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Wheat beer

Dunkelweizen

A dark Bavarian wheat beer where banana and clove meet bread crust and light caramel from Munich malt.

Strength
4.3–5.6% ABV
Bitterness
10–18 IBU
Colour
Copper to dark brown
Serve at
7–10°C

Also known as Dunkles Weissbier, dark wheat beer.

Dunkelweizen is a weissbier brewed with Munich and darker wheat malts, so the banana-and-clove yeast character sits over bread crust, light caramel and a faint nuttiness instead of over pale wheat. The two work unusually well together: the malt depth gives the esters something to rest on, and the beer reads richer without gaining much body.

It predates the pale version historically. Pale weissbier is the modern default, and dunkelweizen is closer to what Bavarian wheat beer was for most of its existence — worth knowing when it is presented as a variant rather than as the original.

It rewards fresh drinking more than its colour suggests. The ester and phenol character that makes the style is volatile and fades within months, and what is left is a decent brown wheat beer rather than a dunkelweizen. Pour it the way a weissbier is poured, roused rather than left behind, since the yeast carries a real part of both the body and the aroma.

Questions this page answers

How it tastes

BeerHQ’s own comparative scale, not a measurement. Each bar is a range because a style is a span of real beers rather than one beer.

Sweetness
Bitterness
Body
Carbonation
Malt intensity
Bread & biscuit
Caramel & toffee
Chocolate & cocoa
Yeast fruitiness (esters)
Phenolic spice

Appearance and character

ColourCopper to dark brown
Clarityhazy
HeadOff-white, large, persistent
FermentationTop-fermented (ale). Fermented warm with Saccharomyces cerevisiae, which collects at the surface. Warmer fermentation produces more esters and phenols, so ales tend to carry more fruit and spice from the yeast itself.
OriginGermany — Bavaria

Measurements

Conventional ranges published by style bodies, not a specification. IBU measures iso-alpha acids in a lab and does not track perceived bitterness — compare it against the sensory scale above rather than reading it as a flavour rating.

Measurements for Dunkelweizen
MeasurementTypical range
ABV4.3–5.6% ABV
IBU10–18 IBU
Colour

Copper to dark brown1423 SRM, 2845 EBC.

Original gravity1.044–1.056
Final gravity1.010–1.014
Carbonation2.6–3.4 vol CO₂

Classified by BJCP-2021 as Dunkles Weissbier (exact fit). BeerHQ maintains its own taxonomy and records how it maps onto others rather than adopting any one of them.

What goes into it

Serving

1. Tilt and pour steadily

Glass at about 45 degrees, bottle to the side of it, poured in one continuous movement. Wheat beer foams readily and a stop-start pour produces a head that is all bubble and no structure.

2. Straighten up and leave a finger behind

Bring the glass upright as it fills and aim for two or three centimetres of head. Stop with roughly a finger of beer still in the bottle — that is where the yeast is.

3. Roll the bottle, then add it

Roll the last of the beer around the base to lift the sediment, and pour it in. The roll comes last because rousing early would mean pouring cloudy beer through a head that has not formed yet. The yeast is part of this style, not an optional extra.

Pour most of the beer first, leave about a finger in the bottle, then roll that last part to rouse the yeast and add it. The roll comes last, and the sediment goes in: a weissbier poured bright is a different drink.
Temperature7–10°C
GlassWeizen glass
DispenseBottle conditioned Beer refermented in the bottle with added yeast and sugar, producing natural carbonation and excellent ageing potential.

Freshness and storage

Dunkelweizen shows best within 2–4 months of packaging. After that it declines in quality rather than becoming unsafe.

Drink fresh. Buy it as young as you can and drink it soon. What makes this beer worth drinking is the first thing to leave it.

  • A delicate beer with a short window. What makes it good is cleanliness and definition, which are the first things to blur.

What changes with time

  • Staling. The general, gradual loss of freshness that affects all beer, accelerated sharply by warmth. Months, and roughly twice as fast for every 10 °C warmer.

In the package

  • Brown glass bottleNo format-specific concerns beyond the general advice above.
  • Aluminium canNo light can reach the beer, so lightstrike is impossible in this format.
  • KegNo light can reach the beer, so lightstrike is impossible in this format.

Old beer tastes worse; it does not become dangerous. Ethanol, low pH, hop compounds and the absence of oxygen make packaged beer hostile to the organisms that cause foodborne illness. The exception is a compromised package — visible mould at the closure, a pierced or rusted can, a lifted cap — which is a reason to discard the beer regardless of its age.

Guidance, not an expiry date. How a beer is stored matters more than the date printed on it, and staling roughly doubles in rate for every 10 °C. See storage and freshness for the full model.

What to eat with it

Beers to try

Widely-known examples BeerHQ carries as reference points for this style. Not a recommendation list and not ranked — these are the beers that make the category concrete.

If you like this, try

  • Weissbier

    The pale version of the same beer.

    Suits you if: You like Dunkelweizen but want less sweetness. Reason not to: The main shift is less sweetness, which is a small step rather than a change of direction.

  • Roggenbier

    Same family — both are Wheat beer beers.

    Suits you if: You like Dunkelweizen but want less caramel & toffee. Reason not to: The main shift is less caramel & toffee, which is a small step rather than a change of direction.

  • Weizenbock

    The strong version, richer and more fruit-driven.

    Suits you if: You like Dunkelweizen but want more alcohol warmth. Reason not to: Noticeably more alcohol warmth than Dunkelweizen, which not everyone wants.

  • Kristallweizen

    Same family — both are Wheat beer beers.

    Suits you if: You like Dunkelweizen but want more dryness. Reason not to: Noticeably more dryness than Dunkelweizen, which not everyone wants.

  • Witbier

    Same family — both are Wheat beer beers.

    Suits you if: You like Dunkelweizen but want more dryness. Reason not to: Noticeably more dryness than Dunkelweizen, which not everyone wants.

Compare with

  • Dunkelweizen vs WeissbierThe main difference is dryness: Weissbier has noticeably more of it than Dunkelweizen. Dunkelweizen also leads on caramel & toffee, sweetness and malt intensity.
  • Dunkelweizen vs KristallweizenThe main difference is malt intensity: Dunkelweizen has far more of it than Kristallweizen. Dunkelweizen also leads on caramel & toffee and sweetness; Kristallweizen on dryness.
  • Dunkelweizen vs WitbierThe main difference is malt intensity: Dunkelweizen has far more of it than Witbier. Dunkelweizen also leads on caramel & toffee; Witbier on dryness and citrus.
  • Dunkelweizen vs American wheat beerThe main difference is malt intensity: Dunkelweizen has far more of it than American wheat beer. Dunkelweizen also leads on phenolic spice; American wheat beer on dryness and hop aroma.

Faults to watch for

  • DiacetylA buttery compound with a very low threshold — normally a sign of rushed fermentation, but traditional at trace levels in some Czech lagers.
  • AcetaldehydeA green-apple note indicating beer served before fermentation finished — the classic sign of a rushed product.

How it got here

Dunkelweizen does not have a separate history of its own. It is a reading of Weissbier, and that is where the account belongs — repeating it here would be a second copy of one story.

How it is made

The steps that shape this style in particular, rather than the ones every beer goes through.

  • Step mashRaise the mash through a sequence of held temperatures, each chosen to favour a particular enzyme, for precise control over fermentability and protein.
  • Bottle conditioningCarbonate beer through a secondary fermentation inside the sealed bottle, using residual or freshly-added yeast with priming sugar.

Sensory levels are BeerHQ’s editorial abstraction, described as None–Very high on a six-point scale. Measurements are conventional style ranges. Last reviewed 2026-08-15.

Evidence

What BeerHQ knows about this, and how. Every statement carries the state of the evidence behind it rather than being presented flatly as fact.

  • On Bottle conditioning

    Whether naturally conditioned beer has a perceptibly finer carbonation than force-carbonated beer at the same level is disputed; what is not disputed is that bottle-conditioned beer contains live yeast that continues to scavenge oxygen.

    Widely repeated trade and enthusiast position that secondary fermentation produces smaller, finer bubbles and a softer mouthfeel.

    Carbonation level and dispense conditions determine bubble behaviour, and no controlled work establishes a difference attributable to the carbonation route itself at matched volumes.

    BeerHQ separates the contested sensory claim from the uncontested functional one: live yeast measurably slows staling regardless of whether the bubbles differ.

    Genuinely contested Credible sources disagree, so both positions are given rather than one.

    Sources: Brewing: Science and Practice — print; Campaign for Real Ale

  • On Acetaldehyde

    Acetaldehyde is a normal intermediate in alcoholic fermentation that yeast converts onward to ethanol, so its presence in finished beer generally indicates the beer left the yeast before fermentation and clean-up were complete.

    Backed by a source

    Sources: Yeast: The Practical Guide to Beer Fermentation — print; Beer: Tap into the Art and Science of Brewing — print

  • On Acetaldehyde

    Unlike most off-flavours, acetaldehyde is often recoverable: left in contact with healthy yeast at a reasonable temperature, the compound is generally consumed.

    Backed by a source

    Source: Yeast: The Practical Guide to Beer Fermentation — print

  • On Diacetyl

    The buttery or butterscotch character described as diacetyl is 2,3-butanedione, a vicinal diketone formed outside the yeast cell by oxidative decarboxylation of alpha-acetolactate.

    Backed by a source

    Sources: Beer: Tap into the Art and Science of Brewing, chapter on flavour — print; Brewing: Science and Practice — print

  • On Diacetyl

    Diacetyl has one of the lowest flavour thresholds of any beer compound, detectable by many tasters at concentrations in the region of 0.1 mg/L or below, with substantial variation between individuals.

    Backed by a source

    Sources: Beer: Tap into the Art and Science of Brewing — print; Technology Brewing and Malting — print

  • On Diacetyl

    A low level of diacetyl is traditional and accepted in some Czech pale lagers and in some Yorkshire and Scottish ales, where it contributes a rounded buttery softness the brewers are not attempting to remove.

    Backed by a source

    Sources: Tasting Beer (2nd edition) — print; The Oxford Companion to Beer — print

  • On Diacetyl

    Diacetyl reaches beer by two unrelated routes: as a normal fermentation by-product that healthy yeast subsequently reabsorbs, or from bacterial contamination — chiefly Pediococcus — which produces it continuously and cannot be rested out.

    Backed by a source

    Sources: Yeast: The Practical Guide to Beer Fermentation — print; Brewing: Science and Practice — print