The beautiful beach known as Britain’s ‘warmest’ in autumn, just six miles from a stunning seaside town
- UK Hidden Gems

- Nov 10, 2025
- 2 min read
Many people think autumn is too chilly for the beach, but one stunning spot in Cornwall proves otherwise.
With an average temperature of 13.1°C during the season, this golden stretch of sand isn’t just the warmest beach in Britain during autumn, it’s also one of the most beautiful.
According to research by Parkdean Resorts, this hidden gem takes the crown as the UK’s warmest beach outside of summer.
Cornwall is also home to the second warmest, Kynance Cove, just 35 miles away. While 13°C might feel “fresh,” it’s still possible to enjoy a swim, though beachgoers should be cautious of cold shock when entering the water.
Cold shock can happen when you first plunge into water below 15°C, as the body reacts by gasping involuntarily.
If your face is under the surface, this can lead to accidentally inhaling water, so it’s important to enter slowly and safely.
Porthcurno Beach lies just 6.6 miles from the seaside town of Penzance and is one of West Cornwall’s most breathtaking locations.
Famous for its soft white sand, turquoise waters, and rugged granite cliffs, it’s a favourite spot for families, swimmers, and photographers alike.
Overlooking the beach is the world-famous Minack Theatre. This open-air theatre hosts performances from Easter until late October, featuring everything from plays to live music.
Back in the late 1800s, Porthcurno became globally known as the British landing point for early submarine telegraph cables.
The first was laid in 1870, forming part of an international link between Britain and India. The location was chosen because its quiet waters meant less risk of ship anchors damaging the cables.
Nearby Kynance Cove, also in Cornwall, ranks as the second warmest beach in the UK during autumn, just behind Porthcurno.
With an average temperature of 13°C, the cove became a popular retreat in Victorian times and remains one of the county’s most photographed spots.
It even attracted some famous faces of the era, including Queen Victoria, Prince Albert and poet Alfred Tennyson. Today, Kynance Cove is managed by the National Trust and features a much-loved café that’s been serving visitors for nearly 100 years.
Remember - LeaveNoTrace!
As with anywhere outdoors, kindly keep these areas pristine and wild by taking all trash with you. The amount of complaints we have seen since the pandemic is crazy. It's really not that hard to take your rubbish with you!
Litter tends to spread, so if you see any and are able to pick it up and dispose of it outside the hidden gem, it will help keep the area tidy.
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