What's the weather in O'Fallon, Illinois like?
What's the weather in O'Fallon, Illinois like in January?
In January, O'Fallon, Illinois experiences cold and chilly weather. The average high temperature during this month is around 39°F (4°C), while the average low temperature drops to approximately 21°F (-6°C).
Snowfall and freezing temperatures are common in January. It is recommended to wear warm clothing and be prepared for winter conditions if you visit during this time of the year.
What's the weather in O'Fallon, Illinois like in February?
In February, O'Fallon, Illinois experiences cold and often snowy weather. The average high temperatures range from 38°F (3°C) to 45°F (7°C), while the average low temperatures range from 20°F (-6°C) to 27°F (-3°C).
It is also common for the area to receive significant amounts of snowfall during this month.
What's the weather in O'Fallon, Illinois like in March?
In March, the weather in O'Fallon, Illinois, is generally transitionary from winter to spring. The average high temperature ranges from around 50°F (10°C) to 60°F (15°C), while the average low temperature hovers between 30°F (-1°C) and 40°F (4°C).
It can still be quite chilly early in the month, but as it progresses, temperatures tend to gradually increase. However, fluctuations are common during this time of year, so there may be occasional colder or warmer days.
Additionally, March also tends to receive moderate rainfall with occasional snow showers possible at the beginning of the month.
What's the weather in O'Fallon, Illinois like in April?
The typical weather in O'Fallon, Illinois in April is generally mild with gradual warming temperatures. In early April, the average high temperature ranges between 59°F (15°C) and 64°F (18°C), while the average low temperature ranges between 38°F (3°C) and 44°F (7°C).
As the month progresses, the temperatures tend to increase with highs ranging from 68°F (20°C) to 75°F (24°C) and lows ranging from 47°F (8°C) to 52°F (11°C). April also experiences a moderate amount of rainfall with an average precipitation of about 3.5 inches.
However, it's important to note that weather variations can occur, so it's always advisable to check a reliable local forecast for accurate information closer to your specific date of interest.
What's the weather in O'Fallon, Illinois like in May?
In O'Fallon, Illinois, May tends to have mild temperatures with occasional fluctuations. The average high temperature in May is around 75°F (24°C), while the average low temperature drops to about 55°F (13°C).
The region experiences gradual warming throughout the month, and by late May, temperatures can reach into the 80s°F (around 27-32°C). Humidity levels also start to increase as summer approaches.
Rainfall is moderate in May, with an average of about 4 inches (10 cm) spread across the month. It is always recommended to check a reliable weather forecast closer to the specific dates for more accurate information.
What's the weather in O'Fallon, Illinois like in June?
In O'Fallon, Illinois, the typical weather in June is warm and humid. The average high temperature during this month ranges from 82°F (28°C) to 88°F (31°C), while the average low temperature varies between 59°F (15°C) and 68°F (20°C).
It is a fairly wet season with around 4 inches of rainfall on average. Thunderstorms are common during this time of year as well.
What's the weather in O'Fallon, Illinois like in July?
The typical weather in O'Fallon, Illinois in July is warm and humid. The average high temperature ranges from 85°F (29°C) to 89°F (32°C), while the average low temperatures range from 65°F (18°C) to 70°F (21°C).
It is a summer month with occasional thunderstorms and rainfall.
What's the weather in O'Fallon, Illinois like in August?
August in O'Fallon, Illinois typically experiences warm and humid weather with temperatures ranging from 70°F (21°C) to 90°F (32°C). The average high temperature is around 86°F (30°C), while the average low temperature is around 67°F (19°C).
It's common to have a mix of sunny and partly cloudy days during this time of the year, with occasional thunderstorms. The humidity level tends to be high, making the weather feel hotter than it actually is.
What's the weather in O'Fallon, Illinois like in September?
In O'Fallon, Illinois, the weather in September is usually warm and pleasant. The average high temperature ranges from around 80°F (27°C) to 85°F (29°C), with some sporadic hot days reaching up to 90°F (32°C).
The evenings are milder with average low temperatures ranging from 55°F (13°C) to 60°F (16°C). September in O'Fallon generally experiences moderate rainfall, and there may be occasional thunderstorms or showers during this month.
What's the weather in O'Fallon, Illinois like in October?
In October, O'Fallon, Illinois typically has mild and pleasant weather. The average high temperature during the day ranges from around 62°F (16°C) to 70°F (21°C), while the average low temperature at night varies from approximately 42°F (6°C) to 50°F (10°C).
The fall season brings comfortable temperatures with less humidity compared to the summer months. It's worth noting that weather can vary yearly, so it's advisable to check a local forecast for more accurate information when planning specific activities or events.
What's the weather in O'Fallon, Illinois like in November?
In O'Fallon, Illinois, the weather in November is generally cool to cold. The average high temperature during this month ranges from around 49°F (9°C) to 58°F (14°C), while the average low temperature usually falls between 33°F (1°C) and 41°F (5°C).
November experiences a gradual decrease in temperatures as winter approaches. It is also common for rain showers to occur throughout the month, along with occasional snowfall towards the end of November.
It's advisable to layer clothing and keep an umbrella handy if visiting O'Fallon during this time of year.
What's the weather in O'Fallon, Illinois like in December?
The typical weather in O'Fallon, Illinois during December is cold and moderate. The average high temperature ranges from 39°F (4°C) to 45°F (7°C), while the average low temperature ranges from 23°F (-5°C) to 30°F (-1°C).
It is often cloudy with a chance of rainfall or snowfall. Additionally, December experiences shorter daylight hours with sunset occurring around 4:45 pm.