Rock Falls, IA Weather


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The most pleasant months of the year for Rock Falls are June, August and July. In Rock Falls, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Rock Falls with an average high temperature of 82.2°, which ranks it as one of the coolest places in Iowa. December is the snowiest month in Rock Falls with 9.8 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 - Rock Falls, IA

8 PM PST

Mostly Clear then Widespread Frost

39°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TonightMostly Clear then Widespread Frost30° / 51°WNW 8 mph
Friday NightMostly Clear29° / 48°WNW 12 to 22 mph
Saturday NightMostly Clear28° / 60°WNW 7 to 15 mph
Sunday NightMostly Clear34° / 62°WSW 7 to 13 mph
Monday NightShowers And Thunderstorms Likely42° / 57°SW 14 to 17 mph
Tuesday NightPartly Cloudy32° / 59°N 10 to 17 mph
Wednesday NightPartly Cloudy then Slight Chance Rain Showers38° / 61°SE 10 to 14 mph

Weather Highlights

Summer High: the July high is around 82 degrees
Winter Low: the January low is 7
Rain: averages 35 inches of rain a year
Snow: averages 39 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Rock Falls area is 9.1 (10=best), which means it is more comfortable than most places in Iowa.

9.1 / 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
January24°
February29° 11°
March41° 23°
April57° 35°
May69° 47°
June79° 57°
July82° 61°
August80° 58°
September73° 49°
October60° 37°
November43° 24°
December28° 11°
Hot, Freezing, Rainy, Snowy Days: Rock Falls
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03166
February02764
March02583
April011101
May01120
June20110
July4090
August2090
September1180
October01080
November02473
December03076

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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