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's arrival coincides with a temperature rise, moving from March's chilly 8.3°C (46.9°F) to a refreshing 13.9°C (57°F). During the month of April, the nighttime temperature in Altstätten falls to an average of 3.8°C (38.8°F).Humidity
The average relative humidity in April in Altstätten is 76%.Rainfall
The month with the least rainfall in Altstätten is April, when the rain falls for 14.5 days and typically collects 52mm (2.05") of precipitation.Snowfall
January through May, October through December are months with snowfall in Altstätten. In Altstätten, Switzerland, in April, snow falls for 2.8 days, with typically accumulated 71mm (2.8") of snow. In Altstätten, Switzerland, during the entire year, snow falls for 55.7 days and aggregates up to 1345mm (52.95") of snow.Daylight
In April, the average length of the day is 13h and 38min.On the first day of the month, sunrise is at 06:59 and sunset at 19:51. On the last day of April, sunrise is at 06:05 and sunset at 20:32 CEST.
Sunshine
The average sunshine in April in Altstätten is 9.6h.UV index
The average daily maximum UV index in April in Altstätten is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Altstätten?
What is the average humidity in April in Altstätten?
What is the driest month in Altstätten?
How much does it rain in Altstätten in April?
How many days does it snow in April in Altstätten?
What is the average length of the day in April in Altstätten?
When are sunrise and sunset in April in Altstätten?
How many hours of sunshine does Altstätten have in April?
What is the UV index reading in April in Altstätten?
Average temperature in April
Altstätten, Switzerland
- Average high temperature in April: 13.9°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: 3.8°C
The months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in April
Altstätten, Switzerland
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in April
Altstätten, Switzerland
- Average wind speed in April: 7.8km/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 (6.7km/h).
Average humidity in April
Altstätten, Switzerland
- Average humidity in April: 76%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).
Average rainfall in April
Altstätten, Switzerland
- Average rainfall in April: 52mm
The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in April
Altstätten, Switzerland
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in April
Altstätten, Switzerland
- Average snowfall in April: 71mm
The month with the highest snowfall is January (353mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Altstätten, Switzerland
- Average snowfall days in April: 2.8 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Altstätten, 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: 9h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in April
Altstätten, Switzerland
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in April
Altstätten, 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
Altstätten, Switzerland
- Average cloud cover in April: 36
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Altstätten, Switzerland
- Average visibility in April: 9km
The months with the highest visibility are April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, February, March, September and December (8km).
