Grand Junction, IA Weather - Forecast & Monthly Averages

TEMPERATURE	37
HUMIDITY	67
PRESSURE	101930
WIND COND.	290 35.3

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Weather Quick Facts

The highest monthly average temperature in Grand Junction for July is 74 degrees
The lowest monthly average temperature in Grand Junction for January is 21 degrees
The most monthly precipitation in Grand Junction occurs in August with 2.2 inches
The air quality index in Grand Junction is 12% better than the national average
The pollution index in Grand Junction is 81% better than the national average

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Grand Junction 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	12°F	31°F	21°F	0.7"
February	15°F	35°F	24°F	0.6"
March	29°F	50°F	38°F	1.0"
April	40°F	64°F	51°F	1.2"
May	50°F	75°F	62°F	1.5"
June	61°F	84°F	72°F	1.9"
July	63°F	86°F	74°F	1.3"
August	61°F	83°F	71°F	2.2"
September	53°F	79°F	65°F	2.1"
October	41°F	67°F	53°F	1.6"
November	30°F	52°F	39°F	0.8"
December	18°F	37°F	26°F	0.9"

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Grand Junction 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 Junction	Iowa	National
Air quality index	37	39	42
Pollution index	517,691	1,154,535	2,726,193

Grand Junction air quality

Measurement	Total
Days measured	214
Days with good air quality	210
Days with moderate air quality	4
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.002%
Mercury	0.000%

Average monthly Grand Junction temperature with heat index

Grand Junction monthly precipitation with daily maximum

Grand Junction monthly snow depth with daily maximum

Grand Junction monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Berkley, IA	9	37	26.0%
Jamaica, IA	250	37	26.0%
Pilot Mound, IA	161	37	26.0%
Bouton, IA	165	37	26.0%
Boxholm, IA	152	37	26.0%
Grand Junction, IA	829	37	26.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Autaugaville, AL	829	52	4.0%
Screven, GA	829	36	28.0%
Whiting, IA	829	35	30.0%
Elberfeld, IN	829	45	10.0%
Oil City, LA	829	39	22.0%
Grand Junction, IA	829	37	26.0%

Source: The Grand Junction, IA 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.