May weather forecastZermatt, Switzerland
May
Weather in May
May continues the warming trend begun in April, with temperatures climbing and the snowy landscapes diminishing. This break from the winter chill paves the way for the blossoming of flora, lending vibrancy to the city's scenic beauty. Medium levels of rainfall give rise to lush green mountains, making May a great time for nature enthusiasts to visit. On warmer days, the clear blue skies offer excellent conditions for paragliding, while the cool nights make for comfortable strolls in this picturesque town.Temperature
The commencement of May in Zermatt sees a minor shift in the average high-temperature, moving from 1.7°C (35.1°F) in April to a still cold 4.8°C (40.6°F). In Zermatt, the average temperature during the nights of May drops to a subzero cold -2.2°C (28°F).Humidity
The average relative humidity in May in Zermatt is 91%.Rainfall
In Zermatt, during May, the rain falls for 18.8 days and regularly aggregates up to 122mm (4.8") of precipitation. Throughout the year, there are 146.2 rainfall days, and 991mm (39.02") of precipitation is accumulated.Snowfall
Months with snowfall are January through December. In May, it is snowing for 9.8 days. Throughout May, 349mm (13.74") of snow is accumulated. Throughout the year, there are 113.3 snowfall days, and 3425mm (134.84") of snow is accumulated.Daylight
In May, the average length of the day is 14h and 58min.On the first day of May in Zermatt, sunrise is at 06:14 and sunset at 20:37. On the last day of the month, sunrise is at 05:41 and sunset at 21:11 CEST.
Sunshine
In May, the average sunshine in Zermatt, Switzerland, is 6.3h.UV index
The months with the lowest UV index in Zermatt are January through May, October and November, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 1 in May suggests the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Zermatt, Switzerland
- Average high temperature in May: 4.8°C
The warmest month (with the highest average high temperature) is July (13.5°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in May: -2.2°C
The month with the highest average low temperature is July (4.6°C).
The coldest month (with the lowest average low temperature) is January (-13.5°C).
Average pressure in May
Zermatt, Switzerland
- Average pressure in May: 1015.4mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in May
Zermatt, Switzerland
- Average wind speed in May: 7.9km/h
The windiest month (with the highest average wind speed) is December (10.3km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in May
Zermatt, Switzerland
- Average humidity in May: 91%
The months with the highest relative humidity are March and April (92%).
The months with the lowest relative humidity are July and August (82%).
Average rainfall in May
Zermatt, Switzerland
- Average rainfall in May: 122mm
The wettest month (with the highest rainfall) is November (137mm).
The driest month (with the least rainfall) is January (30mm).
Average rainfall days in May
Zermatt, Switzerland
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is July (24.8 days).
The month with the least rainy days is January (1.7 days).
Average snowfall in May
Zermatt, Switzerland
- Average snowfall in May: 349mm
The month with the highest snowfall is November (867mm).
The month with the least snowfall is July (1mm).
Average snowfall days in May
Zermatt, Switzerland
- Average snowfall days in May: 9.8 days
The month with the highest number of snowfall days is March (19.2 days).
The month with the least snowfall days is July (0.2 days).
Average daylight in May /
Average sunshine in May
Zermatt, Switzerland
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 6h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is November (Average sunshine: 4h and 0min).
Average sunshine days in May
Zermatt, Switzerland
- Average sunshine days in May: 6.2 days
The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is June (4.6 days).
Average UV index in May
Zermatt, Switzerland
- Average UV index in May: 1
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, April, May, October and November (UV index 1).
Average cloud cover in May
Zermatt, Switzerland
- Average cloud cover in May: 65
The month with the most cloud cover is April (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 46).
Average visibility in May
Zermatt, Switzerland
- Average visibility in May: 6km
The months with the highest visibility are July and August (8km).
The months with the lowest visibility are February, March, April, May and November (6km).





