Published on 28-12-2025 at 18:20
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The week will be marked by morning frosts and persistent cold in Rennes, especially around New Year’s Eve.
Night frosts, persistent cold and dry weather: the week promises to be wintery in Rennes until the start of the new year. New Year’s Eve and New Year’s Day should pass without rain or snow.
The coming week in Rennes promises to be wintery, with low temperatures, frequent night frosts and generally dry weather. According to forecast data from OpenWeatherMapthe transition to the new year will take place in a cold atmosphere but without major bad weather.
Monday, December 29: morning frost and sun during the day
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Monday begins with negative temperatures in Rennes, with the mercury dropping to -2 to -3°C at the end of the night. The sky is clear at daybreak, favoring a marked cold. During the day, the sun largely dominates and allows a gradual rise in temperatures, which reach approximately 5 °C in the afternoon. Cooling occurs quickly in the evening, with frost returning after dark. A pollution peak will still be occurring in the metropolis and the entire Star network will be accessible at a reduced price to limit automobile traffic.
Tuesday December 30: persistent cold and noticeable wind
Tuesday, the cold remains very present despite slightly higher temperatures during the day, around 5 to 6°C. The sky becomes cloudierwith no precipitation expected. The wind is clearly getting stronger, with sometimes marked gusts, which accentuates the feeling of cold, especially in the morning and at the end of the day. Temperatures drop back below 0°C overnight.
Wednesday December 31: a cold but calm New Year’s Eve
New Year’s Eve looks cold in Rennes. From the evening, temperatures are close to -1 to -2°Cwith a rather clear sky at the start of the night before the arrival of clouds. As midnight approaches, the thermometer displays around -2 to -3°C. No episodes of rain or snow are forecast, which suggests dry but very wintry conditions for outdoor festivities.
Thursday January 1: the cold continues for New Year’s Day
New Year’s Day begins with a marked cold, with negative temperatures in the early morning. The sky is often covered throughout the day. The maximums struggle to exceed 2 to 3°C in the afternoon. The wind remains weak, limiting the icy feeling, but the atmosphere remains wintry from morning to evening.
Friday January 2: gray weather and slight rise in temperatures
Friday begins with a very present cold in Rennes, with negative temperatures in the early morning and a risk of frost. The sky is already very cloudy from the early hours of the day. As the hours pass, temperatures rise slightly, reaching 3 to 4°C in the afternoon, under mostly overcast skies. No notable precipitation is expected, confirming dry but wintry weather to end the week.
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winter
the new year