April weather forecastLyss, Switzerland
April
Weather in April
April is a moderate spring month in Lyss, Switzerland, with an average temperature varying between 14°C (57.2°F) and 3.5°C (38.3°F).Temperature
In Lyss, stepping into April brings a temperature increase, moving up from March's chilly 8.8°C (47.8°F) to a mild 14°C (57.2°F). The average temperature in Lyss, Switzerland, during April nights dips to a wintry 3.5°C (38.3°F).Humidity
The months with the lowest humidity in Lyss, Switzerland, are April, July and August, with an average relative humidity of 79%.Rainfall
In Lyss, during April, the rain falls for 17.7 days and regularly aggregates up to 59mm (2.32") of precipitation. In Lyss, during the entire year, the rain falls for 195.6 days and collects up to 870mm (34.25") of precipitation.Snowfall
Months with snowfall in Lyss are January through May, September through December. In Lyss, Switzerland, in April, snow falls for 1.1 days, with typically accumulated 23mm (0.91") of snow. In Lyss, during the entire year, snow falls for 37.6 days and aggregates up to 557mm (21.93") of snow.Daylight
In Lyss, the average length of the day in April is 13h and 38min.On the first day of April, sunrise is at 07:08 and sunset at 20:00. On the last day of the month, sunrise is at 06:15 and sunset at 20:40 CEST.
Sunshine
In April, the average sunshine is 9.1h.UV index
The average daily maximum UV index in April in Lyss is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In April, the UV index of 3 transforms into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Lyss, Switzerland
- Average high temperature in April: 14°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in April: 3.5°C
The month with the highest average low temperature is July (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-2.8°C).
Average pressure in April
Lyss, Switzerland
- Average pressure in April: 1015.6mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in April
Lyss, Switzerland
- Average wind speed in April: 8.3km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in April
Lyss, Switzerland
- Average humidity in April: 79%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in April
Lyss, Switzerland
- Average rainfall in April: 59mm
The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (46mm).
Average rainfall days in April
Lyss, Switzerland
- Average rainfall days in April: 17.7 days
The month with the highest number of rainy days is May (21.9 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in April
Lyss, Switzerland
- Average snowfall in April: 23mm
The month with the highest snowfall is February (133mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in April
Lyss, Switzerland
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Lyss, Switzerland
- Average daylight in April: 13h and 36min
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 April: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in April
Lyss, Switzerland
- Average sunshine days in April: 9.7 days
The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is May (6.7 days).
Average UV index in April
Lyss, Switzerland
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Lyss, Switzerland
- Average cloud cover in April: 40
The months with the most cloud cover are January, February and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Lyss, Switzerland
- Average visibility in April: 9km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).





