TODAY FEB25
TEMPERATURE68
HUMIDITY22
PRESSURE
WIND COND.322 3.2
  • 6141Fri
  • 6042Sat
  • 6541Sun
  • 5739Mon
  • 6040Tue
daynightWeather update from WHISKEYTOWN HQ#2 at

Key findings

  • The highest monthly average temperature in Shasta for July is 84 degrees
  • The lowest monthly average temperature in Shasta for December is 46 degrees
  • The most monthly precipitation in Shasta occurs in December with 6.1 inches
  • The air quality index in Shasta is 16% better than the national average
  • The pollution index in Shasta is 11% worse than the national average

Compare Shasta, CA Weather

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      Shasta 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 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.
      IndexShastaCaliforniaNational
      Air quality index425550
      Pollution index5,642,31018,106,7265,066,862

      Shasta air quality information

      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

      Shasta air quality information

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

      Average monthly Shasta temperature with heat index

      Shasta monthly precipitation with daily maximum

      Shasta monthly snow depth with daily maximum

      Shasta monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Cottonwood, CA3,6444216%
      Keswick, CA4844216%
      Shasta Lake, CA10,1514216%
      Anderson, CA10,1564216%
      Mountain Gate, CA9284216%
      Shasta, CA1,7374216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      First Mesa, AZ1,7374510%
      Rural Hill, TN1,7374510%
      Pine Island Center, FL1,7373628%
      Glouster, OH1,7372550%
      Iota, LA1,7374118%
      Shasta, CA1,7374216%
      Source: The Shasta, 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.