Alt Sankt Johann
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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.

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).

Alt Sankt Johann Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Alt Sankt Johann - and find the best time to visit.

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 →

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).

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

Alt Sankt Johann 3-Day Forecast

More climate data for Alt Sankt Johann

Popular in May

Where to go in May - average daytime high across popular destinations.

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