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Overview
Annual precipitation in Brookings averages 25.2 inches with temperatures near 43.3 F, so the area limited rainfall with seasonal storm spikes.
The broader South Dakota climate, including seasonal humidity peaks and storm activity, shapes the indoor moisture environment alongside local conditions.
Brookings has cold winters and warm summers with frequent storms, so moisture risk shifts through the year.
Brookings Code Enforcement provides code compliance and nuisance enforcement services.
This guide highlights local moisture drivers, seasonal risk, and prevention steps. For legal rights and landlord obligations, review the South Dakota mold laws guide.
Sources: [South Dakota - Climate | Britannica] | [Brookings Code Enforcement] | [NOAA Climate Normals - BROOKINGS 2 NE, SD US]
Action Checklist
Brookings Home Inspection Checklist
Common construction types in Brookings affect where moisture problems develop. Here is how local building patterns shape what to inspect.
In Brookings, code Enforcement provides compliance and nuisance enforcement services.
Documenting moisture issues helps support inspection follow up.
Sources: [Brookings Code Enforcement]
- Roughly 25.2 inches of annual rain in Brookings means gutter maintenance and drainage checks should be part of the routine.
- Roof flashing, gutters, and downspout extensions.
- Attic insulation and ventilation near eaves.
- Basement walls, sump pits, and floor drains.
- Window frames and sills with condensation.
- Bathroom exhaust fans and vent ducts.
- Water heater pans and HVAC condensate lines.
- Under sink plumbing and cabinet bases.
Sources: [EPA Mold, Moisture, and Your Home] | [NOAA Climate Normals - BROOKINGS 2 NE, SD US]
Warning Signs of Mold in Brookings
Watch for these signs that moisture is lingering in Brookings homes and rentals:
- In Brookings, condensation on cold windows during long heating months (annual average about 43.3 F) is an early moisture signal.
- Musty odors after snowmelt or heavy rain.
- Condensation that returns on windows each morning.
- 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 - BROOKINGS 2 NE, SD US]
Mold Risk Factors in Brookings
These are the most common moisture drivers for homes and rentals in Brookings:
- Brookings averages 25.2 inches of precipitation per year, so storm events and small leaks both matter.
- Snow and ice dams can leak into attic edges.
- Freeze thaw cycles stress roof flashing and exterior joints.
- Spring snowmelt can keep basements damp.
- Summer thunderstorms bring heavy rain and higher humidity.
- Cold snaps drive window condensation in tight homes.
Sources: [South Dakota - Climate | Britannica] | [EPA Mold, Moisture, and Your Home] | [NOAA Climate Normals - BROOKINGS 2 NE, SD US]
Brookings Seasonal Risk Calendar
Winter
With annual temperatures near 43.3 F, heating runs for months. Watch for condensation on windows, pipes, and exterior walls.
Spring
Thaw and rain keep basements damp. Check sump pumps.
Summer
Cool summers still bring rain. Inspect roof edges after storms.
Fall
Temperature swings return. Recheck roof edges and window seals.
Sources: [South Dakota - Climate | Britannica] | [NOAA Climate Normals - BROOKINGS 2 NE, SD US]
Brookings Moisture Playbook
Use this short playbook to stay ahead of common moisture problems in Brookings.
After a Leak
Stop the leak, remove wet materials within 24 to 48 hours, and dry the area with airflow.
Monthly Maintenance
Inspect under sinks, clear condensate lines, and log basement humidity.
Seasonal Tune Up
Before storm season, clear gutters and inspect flashing; about 25.2 inches of annual precipitation means small leaks can add up.
Sources: [EPA Mold, Moisture, and Your Home] | [NOAA Climate Normals - BROOKINGS 2 NE, SD US]
Mold Prevention in Brookings
Use these priorities to keep indoor humidity low and avoid recurring growth:
- Gutters and downspouts need regular clearing to handle 25.2 inches of yearly precipitation and keep water away from the foundation.
- Maintain indoor humidity between 30 and 50 percent.
- Dry wet materials within 24 to 48 hours.
- Vent bathrooms and kitchens outdoors.
- Clear gutters and direct downspouts away from foundations.
- Inspect roof flashing and window seals before storm seasons.
- Service HVAC condensate drains annually.
Sources: [EPA Mold, Moisture, and Your Home] | [NOAA Climate Normals - BROOKINGS 2 NE, SD US]
State Laws and Rights
South Dakota mold law snapshot
South Dakota does not have a mold-specific statute, but habitability rules still apply.
Under SDCL Section 43-32-8, landlords must keep rental premises in reasonable repair and fit for human habitation, including the maintenance of all electrical, plumbing, and heating systems. This requirement applies except for damage caused by the tenant's fault. The warranty of habitability cannot be waived or modified by the parties to the rental agreement - this "implied" requirement applies whether or not the lease agreement specifically says so and even if the lease tries to waive the obligation. While mold is not specifically mentioned, conditions that promote mold growth (such as plumbing leaks, inadequate ventilation, or water intrusion) would violate these habitability standards.
Use the full South Dakota guide for tenant rights, landlord responsibilities, and remedies.