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
As April arrives, Heiden's weather shows an increase in high-temperatures, moving from March's frosty 8.3°C (46.9°F) to a mild 13.9°C (57°F). During April, Heiden's temperature falls to a steady low-temperature average of 3.8°C (38.8°F).Humidity
In April, the average relative humidity in Heiden is 76%.Rainfall
April is the month with the least rainfall. Rain falls for 14.5 days and accumulates 52mm (2.05") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Heiden, Switzerland, during April, snow falls for 2.8 days and regularly aggregates up to 71mm (2.8") of snow. Throughout the year, there are 55.7 snowfall days, and 1345mm (52.95") of snow is accumulated.Daylight
In Heiden, the average length of the day in April is 13h and 39min.On the first day of the month, sunrise is at 06:59 and sunset at 19:51. On the last day of April, in Heiden, sunrise is at 06:05 and sunset at 20:32 CEST.
Sunshine
In April, the average sunshine is 9.6h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 3 in April translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Heiden?
What is the average humidity in April in Heiden?
What is the driest month in Heiden?
How many days does it rain in April in Heiden?
How much does it snow in Heiden in April?
How many hours of daylight does Heiden have in April?
When is the sunrise / sunset in April in Heiden?
How many hours of sunshine does Heiden have in April?
What is the UV index intensity in April in Heiden?
Average temperature in April
Heiden, 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
Heiden, 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
Heiden, 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
Heiden, 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
Heiden, 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
Heiden, 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
Heiden, 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
Heiden, 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
Heiden, 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
Heiden, 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
Heiden, 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
Heiden, 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
Heiden, 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).
