TODAY JUN20
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 8759
  • 8860Thu
  • 8860Fri
  • 8460Sat
  • 7960Sun
daynightWeather update from DW6637 Yorba Linda at

Placentia 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
January28°F88°F55°F2.6"
February37°F90°F57°F2.4"
March36°F97°F59°F0.9"
April44°F102°F62°F0.7"
May50°F100°F66°F0.3"
June55°F102°F70°F0.0"
July58°F106°F74°F0.0"
August60°F104°F74°Fn/a
September55°F108°F71°F0.3"
October46°F100°F68°F0.2"
November39°F97°F63°F0.3"
December34°F82°F56°F0.5"

Did you know?

  • The highest monthly average temperature in Placentia for July is 74 degrees.
  • The lowest monthly average temperature in Placentia for January is 55 degrees.
  • The most monthly precipitation in Placentia occurs in January with 2.6 inches.
  • The air quality index in Placentia is 70% worse than the national average.
  • The pollution index in Placentia is 83% better than the national average.

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Compare Placentia, CA Weather To Other Cities

Placentia 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.
IndexPlacentiaCaliforniaNational
Air quality index855550
Pollution index858,65218,106,7265,066,862

Placentia air quality information

MeasurementTotal
Days measured365
Days with good air quality24
Days with moderate air quality211
Days w/ poor A.Q. for sensitive groups102
Days with unhealthy air quality25

Placentia air quality information

PollutantTotal
Arsenic0.002%
Benzene0.010%
Carbon Tetrachloride0.000%
Lead0.020%
Mercury0.001%

Average monthly Placentia temperature with heat index

Placentia monthly precipitation with daily maximum

Placentia monthly snow depth with daily maximum

Placentia monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Westminster, CA91,6357448%
Fullerton, CA139,4917448%
Industry, CA2667448%
La Mirada, CA49,1307448%
Midway City, CA9,2357448%
Placentia, CA52,1688570%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
La Crosse, WI52,1404020%
Florissant, MO52,2186020%
Peabody, MA52,235476%
Perth Amboy, NJ52,265536%
Stratford, CT52,300476%
Placentia, CA52,1688570%
Source: The Placentia, 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.