834107177255478
Sunny days81036141926231614127
Rainy days2214262417115814171722
Snow days142000000012

Cascade Locks - weather forecast by months

Cascade Locks weather in januaryCascade Locks weather in februaryCascade Locks weather in marchCascade Locks weather in aprilCascade Locks weather in mayCascade Locks weather in juneCascade Locks weather in julyCascade Locks weather in augustCascade Locks weather in septemberCascade Locks weather in octoberCascade Locks weather in novemberCascade Locks weather in december

Best time to visit Cascade Locks:

The best time to visit Cascade Locks during the most sunny months:

  • May — 10.8(h)
  • June — 12.3(h)
  • July — 13.5(h)
  • August — 11.4(h)

Months with the longest average daylight duration in Cascade Locks:

  • June — 15.6(h)
  • July — 15.3(h)

The largest precipitation sum in Cascade Locks is at

  • January — 251(mm)
  • February — 244(mm)
  • March — 255(mm)
  • April — 308(mm)
  • November — 255(mm)
  • December — 478(mm)

    • Weather forecast in the closest to Cascade Locks admin centers

    Weather forecast in the closest towns to Cascade Locks

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    Frequently asked questions

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