Henderson, IA Weather - Forecast & Monthly Averages

TEMPERATURE	23
HUMIDITY	100
PRESSURE	102270
WIND COND.	160 16.6

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Weather Quick Facts

The highest monthly average temperature in Henderson for July is 78 degrees
The lowest monthly average temperature in Henderson for January is 22.3 degrees
The most monthly precipitation in Henderson occurs in May with 14.1 inches
The air quality index in Henderson is 5% better than the national average
The pollution index in Henderson is 60% worse than the national average

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Henderson 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	33°F	22°F	2.3"
February	20°F	39°F	28°F	3.1"
March	34°F	58°F	44°F	4.4"
April	42°F	65°F	52°F	10.1"
May	55°F	77°F	65°F	14.1"
June	64°F	85°F	73°F	6.4"
July	67°F	90°F	78°F	4.8"
August	67°F	87°F	76°F	9.9"
September	58°F	82°F	68°F	6.9"
October	46°F	69°F	56°F	8.1"
November	31°F	54°F	40°F	1.8"
December	16°F	34°F	24°F	2.8"

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Henderson 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	Henderson	Iowa	National
Air quality index	40	39	42
Pollution index	4,349,930	1,154,535	2,726,193

Henderson air quality

Measurement	Total
Days measured	365
Days with good air quality	283
Days with moderate air quality	82
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.210%
Benzene	0.040%
Carbon Tetrachloride	0.004%
Lead	0.100%
Mercury	0.160%

Average monthly Henderson temperature with heat index

Henderson monthly precipitation with daily maximum

Henderson monthly snow depth with daily maximum

Henderson monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Emerson, IA	462	40	20.0%
Silver City, IA	320	40	20.0%
Mineola, IA	220	40	20.0%
Carson, IA	730	40	20.0%
Hastings, IA	154	40	20.0%
Henderson, IA	213	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Nanwalek, AK	213	31	38.0%
Sweet Water, AL	213	36	28.0%
Ruth, CA	213	42	16.0%
Westside, CA	213	72	44.0%
Rye, CO	213	20	60.0%
Henderson, IA	213	40	20.0%

Source: The Henderson, 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.