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Walnut Grove Average Weather

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
January38°F58°F47°F3.3"
February41°F63°F51°F3.1"
March44°F68°F55°F2.9"
April47°F74°F59°F1.8"
May52°F82°F65°F0.5"
June57°F90°F71°F0.3"
July59°F95°F74°F0.0"
August58°F93°F73°F0.0"
September56°F90°F70°F0.1"
October50°F79°F63°F1.2"
November43°F66°F53°F1.6"
December38°F57°F47°F3.8"

Did you know?

  • The highest monthly average temperature in Walnut Grove for July is 74 degrees.
  • The lowest monthly average temperature in Walnut Grove for January is 47 degrees.
  • The most monthly precipitation in Walnut Grove occurs in December with 3.8 inches.
  • The air quality index in Walnut Grove is 10% worse than the national average.
  • The pollution index in Walnut Grove is 205% worse than the national average.

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Compare Walnut Grove, CA Weather To Other Cities

Walnut Grove 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.
IndexWalnut GroveCaliforniaNational
Air quality index555550
Pollution index15,476,50018,106,7265,066,862

Walnut Grove air quality information

MeasurementTotal
Days measured365
Days with good air quality155
Days with moderate air quality175
Days w/ poor A.Q. for sensitive groups31
Days with unhealthy air quality4

Walnut Grove air quality information

PollutantTotal
Arsenic0.090%
Benzene0.130%
Carbon Tetrachloride0.010%
Lead0.130%
Mercury0.070%

Average monthly Walnut Grove temperature with heat index

Walnut Grove monthly precipitation with daily maximum

Walnut Grove monthly snow depth with daily maximum

Walnut Grove monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Elk Grove, CA163,6345510%
Clarksburg, CA4755510%
Freeport, CA1055510%
Wilton, CA4,9955510%
Courtland, CA5205510%
Walnut Grove, CA1,4695510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Weber City, VA1,4694510%
Union City, OK1,469476%
Kinsley, KS1,468688%
Tennessee Ridge, TN1,4704118%
Nelson, GA1,4704216%
Walnut Grove, CA1,4695510%
Source: The Walnut Grove, 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.