The mistral blows from the north in the Rhône Valley. Météo-France describes it as turbulent and generally dry. Before a vineyard visit, check the wind forecast and confirm the route if strong gusts are expected.
What can you look at during a visit?
On site, ask which work is planned that season and how the route accounts for exposure to wind. Row direction, terrain and shelter are useful topics to discuss with your guide. The content depends on the plot visited.