Alt Sankt Johann Weather in May

May in Alt Sankt Johann brings moderate temperatures, with daytime highs of 16°C (61°F) and nights around 6°C (43°F). It's part of the rainy season, with 212 mm (8.3 in) of rainfall on average, so an umbrella or poncho is a good idea.

Rainfall in Alt Sankt Johann in May

Alt Sankt Johann is in the rainy season in May, with rain on around 19 days and an average of 212 mm (8.3 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Alt Sankt Johann in May

May in Alt Sankt Johann brings moderate temperatures, with highs of 16°C (61°F) and nights around 6°C (43°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Alt Sankt Johann in May

The city usually sees around 164 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

Wind Speed in Alt Sankt Johann in May

May has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Alt Sankt Johann. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit Switzerland, check out our Alt Sankt Johann's climate page.

Alt Sankt Johann Temperature in May

Min Temperature 6°C (43°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 62%  

Precipitation 212 mm (8.3 in)  

Rainy days 19 days  

Humidity 82% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 164 hours *  

Percentage Sunshine *  

* Data from: Säntis (the highest mountain in the Alpstein massif), Switzerland (5 KM, 3 Miles).

What to Wear in Alt Sankt Johann in May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Alt Sankt Johann in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Alt Sankt Johann's climate page.

More climate data for Alt Sankt Johann

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Alt Sankt Johann climate overview or explore weather in Switzerland.