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 sea temperature 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
A gentle upsurge in temperatures occurs as March gives way to April, with average highs shifting from a chilly 6.5°C (43.7°F) to a fresh 10.8°C (51.4°F). Sønderborg records an average low-temperature of 5.3°C (41.5°F) throughout the month of April.Humidity
The months with the lowest humidity are April, May and August, with an average relative humidity of 77%.Rainfall
April is the month with the least rainfall. Rain falls for 9.8 days and accumulates 12mm (0.47") of precipitation.Snowfall
January through April, November and December are months with snowfall in Sønderborg. April is the last month it regularly snows. During 0.8 snowfall days, in April, Sønderborg aggregates 3mm (0.12") of snow. Throughout the year, there are 19.3 snowfall days, and 54mm (2.13") of snow is accumulated.Sea temperature
In Sønderborg, in April, the average water temperature is 5°C (41°F).Note: Swimming in 5°C (41°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
In Sønderborg, the average length of the day in April is 14h and 8min.On the first day of April, sunrise is at 06:50 and sunset at 19:58. On the last day of the month, sunrise is at 05:41 and sunset at 20:54 CEST.
Sunshine
In April, the average sunshine is 8.4h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 in April translates into these instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What are the least humid months?
What is the average humidity in April?
What is the driest month?
How many days does it rain in April?
What is the last month it snows?
What is the water temperature in April?
How many hours of daylight does Sønderborg have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Sønderborg have in April?
What is the UV index reading in April?
Average temperature in April
Sønderborg, Denmark
- Average high temperature in April: 10.8°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in April: 5.3°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (0.5°C).
Average pressure in April
Sønderborg, Denmark
- Average pressure in April: 1015.7mbar
The months with the highest atmospheric pressure are April and May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in April
Sønderborg, Denmark
- Average wind speed in April: 17km/h
The windiest month (with the highest average wind speed) is December (22.5km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).
Average humidity in April
Sønderborg, Denmark
- Average humidity in April: 77%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are April, May and August (77%).
Average rainfall in April
Sønderborg, Denmark
- Average rainfall in April: 12mm
The wettest month (with the highest rainfall) is July (32mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in April
Sønderborg, Denmark
- Average rainfall days in April: 9.8 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in April
Sønderborg, Denmark
- Average snowfall in April: 3mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Sønderborg, Denmark
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Sønderborg, Denmark
- Average sea temperature in April: 5°C
The best month for swimming (with the highest average sea temperature) is August (18°C).
The coldest month (with the lowest average sea temperature) is February (1°C).
Average daylight in April /
Average sunshine in April
Sønderborg, Denmark
- Average daylight in April: 14h and 1min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in April
Sønderborg, Denmark
- Average sunshine days in April: 17.1 days
The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is December (9.9 days).
Average UV index in April
Sønderborg, Denmark
- Average UV index in April: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Sønderborg, Denmark
- Average cloud cover in April: 43
The months with the most cloud cover are February and December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in April
Sønderborg, Denmark
- Average visibility in April: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
