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
Alster's transition into April sees a rise in the average high-temperature, advancing from a cold 3.5°C (38.3°F) in March to a frosty 9.8°C (49.6°F). During April, Alster observes a consistent average nighttime temperature of 3.3°C (37.9°F).Humidity
In April, the average relative humidity is 71%.Rainfall
April is the month with the least rainfall. Rain falls for 10.2 days and accumulates 16mm (0.63") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Alster, during April, snow falls for 1.9 days and regularly aggregates up to 14mm (0.55") of snow. In Alster, during the entire year, snow falls for 47.6 days and aggregates up to 416mm (16.38") of snow.Daylight
In Alster, Sweden, the average length of the day in April is 14h and 33min.On the first day of April, sunrise is at 06:29 and sunset at 19:48. On the last day of the month, sunrise is at 05:07 and sunset at 20:58 CEST.
Sunshine
In Alster, the average sunshine in April is 8.8h.UV index
In Alster, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 3 in April translates into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Stay sun-safe with clothing that is both closely woven and worn loosely. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Alster?
What is the average humidity in April?
What is the driest month?
How many days does it rain in April?
How many days does it snow in April in Alster?
How many hours of daylight does Alster have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Alster, Sweden
- Average high temperature in April: 9.8°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in April: 3.3°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is February (-3.8°C).
Average pressure in April
Alster, Sweden
- Average pressure in April: 1014.2mbar
The months with the highest atmospheric pressure are April and May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in April
Alster, Sweden
- Average wind speed in April: 13.4km/h
The windiest month (with the highest average wind speed) is December (16.7km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in April
Alster, Sweden
- Average humidity in April: 71%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (69%).
Average rainfall in April
Alster, Sweden
- Average rainfall in April: 16mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in April
Alster, Sweden
- Average rainfall days in April: 10.2 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (7.1 days).
Average snowfall in April
Alster, Sweden
- Average snowfall in April: 14mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Alster, Sweden
- Average snowfall days in April: 1.9 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Alster, Sweden
- Average daylight in April: 14h and 4min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in April: 8h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in April
Alster, Sweden
- Average sunshine days in April: 17.5 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is November (10.6 days).
Average UV index in April
Alster, Sweden
- 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 and December (UV index 1).
Average cloud cover in April
Alster, Sweden
- Average cloud cover in April: 43
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are June, July and August (Cloud cover 40).
Average visibility in April
Alster, Sweden
- Average visibility in April: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (8km).
