Ottumwa, IA Weather - Forecast & Monthly Averages

TEMPERATURE	41
HUMIDITY	82
PRESSURE	102100
WIND COND.	320 16.6

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Weather Quick Facts

The highest monthly average temperature in Ottumwa for July is 74.9 degrees
The lowest monthly average temperature in Ottumwa for January is 23.5 degrees
The most monthly precipitation in Ottumwa occurs in June with 6.5 inches
The air quality index in Ottumwa is 31% better than the national average
The pollution index in Ottumwa is 83% better than the national average

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Ottumwa 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	24°F	0.7"
February	17°F	36°F	26°F	1.1"
March	31°F	52°F	40°F	2.3"
April	41°F	65°F	52°F	4.7"
May	51°F	74°F	62°F	5.0"
June	62°F	83°F	72°F	6.5"
July	65°F	86°F	75°F	4.5"
August	63°F	84°F	73°F	5.2"
September	54°F	78°F	65°F	3.7"
October	43°F	65°F	53°F	3.0"
November	32°F	52°F	41°F	2.0"
December	20°F	36°F	28°F	1.9"

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Ottumwa 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	Ottumwa	Iowa	National
Air quality index	29	39	42
Pollution index	464,333	1,154,535	2,726,193

Ottumwa air quality information

Measurement	Total
Days measured	120
Days with good air quality	101
Days with moderate air quality	19
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Ottumwa air quality information

Pollutant	Total
Arsenic	0.000%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.320%
Mercury	0.000%

Average monthly Ottumwa temperature with heat index

Ottumwa monthly precipitation with daily maximum

Ottumwa monthly snow depth with daily maximum

Ottumwa monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Agency, IA	625	29	42.0%
Batavia, IA	557	29	42.0%
Floris, IA	133	29	42.0%
Eldon, IA	921	29	42.0%
Chillicothe, IA	99	35	30.0%
Ottumwa, IA	24,505	29	42.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Key West, FL	24,495	34	32.0%
Collinsville, IL	24,489	54	8.0%
Homer Glen, IL	24,521	55	10.0%
Watauga, TX	24,487	51	2.0%
Coronado, CA	24,526	64	28.0%
Ottumwa, IA	24,505	29	42.0%

Source: The Ottumwa, 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.