December · France
Best time to visit Rennes in December Weather, crowds & prices
Weather in Rennes in December
Average temperature 7°C, 59 mm of rain, about 0 days with 6+ hours of sunshine and 92% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
4.8/10
Ranked #11 of 12 months
- Avg temp
- 7°C
- Rainfall
- 59 mm
- Humidity
- 92%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Rennes scores 4.8/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 7°C, 59 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Rennes mixes Breton half-timbered houses, a parliament square and one of France's liveliest student scenes.
December in Rennes: expect compromises
Expect 7°C (44°F) in December. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 59 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 8.2 hours of daylight to work around it.
That is 4.8/10 on the same scale — 11th of 12 months, versus 9.6/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, July is materially better in Rennes — 4.8 points higher on the same scale.
Frequently asked
- What is the weather like in Rennes in December?
- In December, Rennes averages 7°C, 59 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 4.8/10.
- Is December a good time to visit Rennes?
- December earns a 4.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Rennes in December?
- Expect about 59 mm of rain in December. Average humidity is 92% and there are about 0 days with 6+ hours of sunshine.
Curated in Rennes
Tickets & experiences
Things to do in Rennes
Rennes, France. Live activities and tours from GetYourGuide, matched to this destination.