TODAY MAY15
TEMPERATURE48
HUMIDITY100
PRESSURE30.02
WIND COND.320 22.3
  • 6147Sat
  • 6448Sun
  • 6246Mon
  • 6146Tue
  • 5542Wed
daynightWeather update from Fortuna Rohnerville Airport at

Key findings

  • The highest monthly average temperature in Rio Dell for July is 58 degrees
  • The lowest monthly average temperature in Rio Dell for January is 44.3 degrees
  • The most monthly precipitation in Rio Dell occurs in December with 11.4 inches
  • The air quality index in Rio Dell is 46% better than the national average
  • The pollution index in Rio Dell is 40% better than the national average

Compare Rio Dell, CA Weather

      vs
      How would you rate the weather in Rio Dell?
      Write a review to give others more information about this area.
      How would you rate the air quality in Rio Dell?
      Write a review to give others more information about this area.
      See all Rio Dell poll results

      Rio Dell 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
      January35°F53°F44°F6.0"
      February40°F56°F49°F6.4"
      March41°F57°F50°F6.8"
      April40°F56°F49°F5.8"
      May45°F59°F53°F3.6"
      June47°F61°F55°F3.9"
      July52°F65°F58°F1.0"
      August50°F63°F56°F0.3"
      September46°F63°F54°F0.4"
      October44°F61°F53°F5.6"
      November40°F58°F49°F4.0"
      December39°F54°F47°F11.4"

      Rio Dell 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.
      IndexRio DellCaliforniaNational
      Air quality index275550
      Pollution index3,041,84018,106,7265,066,862

      Rio Dell air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality353
      Days with moderate air quality10
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Rio Dell air quality information

      PollutantTotal
      Arsenic0.060%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.040%
      Mercury0.005%

      Average monthly Rio Dell temperature with heat index

      Rio Dell monthly precipitation with daily maximum

      Rio Dell monthly snow depth with daily maximum

      Rio Dell monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Scotia, CA7342746%
      Fortuna, CA11,9172746%
      Weott, CA2282746%
      Hydesville, CA1,1582746%
      Ferndale, CA1,4192746%
      Rio Dell, CA3,3722746%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Long Prairie, MN3,3712942%
      Cloverdale, VA3,3713824%
      Cleves, OH3,371548%
      Maiden, NC3,3733628%
      Penrose, CO3,3741668%
      Rio Dell, CA3,3722746%
      Source: The Rio Dell, 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.