Why does Brittany have relatively mild temperatures throughout the year?

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The old walled city of Saint-Malo, Brittany région, France. — Brittany The old walled city of Saint-Malo, Brittany *région*, France.

Brittany experiences relatively mild temperatures throughout the year primarily due to its oceanic climate, which is heavily influenced by its position along the Atlantic Ocean.12

This climate is moderated by the Atlantic Meridional Overturning Circulation (AMOC), which transports warm waters into the eastern North Atlantic. These warm waters help maintain higher temperatures in northwestern Europe than would otherwise be expected at these latitudes. Additionally, prevailing westerly winds continuously carry this relatively warm, moist air across the region, contributing to low annual temperature variation and preventing extreme seasonal shifts.31