Best year time to visit Ilwaco

General weather information about Ilwaco

Average annual temperature is 11.1 °C

Absolute maximum temperature: 33.6 °C

Absolute minimum temperature: -2.5 °C

Number of sunny days: 146 days

Number of rainy days: 219 days

Look at detailed online map of Ilwaco

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

Ilwaco air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.911.717.426.731.423.025.933.627.026.115.413.2
Average daytime temperature (°C)9.28.19.611.016.616.519.421.918.916.511.811.0
Average temperature (°C)7.05.76.28.013.313.615.817.815.012.68.68.7
Average night temperature (°C)5.23.93.96.211.011.412.715.112.210.36.36.7
Absolute minimum temperature (°C)-0.5-2.5-0.52.47.27.110.411.78.32.00.42.2

Ilwaco 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)9.110.311.913.615.015.715.414.112.610.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.15.17.26.710.711.512.611.08.56.35.43.5
Precipitation (mm)25119125731232362121117190262391
Sunny days7844201819191213157
Rainy days242027261112121218181524
Snow days000000000000

Ilwaco - weather forecast by months

Ilwaco weather in januaryIlwaco weather in februaryIlwaco weather in marchIlwaco weather in aprilIlwaco weather in mayIlwaco weather in juneIlwaco weather in julyIlwaco weather in augustIlwaco weather in septemberIlwaco weather in octoberIlwaco weather in novemberIlwaco weather in december

Best time to visit Ilwaco:

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

  • May — 10.7(h)
  • June — 11.5(h)
  • July — 12.6(h)
  • August — 11.0(h)

Months with the longest average daylight duration in Ilwaco:

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in Ilwaco is at

  • January — 251(mm)
  • March — 257(mm)
  • April — 312(mm)
  • November — 262(mm)
  • December — 391(mm)

    • Weather forecast in the closest to Ilwaco admin centers

    Weather forecast in the closest towns to Ilwaco

    Explore Ilwaco

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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