The weather for the week of December 15 to 21, 2025, in Paris and the Ile-de-France region is set to be varied, with continued mildness at the beginning of the week. Temperatures will fluctuate between 5°C and 13°C, gradually returning to more seasonal values by the end of the week. This marks the end of the unseasonably mild period that has characterized the beginning of December in the Parisian region.
Monday, December 15, 2025: A Mild Start to the Week
Monday, December 15, 2025, begins with partly cloudy and sunny weather in the morning. Temperatures will range from 5°C to 12°C, offering pleasant conditions for the season. A light southerly wind will contribute to a comfortable atmosphere. This day is ideal for a stroll in Parisian gardens or exploring the Christmas markets before the holidays.
Tuesday, December 16, 2025: Degrading Weather and Continued Mildness
On Tuesday, December 16, the weather will deteriorate with partly cloudy skies and light rain. Temperatures will remain mild, between 8°C and 13°C, maintaining the positive anomaly for the season. The largely sunny morning will gradually give way to clouds. This presents an excellent opportunity to visit exhibitions in Parisian museums or to shop in the department stores offering their Christmas collections.
Wednesday, December 17, 2025: Grey Skies and Light Rain Persist
Wednesday, December 17, will continue with grey skies and light rain. Temperatures will range from 7°C to 11°C, a slight drop from previous days. Increased humidity will serve as a reminder that it is indeed December. Visitors can explore Paris’s covered passages or enjoy a cozy afternoon in a Marais café.
Thursday, December 18, 2025: Cloudiness with Less Rain, Stronger Winds
On Thursday, December 18, the weather will remain cloudy, but rain will be less frequent. Temperatures will be between 7°C and 13°C, with a slight increase in wind, featuring gusts up to 46 km/h. This day is perfect for exploring Ile-de-France museums like the Louvre or Orsay, or for seeking refuge in the capital’s cinemas showcasing their end-of-year programs.
Friday, December 19, 2025: Return of Showers
Friday, December 19, marks the return of showers, with an 80% chance of precipitation and approximately 3 millimeters of rain expected. Temperatures will fluctuate between 7°C and 12°C. Winds will gust up to 43 km/h. It’s time to bring out umbrellas for last-minute Christmas shopping or to visit new exhibitions in Parisian art galleries.
Saturday, December 20, 2025: Significant Temperature Drop
Saturday, December 20, will see a noticeable drop in temperatures, ranging from 5°C to 9°C, indicating a significant cooling. The weather will remain cloudy with weakening winds. Mornings will become truly fresh, requiring a coat, hat, and scarf for outdoor activities. This is a good time to enjoy the numerous Christmas animations appearing across the capital and its region as the holidays approach.
Sunday, December 21, 2025: Covered Skies and Showers Mark Winter’s Arrival
Sunday, December 21, concludes the week with covered skies and showers. Temperatures will be between 6°C and 10°C, confirming the return to more wintery values. As the first day of astronomical winter, the weather seems to align with the calendar. This is also an ideal time to retreat to a cozy café and enjoy a hot chocolate while finalizing Christmas preparations.
Summary of the Week’s Weather
This week, from December 15 to 21, 2025, in Paris and the Ile-de-France region, will be particularly contrasting, with persistent mildness at the beginning of the week gradually giving way to more wintery conditions. The positive thermal anomaly observed since the beginning of the month will progressively fade, as indicated by Météo-France forecasts, with a return to seasonal temperatures expected by the Christmas holidays.
In summary, this week marks the transition to more wintery weather in the capital and its region. While umbrellas will be necessary for outings, the relatively mild temperatures at the beginning of the week offer opportunities to discover the many Christmas animations and cultural events in Paris and its surrounding area.
Practical Information:
- Dates: December 15 to December 21, 2025
- Recommended Age: All ages
