Decorah, IA Weather - Forecast & Monthly Averages

TEMPERATURE	54
HUMIDITY	88
PRESSURE	100640
WIND COND.	240 13

New Real Estate Listings in Decorah Area

For Sale For Rent

Search

Search Homes for Sale in Decorah, IA

Weather Quick Facts

The highest monthly average temperature in Decorah for July is 73 degrees
The lowest monthly average temperature in Decorah for January is 19.3 degrees
The most monthly precipitation in Decorah occurs in June with 4.3 inches
The air quality index in Decorah is 17% better than the national average
The pollution index in Decorah is 81% better than the national average

Compare Decorah, IA Weather

Write a review to give others more information about this area.

See all Decorah poll results

Decorah 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	13°F	27°F	19°F	0.5"
February	14°F	29°F	21°F	0.4"
March	29°F	45°F	36°F	1.5"
April	40°F	59°F	48°F	3.4"
May	50°F	70°F	60°F	2.9"
June	61°F	79°F	69°F	4.3"
July	65°F	82°F	73°F	3.9"
August	62°F	79°F	70°F	4.0"
September	54°F	73°F	63°F	3.4"
October	43°F	61°F	51°F	3.0"
November	31°F	47°F	38°F	1.0"
December	18°F	31°F	24°F	0.9"

The best places in Iowa

Here are the best places to live in Iowa

Check out the 10 safest cities in Iowa

Top 10 cities in Iowa with the best education system

10 Best cities in Iowa for employment

Decorah 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	Decorah	Iowa	National
Air quality index	35	39	42
Pollution index	530,484	1,154,535	2,726,193

Decorah air quality information

Measurement	Total
Days measured	365
Days with good air quality	310
Days with moderate air quality	55
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Decorah air quality information

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

Average monthly Decorah temperature with heat index

Decorah monthly precipitation with daily maximum

Decorah monthly snow depth with daily maximum

Decorah monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Castalia, IA	169	35	30.0%
Burr Oak, IA	200	35	30.0%
Ridgeway, IA	258	35	30.0%
Spillville, IA	427	39	22.0%
Fort Atkinson, IA	382	39	22.0%
Decorah, IA	7,615	35	30.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Pulaski, TN	7,614	27	46.0%
Comox Valley B (Lazo North), BC	7,614	n/a
Homeland, CA	7,613	89	78.0%
Ojai, CA	7,613	46	8.0%
Forestbrook, SC	7,613	14	72.0%
Decorah, IA	7,615	35	30.0%

Source: The Decorah, 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.