Valais
May
Weather in Valais for May 2025
Your guide to Valais weather in May - trends and predictions
In general, the average temperature in Valais at the beginning of May is -0.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 3.3 °C by the end of May.
The climate of Valais in May is notably wet, with an average of 12 rainy days.
Expect heavy snowfall in Valais during May, with an average of 17 snowy days.
Is May a good time to visit Valais? check out the best time to travel to Valais page.
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2
Dry days
12
Rainy days
17
Snow days
2°/-4°
Temperatures
10 km/h
Avg max wind
93 %
Avg humidity
Valais in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  0° | 2  -1° | 3 -2° | 4  -1° | |||
| 5  1° | 6  0° | 7 -2° | 8 0° | 9  1° | 10 5° | 11 7° |
| 12  6° | 13 1° | 14 1° | 15  0° | 16 0° | 17 0° | 18  0° |
| 19  3° | 20 3° | 21 0° | 22 1° | 23 0° | 24 1° | 25 1° |
| 26  5° | 27 3° | 28 5° | 29 6° | 30 4° | 31 -1° |
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Temperatures trend during May in Valais
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 May | Heavy snow | 0° /-3° | 53.9 mm | 5.1 cm | |
| 2 May | Moderate or heavy snow with thunder | -1° /-6° | 31.5 mm | 26.8 cm | |
| 3 May | Moderate or heavy snow with thunder | -2° /-10° | 19.4 mm | 16.5 cm | |
| 4 May | Moderate or heavy snow showers | -1° /-9° | 2.6 mm | 2.2 cm | |
| 5 May | Light rain shower | 1° /-6° | 0.9 mm | 0 cm | |
| 6 May | Moderate or heavy sleet | 0° /-2° | 30.1 mm | 8.3 cm | |
| 7 May | Moderate or heavy snow with thunder | -2° /-4° | 35.6 mm | 30.2 cm | |
| 8 May | Heavy snow | 0° /-6° | 3.3 mm | 2.5 cm | |
| 9 May | Fog | 1° /-6° | 0.1 mm | 0 cm | |
| 10 May | Patchy rain possible | 5° /-4° | 0.2 mm | 0 cm | |
| 11 May | Patchy rain possible | 7° /-1° | 0.5 mm | 0 cm | |
| 12 May | Moderate or heavy rain with thunder | 6° /-1° | 21.1 mm | 0 cm | |
| 13 May | Moderate or heavy rain with thunder | 1° /0° | 14.1 mm | 0 cm | |
| 14 May | Light rain shower | 1° /-4° | 4.9 mm | 0 cm | |
| 15 May | Light sleet | 0° /-2° | 18.5 mm | 0.9 cm | |
| 16 May | Moderate or heavy snow with thunder | 0° /-3° | 6.4 mm | 3.7 cm | |
| 17 May | Moderate or heavy snow with thunder | 0° /-6° | 2.9 mm | 2 cm | |
| 18 May | Light sleet showers | 0° /-7° | 2.3 mm | 0 cm | |
| 19 May | Patchy light rain with thunder | 3° /-4° | 3.3 mm | 0 cm | |
| 20 May | Patchy light rain with thunder | 3° /-2° | 2 mm | 0 cm | |
| 21 May | Moderate or heavy sleet | 0° /-5° | 40.4 mm | 0 cm | |
| 22 May | Moderate or heavy snow with thunder | 1° /-4° | 2.4 mm | 0 cm | |
| 23 May | Moderate or heavy rain with thunder | 0° /-3° | 30.9 mm | 1 cm | |
| 24 May | Moderate or heavy rain with thunder | 1° /-7° | 18.5 mm | 0 cm | |
| 25 May | Moderate or heavy snow with thunder | 1° /-3° | 16.7 mm | 1.5 cm | |
| 26 May | Light freezing rain | 5° /-3° | 0.7 mm | 0 cm | |
| 27 May | Moderate or heavy rain with thunder | 3° /0° | 11.6 mm | 0 cm | |
| 28 May | Light freezing rain | 5° /0° | 0.9 mm | 0 cm | |
| 29 May | Patchy light rain with thunder | 6° /-1° | 2.7 mm | 0 cm | |
| 30 May | Patchy light rain with thunder | 4° /-1° | 6.8 mm | 0 cm | |
| 31 May | Moderate or heavy snow with thunder | -1° /-4° | 8.9 mm | 6.2 cm | |
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Important Notice
Our weather forecast for Valais in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Valais forecast closer to your planned date for the most up-to-date weather information.
Valais in May - FAQ
What are the expected maximum and minimum temperatures in Valais during May?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Valais during May?
Significant rainfall exceeding 394.2 mm is expected in Valais during May, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Valais during May?
Valais experiences an average snowfall of 107 cm during May, occurring over 17 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Valais during May?
The average wind speed in Valais during May is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Valais in May?
As you prepare for your trip to Valais in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Valais, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Thermal Wear: Base layers for cold destinations
- All-Weather Jacket: Waterproof and breathable
- Footwear
- Waterproof Shoes
- Insulated Boots: For snowy and extremely cold temperatures
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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