Rennes weather history

Rennes, the capital of the Brittany region in northwestern France, is characterized by an oceanic climate. This ensures mild and relatively stable temperatures throughout the year, influenced by its proximity to the Atlantic Ocean. Winters in Rennes are cool with occasional frost, but extreme cold is rare. Summers are warm but not overly hot, with temperatures often moderated by breezes from the Atlantic Ocean. Rainfall is consistent throughout the year, with autumn and winter being slightly wetter seasons.


  • Spring in Rennes witnesses a steady increase in temperatures. Early in the season, average highs are around 12°C (54°F), and by the end of spring, they can approach 20°C (68°F).
  • Rainfall is moderate, and the city starts to see longer daylight hours, with nature coming back to life after the winter months.


  • The summer months are mild to warm. Temperatures often hover in the high teens to mid-20s°C (60s to 70s°F). While prolonged heat is uncommon, occasional warmer days can push temperatures into the high 20s°C (80s°F).
  • Rainfall is relatively infrequent, but light showers and occasional thunderstorms can occur.


  • Autumn brings a decline in temperatures, starting from the low 20s°C (70s°F) early in the season and dropping to the low teens°C (50s°F) by its end.
  • Rainfall becomes more frequent, and the city can experience gusty conditions due to Atlantic weather systems.


  • Winters in Rennes are relatively mild, with temperatures typically ranging from 3°C to 9°C (37°F to 48°F).
  • While snowfall is infrequent, it's possible, though any accumulation tends to be light and short-lived. Rainfall is consistent, and the city can experience damp and overcast conditions.

Temperatures history

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Rainfall history

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