On the ground: Keep your kayak off the ground, especially when outside. Contact with the ground could cause damage due to moisture or freezing temperatures. Hang your kayak or cover the ground the best you can with waterproof and weather-resistant tarps or other materials.
Do kayaks need to be covered?
Cover it up
We touched on this before; you don't want to just leave your kayak exposed to the direct sunlight and other elements like rain or snow. You can use a tarp, but don't cover your kayak too tightly with a tarp. Instead, create a shelter, like a tent. That way, any moisture that might get in can dry out.
Should I cover my kayak in the winter?
The big no-no with kayak storage is leaving your kayak to rest on its hull. ... If you absolutely must store it outside, protect the kayak from UV rays using a tarp (or a full boat cover) and keep the cockpit guarded from the curiosity of small animals with a cockpit cover.