April weather forecastHertsön, Sweden
April
Weather in April
April is a wintry spring month in Hertsön, Sweden, with an average temperature varying between -1.8°C (28.8°F) and 2.3°C (36.1°F).Temperature
April's onset witnesses a minor shift in the average high-temperature, moving from a freezing cold -1.7°C (28.9°F) in March to a cold 2.3°C (36.1°F). Hertsön records a slight downturn in temperature to an average of -1.8°C (28.8°F) during April nights.Humidity
In April, the average relative humidity in Hertsön, Sweden, is 90%.Rainfall
The month with the least rainfall in Hertsön is April, when the rain falls for 9.3 days and typically collects 25mm (0.98") of precipitation.Snowfall
Months with snowfall in Hertsön are January through May, October through December. In April, in Hertsön, it is snowing for 8.4 days. Throughout April, 69mm (2.72") of snow is accumulated. In Hertsön, Sweden, during the entire year, snow falls for 82.2 days and aggregates up to 846mm (33.31") of snow.Daylight
In Hertsön, the average length of the day in April is 15h and 22min.On the first day of April, sunrise is at 05:43 and sunset at 19:26. On the last day of the month, sunrise is at 03:52 and sunset at 21:03 CEST.
Sunshine
In Hertsön, the average sunshine in April is 6.3h.UV index
The average daily maximum UV index in April in Hertsön is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 2 in April transforms into this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hertsön, Sweden
- Average high temperature in April: 2.3°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-5.7°C).
- Average low temperature in April: -1.8°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in April
Hertsön, Sweden
- Average pressure in April: 1011.7mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in April
Hertsön, Sweden
- Average wind speed in April: 13km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is April (13km/h).
Average humidity in April
Hertsön, Sweden
- Average humidity in April: 90%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (70%).
Average rainfall in April
Hertsön, Sweden
- Average rainfall in April: 25mm
The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in April
Hertsön, Sweden
- Average rainfall days in April: 9.3 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in April
Hertsön, Sweden
- Average snowfall in April: 69mm
The month with the highest snowfall is December (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Hertsön, Sweden
- Average snowfall days in April: 8.4 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Hertsön, Sweden
- Average daylight in April: 15h and 24min
The month with the longest days is June (Average daylight: 22h and 30min).
The month with the shortest days is December (Average daylight: 3h and 30min).
- Average sunshine in April: 6h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in April
Hertsön, Sweden
- Average sunshine days in April: 11.9 days
The months with the most sunshine days are June and October (16.5 days).
The month with the least sunshine days is December (11.6 days).
Average UV index in April
Hertsön, Sweden
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in April
Hertsön, Sweden
- Average cloud cover in April: 59
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in April
Hertsön, Sweden
- Average visibility in April: 7km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (7km).
