Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Vionnaz in May witnesses an average high-temperature of a fresh 12.8°C (55°F), indicating a slight variation from April's 9.9°C (49.8°F). Vionnaz usually reports an average low-temperature of 3.7°C (38.7°F) during the month of May.Humidity
In May, the average relative humidity in Vionnaz is 82%.Rainfall
The month with the most rainfall is May, when the rain falls for 23.5 days and typically aggregates up to 144mm (5.67") of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Vionnaz aggregates 9mm (0.35") of snow. In Vionnaz, during the entire year, snow falls for 31.1 days and aggregates up to 561mm (22.09") of snow.Daylight
The average length of the day in May is 15h and 0min.On the first day of May, sunrise is at 06:17 and sunset at 20:41. On the last day of the month, sunrise is at 05:44 and sunset at 21:16 CEST.
Sunshine
In May, the average sunshine is 9.5h.UV index
In Vionnaz, Switzerland, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the UV index of 3 transforms into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Vionnaz?
What is the average humidity in May in Vionnaz?
What is the rainiest month in Vionnaz?
How many days does it rain in May in Vionnaz?
What is the last month it snows in Vionnaz?
How many hours of daylight does Vionnaz have in May?
What time are sunrise and sunset in May in Vionnaz?
How many hours of sunshine does Vionnaz have in May?
What is the UV index intensity in May in Vionnaz?
Average temperature in May
Vionnaz, Switzerland
- Average high temperature in May: 12.8°C
The warmest months (with the highest average high temperature) are July and August (19.8°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in May: 3.7°C
The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is February (-7.1°C).
Average pressure in May
Vionnaz, Switzerland
- Average pressure in May: 1015.9mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in May
Vionnaz, Switzerland
- Average wind speed in May: 7.6km/h
The windiest month (with the highest average wind speed) is December (9.2km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in May
Vionnaz, Switzerland
- Average humidity in May: 82%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (77%).
Average rainfall in May
Vionnaz, Switzerland
- Average rainfall in May: 144mm
The wettest month (with the highest rainfall) is May (144mm).
The driest month (with the least rainfall) is September (54mm).
Average rainfall days in May
Vionnaz, Switzerland
- Average rainfall days in May: 23.5 days
The month with the highest number of rainy days is May (23.5 days).
The month with the least rainy days is October (13.3 days).
Average snowfall in May
Vionnaz, Switzerland
- Average snowfall in May: 9mm
The month with the highest snowfall is January (148mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Vionnaz, Switzerland
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Vionnaz, 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: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Vionnaz, Switzerland
- Average sunshine days in May: 4.3 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (4.3 days).
Average UV index in May
Vionnaz, Switzerland
- Average UV index in May: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Vionnaz, Switzerland
- Average cloud cover in May: 42
The months with the most cloud cover are January, February, March, May and December (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Vionnaz, Switzerland
- Average visibility in May: 8km
The months with the highest visibility are October and November (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (8km).
Vionnaz, Switzerland
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