Rock Valley, Iowa 

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United States / Iowa / No Metro Area / Sioux County / Rock Valley / Zip Codes

Weather in Rock Valley, Iowa

The most pleasant months of the year for Rock Valley are September, June and August. In Rock Valley, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Rock Valley with an average high temperature of 84.7°, which ranks it as warmer than most places in Iowa. December is the snowiest month in Rock Valley with 8.1 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 - Rock Valley, IA

3 PM PST

Sunny

53°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
This AfternoonSunny54° / 31°NW 15 mph
MondayMostly Sunny59° / 40°ESE 0 to 10 mph
TuesdaySlight Chance Light Rain57° / 44°SE 5 to 15 mph
WednesdayChance Rain59° / 43°SSW 10 mph
ThursdayChance Light Rain53° / 36°E 10 to 15 mph
FridayChance Light Rain46° / 29°NW 10 to 15 mph
SaturdayMostly Sunny48° / 33°WNW 5 to 10 mph

Weather Highlights

Summer High: the July high is around 85 degrees
Winter Low: the January low is 8
Rain: averages 28 inches of rain a year
Snow: averages 33 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Rock Valley area is 6.9 (10=best), which means it is more comfortable than most places in Iowa.

6.9 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7. 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
January28°
February33° 13°
March45° 24°
April61° 36°
May73° 48°
June81° 58°
July85° 63°
August82° 60°
September76° 50°
October62° 37°
November45° 24°
December30° 11°
Hot, Freezing, Rainy, Snowy Days: Rock Valley
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03144
February02743
March02562
April01191
May11110
June40100
July6080
August4080
September1180
October0970
November02352
December03054

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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ZIP CODES IN ROCK VALLEY, IOWA
51247

NEW LISTINGS IN ROCK VALLEY
$235,000
801 21st Ave
Bed 3 | Bath 3

$425,000
911 8th St SW
Bed 5 | Bath 4

$259,500
830 18th Pl
Bed 3 | Bath 3

$189,000
1411 12th St
Bed 5 | Bath 3


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