April weather forecastKällby, Sweden
April
Weather in April
April is a fresh spring month in Källby, Sweden, with an average temperature fluctuating between 3.3°C (37.9°F) and 10.4°C (50.7°F).Temperature
Källby, Sweden, sees an increase in the average high-temperature with the arrival of April, moving from March's icy 4.2°C (39.6°F) to a fresh 10.4°C (50.7°F). Throughout the month of April, Källby sees a steady low-temperature average of 3.3°C (37.9°F).Humidity
With an average relative humidity of 71%, April is the least humid month.Rainfall
April is the month with the least rainfall in Källby. Rain falls for 11.2 days and accumulates 18mm (0.71") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Källby, during April, snow falls for 2.1 days and regularly aggregates up to 12mm (0.47") of snow. Throughout the year, there are 46.2 snowfall days, and 378mm (14.88") of snow is accumulated.Daylight
In Källby, the average length of the day in April is 14h and 28min.On the first day of April, sunrise is at 06:32 and sunset at 19:48. On the last day of the month, sunrise is at 05:12 and sunset at 20:55 CEST.
Sunshine
In Källby, Sweden, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index in Källby is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In April, a regular UV index of 3 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Källby, Sweden
- Average high temperature in April: 10.4°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in April: 3.3°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is February (-3.2°C).
Average pressure in April
Källby, Sweden
- Average pressure in April: 1014.4mbar
The months with the highest atmospheric pressure are April and May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in April
Källby, Sweden
- Average wind speed in April: 14.9km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in April
Källby, Sweden
- Average humidity in April: 71%
The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is April (71%).
Average rainfall in April
Källby, Sweden
- Average rainfall in April: 18mm
The wettest month (with the highest rainfall) is June (56mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in April
Källby, Sweden
- Average rainfall days in April: 11.2 days
The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in April
Källby, Sweden
- Average snowfall in April: 12mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Källby, Sweden
- Average snowfall days in April: 2.1 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Källby, Sweden
- Average daylight in April: 14h and 30min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in April
Källby, Sweden
- Average sunshine days in April: 15.2 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in April
Källby, 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
Källby, Sweden
- Average cloud cover in April: 44
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 42).
Average visibility in April
Källby, Sweden
- Average visibility in April: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
