Best year time to visit City of Ilwaco

General weather information about City of Ilwaco

Average annual temperature is 10.9 °C

Absolute maximum temperature: 30.8 °C

Absolute minimum temperature: -2.6 °C

Number of sunny days: 127 days

Number of rainy days: 237 days

Number of snow days: 1 day

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

City of Ilwaco air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.811.316.826.230.820.922.630.824.926.915.313.7
Average daytime temperature (°C)9.18.09.310.916.015.818.120.918.216.211.911.1
Average temperature (°C)7.05.76.17.913.113.315.117.414.812.78.88.8
Average night temperature (°C)5.23.83.66.010.911.212.615.112.310.46.46.9
Absolute minimum temperature (°C)-0.9-2.6-1.12.27.47.99.912.28.42.20.02.1

City of 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)9.110.311.913.615.015.715.414.112.610.99.48.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.05.07.36.810.711.412.510.98.66.35.43.6
Precipitation (mm)23720424629330492020111170230351
Sunny days4744151515191310147
Rainy days272027261615161217211624
Snow days010000000000

City of Ilwaco - weather forecast by months

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

Best time to visit City of Ilwaco:

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

  • May — 10.7(h)
  • June — 11.4(h)
  • July — 12.5(h)
  • August — 10.9(h)

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

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in City of Ilwaco is at

  • January — 237(mm)
  • March — 246(mm)
  • April — 293(mm)
  • November — 230(mm)
  • December — 351(mm)

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    Frequently asked questions

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