Arcata, CA Weather - Forecast & Monthly Averages

TEMPERATURE	50
HUMIDITY
PRESSURE	101940.6
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Arcata for August is 56.5 degrees
The lowest monthly average temperature in Arcata for December is 46.6 degrees
The most monthly precipitation in Arcata occurs in December with 7.3 inches
The air quality index in Arcata is 36% better than the national average
The pollution index in Arcata is 107% worse than the national average

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Arcata Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	38°F	56°F	47°F	6.0"
February	39°F	56°F	48°F	5.3"
March	40°F	56°F	48°F	6.9"
April	40°F	57°F	49°F	3.6"
May	44°F	59°F	52°F	1.2"
June	47°F	62°F	55°F	0.7"
July	50°F	63°F	56°F	0.2"
August	50°F	64°F	57°F	0.2"
September	47°F	65°F	56°F	0.5"
October	45°F	64°F	54°F	3.4"
November	42°F	59°F	51°F	5.2"
December	37°F	55°F	47°F	7.3"

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Arcata 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.
Index	Arcata	California	National
Air quality index	27	55	42
Pollution index	5,642,310	10,473,190	2,726,193

Arcata air quality

Measurement	Total
Days measured	363
Days with good air quality	353
Days with moderate air quality	10
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.060%
Benzene	0.080%
Carbon Tetrachloride	0.000%
Lead	0.050%
Mercury	0.050%

Average monthly Arcata temperature with heat index

Arcata monthly precipitation with daily maximum

Arcata monthly snow depth with daily maximum

Arcata monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Eureka, CA	26,938	27	46.0%
Manila, CA	762	27	46.0%
Westhaven-Moonstone, CA	1,302	27	46.0%
Humboldt Hill, CA	3,435	27	46.0%
Bayview CDP (Contra Costa County), CA	1,753	27	46.0%
Arcata, CA	18,266	27	46.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Hyattsville, MD	18,267	47	6.0%
Bensenville, IL	18,273	55	10.0%
San Carlos Park, FL	18,256	36	28.0%
Schofield Barracks, HI	18,276	30	40.0%
Menasha, WI	18,280	37	26.0%
Arcata, CA	18,266	27	46.0%

Source: The Arcata, 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.