April weather forecastKallhäll, Sweden
April
Weather in April
April is a chilly spring month in Kallhäll, Sweden, with temperature in the range of an average low of 2.6°C (36.7°F) and an average high of 9.5°C (49.1°F).Temperature
April's arrival brings a temperature shift, moving from a cold 3.5°C (38.3°F) in March to a frosty 9.5°C (49.1°F). Kallhäll experiences an average temperature drop to a wintry 2.6°C (36.7°F) during April nights.Humidity
In Kallhäll, the average relative humidity in April is 73%.Rainfall
April is the month with the least rainfall. Rain falls for 9.7 days and accumulates 13mm (0.51") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Kallhäll, in April, during 2.3 snowfall days, 14mm (0.55") of snow is typically accumulated. In Kallhäll, Sweden, during the entire year, snow falls for 45.6 days and aggregates up to 310mm (12.2") of snow.Daylight
In April, the average length of the day is 14h and 34min.On the first day of the month, sunrise is at 06:12 and sunset at 19:32. On the last day of April, sunrise is at 04:50 and sunset at 20:41 CEST.
Sunshine
The average sunshine in April is 8.3h.UV index
In Kallhäll, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In April, a daily UV index of 3 turns into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Kallhäll, Sweden
- Average high temperature in April: 9.5°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in April: 2.6°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in April
Kallhäll, Sweden
- Average pressure in April: 1014.2mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in April
Kallhäll, Sweden
- Average wind speed in April: 14.4km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest months (with the lowest average wind speed) are July and August (12.3km/h).
Average humidity in April
Kallhäll, Sweden
- Average humidity in April: 73%
The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is May (72%).
Average rainfall in April
Kallhäll, Sweden
- Average rainfall in April: 13mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in April
Kallhäll, Sweden
- Average rainfall days in April: 9.7 days
The months with the highest number of rainy days are July and August (15.7 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in April
Kallhäll, Sweden
- Average snowfall in April: 14mm
The month with the highest snowfall is February (86mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Kallhäll, Sweden
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Kallhäll, Sweden
- Average daylight in April: 14h and 36min
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 18min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in April
Kallhäll, Sweden
- Average sunshine days in April: 16.6 days
The month with the most sunshine days is May (17.9 days).
The months with the least sunshine days are July and November (12.5 days).
Average UV index in April
Kallhäll, 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 February (UV index 1).
Average cloud cover in April
Kallhäll, Sweden
- Average cloud cover in April: 46
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in April
Kallhäll, Sweden
- Average visibility in April: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
