Mullion Weather in May

May in Mullion 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 Mullion in May

The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans. Analyzing past climate data, one can expect approximately 14 days of rain, averaging 61 mm (2.4 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Mullion in May

May in Mullion brings moderate temperatures, with highs of 15°C (59°F) and nights around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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 Mullion in May

With approximately 222 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you prefer dry days with pleasant temperatures, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.