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Overview
Annual precipitation in Overland Park averages 39.3 inches with temperatures near 54.7 F, so the area experiences a mix of wet spells and dry breaks.
The broader Kansas climate, including seasonal humidity peaks and storm activity, shapes the indoor moisture environment alongside local conditions.
Overland Park sees large temperature swings across seasons, so moisture risk shifts between winter condensation and humid summers.
Overland Park Code Compliance describes the inspection process for property maintenance issues.
This guide highlights local moisture drivers, seasonal risk, and prevention steps. For legal rights and landlord obligations, review the Kansas mold laws guide.
Sources: [Kansas Climate | Britannica] | [Overland Park Code Compliance] | [NOAA Climate Normals - KANSAS CITY INTL AP, MO US]
Action Checklist
Overland Park Home Inspection Checklist
Common construction types in Overland Park affect where moisture problems develop. Here is how local building patterns shape what to inspect.
In Overland Park, overland Park Code Compliance provides inspection and enforcement for property maintenance concerns.
Documenting moisture damage helps support follow up inspections.
Sources: [Overland Park Code Compliance]
- Around 39.3 inches of yearly precipitation in Overland Park warrants regular gutter, roof flashing, and drainage inspections.
- Roof flashing, gutters, and downspout extensions.
- Window sills and frames with condensation.
- Basement walls and sump pump pits.
- Bathroom fans and vent ducts.
- Laundry hoses and floor drains.
- Water heater pans and overflow lines.
- Kitchen cabinet bases around plumbing.
Sources: [EPA Mold, Moisture, and Your Home] | [NOAA Climate Normals - KANSAS CITY INTL AP, MO US]
Warning Signs of Mold in Overland Park
Watch for these signs that moisture is lingering in Overland Park homes and rentals:
- At an annual average of 54.7 F, Overland Park homes that show condensation on windows during warm months likely have an indoor moisture problem.
- Condensation that returns on windows each morning.
- Musty odors in basements or closets.
- Peeling paint near baseboards or window trim.
- Dark spotting near ceiling corners.
- Soft drywall around tubs or showers.
Sources: [EPA Mold, Moisture, and Your Home] | [NOAA Climate Normals - KANSAS CITY INTL AP, MO US]
Mold Risk Factors in Overland Park
These are the most common moisture drivers for homes and rentals in Overland Park:
- At about 39.3 inches of rain per year, Overland Park storm events and small leaks both matter.
- Cold snaps increase window condensation risk.
- Spring storms can deliver heavy rain that tests gutters and grading.
- Summer humidity slows drying after leaks.
- Large temperature swings stress roof flashing and seals.
- Plumbing leaks can linger in utility rooms.
Sources: [Kansas Climate | Britannica] | [EPA Mold, Moisture, and Your Home] | [NOAA Climate Normals - KANSAS CITY INTL AP, MO US]
Overland Park Seasonal Risk Calendar
Winter
Heating systems work most of the year at 54.7 F average. Ventilate consistently to prevent moisture buildup on cold surfaces.
Spring
Storms bring heavy rain. Check gutters and grading.
Summer
Cool summers still bring rain. Inspect roof edges after storms.
Fall
Cooling temperatures bring condensation in tight homes.
Sources: [Kansas Climate | Britannica] | [NOAA Climate Normals - KANSAS CITY INTL AP, MO US]
Overland Park Moisture Playbook
Use this short playbook to stay ahead of common moisture problems in Overland Park.
After a Leak
Stop the source, remove wet materials, and dry the area within 24 to 48 hours.
Monthly Maintenance
Check under sinks, clear condensate lines, and monitor indoor humidity.
Seasonal Tune Up
Before storm season, clear gutters and inspect flashing; about 39.3 inches of annual precipitation means small leaks can add up.
Sources: [EPA Mold, Moisture, and Your Home] | [NOAA Climate Normals - KANSAS CITY INTL AP, MO US]
Mold Prevention in Overland Park
Use these priorities to keep indoor humidity low and avoid recurring growth:
- Annual rainfall near 39.3 inches makes gutter maintenance and proper downspout drainage a top prevention priority.
- Maintain indoor humidity between 30 and 50 percent.
- Dry wet materials within 24 to 48 hours.
- Vent bathrooms and kitchens outdoors.
- Inspect roof flashing and gutters before storm seasons.
- Check basements after heavy rain.
- Service HVAC condensate drains annually.
Sources: [EPA Mold, Moisture, and Your Home] | [NOAA Climate Normals - KANSAS CITY INTL AP, MO US]
State Laws and Rights
Kansas mold law snapshot
Kansas does not have a mold-specific statute, but habitability rules still apply.
Under K.S.A. 58-2553, Kansas landlords must comply with applicable building and housing codes materially affecting health and safety, maintain common areas in a safe condition, keep all electrical, plumbing, sanitary, heating, ventilating, and air-conditioning systems in good and safe working order, provide adequate waste removal facilities, and supply running water, reasonable amounts of hot water, and reasonable heat. The implied warranty of habitability, established in Steele v. Latimer (1974) and codified in K.S.A. 58-2553, requires landlords to provide housing that is fundamentally decent, safe, and sound.
Use the full Kansas guide for tenant rights, landlord responsibilities, and remedies.