Shade is your best bet. Also, ditch the rainfly.

Yes, but only up to a point. You cannot beat physics — a tent in direct sun turns into a greenhouse. But you can make it bearable.

First rule: pick your campsite carefully. Find natural shade — under a tree, beside a rock formation, or on the east side of a hill so the morning sun hits you but afternoon heat is blocked. If there’s no natural shade, bring a big reflective tarp and rig it above your tent with some separation (six inches of air gap helps a lot). That tarp is worth more than any fan.

Second: take the rainfly off unless rain is imminent. The fly traps heat like a lid on a pot. If you need it for privacy or bug protection, at least roll up the sides for airflow. A mesh inner tent with a rainfly off will stay noticeably cooler.

Third: cross-ventilation matters. Open every door and window. If your tent doesn’t have opposing vents, consider a small battery-powered fan. The little O2Cool or similar clip-ons move enough air to make a difference at night. They run on D batteries or rechargeable packs. Not silent, but better than sweating.

Fourth: an emergency blanket (the silver Mylar kind) draped over the tent roof reflects a ton of radiant heat. Ugly, crinkly, but it drops the interior temp by a few degrees. Tape it to the outside.

Final thought: If the heat is brutal and you’re in a safe area, just sleep without the tent. Hammock with bug net, or a bivy under the stars. The tent is a luxury you can skip.