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Saas-Grund Weather in May
May in Saas-Grund typically sees daytime highs of 9°C (48°F) and nighttime lows of 1°C (34°F). May falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Saas-Grund in May
As part of the rainy season, Saas-Grund sees around 21 days of rain in May, with an average of 192 mm (7.6 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Saas-Grund in May
Temperatures in Saas-Grund in May top out at 9°C (48°F) and drop to 1°C (34°F) overnight. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Saas-Grund in May
The month brings about 160 hours of sunlight, offering a comfortable mix of sun and rainy moments.If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.
Saas-Grund Temperature in May
Min Temperature
1°C (34°F)
Max Temperature
9°C (48°F)
Chance of Rain
69%
Precipitation
192 mm (7.6 in)
Rainy days
21 days
Humidity
67% *
Sunshine
160 hours *
Percentage Sunshine
56% *
* Data from: Zermatt, Switzerland (18 KM, 11 Miles).
Saas-Grund Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saas-Grund - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saas-Grund typically rise from around 14°C (57°F) at the start of May to approximately 18°C (64°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 8°C (46°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 Saas-Grund in May
Browse day-by-day weather records for Saas-Grund spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saas-Grund historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Saas-Grund.
- The lowest daytime temperature in May was 2°C (36°F), recorded on May 1, 2016.
- Saas-Grund registered its coldest May night on May 7, 1997, with temperatures dropping to -14°C (7°F).
- The wettest day in May Saas-Grund was on May 28, 2007 with 50 mm (2 in) of precipitation.
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 Saas-Grund in May
Dress warmly and in layers for your trip to Saas-Grund in May. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Saas-Grund in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling4/10 -
Walking4/10 -
Camping3/10 -
Outdoor sports4/10
Saas-Grund 3-Day Forecast
More climate data for Saas-Grund
Temperature Rainfall Sunshine Humidity
See the full Saas-Grund 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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