Shasta Lake, CA Weather - Forecast & Monthly Averages

TEMPERATURE	45
HUMIDITY	95
PRESSURE
WIND COND.	105 1.6

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Weather Quick Facts

The highest monthly average temperature in Shasta Lake for July is 84.1 degrees
The lowest monthly average temperature in Shasta Lake for December is 45.8 degrees
The most monthly precipitation in Shasta Lake occurs in December with 6.1 inches
The air quality index in Shasta Lake is equal to the national average
The pollution index in Shasta Lake is 107% worse than the national average

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Shasta Lake 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	36°F	60°F	47°F	5.0"
February	39°F	64°F	51°F	4.6"
March	42°F	68°F	54°F	4.3"
April	45°F	74°F	59°F	2.5"
May	53°F	84°F	69°F	1.4"
June	61°F	94°F	77°F	1.0"
July	66°F	102°F	84°F	0.1"
August	63°F	100°F	82°F	0.0"
September	57°F	94°F	75°F	0.5"
October	49°F	80°F	64°F	2.2"
November	40°F	67°F	52°F	3.5"
December	36°F	58°F	46°F	6.1"

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Shasta Lake 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	Shasta Lake	California	National
Air quality index	42	55	42
Pollution index	5,642,310	10,473,190	2,726,193

Shasta Lake air quality

Measurement	Total
Days measured	364
Days with good air quality	311
Days with moderate air quality	53
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 Shasta Lake temperature with heat index

Shasta Lake monthly precipitation with daily maximum

Shasta Lake monthly snow depth with daily maximum

Shasta Lake monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Bella Vista, CA	3,320	42	16.0%
Mountain Gate, CA	703	42	16.0%
French Gulch, CA	441	42	16.0%
Palo Cedro, CA	2,893	42	16.0%
Keswick, CA	192	42	16.0%
Shasta Lake, CA	10,235	42	16.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Golden Hills, CA	10,234	67	34.0%
East Stroudsburg, PA	10,232	34	32.0%
Elgin, TX	10,231	44	12.0%
Belle Chasse, LA	10,241	45	10.0%
Canandaigua, NY	10,241	37	26.0%
Shasta Lake, CA	10,235	42	16.0%

Source: The Shasta Lake, 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.