TODAY JAN20
TEMPERATURE31
HUMIDITY100
PRESSURE
WIND COND.283 2
  • 3728Tue90%
  • 3632Wed30%60%
  • 4035Thu40%60%
  • 4333Fri40%30%
  • 4033Sat40%20%
daynightWeather update from SPRING CANYON at
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Coulee Dam Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January18°F30°F24°F1.2"
February25°F44°F33°F2.4"
March31°F57°F43°F1.8"
April35°F65°F50°F1.5"
May42°F75°F59°F2.6"
June49°F80°F64°F4.2"
July58°F92°F75°F1.6"
August54°F91°F73°F0.8"
September45°F78°F61°F2.2"
October37°F61°F48°F2.3"
November27°F41°F34°F3.6"
December18°F30°F25°F4.0"

Did you know?

  • The highest monthly average temperature in Coulee Dam for July is 75 degrees.
  • The lowest monthly average temperature in Coulee Dam for January is 24 degrees.
  • The most monthly precipitation in Coulee Dam occurs in June with 4.2 inches.
  • The air quality index in Coulee Dam is 52% better than the national average.
  • The pollution index in Coulee Dam is 47% better than the national average.

Compare Coulee Dam, WA Weather To Other Cities

Coulee Dam air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexCoulee DamWashingtonNational
Air quality index243650
Pollution index2,683,4108,596,9895,066,862

Coulee Dam air quality information

MeasurementTotal
Days measured337
Days with good air quality294
Days with moderate air quality43
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Coulee Dam air quality information

PollutantTotal
Arsenic0.000%
Benzene0.040%
Carbon Tetrachloride0.004%
Lead0.030%
Mercury0.000%

Average monthly Coulee Dam temperature with heat index

Coulee Dam monthly precipitation with daily maximum

Coulee Dam monthly snow depth with daily maximum

Coulee Dam monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Electric City, WA8382452%
Nespelem, WA2142452%
Elmer City, WA3192452%
Nespelem Community, WA2502452%
Grand Coulee, WA9822452%
Coulee Dam, WA1,3132452%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Seneca, PA1,3133138%
Unionville, TN1,3143138%
Birchwood Lakes, PA1,3143922%
Saxapahaw, NC1,3143138%
Roland, IA1,3123726%
Coulee Dam, WA1,3132452%
Source: The Coulee Dam, WA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.
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