Helensburgh Weather in May

During May, Helensburgh experiences moderate daytime temperatures of 15°C (59°F) and cooler nights around 7°C (45°F). Expect quite a bit of rainfall. Around 115 mm (4.5 in) is typical.

Rainfall in Helensburgh in May

Typically, about 18 days will experience rainfall, with an average of 115 mm (4.5 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Helensburgh in May

May in Helensburgh brings typical temperatures with highs around 15°C (59°F) and lows of 7°C (45°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Helensburgh in May

The area enjoys a moderate level of sunlight, with around 188 hours. It's a good balance between sunny and cloudy days.

For Helensburgh itself, July and August generally stand out with 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.