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
Isola's weather in April presents a minor rise in the average high-temperature, moving from a freezing cold -0.8°C (30.6°F) in March to a wintry 2.4°C (36.3°F). Throughout the month of April, Isola witnesses an average low-temperature of -6.1°C (21°F).Humidity
April is the most humid month, with an average relative humidity of 94%.Rainfall
In Isola, in April, during 12.4 rainfall days, 66mm (2.6") of precipitation is typically accumulated. Throughout the year, there are 139.9 rainfall days, and 641mm (25.24") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Isola, in April, snow falls for 13.3 days, with typically accumulated 328mm (12.91") of snow. Throughout the year, in Isola, there are 97.2 snowfall days, and 1956mm (77.01") of snow is accumulated.Daylight
In Isola, the average length of the day in April is 13h and 35min.On the first day of the month, sunrise is at 06:59 and sunset at 19:50. On the last day of April, in Isola, sunrise is at 06:07 and sunset at 20:28 CEST.
Sunshine
The average sunshine in April is 5.7h.UV index
January through April, October and November, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 1 in April transforms into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is April in Isola?
What is the most humid month in Isola?
What is the average humidity in April in Isola?
How much does it rain in Isola in April?
How much does it snow in Isola in April?
What is the average length of the day in April in Isola?
When are sunrise and sunset in April in Isola?
How many hours of sunshine does Isola have in April?
What are the months with the lowest UV index in Isola?
What is the UV index reading in April in Isola?
Average temperature in April
Isola, Switzerland
- Average high temperature in April: 2.4°C
The warmest month (with the highest average high temperature) is July (15.4°C).
The month with the lowest average high temperature is January (-4.4°C).
- Average low temperature in April: -6.1°C
The month with the highest average low temperature is August (5°C).
The coldest month (with the lowest average low temperature) is January (-13.9°C).
Average pressure in April
Isola, Switzerland
- Average pressure in April: 1015.3mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in April
Isola, Switzerland
- Average wind speed in April: 8.3km/h
The windiest months (with the highest average wind speed) are February and December (9.9km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in April
Isola, Switzerland
- Average humidity in April: 94%
The month with the highest relative humidity is April (94%).
The month with the lowest relative humidity is July (81%).
Average rainfall in April
Isola, Switzerland
- Average rainfall in April: 66mm
The wettest month (with the highest rainfall) is November (84mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in April
Isola, Switzerland
- Average rainfall days in April: 12.4 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is December (2.6 days).
Average snowfall in April
Isola, Switzerland
- Average snowfall in April: 328mm
The month with the highest snowfall is November (492mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in April
Isola, Switzerland
- Average snowfall days in April: 13.3 days
The month with the highest number of snowfall days is March (17 days).
The month with the least snowfall days is August (0 days).
Average daylight in April /
Average sunshine in April
Isola, 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: 5h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in April
Isola, Switzerland
- Average sunshine days in April: 8.3 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in April
Isola, Switzerland
- Average UV index in April: 1
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, April, October and November (UV index 1).
Average cloud cover in April
Isola, Switzerland
- Average cloud cover in April: 66
The month with the most cloud cover is April (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in April
Isola, Switzerland
- Average visibility in April: 5km
The month with the highest visibility is July (8km).
The month with the lowest visibility is April (5km).
