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
As March transitions into April, Illiswil sees a rise in the average high-temperature, moving from a chilly 8.3°C (46.9°F) to a moderate 13.8°C (56.8°F). Throughout April, Illiswil witnesses a consistent average low-temperature of 2.8°C (37°F).Humidity
April, July and August, with an average relative humidity of 77%, are the least humid months in Illiswil, Switzerland.Rainfall
In Illiswil, in April, during 14.8 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, there are 149.7 rainfall days, and 438mm (17.24") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Illiswil, in April, snow falls for 1.7 days, with typically accumulated 25mm (0.98") of snow. Throughout the year, there are 38 snowfall days, and 413mm (16.26") of snow is accumulated.Daylight
In April, the average length of the day is 13h and 37min.On the first day of the month, sunrise is at 07:08 and sunset at 20:00. On the last day of April, sunrise is at 06:15 and sunset at 20:39 CEST.
Sunshine
In April, the average sunshine in Illiswil is 9h.UV index
In Illiswil, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 3 during April translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What are April temperatures in Illiswil?
What is the least humid month in Illiswil?
What is the average humidity in April in Illiswil?
How much does it rain in Illiswil in April?
How much does it snow in Illiswil in April?
How many hours of daylight does Illiswil have in April?
What time are sunrise and sunset in April in Illiswil?
How many hours of sunshine does Illiswil have in April?
What is the UV index reading in April in Illiswil?
Average temperature in April
Illiswil, Switzerland
- Average high temperature in April: 13.8°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 (2.9°C).
- Average low temperature in April: 2.8°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).
Average pressure in April
Illiswil, Switzerland
- Average pressure in April: 1015.5mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in April
Illiswil, Switzerland
- Average wind speed in April: 7.6km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in April
Illiswil, Switzerland
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in April
Illiswil, Switzerland
- Average rainfall in April: 28mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in April
Illiswil, Switzerland
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in April
Illiswil, Switzerland
- Average snowfall in April: 25mm
The month with the highest snowfall is February (104mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Illiswil, Switzerland
- Average snowfall days in April: 1.7 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Illiswil, Switzerland
- Average daylight in April: 13h and 4min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in April
Illiswil, Switzerland
- Average sunshine days in April: 11.5 days
The month with the most sunshine days is October (19.5 days).
The months with the least sunshine days are May and June (9.3 days).
Average UV index in April
Illiswil, 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
Illiswil, Switzerland
- Average cloud cover in April: 40
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Illiswil, Switzerland
- Average visibility in April: 9km
The months with the highest visibility are March, April and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October and November (8km).
Illiswil, Switzerland
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