Altona, IL Weather


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The most pleasant months of the year for Altona are September, June and August. In Altona, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Altona with an average high temperature of 84.2°, which ranks it as cooler than most places in Illinois. January is the snowiest month in Altona with 7.2 inches of snow, and 5 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 - Altona, IL

8 AM PST

Rain Showers Likely then Chance Showers And Thunderstorms

64°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TodayRain Showers Likely then Chance Showers And Thunderstorms73° / 59°S 14 to 17 mph
MondayChance Showers And Thunderstorms69° / 49°WSW 13 to 20 mph
TuesdaySunny78° / 59°S 6 to 13 mph
WednesdayChance Rain Showers81° / 63°W 12 mph
ThursdayShowers And Thunderstorms Likely then Chance Showers And Thunderstorms78° / 58°S 14 to 18 mph
FridayChance Showers And Thunderstorms69° / 47°W 15 mph
SaturdaySlight Chance Showers And Thunderstorms66° / 47°W 14 to 18 mph

Weather Highlights

Summer High: the July high is around 84 degrees
Winter Low: the January low is 13
Rain: averages 37 inches of rain a year
Snow: averages 24 inches of snow a year


BESTPLACES COMFORT INDEX

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

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° 13°
February35° 17°
March48° 27°
April62° 38°
May72° 49°
June81° 59°
July84° 63°
August82° 61°
September76° 52°
October64° 40°
November49° 29°
December34° 17°
Hot, Freezing, Rainy, Snowy Days: Altona
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January02974
February02673
March02291
April07100
May10110
June20110
July5090
August3090
September1080
October0690
November01980
December02884

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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