April weather forecastSiemień, Poland
April
Weather in April
April in Siemień, Poland, is a refreshing spring month, with an average temperature ranging between max 14.1°C (57.4°F) and min 4.8°C (40.6°F).Temperature
April's onset witnesses a shift in the average high-temperature, moving from a frosty 6.5°C (43.7°F) in March to a moderate 14.1°C (57.4°F). Throughout the nights in April, Siemień experiences an average low-temperature of 4.8°C (40.6°F).Humidity
In Siemień, the average relative humidity in April is 69%.Rainfall
In Siemień, during April, the rain falls for 13.9 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, there are 149.5 rainfall days, and 457mm (17.99") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.1 snowfall days, in April, Siemień aggregates 13mm (0.51") of snow. In Siemień, during the entire year, snow falls for 57.8 days and aggregates up to 509mm (20.04") of snow.Daylight
The average length of the day in April is 13h and 54min.On the first day of the month, sunrise is at 06:02 and sunset at 19:02. On the last day of April, sunrise is at 05:00 and sunset at 19:51 CEST.
Sunshine
The average sunshine in April is 8.4h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In April, a daily maximum UV index of 4 leads to the following instructions:
Heed the precautions - It is counselled to guard against solar damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Siemień, Poland
- Average high temperature in April: 14.1°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in April: 4.8°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in April
Siemień, Poland
- Average pressure in April: 1015.8mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in April
Siemień, Poland
- Average wind speed in April: 11.2km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in April
Siemień, Poland
- Average humidity in April: 69%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (67%).
Average rainfall in April
Siemień, Poland
- Average rainfall in April: 25mm
The wettest month (with the highest rainfall) is May (62mm).
The driest month (with the least rainfall) is November (24mm).
Average rainfall days in April
Siemień, Poland
- Average rainfall days in April: 13.9 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in April
Siemień, Poland
- Average snowfall in April: 13mm
The month with the highest snowfall is January (158mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in April
Siemień, Poland
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Siemień, Poland
- Average daylight in April: 13h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in April
Siemień, Poland
- Average sunshine days in April: 13.5 days
The months with the most sunshine days are October and November (16.1 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in April
Siemień, Poland
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in April
Siemień, Poland
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Siemień, Poland
- Average visibility in April: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).





