Best Grill Covers for Every Grill Type
A grill cover is cheap insurance. A $500 gas grill left uncovered through one wet winter can greet you in spring with rusted burner tubes, corroded igniter contacts, and a lid that sticks. Five minutes pulling on a cover saves you a real headache come April.
The catch is that fit matters more than most people think. A cover that bags and flaps in the wind collects standing water in the folds and can trap moisture against the grill body. One that is too tight tears at the seams before summer ends.
This guide covers the best options for six different grill types: mid-size gas grills, large four-burner setups, 22-inch kettle charcoal grills, pellet grills, kamado-style grills, and offset smokers. Sizing tips are at the bottom.
Best Cover for Mid-Size Gas Grills
If you have a Weber Spirit II or a comparable three-burner gas grill with fold-down side shelves, the Weber 7553 Large Grill Cover is the one to buy. It is form-fitted for the Spirit lineup, which means it does not bag out at the corners or leave the lower cabinet exposed. The heavy-duty 300D polyester holds up to direct sun without cracking, and the snap closures keep it on during wind gusts.
What makes it worth the price over a generic cover is the bottom hem design. It drapes flush against the grill even when the grill sits on slightly uneven deck boards, which is most decks. If you have been skipping a cover because every generic one you tried never sat right, this will feel like it was cut specifically for your grill.
Weber 7553 Large Grill Cover
$44
18,400+ reviews
Form-fitted cover for Weber Spirit II 200 and 300 series with snap closures and fade-resistant polyester that holds its shape season after season.
Shop on Amazon →Best Cover for Large 4-Burner Gas Grills
Four-burner and five-burner gas grills have a wider footprint with permanent side shelves that stick out, and a standard-width cover will leave those shelves exposed. The Classic Accessories Veranda Large Gas BBQ Grill Cover solves this. It is designed for grills in the 58 to 72 inch width range, with extra depth to clear cart legs and side burner shelves without bunching up at the base.
The material is a heavy woven polyester with a UV-resistant coating that does not feel plasticky or stiff out of the bag. Classic Accessories builds in an air vent near the top to reduce wind catch and prevent mildew from building up inside the cover overnight. If you have a large Napoleon or a Weber Genesis that lives on a covered patio but still sees rain and summer sun year-round, this is the cover that will still look decent in year three.
Classic Accessories Veranda Large Gas BBQ Grill Cover
$52
9,200+ reviews
Wide-profile cover with integrated air vent and UV coating built for large 58 to 72 inch gas grill carts with permanent side shelves.
Shop on Amazon →Best Cover for 22-Inch Kettle Charcoal Grills
The Unicook Heavy Duty Waterproof Kettle Grill Cover fits 22.5-inch charcoal kettle grills including the Weber Original Kettle, the Char-Griller Voyager, and any similar round-lid design. It is made from 420D Oxford polyester, which is noticeably thicker than the thin covers that come bundled with entry-level grills. The drawstring closure cinches tight at the bottom so it does not lift in the wind.
At around $23, it costs less than one bag of lump charcoal, and it will genuinely extend the life of a grill you paid $150 to $250 for. The lid handle opening at the top lines up correctly with the vent knob on a standard Weber kettle, so the cover lays flat without awkward bumps. It is one of those purchases you wonder why you put off.
Unicook Heavy Duty Waterproof Kettle Grill Cover 22.5 Inch
$23
7,600+ reviews
Thick 420D polyester cover with a drawstring closure designed specifically for 22.5-inch charcoal kettle grills.
Shop on Amazon →Best Cover for Pellet Grills
Pellet grills have a distinct shape: a long barrel body with a front control panel, side handles, and a wheeled cart. Generic covers never fit cleanly around the control panel end, which leaves a gap where water can pool against the electronics. The Traeger Full-Length Grill Cover for the Pro 575 is cut to the actual grill dimensions, with a front profile that clears the control panel without ballooning out.
Pellet grills are also more sensitive to moisture than gas grills because wet pellets in the hopper swell and jam the feed auger. A proper cover is not optional on a pellet grill, it is part of routine maintenance. This cover drops over the wheeled base in about ten seconds, and the open bottom hem means you do not have to thread anything under the cart legs. If you have a Pro 575 sitting outside, this is the cover.
Traeger Full-Length Grill Cover for Pro 575
$69
3,800+ reviews
Brand-matched cover cut to the Pro 575 form factor, protecting the control panel and hopper from rain and UV with a clean drop-over fit.
Shop on Amazon →Best Cover for Kamado Grills
Kamado grills are ceramic, and while ceramic handles heat beautifully, repeated temperature swings from cold rain to afternoon sun can stress the outer glaze over time. A cover keeps that thermal cycling to a minimum. The Classic Accessories Ravenna Round Kamado Grill Cover is cut for the domed, egg-style profile and fits most 18 to 24-inch kamados including Big Green Egg, Kamado Joe Classic, and Char-Griller Akorn.
The fit at the base is the thing that makes or breaks a kamado cover. The Ravenna cinches close to the cart base without leaving a floppy hem that catches the wind and tears at the corners. The fabric is a two-layer laminated polyester that blocks UV on the outside and has a soft liner on the inside to avoid scratching the exterior glaze. If you paid $800 or more for a kamado, spending $45 on this cover is an obvious call.
Classic Accessories Ravenna Round Kamado Grill Cover
$45
4,100+ reviews
Two-layer laminated cover built for egg-style kamado grills, with a fitted base hem and UV-blocking outer shell that protects the ceramic glaze.
Shop on Amazon →Best Cover for Offset Smokers
Offset smokers have a shape that no generic cover fits correctly. The firebox juts out to one side, making the whole unit roughly T-shaped, and a standard rectangular cover balloons off the firebox end and catches the wind like a sail. The Char-Griller 9090 Heavy Duty Grill Cover is designed specifically for this profile, with a cutout section that accommodates the firebox extension without leaving a loose flap.
It fits most horizontal offset smokers in the 55 to 65 inch range, including the Char-Griller Smokin' Pro, Oklahoma Joe's Highland, and similar barrel-style builds. The material is 420D polyester with a waterproof coating and a drawstring hem at the bottom. If you have been leaving your offset uncovered because nothing ever sat right on it, this is the one that actually will.
Char-Griller 9090 Heavy Duty Grill Cover
$29
2,900+ reviews
Offset-specific cover with a firebox cutout profile that actually fits the T-shape of barrel-style smokers in the 55 to 65 inch range.
Shop on Amazon →Quick Tips for Buying and Using Grill Covers
- Measure before you buy. Get the width at the widest point, usually with side shelves extended, plus the height from ground to lid. Add two inches to each dimension when comparing against cover specs.
- Let the grill cool fully before covering. Covering a warm grill traps steam inside and speeds up corrosion at the joints. Wait at least 30 minutes after your last use.
- UV resistance matters as much as waterproofing. Direct sun degrades cheap covers in a single season. Look for 420D or 600D polyester with a UV inhibitor listed in the product specs.
- Check for air vents. A cover without venting builds up condensation inside overnight, especially in humid climates. Covers with side vents cut that moisture buildup significantly.
- Fold the cover while you cook. A cover left draped over a hot grill for hours wears out the coating faster. Fold it and set it aside once the grill is lit.
- Rinse the cover a few times per season. Grease vapor and pollen accumulate on the fabric and hold moisture against it. A quick rinse with a garden hose extends the life of even a mid-grade cover.
Frequently Asked Questions
Do I need a grill cover if my grill is under a covered patio?
Yes, even under a covered patio. Rain blows in sideways and UV reflects off light-colored surfaces. A cover also keeps spiders, wasps, and debris out of the burner ports, which is a real maintenance issue after winter storage.
What does 420D or 600D mean on a grill cover?
The D stands for denier, a measure of fabric thread density. Higher denier means thicker and more tear-resistant. 420D is solid for most residential grills. 600D is worth the extra few dollars if your grill sits in full sun and takes heavy rain.
Can a grill cover cause rust?
A poorly ventilated cover can trap moisture and speed up rust, but a good cover with air vents prevents it. The bigger rust risk is no cover at all. Make sure the grill is fully cool before covering and use a cover that has side vents built in.
Can I use a regular grill cover on a kamado or Big Green Egg?
Standard rectangular covers do not fit well on round kamado-style grills. The excess fabric bags around the dome and catches wind. Use a cover made specifically for the round kamado profile, which seats cleanly against the curved body.
How long should a grill cover last?
A quality 420D or 600D cover should last three to five years with basic care. UV exposure is the main factor in breakdown. If the coating starts flaking off the inside of the cover, it is time to replace it before the flakes get into the grill.