A good rainy-day date in Aarhus uses the city's density. Almost everything indoors is within a fifteen-minute walk of everything else, which means you can string together three or four venues without ever being properly soaked. The skill is choosing places that reward staying.
Long mornings at La Cabra or Great Coffee
La Cabra on Graven roasts its own beans and serves them in a room that was designed for sitting in for two hours. The wooden tables, the natural light from the front window, the noise level that lets you actually talk. Order a filter coffee and a pastry, find the corner table if you can, and don't rush.
Great Coffee on Klostergade is the alternative when La Cabra is full. Smaller, slightly more bookish, equally good for staying. Both places work because the staff doesn't push you out. You can sit through a downpour and into the next one.
ARoS for the long version
I keep coming back to ARoS because it solves the rainy-day problem completely. Three hours minimum if you do it properly. Start in the basement with the dark installations, work your way up through the permanent collection, take a break at the cafe, finish with the rainbow walkway and whatever the temporary exhibition is.
The trick on a date is to disagree about at least one piece. The conversation that comes out of disagreeing about a painting is more useful than ninety minutes of safe small talk.
Bookshops as date venues
Stillers Boghandel on Klostergade and the English Books and Secondhand on Frederiksgade both function as date venues if you let them. Pick books for each other. Argue about them. Buy something for ten kroner from the discount shelf.
This works better than people expect. It's slow, it's specific, and it tells you something useful about a person quickly. Spend forty-five minutes and then walk to the cafe next door.
Den Gamle By for a half-day
Den Gamle By is technically an open-air museum but most of the date happens indoors, in the old apartments, the workshops, the bakery, the 1974 grocery store, the 1927 obstetrics clinic. On a rainy weekday afternoon, the crowds vanish and you can spend three hours moving between buildings.
The 1974 quarter is the most unexpectedly affecting part. Walking through a recreated apartment from a year you almost remember is a strange shared experience that prompts the kind of conversation a coffee shop won't.
The Salling food hall for a slow lunch
The basement food hall at Salling is a working market with a few decent counters where you can sit and eat. Oysters at the fish counter. A glass of wine at the bar. Bread and cheese from the deli. It's not cheap but it's not restaurant-priced either, and you can stretch a meal across an hour and a half easily.
The move afterward is to take the lift up to the rooftop, even in the rain, just to see the weather from above. Then back down for the elevator ride conversation, which is its own small thing.
Vinyl shops and record listening
Routeen Records and a few smaller spots around Mejlgade and Nørre Allé let you listen to records before buying. This is a niche date, but if it's the right person it's an excellent one. Pick records for each other. Sit in the listening corner. Spend twenty kroner on something you'll keep.
Dokk1 as a default
Dokk1 is free, warm, and big enough that you can move around inside it for two hours without doing the same thing twice. The harbor view from the upper levels, the children's section that's strangely calming for adults, the chess sets, the rotating exhibitions. On a heavy rain day this is where I send people who don't know what else to do.
The cafe is mediocre. Bring coffee from somewhere else.
Build the chain
The rainy-day formula in Aarhus is three indoor venues over four hours, with short walks between. Coffee at La Cabra, an hour at ARoS or a bookshop, late lunch at Salling food hall. Or: brunch at Smagløs, a film at Øst for Paradis, a wine bar on Mejlgade afterward.
The city is small enough that you don't have to plan tightly. You can decide the next stop while you're standing in the doorway of the current one, watching the rain. That's the actual pleasure of dating in Aarhus when the weather's bad. The improvisation is the date.