April weather forecastUstroń, Poland
April
Weather in April
April is a refreshing spring month in Ustroń, Poland, with an average temperature ranging between min 3.9°C (39°F) and max 13.2°C (55.8°F).Temperature
April's arrival signals an increase in average high-temperatures, moving from March's chilly 6.6°C (43.9°F) to a mild 13.2°C (55.8°F). During the nights in April, Ustroń experiences a consistent average temperature of 3.9°C (39°F).Humidity
The average relative humidity in April in Ustroń is 74%.Rainfall
In Ustroń, during April, the rain falls for 14.3 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 154.9 rainfall days, and 566mm (22.28") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Ustroń, Poland. In Ustroń, in April, snow falls for 2.5 days, with typically accumulated 22mm (0.87") of snow. Throughout the year, in Ustroń, there are 59.6 snowfall days, and 828mm (32.6") of snow is accumulated.Daylight
In April, the average length of the day in Ustroń is 13h and 47min.On the first day of April, sunrise is at 06:20 and sunset at 19:16. On the last day of the month, sunrise is at 05:22 and sunset at 20:01 CEST.
Sunshine
The average sunshine in April is 8.5h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In April, an average UV index of 4 transforms into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Ustroń, Poland
- Average high temperature in April: 13.2°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in April: 3.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-5.3°C).
Average pressure in April
Ustroń, Poland
- Average pressure in April: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).
Average wind speed in April
Ustroń, Poland
- Average wind speed in April: 10.3km/h
The windiest month (with the highest average wind speed) is December (12.2km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in April
Ustroń, Poland
- Average humidity in April: 74%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (72%).
Average rainfall in April
Ustroń, Poland
- Average rainfall in April: 36mm
The wettest month (with the highest rainfall) is May (74mm).
The driest month (with the least rainfall) is November (33mm).
Average rainfall days in April
Ustroń, Poland
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in April
Ustroń, Poland
- Average snowfall in April: 22mm
The month with the highest snowfall is January (260mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Ustroń, Poland
- Average snowfall days in April: 2.5 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Ustroń, Poland
- Average daylight in April: 13h and 48min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in April: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in April
Ustroń, Poland
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in April
Ustroń, Poland
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in April
Ustroń, Poland
- Average cloud cover in April: 43
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Ustroń, Poland
- Average visibility in April: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





