Helston Weather in May

May in Helston typically sees daytime highs of 15°C (59°F) and nighttime lows of 10°C (50°F). With the least rainfall of the year, it's a reliably dry month.

Rainfall in Helston in May

Take advantage of the dry conditions this month, with minimal rain expected. Historically, May sees about 15 days of rain, with a monthly average of 62 mm (2.4 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Helston in May

In May, Helston gets moderate temperatures, with highs of 15°C (59°F). Nights cool to around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Helston in May

Expect sunny days throughout the month, with an estimated 222 hours of sunshine. This makes it a pleasant time to visit Helston.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.