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Hotels in O'Fallon

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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
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Our prices for O'Fallon are cheapest in December

See average prices and weather for all months
Price trends for hotels in O'Fallon
Pricing is based on two traveller single night rates
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Currently viewing crowd sizes and weather for December.
Weather forecast for O'Fallon
December
trending_downLow crowds
High 7°C / low 0°C. Partly sunny.
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31°
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July, Moderate crowds, average high temperature 31 degrees Celsius, average low temperature 21 degrees Celsius. Sunny most days.
21°
30°
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August, Low crowds, average high temperature 30 degrees Celsius, average low temperature 20 degrees Celsius. Sunny most days.
20°
27°
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September, Moderate crowds, average high temperature 27 degrees Celsius, average low temperature 16 degrees Celsius. Sunny most days.
16°
20°
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October, High crowds, average high temperature 20 degrees Celsius, average low temperature 10 degrees Celsius. Sunny most days.
10°
13°
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November, Moderate crowds, average high temperature 13 degrees Celsius, average low temperature 4 degrees Celsius. Partly sunny.
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December, Low crowds, average high temperature 7 degrees Celsius, average low temperature 0 degrees Celsius. Partly sunny.
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January, Low crowds, average high temperature 4 degrees Celsius, average low temperature -4 degrees Celsius. Cloudy most days.
-4°
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February, Low crowds, average high temperature 6 degrees Celsius, average low temperature -3 degrees Celsius. Partly sunny.
-3°
13°
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March, Moderate crowds, average high temperature 13 degrees Celsius, average low temperature 3 degrees Celsius. Partly sunny.
18°
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April, High crowds, average high temperature 18 degrees Celsius, average low temperature 8 degrees Celsius. Sunny most days.
24°
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May, High crowds, average high temperature 24 degrees Celsius, average low temperature 14 degrees Celsius. Sunny most days.
14°
29°
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June, High crowds, average high temperature 29 degrees Celsius, average low temperature 19 degrees Celsius. Sunny most days.
19°
Monthly weather averages (˚C)

Top landmarks in O'Fallon

Scott Air Force Base

Scott Air Force Base

Scott Air Force Base is worth a visit, located 0.9 mi (1.4 km) from central Scott Air Force Base.

O'Fallon Family Sports Park

O'Fallon Family Sports Park

O'Fallon Family Sports Park is 1.3 mi (2 km) from central O'Fallon, why not stop by during your stay? Want to stretch your legs a little more? Head to Pleasant Ridge Park and Shiloh Dog Park, both nearby.

St. Clair Bowl

St. Clair Bowl

St. Clair Bowl is 2.6 mi (4.2 km) from central Fairview Heights, why not stop by during your stay? Fairview Heights has other activities that you might want to enjoy, such as Busch Stadium.

Learn more about O'Fallon

Notable for its sports, O'Fallon features attractions such as O'Fallon Family Sports Park and St. Clair Bowl. This family-friendly city's sights include Scott Air Force Base and visitors speak highly of the local restaurants.

Photo by Laila in the World
Open Photo by Laila in the World

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Frequently asked questions

Can I book a refundable accommodation option in O'Fallon?
If you want the flexibility to change your plans to O'Fallon, most hotels offer refundable* rates that you can book. You can find this accommodation by searching our site and using the "fully refundable" filter to narrow the results down.
What will the weather in O'Fallon be like during my visit?
July and August are typically the warmest months in O'Fallon, when the average temperature is 24°C. January and February are the coldest months, when the average temperature is 3°C. April and May are the months with the most rain.
Why should I book my O'Fallon hotel with Hotels.com?
There are lots of reasons to book your O'Fallon trip with us: our free cancellations on selected hotels* gives you flexibility, our Price Guarantee ensures that you always get the lowest price, and you can earn rewards on every booking.