TODAY OCT16
TEMPERATURE41
HUMIDITY89
PRESSURE30.16
WIND COND.90 4.7
  • 6738Tue
  • 6740Wed
  • 6741Thu
  • 6740Fri
  • 6841Sat
daynightWeather update from Arcata / Eureka, Arcata Airport at
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McKinleyville 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
January39°F56°F46°F6.8"
February40°F57°F47°F6.2"
March41°F57°F48°F8.0"
April42°F58°F49°F4.5"
May45°F60°F52°F1.8"
June48°F62°F55°F1.4"
July51°F63°F56°F0.3"
August51°F64°F56°F0.2"
September48°F65°F55°F1.1"
October46°F64°F53°F3.8"
November43°F59°F50°F6.1"
December39°F55°F46°F8.8"

Did you know?

  • The highest monthly average temperature in McKinleyville for August is 56 degrees.
  • The lowest monthly average temperature in McKinleyville for January is 46 degrees.
  • The most monthly precipitation in McKinleyville occurs in December with 8.8 inches.
  • The air quality index in McKinleyville is 37% better than the national average.
  • The pollution index in McKinleyville is 11% worse than the national average.

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Compare McKinleyville, CA Weather To Other Cities

McKinleyville 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.
IndexMcKinleyvilleCaliforniaNational
Air quality index315550
Pollution index5,642,31018,106,7265,066,862

McKinleyville air quality information

MeasurementTotal
Days measured365
Days with good air quality318
Days with moderate air quality47
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

McKinleyville air quality information

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

Average monthly McKinleyville temperature with heat index

McKinleyville monthly precipitation with daily maximum

McKinleyville monthly snow depth with daily maximum

McKinleyville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bayview, CA2,5273138%
Eureka, CA27,0023138%
Manila, CA7513138%
Westhaven-Moonstone, CA9883138%
Big Lagoon, CA783138%
McKinleyville, CA16,9483138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Mesquite, NV16,9534118%
Waukee, IA16,9554118%
Bon Air, VA16,9573922%
Five Forks, SC16,9294020%
Country Walk, FL16,9754118%
McKinleyville, CA16,9483138%
Source: The McKinleyville, 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.