December · France
Best time to visit Cassis in December Weather, crowds & prices
Weather in Cassis in December
Average temperature 12°C, 40 mm of rain, about 0 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
2.8/10
Ranked #12 of 12 months
- Avg temp
- 12°C
- Rainfall
- 40 mm
- Humidity
- 80%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Cassis scores 2.8/10 for beach and coastal travel - ranked #12 of 12. Expect around 12°C, 40 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Cassis is a Provençal fishing port east of Marseille, gateway to the limestone calanques along the coast.
December in Cassis — off-season conditions
December averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 40 mm of rain — occasional showers rather than washed-out days — alongside almost no days with 6+ hours of sunshine and 8.8 daylight hours.
It scores 2.8/10 here, 12th of 12 months, against 9.9/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? July scores 7.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Cassis in December?
- In December, Cassis averages 12°C, 40 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 2.8/10.
- Is December a good time to visit Cassis?
- December earns a 2.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cassis in December?
- Expect about 40 mm of rain in December. Average humidity is 80% and there are about 0 days with 6+ hours of sunshine.
Curated in Cassis
Tickets & experiences
Things to do in Cassis
Cassis, France. Live activities and tours from GetYourGuide, matched to this destination.