Overall on the next 14 days there will be 1 days with snow in Sarnen and a total of 1.2 cm of snow.
It will be snowy on the following days:
Sarnen weather in May 2026
Click on a day for an hourly weather forecast
Wednesday
May 6
28 mm
9° / 1°
Thursday
May 7
2.3 mm
9° / -5°
Friday
May 8
0 mm
12° / -2°
Saturday
May 9
0.8 mm
14° / 1°
Sunday
May 10
2.8 mm
11° / 2°
Monday
May 11
5 mm
12° / 1°
Tuesday
May 12
5.8 mm
12° / 3°
Wednesday
May 13
7.3 mm
11° / 0°
Thursday
May 14
1.2 cm
6° / -3°
Friday
May 15
7.5 mm
9° / -3°
Saturday
May 16
12.8 mm
6° / -1°
Sunday
May 17
17.3 mm
4° / 0°
Monday
May 18
2.8 mm
6° / 2°
Tuesday
May 19
1 mm
7° / 3°
🌨️ Snowy days in Sarnen 2026 (May)
The average weather in Sarnen in May
The weather in Sarnen in May is very cold with temperatures between 1°C and 9°C, warm clothes are a must.
There’s going to be many days of rain during the month of May in Sarnen.
Sarnen should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Please note that Sarnen can expect a few days of snow in May.
Our weather forecast can give you a great sense of what weather to expect in Sarnen in May 2026.
If you’re planning to visit Sarnen in the near future, we highly recommend that you review the 14 day weather forecast for Sarnen before you arrive.
Temperatures
9° / 1°
Rainy Days
19
Snowy Days
1
Dry Days
11
Rainfall
294
mm
Sun Hours
8.7
Hrs
Historic average weather for May
Click on a day for an hourly weather forecast
Explore the weather in Sarnen in other months
Sarnen annual weather
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -10° | 9 | 7 | 15 | 149 mm | Awful | Sarnen in January |
| February | -1° / -9° | 9 | 5 | 15 | 115 mm | Awful | Sarnen in February |
| March | 2° / -6° | 11 | 10 | 11 | 144 mm | Awful | Sarnen in March |
| April | 6° / -3° | 12 | 14 | 4 | 172 mm | Awful | Sarnen in April |
| May | 9° / 1° | 19 | 11 | 1 | 294 mm | Bad | Sarnen in May |
| June | 14° / 5° | 18 | 12 | 0 | 294 mm | Ok | Sarnen in June |
| July | 17° / 7° | 17 | 14 | 0 | 287 mm | Ok | Sarnen in July |
| August | 17° / 8° | 16 | 15 | 0 | 274 mm | Ok | Sarnen in August |
| September | 13° / 4° | 10 | 20 | 0 | 152 mm | Bad | Sarnen in September |
| October | 8° / 0° | 8 | 22 | 1 | 146 mm | Bad | Sarnen in October |
| November | 3° / -4° | 8 | 15 | 7 | 139 mm | Awful | Sarnen in November |
| December | -1° / -8° | 8 | 11 | 12 | 129 mm | Awful | Sarnen in December |
Temperatures in Sarnen in May
Rain in Sarnen in May
Recommended Hotels in Sarnen
Weather in Sarnen in May - FAQ
What is the average temperature in Sarnen in May?
The average temperature in Sarnen in May is 1/9° C.
What is the chance of rain in Sarnen in May?
On average, there are 19 rainy days in Sarnen during May.
Weather wise, is May a good time to visit Sarnen?
The weather in Sarnen in May is bad.
Can it snow in Sarnen in May?
On average, there are 1 snowy days in Sarnen in May.
More about the weather in Sarnen


