Best year time to visit Chehalis Reservation

General weather information about Chehalis Reservation

Average annual temperature is 11.0 °C

Absolute maximum temperature: 37.7 °C

Absolute minimum temperature: -5.1 °C

Number of sunny days: 163 days

Number of rainy days: 202 days

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

Chehalis Reservation air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.014.617.626.331.629.833.737.731.825.815.614.2
Average daytime temperature (°C)9.18.610.912.922.123.027.228.622.616.910.49.9
Average temperature (°C)5.44.15.27.814.815.518.720.115.411.26.26.4
Average night temperature (°C)2.81.21.54.39.510.212.214.211.07.43.23.9
Absolute minimum temperature (°C)-5.1-5.1-3.0-1.34.84.79.59.65.9-1.3-3.5-1.4

Chehalis Reservation 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)9.010.311.913.615.015.815.414.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)2.94.96.76.010.911.512.711.28.05.94.82.8
Precipitation (mm)14611211517025317268496193262
Sunny days81035192127211613128
Rainy days2318282512941014181823
Snow days000000000000

Chehalis Reservation - weather forecast by months

Chehalis Reservation weather in januaryChehalis Reservation weather in februaryChehalis Reservation weather in marchChehalis Reservation weather in aprilChehalis Reservation weather in mayChehalis Reservation weather in juneChehalis Reservation weather in julyChehalis Reservation weather in augustChehalis Reservation weather in septemberChehalis Reservation weather in octoberChehalis Reservation weather in novemberChehalis Reservation weather in december

Best time to visit Chehalis Reservation:

The best time to visit Chehalis Reservation during the most sunny months:

  • May — 10.9(h)
  • June — 11.5(h)
  • July — 12.7(h)
  • August — 11.2(h)

Months with the longest average daylight duration in Chehalis Reservation:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in Chehalis Reservation is at

  • January — 146(mm)
  • April — 170(mm)
  • November — 193(mm)
  • December — 262(mm)

    • Weather forecast in the closest to Chehalis Reservation admin centers

    Weather forecast in the closest towns to Chehalis Reservation

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    Frequently asked questions

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