St. Gallen Weather in May
St. Gallen in May sees pleasant temperatures, with highs around 18°C (64°F) and overnight lows of 9°C (48°F). With the rainy season in full effect, expect around 171 mm (6.7 in) of rainfall and regular showers throughout the month.
Rainfall in St. Gallen in May
As part of the rainy season, St. Gallen sees around 18 days of rain in May, with an average of 171 mm (6.7 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in St. Gallen in May
In May, St. Gallen sees pleasant temperatures, with highs of 18°C (64°F). Nights drop to around 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in St. Gallen in May
The area enjoys a balanced 188 hours of sunlight, ensuring it's neither too rainy nor too sunny.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our St. Gallen's climate page.
St. Gallen Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
18°C (64°F)
Chance of Rain
60%
Precipitation
171 mm (6.7 in)
Rainy days
18 days
Humidity
71%
Sunshine
188 hours
Percentage Sunshine
42%
Best Places in Switzerland in May
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in May →
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What to Wear in St. Gallen in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in St. Gallen in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our St. Gallen's climate page.
Temperature Rainfall Sunshine Humidity
See the full St. Gallen climate overview or explore weather in Switzerland.
