O'Fallon
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O'Fallon Weather in February

February in O'Fallon averages 6°C (43°F) during the day and -5°C (23°F) at night. Around 59 mm (2.3 in) of snow/rainfall is typical for this time of year.

Rainfall in O'Fallon in February

Looking at the last 30 years, the data shows about 9 days with snow/rain, averaging 59 mm (2.3 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in O'Fallon in February

If you're visiting O'Fallon in February, expect highs of 6°C (43°F) and overnight lows around -5°C (23°F). February is in the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights drop below freezing to -5°C (23°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.

Sunshine in O'Fallon in February

You can expect a moderate amount of sunlight, with approximately 159 hours. This means a pleasant mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. October typically offers the best weather for O'Fallon.

O'Fallon Temperature in February

Min Temperature
-5°C (23°F)
Max Temperature
6°C (43°F)
Chance of Rain
30%
Precipitation
59 mm (2.3 in)
Rainy days
9 days
Humidity
72% *
Sunshine
159 hours *
Percentage Sunshine
53% *
* Data from: St. Louis, the United States of America (25 KM, 15 Miles).

O'Fallon Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in O'Fallon - and find the best time to visit.

Best Places in the United States of America in February

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in February →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in O'Fallon in February

We recommend to layer up for chilly conditions in O'Fallon in February. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in O'Fallon in February

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    3/10
  • Walking
    3/10
  • Camping
    1/10
  • Outdoor sports
    3/10

O'Fallon 3-Day Forecast

Popular in February

Where to go in February - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.