Knoxville, IA Weather


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United States / Iowa / No Metro Area / Marion County / Knoxville / Zip Codes

The most pleasant months of the year for Knoxville are September, June and August. In Knoxville, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Knoxville with an average high temperature of 84.8°, which ranks it as warmer than most places in Iowa. December is the snowiest month in Knoxville with 7.9 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Today's Weather - Knoxville, IA

8 AM PST

Mostly Sunny

47°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TodayMostly Sunny57° / 32°WNW 14 to 22 mph
SaturdayMostly Sunny51° / 31°NW 10 to 15 mph
SundayWidespread Frost then Sunny59° / 36°WNW 6 to 10 mph
MondayMostly Sunny then Chance Rain Showers65° / 48°SSW 9 to 21 mph
TuesdayChance Showers And Thunderstorms65° / 37°WNW 15 to 18 mph
WednesdaySunny61° / 41°ENE 12 mph
ThursdayChance Rain Showers62° / 47°SE 14 to 17 mph

Weather Highlights

Summer High: the July high is around 85 degrees
Winter Low: the January low is 12
Rain: averages 37 inches of rain a year
Snow: averages 28 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Knoxville area is 8.7 (10=best), which means it is more comfortable than most places in Iowa.

8.7 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January31° 12°
February36° 17°
March48° 27°
April62° 39°
May71° 51°
June80° 60°
July85° 65°
August83° 63°
September76° 53°
October63° 41°
November48° 29°
December34° 17°
Hot, Freezing, Rainy, Snowy Days: Knoxville
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03054
February02663
March02272
April0790
May01110
June10100
July6090
August4080
September1080
October0580
November01871
December02964

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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