What to clean and when in a Greensboro home, based on a pollen season that starts in late February, a muggy July, a wet September and fall insects at the windows.
The Piedmont gets all four seasons without many extremes, and that makes a yearly cleaning plan pretty easy to follow. Winters are short, spring is pretty but dusty with pollen, summers are heavy and fall is the reward. Each one is good for certain jobs and bad for others.
The numbers below come from NOAA normals at Piedmont Triad International Airport, North Carolina's air quality division and NC State Extension. Use this as your own checklist or to time a professional visit.
Greensboro averages about 68 nights a year at or below freezing and 7.1 inches of snow, most of it now, with about 5 days of at least an inch on the ground. That leaves plenty of time for inside jobs, such as closet shelves, door frames, the tops of cabinets and the space behind the sofa. Change the furnace filter and vacuum the vents.
Ice is the thing to be ready for. In the January 13, 2019 storm, the National Weather Service logged reports of multiple trees and power lines down in the northern and western parts of the city. Keep flashlights and batteries where you can find them, keep the refrigerator clean and uncluttered so an outage costs less, and put down a boot tray at the first sign of bad weather.
North Carolina's pollen sampler starts up in late February, and the air shows it soon after. The 2026 Allergy Capitals report gave the area a score of 90.39, against an average of 80.63. When the yellow film appears on the car, wash blinds and curtains, wipe tracks and sills and replace the air filter. Shoes stay at the door from now on, because pollen and clay both come in on them.
Later in spring, when the worst of the tree pollen is over, is a good time for a One-Time Deep Clean. Do it before the air turns sticky. It is also time to deal with the damp spots. NC State Extension says camel crickets favor crawlspaces, basements, garages, bathrooms and laundry rooms, so wipe those floors and fix leaks ahead of summer.
July is the warmest month, with a normal high of 88.5 and a normal low of 69.3. About 33 days a year reach 90 or hotter, and dew points near 67 in July and 66 in August make everything slow to dry. Run bathroom fans during and after showers and squeegee the glass. Keep the air conditioning running while you are away, so damp air does not sit in closed rooms.
Vacuum the vents, wipe ceiling fan blades and change filters on schedule. Summer storms bring wet shoes and clay, so keep a mat and towel at the door you actually use. Air quality can matter too. In June 2023, smoke from Canadian wildfires led state officials to issue Code Orange alerts across much of North Carolina. Keep windows shut on those days, and wipe sills once the air has cleared.
September is the wettest month at 4.59 inches, so the entry stays busy. By October, the air is drier and the windows can finally go up, which makes this the most pleasant time for a thorough clean. Fans, blinds, sills and vents have all carried the summer, and the holidays are not far off.
Insects start looking for a way in. NC State Extension says lady beetles gather on the sunny sides of houses in fall and can stain fabric and paint if crushed, and the brown marmorated stink bug seeks out attics, garages and the backs of picture frames to overwinter. Seal gaps where you can and use a vacuum on whatever gets in. The pollen sampler runs through mid-November, so wipe sills again once it ends, then put out the winter mats. Leaf collection differs by town. High Point has rounds from November into February, and Burlington's vacuum truck runs from October through January.
The questions Greensboro homeowners ask most often about this topic, answered plainly.
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