Shelby County, IA Weather


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United States / Iowa / No Metro Area / Shelby County / Cities / Zip Codes

The most pleasant months of the year for Shelby County are September, June and August. In Shelby County, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Shelby County with an average high temperature of 84.4°, which ranks it as about average compared to other places in Iowa. December is the snowiest month in Shelby County with 7.6 inches of snow, and 7 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 - Shelby, IA

10 AM PST

Slight Chance Rain Showers

47°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
This AfternoonSlight Chance Rain Showers54° / 30°NNW 13 to 17 mph
FridaySunny54° / 28°W 6 to 14 mph
SaturdayMostly Sunny48° / 27°NW 9 to 14 mph
SundaySunny57° / 37°W 6 to 12 mph
MondayChance Rain Showers63° / 41°S 13 to 21 mph
TuesdayChance Rain Showers then Mostly Sunny61° / 36°NW 17 mph
WednesdayMostly Sunny then Slight Chance Rain Showers63° / 44°ESE 9 to 14 mph

Weather Highlights

Summer High: the July high is around 84 degrees
Winter Low: the January low is 10
Rain: averages 34 inches of rain a year
Snow: averages 30 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Shelby County area is 8.8 (10=best), which means it is more comfortable than most places in Iowa.

8.8 / 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
January30° 10°
February35° 15°
March48° 25°
April61° 37°
May72° 49°
June81° 59°
July84° 64°
August83° 61°
September76° 51°
October63° 39°
November47° 26°
December32° 14°
Hot, Freezing, Rainy, Snowy Days: Shelby
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03154
February02754
March02482
April010101
May11120
June30110
July6090
August4080
September1180
October0880
November02262
December03064

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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