December · typical climate, not a forecast
Brittany in December
France
Not your escape
10°C day · 5°C night · 51% rain · 8h daylight · quiet · €1,040 estimated
Live · Brittany
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Live · Tallinn (you)
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Cool Score breakdown
Scored for 5 nights from Tallinn in December.
- Temperature fit61
9.9°C typical high vs your 12–20°C window
w 26 - Heat escape0
9.4°C warmer than Tallinn
w 14 - Rain probability45
51% chance of rain on an average day
w 11 - Daylight hours13
8.2h of daylight mid-month
w 8 - Outdoor conditions43
Comfortable for a full day outside at 9.9°C
w 10 - Crowding71
Quiet for this month
w 8 - Flight + stay cost81
≈€1040 estimated for 5 nights vs €1000 budget
w 12 - Nature access80
8/10 — wild ground within reach
w 6 - City atmosphere76
6/10 urban texture · 10/10 food scene
w 4
Why Brittany in December
The sea keeps it in the low twenties while the south hits 38°C.
- Coastal GR34 path
- Oyster shacks
- Pink granite coast
What December in Brittany is actually like
In December, Brittany sits around 10°C by day and drops to about 5°C after dark, so a light layer earns its place in the bag even in high summer. That is roughly 9°C warmer than Tallinn at the same time of year — the difference between planning your day around the shade and simply walking out of the door.
Expect rain on roughly 51% of days, usually passing rather than persistent, and about 8 hours of daylight to spend outside. Crowds are quiet this month, and a 5-night trip from Tallinn works out at around €1,040 including flights, a mid-range stay and everyday spending.
The sea keeps it in the low twenties while the south hits 38°C. Days here tend to fill up with coastal gr34 path, oyster shacks, pink granite coast — which is why Brittany scores 50 out of 100 for december: not your escape.
Other months
Compare the typical climate month by month.