April weather forecastHässelby, Sweden
April
Weather in April
April is a fresh spring month in Hässelby, Sweden, with an average temperature varying between 2.1°C (35.8°F) and 10.7°C (51.3°F).Temperature
The onset of April brings a rise in the average high-temperature, elevating from a cold 4.3°C (39.7°F) in March to a cool 10.7°C (51.3°F). Throughout April, the nighttime temperature averages to an icy 2.1°C (35.8°F).Humidity
The average relative humidity in April in Hässelby is 72%.Rainfall
The month with the least rainfall is April, when the rain falls for 10.5 days and typically collects 19mm (0.75") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Hässelby, during April, snow falls for 2.3 days and regularly aggregates up to 20mm (0.79") of snow. In Hässelby, during the entire year, snow falls for 49.3 days and aggregates up to 420mm (16.54") of snow.Daylight
The average length of the day in April in Hässelby, Sweden, is 14h and 32min.On the first day of the month, sunrise is at 06:17 and sunset at 19:35. On the last day of April, in Hässelby, sunrise is at 04:55 and sunset at 20:44 CEST.
Sunshine
The average sunshine in April in Hässelby, Sweden, is 8h.UV index
In Hässelby, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hässelby, Sweden
- Average high temperature in April: 10.7°C
The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in April: 2.1°C
The month with the highest average low temperature is July (12.4°C).
The coldest months (with the lowest average low temperature) are January and February (-4.6°C).
Average pressure in April
Hässelby, Sweden
- Average pressure in April: 1014.4mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in April
Hässelby, Sweden
- Average wind speed in April: 12.5km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in April
Hässelby, Sweden
- Average humidity in April: 72%
The months with the highest relative humidity are January, February, November and December (90%).
The months with the lowest relative humidity are May and June (70%).
Average rainfall in April
Hässelby, Sweden
- Average rainfall in April: 19mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in April
Hässelby, Sweden
- Average rainfall days in April: 10.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in April
Hässelby, Sweden
- Average snowfall in April: 20mm
The month with the highest snowfall is February (112mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Hässelby, Sweden
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Hässelby, Sweden
- Average daylight in April: 14h and 30min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in April
Hässelby, Sweden
- Average sunshine days in April: 16.7 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in April
Hässelby, Sweden
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Hässelby, Sweden
- Average cloud cover in April: 47
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 42).
Average visibility in April
Hässelby, Sweden
- Average visibility in April: 9km
The months with the highest visibility are April, May, June, July, August and October (9km).
The months with the lowest visibility are January and February (7km).
