Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's arrival signals an increase in average high-temperatures, moving from March's wintry 4.5°C (40.1°F) to a chilly 9.9°C (49.8°F). Vionnaz reports an average nighttime low-temperature of 0.8°C (33.4°F) in April.Humidity
In April, the average relative humidity is 81%.Rainfall
In Vionnaz, in April, it is raining for 21.1 days, with typically 78mm (3.07") of accumulated precipitation. Throughout the year, in Vionnaz, there are 215.6 rainfall days, and 1219mm (47.99") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In April, it is snowing for 0.6 days. Throughout April, 21mm (0.83") of snow is accumulated. 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 April in Vionnaz is 13h and 35min.On the first day of the month, sunrise is at 07:10 and sunset at 20:01. On the last day of April, sunrise is at 06:19 and sunset at 20:40 CEST.
Sunshine
The average sunshine in April is 9.2h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Vionnaz?
What is the average humidity in April in Vionnaz?
How much does it rain in Vionnaz in April?
How many days does it snow in April in Vionnaz?
How many hours of daylight does Vionnaz have in April?
When are sunrise and sunset in April in Vionnaz?
How many hours of sunshine does Vionnaz have in April?
What is the UV index reading in April in Vionnaz?
Average temperature in April
Vionnaz, Switzerland
- Average high temperature in April: 9.9°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 April: 0.8°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 April
Vionnaz, Switzerland
- Average pressure in April: 1015.3mbar
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 April
Vionnaz, Switzerland
- Average wind speed in April: 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 April
Vionnaz, Switzerland
- Average humidity in April: 81%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (77%).
Average rainfall in April
Vionnaz, Switzerland
- Average rainfall in April: 78mm
The wettest month (with the highest rainfall) is May (144mm).
The driest month (with the least rainfall) is September (54mm).
Average rainfall days in April
Vionnaz, Switzerland
- Average rainfall days in April: 21.1 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 April
Vionnaz, Switzerland
- Average snowfall in April: 21mm
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 April
Vionnaz, Switzerland
- Average snowfall days in April: 0.6 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 April /
Average sunshine in April
Vionnaz, Switzerland
- Average daylight in April: 13h and 4min
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 April: 9h and 1min
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 April
Vionnaz, Switzerland
- Average sunshine days in April: 5.5 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 April
Vionnaz, Switzerland
- Average UV index in April: 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 April
Vionnaz, Switzerland
- Average cloud cover in April: 39
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 April
Vionnaz, Switzerland
- Average visibility in April: 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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