TODAY NOV07
TEMPERATURE48
HUMIDITY37
PRESSURE
WIND COND.229 1.6
  • 7047Fri
  • 6548Sat20%
  • 6450Sun
  • 5543
  • 5944Tue
daynightWeather update from WHISKEYTOWN HQ#2 at
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Weather Quick Facts

  • The highest monthly average temperature in Shasta Lake for July is 84.1 degrees
  • The lowest monthly average temperature in Shasta Lake for December is 45.8 degrees
  • The most monthly precipitation in Shasta Lake occurs in December with 6.1 inches
  • The air quality index in Shasta Lake is equal to the national average
  • The pollution index in Shasta Lake is 107% worse than the national average

Compare Shasta Lake, CA Weather

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      Shasta Lake 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
      January36°F60°F47°F5.0"
      February39°F64°F51°F4.6"
      March42°F68°F54°F4.3"
      April45°F74°F59°F2.5"
      May53°F84°F69°F1.4"
      June61°F94°F77°F1.0"
      July66°F102°F84°F0.1"
      August63°F100°F82°F0.0"
      September57°F94°F75°F0.5"
      October49°F80°F64°F2.2"
      November40°F67°F52°F3.5"
      December36°F58°F46°F6.1"

      Shasta Lake 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.
      IndexShasta LakeCaliforniaNational
      Air quality index425542
      Pollution index5,642,31010,473,1902,726,193

      Shasta Lake air quality

      MeasurementTotal
      Days measured364
      Days with good air quality311
      Days with moderate air quality53
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.060%
      Benzene0.080%
      Carbon Tetrachloride0.000%
      Lead0.050%
      Mercury0.050%

      Average monthly Shasta Lake temperature with heat index

      Shasta Lake monthly precipitation with daily maximum

      Shasta Lake monthly snow depth with daily maximum

      Shasta Lake monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Keswick, CA1924216.0%
      Redding, CA92,0254216.0%
      Millville, CA8794216.0%
      Shasta, CA1,6394216.0%
      Bella Vista, CA3,3204216.0%
      Shasta Lake, CA10,2354216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Golden Hills, CA10,2346734.0%
      East Stroudsburg, PA10,2323432.0%
      Elgin, TX10,2314412.0%
      Belle Chasse, LA10,2414510.0%
      Canandaigua, NY10,2413726.0%
      Shasta Lake, CA10,2354216.0%
      Source: The Shasta Lake, CA 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.