St.Gallen Canton Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in St.Gallen Canton, Switzerland in May.

Planning a trip to St.Gallen Canton, Switzerland this May? Here's what you need to know about the weather:

What to Expect in St.Gallen Canton in May

St.Gallen Canton, Switzerland is a region in Switzerland. May in St.Gallen Canton generally has temperatures that range from mild to pleasant, with precipitation levels ranging from high to heavy.

Temperatures

During the day the temperature is mild in Bad Ragaz at 15°C (59°F) and pleasant in Wil at 19°C (66°F). As night falls, temperatures generally drop to 10°C (50°F) in Wil and 4°C (39°F) in Bad Ragaz.

For specific regional insights in St.Gallen Canton, Switzerland, refer to the map provided below.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Wil with an average of 148 mm (5.8 in) to heavy rainfall in Unterterzen with 217 mm (8.5 in).

Average sunshine

Sunshine is moderately available across various locations. In Bad Ragaz, you can expect around 162 hours of sunlight in May, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore St.Gallen Canton by month

Pick a month to see the average temperature, rainfall and sunshine in St.Gallen Canton - and find the best time to visit. (based on Bad Ragaz)

Best Places to Visit in St.Gallen Canton in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across St.Gallen Canton.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in St.Gallen Canton

What is the weather like in May for some of the most popular destinations in St.Gallen Canton, Switzerland?

Temperature range in St.Gallen Canton (May)

Precipitation variation in St.Gallen Canton (May)

Bad Ragaz

In May Bad Ragaz generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 4°C (39°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
April
May
June
Max temperature
10°C (50°F)
15°C (59°F)
18°C (64°F)
Min temperature
-1°C (30°F)
4°C (39°F)
7°C (45°F)
Monthly sun hours
142 hours
162 hours
171 hours
Monthly rainfall
142 mm (5.6 in)
196 mm (7.7 in)
235 mm (9.3 in)
Monthly rainy days
18 days
19 days
18 days
Weather conditions

Amden

In May Amden generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 5°C (41°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
April
May
June
Max temperature
11°C (52°F)
16°C (61°F)
19°C (66°F)
Min temperature
1°C (34°F)
5°C (41°F)
9°C (48°F)
Monthly sun hours
163 hours
164 hours
160 hours
Monthly rainfall
147 mm (5.8 in)
209 mm (8.2 in)
259 mm (10 in)
Monthly rainy days
18 days
19 days
18 days
Weather conditions

Unterwasser

In May Unterwasser generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 6°C (43°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
April
May
June
Max temperature
12°C (54°F)
16°C (61°F)
20°C (68°F)
Min temperature
1°C (34°F)
6°C (43°F)
9°C (48°F)
Monthly sun hours
163 hours
164 hours
160 hours
Monthly rainfall
146 mm (5.7 in)
210 mm (8.3 in)
260 mm (10 in)
Monthly rainy days
17 days
19 days
18 days
Weather conditions

Wildhaus

In May Wildhaus generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 6°C (43°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
April
May
June
Max temperature
12°C (54°F)
17°C (63°F)
20°C (68°F)
Min temperature
1°C (34°F)
6°C (43°F)
9°C (48°F)
Monthly sun hours
163 hours
164 hours
160 hours
Monthly rainfall
144 mm (5.7 in)
207 mm (8.1 in)
253 mm (10 in)
Monthly rainy days
17 days
19 days
18 days
Weather conditions

Alt Sankt Johann

In May Alt Sankt Johann generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 6°C (43°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
April
May
June
Max temperature
12°C (54°F)
16°C (61°F)
20°C (68°F)
Min temperature
1°C (34°F)
6°C (43°F)
9°C (48°F)
Monthly sun hours
163 hours
164 hours
160 hours
Monthly rainfall
147 mm (5.8 in)
212 mm (8.3 in)
263 mm (10 in)
Monthly rainy days
17 days
19 days
18 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in St.Gallen Canton, in Switzerland.

Popular cities in May

Day & night temperatures, rainfall and average weather in St.Gallen Canton in May.

City Weather Day temp Night temp Rainfall
Bad Ragaz 15°C (59°F) 4°C (39°F) 196 mm (7.7 in)
Amden 16°C (61°F) 5°C (41°F) 209 mm (8.2 in)
Unterwasser 16°C (61°F) 6°C (43°F) 210 mm (8.3 in)
Wildhaus 17°C (63°F) 6°C (43°F) 207 mm (8.1 in)
Alt Sankt Johann 16°C (61°F) 6°C (43°F) 212 mm (8.3 in)
Sevelen 16°C (61°F) 5°C (41°F) 196 mm (7.7 in)

St.Gallen Canton weather in May: frequently asked questions

What is the weather like in St.Gallen Canton, Switzerland in May?

St.Gallen Canton, Switzerland typically experiences less favorable weather in May, part of the season. Daytime highs in Bad Ragaz average around 15°C (59°F), and temperatures drop to about 4°C (39°F) at night.

What is the average temperature in St.Gallen Canton, Switzerland in May?

In Bad Ragaz, the average daytime high in May is 15°C (59°F), while nighttime temperatures drop to around 4°C (39°F).

Does St.Gallen Canton, Switzerland get a lot of rain in May?

Rainfall in St.Gallen Canton, Switzerland peaks during May. Bad Ragaz averages roughly 196 mm (7.7 in), so frequent and sometimes heavy showers are the norm.

Is May a Good Time to Visit St.Gallen Canton, Switzerland?

Given the typically less favorable weather conditions in Bad Ragaz, May may not be the ideal time to visit St.Gallen Canton, Switzerland.

On average, the best time to visit St.Gallen Canton, Switzerland is in July, August and September with generally mixed weather in Bad Ragaz.

Interested in more climate information?

We have much more information about the climate in St.Gallen Canton.

Weather and climate has detailed information for every country in the world. Are you going to Switzerland? Get detailed historical weather averages for many cities in Switzerland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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