| Climate Summary (made with AI, use with caution)
 | | Countryside, IL Climate Summary Temperature     •   Average annual temperature: 50.4°F (10.2°C)•   Average January temperature: 26.2°F (-3.2°C)
 •   Average July temperature: 75.3°F (24.1°C)
 •   Record high temperature: 110°F (43.3°C)
 •   Record low temperature: -27°F (-32.8°C)
 Precipitation     •   Average annual precipitation: 36.02 inches (915 mm)•   Average number of rainy days: 107
 •   Average snowfall: 29.7 inches (75.4 cm)
 •   Record 24-hour rainfall: 7.56 inches (192 mm)
 •   Record snowfall: 21.3 inches (54.1 cm)
 Humidity     •   Average annual relative humidity: 73%•   Average daily maximum relative humidity: 85%
 •   Average daily minimum relative humidity: 59%
 Wind     •   Average annual wind speed: 10.5 mph (16.9 km/h)•   Average daily maximum wind speed: 14.3 mph (23 km/h)
 •   Average daily minimum wind speed: 6.7 mph (10.8 km/h)
 •   Record wind gust: 75 mph (121 km/h)
 Sunshine     •   Average annual sunshine: 2,500 hours•   Average daily sunshine: 6.8 hours
 •   Percentage of possible sunshine: 60%
 Climate Type     •   Humid continental climate (Köppen climate classification: Dfa) Climate Summary Countryside, Illinois has a humid continental climate with hot, humid summers and cold, snowy winters. The average annual temperature is 50.4°F (10.2°C). The average January temperature is 26.2°F (-3.2°C), and the average July temperature is 75.3°F (24.1°C). The record high temperature is 110°F (43.3°C), and the record low temperature is -27°F (-32.8°C). The average annual precipitation is 36.02 inches (915 mm). The average number of rainy days is 107. The average snowfall is 29.7 inches (75.4 cm). The record 24-hour rainfall is 7.56 inches (192 mm), and the record snowfall is 21.3 inches (54.1 cm). The average annual relative humidity is 73%. The average daily maximum relative humidity is 85%, and the average daily minimum relative humidity is 59%. The average annual wind speed is 10.5 mph (16.9 km/h). The average daily maximum wind speed is 14.3 mph (23 km/h), and the average daily minimum wind speed is 6.7 mph (10.8 km/h). The record wind gust is 75 mph (121 km/h). The average annual sunshine is 2,500 hours. The average daily sunshine is 6.8 hours. The percentage of possible sunshine is 60%. Countryside, Illinois is located in USDA Plant Hardiness Zone 5b. This means that the average annual minimum temperature is between -15°F and -10°F (-26.1°C and -23.3°C). | 
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 | Facts & Historical Information (made with AI, use with caution)
 Tourist Attractions| | Natural History     •   Countryside is home to the 3,500-acre Waterfall Glen Forest Preserve, a remnant of the vast oak-hickory forest that once covered the Midwest.     •   The preserve features a 12-foot waterfall, cascading creeks, and diverse flora and fauna, including bald eagles, coyotes, and white-tailed deer. Science     •   Countryside is the birthplace of the Fermi National Accelerator Laboratory (Fermilab), a world-renowned particle physics research facility.     •   Fermilab is home to the Tevatron, which was once the world's most powerful particle accelerator.     •   The laboratory has made significant contributions to our understanding of the universe, including the discovery of the top quark and the Higgs boson. Personalities     •   Countryside was the home of renowned scientist Enrico Fermi, who led the Manhattan Project to develop the atomic bomb.     •   The town is also associated with physicist Edward Teller, known as the \ | 
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 Nearby Cities:| | 1.Brookfield Zoo is a world-renowned zoo that is home to over 450 species of animals. The zoo is located in Brookfield, Illinois, which is just a short drive from Countryside. 2.The Morton Arboretum is a 1,700-acre arboretum that is home to over 4,000 species of trees. The arboretum is located in Lisle, Illinois, which is just a short drive from Countryside. 3.The Field Museum of Natural History is a world-renowned museum that is home to over 20 million specimens. The museum is located in Chicago, Illinois, which is just a short drive from Countryside. | 
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