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Samnaun Weather in May
Samnaun in May sees low daytime temperatures of 10°C (50°F) and nighttime lows of 0°C (32°F). Rainfall is fairly high this month at around 141 mm (5.6 in), so pack a rain jacket to stay dry.
Rainfall in Samnaun in May
Expect around 20 days of snow/rain based on historical data, with 141 mm (5.6 in) average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Samnaun in May
May in Samnaun brings low temperatures, with highs of 10°C (50°F) and nights around 0°C (32°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights are well below freezing at 0°C (32°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation.May in Samnaun can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Samnaun Temperature in May
Min Temperature
0°C (32°F)
Max Temperature
10°C (50°F)
Chance of Rain
65%
Precipitation
141 mm (5.6 in)
Rainy days
20 days
Humidity
46% *
* Data from: St. Anton am Arlberg, Austria (22 KM, 13 Miles).
Samnaun Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Samnaun - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Samnaun typically stay consistent throughout May, with daily highs averaging around 10°C (50°F). Nights are cold, with lows typically ranging from -1°C (30°F) to 3°C (37°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Samnaun in May
Browse day-by-day weather records for Samnaun spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Samnaun historical weather extremes in May
The extremes listed below come from historical weather data collected in Samnaun from 1976 through 2026.
- The hottest May day on record in Samnaun reached 28°C (82°F) (May 26, 2026).
- The lowest daytime temperature in May was -5°C (23°F), recorded on May 5, 2019.
- The coldest night in May in Samnaun was on May 11, 1978, with a minimum of -14°C (7°F).
- Peak precipitation in May occurred on May 20, 2015, when 56 mm (2.2 in) of precipitation was measured.
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 Samnaun in May
Cold weather calls for smart layering in May. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Samnaun in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling5/10 -
Walking5/10 -
Barbeque2/10 -
Camping1/10 -
Outdoor sports5/10
Samnaun 3-Day Forecast
More climate data for Samnaun
See the full Samnaun climate overview or explore weather in Switzerland.
Popular in May
Where to go in May - average daytime high across popular destinations.
Zürich
20°C (68°F) Crans-Montana
12°C (54°F) Engelberg12°C (54°F) Nendaz12°C (54°F) Davos11°C (52°F) Saas-Fee9°C (48°F) Grindelwald10°C (50°F) Zermatt7°C (45°F) Bucket list
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The 5 most scenic train journeys in Switzerland
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