Turn your vaporizer up by 20 degrees and the whole session changes. Cooler vapor tastes brighter and citrusy. Hotter vapor hits harder, feels heavier, and can scorch the flavour right out of the bowl. That difference comes down to which terpenes and cannabinoids are actually getting into your lungs at a given temperature.

This is the guide to terpene boiling points and vaping temperature that does not pretend the numbers are gospel. You will get a clear chart, sensible temperature ranges, and a straight explanation of why the popular boiling-point figures are more of a rough map than a precise switch.

Why boiling points matter when you vape

Cannabis flower is a mix of cannabinoids like THC and CBD plus dozens of aromatic terpenes. Each compound starts releasing vapor at a different temperature. Heat the bowl gently and you mostly volatilise the lighter, more delicate terpenes. Push the heat higher and you release more cannabinoids and the heavier, less volatile aromatics, but you also risk cooking off the delicate stuff and producing harsher vapor.

That is the whole trade-off. Lower temperatures tend to give you more flavour, smoother vapor, and a clearer, milder effect. Higher temperatures pull out more total cannabinoid content and feel stronger and more sedating, at the cost of taste and smoothness. If you want the background on what these aromatic molecules even are, our guide to cannabis terpenes is a good starting point.

Vaporizing is not burning

Vaporizing heats cannabis to the point where the active compounds turn to vapor, but below the roughly 230°C and up where the plant material actually combusts and produces smoke. Stay under combustion and you inhale far fewer of the irritating byproducts you get from a joint. That is the entire point of a vaporizer, and it is why temperature control matters so much.

The honest truth about published boiling points

Here is the part most vaping charts skip. The boiling point numbers you see everywhere are not as solid as they look.

First, published values genuinely vary by source and by pressure. A boiling point is the temperature at which a liquid boils at a specific pressure, usually standard atmospheric pressure. Change the pressure, change the number. Different reference works also list slightly different figures because they relied on different measurements. NIST lists the boiling point of limonene as an average of 13 separate values, for example, which tells you the measurements themselves scatter a bit.

Second, and this is the big one, the famous cannabinoid numbers like “THC boils at 157°C” are not really normal boiling points at all. A peer-reviewed paper in Cannabis and Cannabinoid Research argued that the actual normal boiling points of cannabinoids are far higher, above 400°C, and that the low figures circulating online describe the temperature at which the compound has a meaningful vapor pressure rather than where it truly boils (Eyal et al., 2023). Compounds evaporate well below their boiling point. That is exactly why your vaporizer works at 190°C even though pure THC would not technically “boil” until much hotter.

The same paper makes a point worth holding onto: terpenes evaporate dramatically faster than cannabinoids at vaping temperatures, so the flavour-heavy terpenes come off first and the cannabinoids follow as you heat up or as the session goes on. So treat every number below as a useful guide to the order things release in, not an exact on or off threshold.

Terpene and cannabinoid boiling point chart

The table below lists common cannabis terpenes and the main cannabinoids with approximate boiling points. Values are rounded and pulled from chemistry references where available. Where sources disagree, treat the figure as a midpoint, not a precise line.

The monoterpene figures for myrcene, limonene, pinene, and linalool above line up closely with the NIST Chemistry WebBook, which lists myrcene at roughly 167°C, limonene near 178°C, alpha-pinene near 157°C, and linalool near 199°C (NIST: myrcene; NIST: limonene; NIST: alpha-pinene; NIST: linalool). Caryophyllene is the awkward one. It is a sesquiterpene that tends to sublime and its reported figures vary widely, so the 119 to 130°C range you see floating around should be read loosely. If terpene chemistry interests you, our deep dive on limonene and piece on pinene go further into individual terpenes.

The best vaping temperature ranges

Real vaporizers do not heat evenly. Conduction vaporizers run hotter right against the heating surface than in the middle of the bowl, and even convection units have gradients. So these ranges are starting points to dial in, not exact prescriptions. Most cannabis vaporizing happens between about 157°C and 220°C (315°F to 428°F).

Low: 157–176°C (315–349°F), flavour first

• Lightest, smoothest, most flavourful vapor.
• Releases the delicate monoterpenes like pinene, myrcene, and limonene that give a strain its brightness.
• Milder, clearer-headed effect with less of the heavy body feeling. Good for daytime or low-tolerance users.
• Trade-off: lower total cannabinoid yield per session, so it can feel weak.

Medium: 180–200°C (356–392°F), the balanced zone

• The all-rounder most people settle on.
• Efficiently releases THC, CBD, and CBN while still preserving a good chunk of terpene flavour.
• A good fit for a balanced effect. A protocol study delivering therapeutic CBD and THC by vaporization relied on the higher end of this kind of range for full transfer (Solowij et al., 2014).

High: 200–220°C+ (392–428°F), strength over subtlety

• Maximises cannabinoid extraction and pulls out the heavier sesquiterpenes.
• Strongest, most sedating effect. Often the choice for evening or higher-tolerance sessions.
• Trade-off: harsher, hotter vapor and scorched-tasting flavour as delicate terpenes are already gone. Push past roughly 230°C and you tip into combustion.

How much actually comes off the flower scales with heat. In one in-vitro study, five commercial vaporizers run at 210°C recovered roughly 55 to 83% of THC and 46 to 70% of CBD into the vapor depending on the device, which shows both that hotter pulls more and that the hardware itself matters a lot (Lanz et al., 2016). Earlier work on the Volcano found it delivered an average of about 54% of loaded THC into the balloon when conditions were optimised (Hazekamp et al., 2006).

How to dial in your own temperature

Forget chasing one perfect number. The smarter move is to find what suits your flower, your hardware, and the effect you want. Here is a simple way to do it.

1. Start low. Begin around 170 to 180°C for the first draws to enjoy the flavour while the terpenes are fresh.
2. Step up gradually. Raise the temperature in 5 to 10 degree increments through the session. This is called temperature stepping, and it lets you ride the boiling-point ladder from light terpenes up to heavier cannabinoids.
3. Finish higher. End around 200 to 215°C to extract the remaining cannabinoids before the bowl is spent.
4. Adjust for the goal. Want clear-headed and tasty? Stay low. Want strong and sleepy? Spend more time up high.
5. Trust your senses. If the vapor tastes burnt or feels harsh, you are too hot. Back off.

The same logic underpins terpene-infused vape products, where formulators have to match a blend to the temperature the hardware actually runs at. Terpene blends from Entour™ are built around exactly this, choosing monoterpenes and sesquiterpenes that vaporise cleanly across the range a vape device produces.

A note on what the science can and cannot tell you

The temperature-and-effect picture is well supported in broad strokes. Lower temperatures clearly favour terpenes and flavour, higher temperatures clearly pull more cannabinoids, and vaporizing under combustion clearly reduces harmful byproducts compared with smoking. Those points rest on real lab measurements.

What is far less settled is how specific terpenes at specific temperatures change the felt effect in a given person. A lot of terpene research is still preclinical, done in cells or animals, and much of the “this temperature gives this mood” guidance online is extrapolation rather than direct human trial data. So use the ranges as a reliable framework, and treat the finer claims about individual terpenes steering your high as promising but unproven. Our overview of terpenes and their effects keeps the same honest line.

FAQ

What is the best temperature to vape for flavour?

Roughly 157 to 176°C (315 to 349°F). This range releases the delicate monoterpenes that carry most of a strain’s aroma while keeping the vapor cool and smooth. The effect is milder, so it suits flavour-chasers and lower-tolerance users.

Does a higher temperature make vaping stronger?

Generally yes. Higher temperatures pull more total cannabinoids out of the flower, so the effect feels stronger and more sedating. The trade-off is harsher vapor and loss of the delicate terpenes that give flavour, plus a combustion risk above about 230°C.

Why do different charts list different boiling points?

Because published values genuinely vary by measurement source and by pressure, and because the popular cannabinoid figures describe a vapor-pressure threshold rather than a true boiling point. Treat any single number as an approximate guide, not an exact switch.

Do terpenes really vaporize before cannabinoids?

For the lighter monoterpenes, yes. Research shows monoterpenes evaporate far faster than THC at typical vaporizer temperatures, which is why the flavour comes through strongest early in a session and the heavier cannabinoid hit builds as you heat up.