Most cannabis vapes work best between 315°F and 430°F. For CBD-heavy oil or flower, start near 350°F and move up to 400°F if you want more body. Stay under 450°F. Above that line, you get closer to combustion, harsh hits, and byproducts you do not want.

Why the number on the dial matters

Temperature controls which compounds turn to vapor first. Terpenes, the aromatics that give each strain its smell, usually go first. Cannabinoids like THC and CBD need more heat. THC vaporizes around 315°F (157°C). CBD sits higher, roughly 320°F to 356°F (160°C to 180°C). If you chase flavor, use low heat. If you want the full cannabinoid profile, use mid heat. If you want heavier effects, use high heat and accept the tradeoff in taste and smoothness.

Temperature ranges at a glance

  • 250°F to 315°F: Terpene-forward. Light vapor, bright flavor, little cannabinoid punch. Good for tasting a new batch.
  • 315°F to 350°F: Flavor plus a gentle THC effect. CBD is only partly in play here.
  • 350°F to 390°F: The balanced zone. Most CBD users land here. Flavor holds up, and CBD vapor is stronger.
  • 390°F to 430°F: Heavier, more sedating hits. More vapor, more throat feel, less nuance.
  • 430°F and up: I skip this range on most devices. You lose terpenes and gain irritation.

Oil cartridges: voltage is the real dial

Most 510-thread carts and disposables do not show temperature. They show voltage or wattage. Voltage is the practical setting. Low voltage, about 2.5V to 2.8V, gives small sips with strong flavor. Mid voltage, 3.0V to 3.3V, is the default for balanced hits. High voltage, 3.5V to 3.8V, pushes more vapor and can scorch thinner oils. I rarely go above 3.8V on a CBD cart. Thick oil needs a preheat cycle or a ceramic coil more than it needs more power.

Dry herb vapes: a different set of numbers

Flower vapes run on conduction, convection, or a mix. Convection leans on hot air, so the same temp can feel cooler than a conduction oven. For a session, start at 350°F, take two or three draws, then step up by 10°F to 15°F. A loose pack and a medium grind help air move. A tight pack blocks airflow and makes the hit feel hotter than the display says.

How I set a CBD vape

I start at 350°F for full-spectrum CBD oil or flower. If the first draws taste flat or feel weak, I step to 365°F, then 380°F. I stop at 400°F. At that point, CBD vapor is strong, but terpenes fade and the hit gets dry. For isolates, the terpene question matters less, so a slightly higher setting is fine. For full-spectrum products, low and slow keeps more of the plant profile intact.

What to check before you chase the perfect temp

  • Lab results. A COA should show cannabinoid potency and a contaminant panel. Temperature cannot fix a dirty cartridge.
  • Ingredients. CBD vape oil should list cannabinoids and carrier ingredients. Avoid vague flavor blends with no breakdown.
  • Coil type. Ceramic and quartz coils handle thick oil better than cotton wicks, which can scorch at high heat.
  • Device control. Variable voltage or temperature control lets you repeat a good result. A fixed battery gives you one setting and no room to adjust.

Bottom line

Set CBD vapes around 350°F to 390°F. Keep THC-forward sessions lower if flavor is the goal. Use voltage as your guide for oil carts and temperature for flower. And stop before the vapor turns harsh. A good temp range protects the compounds you paid for.