TODAY JUN02
TEMPERATURE92
HUMIDITY21
PRESSURE
WIND COND.339 1
  • 9969Wed
  • 9869Thu
  • 9060Fri
  • 7552Sat
  • 7251Sun
daynightWeather update from WHISKEYTOWN HQ#2 at
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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"

Did you know?

  • The highest monthly average temperature in Shasta Lake for July is 84 degrees.
  • The lowest monthly average temperature in Shasta Lake for December is 46 degrees.
  • The most monthly precipitation in Shasta Lake occurs in December with 6.1 inches.
  • The air quality index in Shasta Lake is 24% better than the national average.
  • The pollution index in Shasta Lake is 11% worse than the national average.

Compare Shasta Lake, CA Weather To Other Cities

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      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 index385550
      Pollution index5,642,31018,106,7265,066,862

      Shasta Lake air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality328
      Days with moderate air quality37
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Shasta Lake air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      French Gulch, CA4923824%
      Palo Cedro, CA1,3793824%
      Keswick, CA4843824%
      Redding, CA91,3203824%
      Millville, CA7573824%
      Shasta Lake, CA10,1513824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Cameron, MO10,1504510%
      Berlin, NH10,1544118%
      Friendly, MD10,155492%
      Anderson, CA10,1563824%
      North Branch, MN10,1574412%
      Shasta Lake, CA10,1513824%
      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.