Hillsboro, IL Weather


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United States / Illinois / No Metro Area / Montgomery County / Hillsboro / Zip Codes

The most pleasant months of the year for Hillsboro are September, May and June. In Hillsboro, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Hillsboro with an average high temperature of 87.4°, which ranks it as warmer than most places in Illinois. January is the snowiest month in Hillsboro with 5.3 inches of snow, and 4 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 - Hillsboro, IL

7 PM PST

Partly Cloudy

49°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TonightPartly Cloudy38° / 54°NW 5 to 9 mph
Saturday NightMostly Cloudy then Areas Of Frost35° / 58°NW 5 to 10 mph
Sunday NightClear37° / 64°W 5 to 9 mph
Monday NightMostly Cloudy48° / 67°S 17 mph
Tuesday NightShowers And Thunderstorms Likely then Chance Showers And Thunderstorms44° / 63°NW 10 to 17 mph
Wednesday NightPartly Cloudy41° / 64°NE 10 mph
Thursday NightChance Rain Showers48° / 67°SE 15 mph

Weather Highlights

Summer High: the July high is around 87 degrees
Winter Low: the January low is 20
Rain: averages 40 inches of rain a year
Snow: averages 15 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Hillsboro area is 8 (10=best), which means it is more comfortable than most places in Illinois.

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
January36° 20°
February42° 24°
March53° 33°
April66° 43°
May75° 53°
June84° 63°
July87° 66°
August87° 64°
September80° 55°
October68° 44°
November54° 35°
December40° 24°
Hot, Freezing, Rainy, Snowy Days: Hillsboro
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January02673
February02272
March01691
April04100
May10110
June6090
July10080
August9070
September3060
October0480
November01390
December02482

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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