Silverthorne, CO Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Silverthorne for July is 55.7 degrees
The lowest monthly average temperature in Silverthorne for January is 16.9 degrees
The most monthly precipitation in Silverthorne occurs in August with 2 inches
The air quality index in Silverthorne is 12% worse than the national average
The pollution index in Silverthorne is 67% better than the national average

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Silverthorne 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	5°F	30°F	17°F	1.4"
February	7°F	31°F	18°F	1.1"
March	13°F	39°F	26°F	1.3"
April	19°F	44°F	31°F	1.7"
May	27°F	55°F	40°F	1.4"
June	34°F	69°F	53°F	0.5"
July	40°F	72°F	56°F	1.9"
August	38°F	69°F	53°F	2.0"
September	32°F	63°F	47°F	1.4"
October	24°F	51°F	37°F	1.1"
November	15°F	41°F	27°F	1.0"
December	6°F	30°F	18°F	1.4"

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Silverthorne 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	Silverthorne	Colorado	National
Air quality index	47	38	42
Pollution index	908,183	2,068,342	2,726,193

Silverthorne air quality information

Measurement	Total
Days measured	365
Days with good air quality	227
Days with moderate air quality	133
Days w/ poor A.Q. for sensitive groups	5
Days with unhealthy air quality	0

Silverthorne air quality information

Pollutant	Total
Arsenic	0.001%
Benzene	0.020%
Carbon Tetrachloride	0.002%
Lead	0.000%
Mercury	0.000%

Average monthly Silverthorne temperature with heat index

Silverthorne monthly precipitation with daily maximum

Silverthorne monthly snow depth with daily maximum

Silverthorne monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Copper Mountain, CO	455	47	6.0%
Montezuma, CO	151	47	6.0%
Dillon, CO	956	47	6.0%
Blue River, CO	918	47	6.0%
Frisco, CO	2,928	47	6.0%
Silverthorne, CO	4,610	47	6.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Newport, NC	4,610	37	26.0%
Sandy Oaks, TX	4,611	49	2.0%
Danville, PA	4,613	35	30.0%
Lake Goodwin, WA	4,613	24	52.0%
Altona, MB	4,613	n/a
Silverthorne, CO	4,610	47	6.0%

Source: The Silverthorne, CO 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.