Grand Lake, CO Weather - Forecast & Monthly Averages

TEMPERATURE	25
HUMIDITY	58
PRESSURE	102270
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Grand Lake for July is 74.7 degrees
The lowest monthly average temperature in Grand Lake for December is 29.7 degrees
The most monthly precipitation in Grand Lake occurs in November with 2.6 inches
The air quality index in Grand Lake is 12% worse than the national average
The pollution index in Grand Lake is 80% better than the national average

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Grand 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	18°F	48°F	32°F	1.2"
February	21°F	50°F	34°F	1.5"
March	30°F	62°F	44°F	1.6"
April	36°F	66°F	49°F	0.2"
May	43°F	73°F	57°F	2.4"
June	54°F	89°F	71°F	1.1"
July	59°F	92°F	75°F	2.1"
August	56°F	90°F	72°F	1.1"
September	49°F	82°F	64°F	0.2"
October	38°F	69°F	52°F	2.1"
November	28°F	58°F	41°F	2.6"
December	17°F	46°F	30°F	0.7"

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Grand 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	Grand Lake	Colorado	National
Air quality index	47	38	42
Pollution index	543,668	2,068,342	2,726,193

Grand Lake air quality

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

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.180%
Mercury	0.030%

Average monthly Grand Lake temperature with heat index

Grand Lake monthly precipitation with daily maximum

Grand Lake monthly snow depth with daily maximum

Grand Lake monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Granby, CO	2,281	47	6.0%
Hot Sulphur Springs, CO	890	47	6.0%
Grand Lake, CO	262	47	6.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Dry Creek, AK	262	38	24.0%
Mekoryuk, AK	262	31	38.0%
Oden, AR	262	38	24.0%
Valle, AZ	262	45	10.0%
Sugarloaf, CO	262	47	6.0%
Grand Lake, CO	262	47	6.0%

Source: The Grand Lake, 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.