Alexander County, located in the southernmost part of Illinois, experiences a humid subtropical climate with distinct seasons. The county’s weather is influenced by its proximity to the Mississippi River and the surrounding terrain. Here’s a detailed breakdown of the weather by month in Alexander County:
January: January marks the heart of winter in Alexander County. Average high temperatures during the day range from 41°F (5°C) to 46°F (8°C), while nighttime lows can drop to 24°F (-4°C) to 29°F (-2°C). The region experiences occasional snowfall, with an average snow accumulation of about 3 inches. January is one of the colder months, and residents may experience frosty mornings. Winter activities such as sledding and ice fishing are popular during this time. Check Proexchangerates for climate in Aurora, Illinois.
February: February continues the winter conditions in Alexander County. Average high temperatures reach around 46°F (8°C), and lows are in the range of 27°F (-3°C) to 32°F (0°C). The region experiences a gradual warming trend as it transitions from winter to early spring. February is still relatively cool, and occasional snowfall may occur, with an average accumulation of about 3 inches. While winter persists, signs of the approaching spring become more evident.
March: March marks the official transition from winter to spring in Alexander County. Average high temperatures increase to around 55°F (13°C), and lows are in the range of 34°F (1°C) to 39°F (4°C). The region experiences an increase in precipitation, with an average of about 4 inches. Spring blooms begin to emerge, and the landscape becomes greener. March is a month of changing weather patterns, with some days feeling more like winter and others hinting at the warmth of spring.
April: April brings milder spring temperatures to Alexander County. Average highs reach around 65°F (18°C), and lows are in the range of 43°F (6°C) to 49°F (9°C). The region experiences further signs of spring, with trees in full bloom and the emergence of flowers. April is one of the wetter months, with an average precipitation of about 5 inches. Showers become more frequent, and occasional thunderstorms can occur, contributing to the greening of the surroundings.
May: May marks the onset of warmer temperatures as Alexander County transitions from spring to early summer. Average high temperatures climb to around 74°F (23°C), and lows range from 53°F (12°C) to 58°F (14°C). The region experiences a significant increase in precipitation, with an average of about 5 inches. May is characterized by longer days, and the landscape becomes lush and green. Outdoor activities become popular as residents and visitors take advantage of the warm weather.
June: June heralds the official start of summer in Alexander County. Average high temperatures peak at around 83°F (28°C), and lows are in the range of 62°F (17°C) to 67°F (19°C). Summer in the county is characterized by warm and humid conditions. June is one of the wetter months, with an average precipitation of about 4 inches. Afternoon thunderstorms become more frequent, providing relief from the summer heat and contributing to overall rainfall.
July: July is typically the hottest month in Alexander County, with average high temperatures reaching around 88°F (31°C). Lows range from 68°F (20°C) to 72°F (22°C). The region experiences peak summer conditions, with high temperatures and high humidity levels. July is one of the wettest months, with an average precipitation of about 4 inches. Afternoon thunderstorms continue to be common, providing occasional relief from the summer heat.
August: August continues the hot and humid conditions of summer. Average high temperatures remain around 88°F (31°C), and lows are in the range of 68°F (20°C) to 72°F (22°C). While August is still warm, there is a gradual transition towards fall. The region experiences a decrease in precipitation compared to July, but afternoon thunderstorms can still occur. August is characterized by the continuation of summer activities and outdoor events.
September: As summer transitions to fall, September brings slightly milder temperatures to Alexander County. Average highs drop to around 80°F (27°C), and lows are in the range of 60°F (16°C) to 65°F (18°C). The humidity starts to decrease, and the region experiences drier conditions. September is one of the wetter months, with an average precipitation of about 4 inches. The landscape begins to show signs of fall, with some trees starting to change color.
October: October marks the onset of fall in Alexander County. Average high temperatures decrease to around 70°F (21°C), and lows range from 50°F (10°C) to 55°F (13°C). The region experiences a decrease in humidity, and the weather becomes more comfortable for outdoor activities. October is one of the wetter months, with an average precipitation of about 4 inches. Fall foliage becomes more pronounced, and outdoor events take advantage of the pleasant weather.
November: November brings cooler temperatures as fall progresses. Average highs are around 56°F (13°C), and lows are in the range of 37°F (3°C) to 42°F (6°C). The region experiences a further decrease in humidity, and the weather becomes cooler and crisper. November is one of the wetter months, with an average precipitation of about 5 inches. Fall foliage reaches its peak, and the landscape showcases a mix of red, orange, and yellow hues.
December: December marks the beginning of winter in Alexander County. Average high temperatures hover around 45°F (7°C), and lows can drop to 28°F (-2°C) to 33°F (1°C). While winters are relatively mild compared to northern regions, December is one of the cooler months. December is one of the wetter months, with an average precipitation of about 4 inches. The county’s landscapes may not be covered in snow, but residents start to embrace winter activities and the festive atmosphere of the holiday season.
In summary, Alexander County, Illinois, experiences a humid subtropical climate with distinct seasons. Winters are relatively mild, springs are pleasant with blossoming flowers, summers are warm and humid with frequent afternoon thunderstorms, and falls bring milder temperatures and vibrant foliage. The county’s climate provides residents and visitors with a mix of outdoor activities and seasonal changes throughout the year.