Letts, IA Weather - Forecast & Monthly Averages

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TEMPERATURE	91
HUMIDITY	53
PRESSURE	101460
WIND COND.	200 16.6

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Weather Quick Facts

The highest monthly average temperature in Letts for July is 75.4 degrees
The lowest monthly average temperature in Letts for January is 22.5 degrees
The most monthly precipitation in Letts occurs in June with 6.1 inches
The air quality index in Letts is 24% better than the national average
The pollution index in Letts is 64% better than the national average

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Letts 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	15°F	32°F	23°F	1.0"
February	17°F	35°F	25°F	1.1"
March	30°F	51°F	39°F	2.4"
April	41°F	64°F	52°F	4.8"
May	51°F	74°F	62°F	4.6"
June	62°F	84°F	73°F	6.1"
July	66°F	86°F	75°F	4.7"
August	64°F	84°F	73°F	4.5"
September	55°F	78°F	66°F	3.3"
October	43°F	65°F	53°F	3.3"
November	31°F	51°F	40°F	1.9"
December	19°F	35°F	27°F	1.9"

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Letts 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	Letts	Iowa	National
Air quality index	32	39	42
Pollution index	975,807	1,154,535	2,726,193

Letts air quality

Measurement	Total
Days measured	365
Days with good air quality	300
Days with moderate air quality	65
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.150%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.040%
Mercury	0.150%

Average monthly Letts temperature with heat index

Letts monthly precipitation with daily maximum

Letts monthly snow depth with daily maximum

Letts monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Cotter, IA	21	32	36.0%
Winfield, IA	1,035	32	36.0%
Fruitland, IA	1,270	32	36.0%
Nichols, IA	376	32	36.0%
Fredonia, IA	234	32	36.0%
Letts, IA	334	32	36.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Eckley, CO	334	45	10.0%
Kapalua, HI	334	15	70.0%
Crawfordsville, IA	334	32	36.0%
Bazine, KS	334	15	70.0%
Clarks, NE	334	19	62.0%
Letts, IA	334	32	36.0%

Source: The Letts, 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.