OVERALL LIVING SCOREB-
The Brutal Truth About Relocating to O'Fallon, MO
Thinking of moving to O'Fallon? Here is your comprehensive relocation weather guide, based on a 30-year historical climate analysis. Here's what it's like to live in O'Fallon.
🥵 THE MISERY INDEXGrade C
30-Year Historical Average
Avg Days Over 90°F30 (8%)
Avg Days Under 32°F79 (22%)
Wet/Rainy Days83 (23%)
☁️ SEASONAL DEPRESSIONGrade A
30-Year Historical Average
Clear Sun Days254 (70%)
Gloomy Overcast Days50 (14%)
Avg Solar Energy Potential4.31 kWh/m²
🏡 HOMEOWNER NIGHTMARESGrade D
Utility & Damage Risk Averages
Heating Demand (HDD)4437 (Avg)
Cooling Demand (CDD)1583 (Avg)
Days w/ 40mph+ Gusts10 (3%)
🌱 YARD & GARDENGrade B
30-Year Agricultural Averages
Avg Frost-Free Days225 Days
Avg Last Spring FreezeApr 1
Avg First Fall FreezeNov 13
Yearly Water Demand43.3"
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