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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Current UK weather desk. Data from national met services via Open-Meteo.
Check the live forecast above before heading to Carbis Bay, as the maritime weather here can shift quickly; the south-westerly position means conditions often change within an hour, so plan around the morning window for the calmest seas and clearest skies.
When is the best time to visit Carbis Bay for good weather?
Late May to mid-September offers the most reliable warmth, with July and August averaging 18–20°C. However, the Atlantic breeze keeps it fresh even on sunny days. For quieter beaches and fewer crowds, June and early September provide the best balance of pleasant conditions and school-term peace. Pack a windproof jacket regardless of season.
What should you pack for a day at Carbis Bay?
A light fleece or jumper is essential even in summer, as temperatures drop quickly after 4pm. Waterproofs are wise from October to April. In peak season, bring sun protection and a hat—UV levels can be deceptive through the coastal haze. Good walking shoes are useful for the coastal path.
Is Carbis Bay warmer than St Ives town?
Carbis Bay is slightly more sheltered than the exposed St Ives harbour, so it can feel 1–2°C warmer on still days. However, the difference is minor; both spots are open to the Atlantic and share similar conditions.
Does the met office weather Carbis Bay forecast differ from the BBC one?
The Met Office supplies the raw data for the BBC forecast, so they are largely the same. However, the Met Office site offers hourly breakdowns and tide tables, which are useful for planning beach times and coastal walks.
Can you swim at Carbis Bay in winter?
Only for experienced cold-water swimmers with appropriate gear. Winter sea temperatures drop to 9–11°C, and strong rip currents are more common from November to February. Lifeguard cover ends in September.
For more UK travel advice, see our UK weather hub or check conditions in other coastal spots like Bristol Weather and Liverpool Weather. For longer-range planning, our 10 Day Weather Forecast UK page is a useful guide.