Sankt Gallen Weather in May

May in Sankt Gallen brings moderate temperatures around 17°C (63°F) during the day, dropping to 6°C (43°F) at night, with quite a bit of rainfall expected, averaging around 164 mm (6.5 in) for the month.

Rainfall in Sankt Gallen in May

Historically, the month has about 16 days of rain, averaging 164 mm (6.5 in) in total. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Sankt Gallen in May

Expect highs of 17°C (63°F) in Sankt Gallen in May, with nights dropping to around 6°C (43°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Sankt Gallen in May

The month experiences a moderate amount of sunlight, with 172 hours of sunshine. This provides a nice balance between sunshine and clouds.

If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Sankt Gallen.