December · typical climate, not a forecast
Donegal in December
Ireland
Not your escape
9°C day · 4°C night · 62% rain · 7h daylight · almost empty · €975 estimated
Live · Donegal
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Reading…
Live · Tallinn (you)
–°C
Reading…
Cool Score breakdown
Scored for 5 nights from Tallinn in December.
- Temperature fit45
8.7°C typical high vs your 12–20°C window
w 26 - Heat escape0
8.2°C warmer than Tallinn
w 14 - Rain probability18
62% chance of rain on an average day
w 11 - Daylight hours0
7h of daylight mid-month
w 8 - Outdoor conditions30
Comfortable for a full day outside at 8.7°C
w 10 - Crowding81
Almost empty for this month
w 8 - Flight + stay cost88
≈€975 estimated for 5 nights vs €1000 budget
w 12 - Nature access90
9/10 — wild ground within reach
w 6 - City atmosphere46
3/10 urban texture · 7/10 food scene
w 4
Why Donegal in December
Cheap, cool and you will have the beach to yourself.
- Slieve League cliffs
- Empty surf beaches
- Glenveagh National Park
What December in Donegal is actually like
In December, Donegal sits around 9°C by day and drops to about 4°C after dark, so a light layer earns its place in the bag even in high summer. That is roughly 8°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 62% of days, usually passing rather than persistent, and about 7 hours of daylight to spend outside. Crowds are almost empty this month, and a 5-night trip from Tallinn works out at around €975 including flights, a mid-range stay and everyday spending.
Cheap, cool and you will have the beach to yourself. Days here tend to fill up with slieve league cliffs, empty surf beaches, glenveagh national park — which is why Donegal scores 41 out of 100 for december: not your escape.
Other months
Compare the typical climate month by month.