April weather forecastSiecień, Poland
April
Weather in April
April in Siecień, Poland, is a refreshing spring month, with an average temperature fluctuating between 14.4°C (57.9°F) and 4.3°C (39.7°F).Temperature
The start of April brings a shift in the average high-temperature, increasing from March's chilly 7.4°C (45.3°F) to a mild 14.4°C (57.9°F). Siecień's nights in April experience an average temperature drop to a cold 4.3°C (39.7°F).Humidity
In Siecień, the average relative humidity in April is 69%.Rainfall
The month with the least rainfall is April, when the rain falls for 11.7 days and typically collects 17mm (0.67") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Siecień, during April, snow falls for 1.2 days and regularly aggregates up to 7mm (0.28") of snow. Throughout the year, there are 37.5 snowfall days, and 242mm (9.53") of snow is accumulated.Daylight
In April, the average length of the day is 13h and 58min.On the first day of April, sunrise is at 06:14 and sunset at 19:16. On the last day of the month, sunrise is at 05:10 and sunset at 20:07 CEST.
Sunshine
The average sunshine in April is 8.7h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Siecień, Poland
- Average high temperature in April: 14.4°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in April: 4.3°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in April
Siecień, Poland
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in April
Siecień, Poland
- Average wind speed in April: 13.1km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in April
Siecień, Poland
- Average humidity in April: 69%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in April
Siecień, Poland
- Average rainfall in April: 17mm
The wettest month (with the highest rainfall) is May (51mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in April
Siecień, Poland
- Average rainfall days in April: 11.7 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Siecień, Poland
- Average snowfall in April: 7mm
The month with the highest snowfall is January (81mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Siecień, Poland
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Siecień, Poland
- Average daylight in April: 14h and 0min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in April: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in April
Siecień, Poland
- Average sunshine days in April: 15.4 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in April
Siecień, Poland
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Siecień, Poland
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Siecień, Poland
- Average visibility in April: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).





