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
April
Weather in April
Temperature
April brings a slight rise in Alle's average high-temperature, moving from a chilly 9.3°C (48.7°F) in March to a moderate 14°C (57.2°F). Alle encounters a steady low-temperature average of 4.3°C (39.7°F) throughout the month of April.Humidity
April is the least humid month, with an average relative humidity of 80%.Rainfall
In Alle, during April, the rain falls for 17 days and regularly aggregates up to 52mm (2.05") of precipitation. In Alle, Switzerland, during the entire year, the rain falls for 188.6 days and collects up to 818mm (32.2") of precipitation.Snowfall
Months with snowfall in Alle are January through May, October through December. In Alle, in April, snow falls for 1.5 days, with typically accumulated 35mm (1.38") of snow. Throughout the year, there are 49 snowfall days, and 745mm (29.33") of snow is accumulated.Daylight
The average length of the day in April is 13h and 39min.On the first day of the month, sunrise is at 07:09 and sunset at 20:01. On the last day of April, in Alle, sunrise is at 06:15 and sunset at 20:41 CEST.
Sunshine
The average sunshine in April is 8.4h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 in April translates into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Alle?
What is the least humid month in Alle?
What is the average humidity in April in Alle?
How many days does it rain in April in Alle?
How many days does it snow in April in Alle?
How many hours of daylight does Alle have in April?
When is the sunrise / sunset in April in Alle?
How long on average sun shines in April in Alle?
What is the UV index reading in April in Alle?
Average temperature in April
Alle, Switzerland
- Average high temperature in April: 14°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in April: 4.3°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in April
Alle, Switzerland
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).
Average wind speed in April
Alle, Switzerland
- Average wind speed in April: 9.9km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in April
Alle, Switzerland
- Average humidity in April: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (80%).
Average rainfall in April
Alle, Switzerland
- Average rainfall in April: 52mm
The wettest month (with the highest rainfall) is June (94mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in April
Alle, Switzerland
- Average rainfall days in April: 17 days
The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in April
Alle, Switzerland
- Average snowfall in April: 35mm
The month with the highest snowfall is February (170mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Alle, Switzerland
- Average snowfall days in April: 1.5 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Alle, Switzerland
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in April
Alle, Switzerland
- Average sunshine days in April: 10.7 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is June (6.7 days).
Average UV index in April
Alle, 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, October, November and December (UV index 2).
Average cloud cover in April
Alle, Switzerland
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Alle, 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).
