May in Cornwall typically offers a pleasant blend of spring and early summer conditions. Average temperatures range from 8-16C (46-61F), with daytime highs often reaching comfortable levels for outdoor activities. Sunshine hours increase compared to previous months, although rainfall remains a possibility, showcasing the region’s characteristically changeable weather. Sea temperatures average around 11C (52F).
This period is considered an ideal time to visit Cornwall. The milder weather encourages exploration of the coastal paths and gardens, while the beaches become increasingly inviting. The shoulder season signifies fewer crowds compared to the peak summer months, allowing for a more relaxed experience. Historically, May has marked the start of the traditional tourist season in Cornwall, with businesses preparing for the influx of visitors.
