May weather forecastVitznau, Switzerland
May
Weather in May
May, the last month of the spring in Vitznau, is a moderate month, with an average temperature varying between 5.1°C (41.2°F) and 15.7°C (60.3°F).Temperature
May denotes a minimal variation in the average high-temperature to a moderate 15.7°C (60.3°F) from April's 12.8°C (55°F). Throughout May, the nighttime temperature averages to a wintry 5.1°C (41.2°F).Humidity
In Vitznau, the average relative humidity in May is 79%.Rainfall
In Vitznau, Switzerland, in May, during 21.5 rainfall days, 114mm (4.49") of precipitation is typically accumulated. Throughout the year, there are 186.8 rainfall days, and 981mm (38.62") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Vitznau. May is the last month it regularly snows. During 0.1 snowfall days, in May, Vitznau aggregates 8mm (0.31") of snow. Throughout the year, there are 35.5 snowfall days, and 692mm (27.24") of snow is accumulated.Daylight
In May, the average length of the day is 15h and 5min.On the first day of the month, sunrise is at 06:09 and sunset at 20:36. On the last day of May, in Vitznau, sunrise is at 05:35 and sunset at 21:12 CEST.
Sunshine
In May, the average sunshine in Vitznau, Switzerland, is 9.2h.UV index
In Vitznau, Switzerland, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vitznau, Switzerland
- Average high temperature in May: 15.7°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in May: 5.1°C
The month with the highest average low temperature is August (10.9°C).
The coldest month (with the lowest average low temperature) is February (-4.9°C).
Average pressure in May
Vitznau, Switzerland
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
Vitznau, Switzerland
- Average wind speed in May: 7.1km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in May
Vitznau, Switzerland
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in May
Vitznau, Switzerland
- Average rainfall in May: 114mm
The wettest month (with the highest rainfall) is July (121mm).
The driest month (with the least rainfall) is September (52mm).
Average rainfall days in May
Vitznau, Switzerland
- Average rainfall days in May: 21.5 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is October (11.2 days).
Average snowfall in May
Vitznau, Switzerland
- Average snowfall in May: 8mm
The month with the highest snowfall is February (169mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Vitznau, Switzerland
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Vitznau, Switzerland
- Average daylight in May: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Vitznau, Switzerland
- Average sunshine days in May: 7.8 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in May
Vitznau, Switzerland
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Vitznau, Switzerland
- Average cloud cover in May: 43
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Vitznau, Switzerland
- Average visibility in May: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is January (7km).





