Short answer: Most of the big paid attractions stay open with reduced hours, but many run limited days — The Big Sheep and The Milky Way both close some weekdays. Village cafés close or shorten hours. The coast, the moor and the walks are all better in winter and all free.
Devon out of season splits into three. The landscape does not change and is arguably better. The big paid attractions mostly stay open but on reduced days. And the small seasonal businesses — beach cafés, village tea rooms, some pubs — either close or cut back sharply, often without updating their listings.
The practical rule: ring ahead rather than trusting Google. Reviewers across this guide report exactly this, including at Town Farmhouse in Mortehoe, where one visitor notes that if the listing says closed, it is worth calling anyway.
The Big Sheep near Bideford closes some weekdays outside school holidays and reviewers repeatedly warn about turning up without checking. The Milky Way is closed Mondays and Fridays. Ilfracombe Aquarium is closed Fridays; Ilfracombe Museum is closed Mondays and Sundays. Several of the best restaurants in this guide open only Wednesday to Saturday out of season.
In Woolacombe, Captain Jacks is one of the few places open through the winter and has a sun-trap garden that works even in January. The Tides Inn closes some days. In Mortehoe, the Ship Aground closes Mondays for much of the year. In Beer, the Anchor Inn serves from eight in the morning year-round.
The dog restrictions lift. The car parks empty. Woolacombe's three miles of sand in December is as good as this coast gets, and you will have most of it. Storm watching from the Dawlish sea wall or the Brixham breakwater is a genuine event. Exmoor's dark skies need long nights, which means autumn to early spring. And Dartmoor in low winter light is extraordinary.
Wet and windy rather than cold. The Atlantic keeps Devon mild and takes the edge off frost, but the north coast in particular gets properly blown. Take waterproofs rather than a heavy coat, and expect the moor to be a different proposition to the coast on the same day.
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