The best time to go to St Merryn for pleasant weather and outdoor activities is generally from late spring to early autumn, specifically May to September.During these months, you'll experience the warmest temperatures and the most sunshine, making it ideal for enjoying the stunning local beaches and coastal walks. The sea temperatures are also at their most inviting for swimming and watersports, particularly in July and August.Families often find the summer holidays, from July to August, to be the most convenient time to visit, as this aligns with school breaks. While it's the busiest period, the longer daylight hours mean more time for exploring and enjoying the various attractions, from the 'Seven Bays for Seven Days' to the nearby Padstow harbour.For those looking for a quieter experience with agreeable weather, late spring (May and June) or early autumn (September) are excellent choices. The crowds are thinner, but the weather is still lovely for hiking, cycling, and exploring the charming villages without the peak season bustle.