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 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
The arrival of April brings an increase in high-temperatures, moving from a chilly 6°C (42.8°F) in March to a cool 11.6°C (52.9°F). Throughout the month of April, Sianow observes an average nighttime temperature of 4.8°C (40.6°F).Humidity
With an average relative humidity of 72%, April is the least humid month in Sianow.Rainfall
April is the month with the least rainfall in Sianow. Rain falls for 8.8 days and accumulates 11mm (0.43") of precipitation.Snowfall
January through May, November and December are months with snowfall in Sianow, Poland. In Sianow, Poland, during April, snow falls for 1.4 days and regularly aggregates up to 5mm (0.2") of snow. Throughout the year, in Sianow, there are 31.1 snowfall days, and 172mm (6.77") of snow is accumulated.Daylight
In April, the average length of the day is 14h and 5min.On the first day of the month, sunrise is at 06:25 and sunset at 19:31. On the last day of April, in Sianow, sunrise is at 05:18 and sunset at 20:25 CEST.
Sunshine
The average sunshine in April in Sianow is 9.4h.UV index
In April, the average daily maximum UV index in Sianow is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during April translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Sianow?
What is the least humid month in Sianow?
What is the average humidity in April in Sianow?
What is the driest month in Sianow?
How much does it rain in Sianow in April?
How many days does it snow in April in Sianow?
How many hours of daylight does Sianow have in April?
What time are sunrise and sunset in April in Sianow?
How many hours of sunshine does Sianow have in April?
What is the UV index intensity in April in Sianow?
Average temperature in April
Sianow, Poland
- Average high temperature in April: 11.6°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in April: 4.8°C
The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (-1.1°C).
Average pressure in April
Sianow, Poland
- Average pressure in April: 1015.8mbar
The month with the highest atmospheric pressure is October (1016.4mbar).
The months with the lowest atmospheric pressure are November and December (1013.2mbar).
Average wind speed in April
Sianow, Poland
- Average wind speed in April: 16km/h
The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is August (14.4km/h).
Average humidity in April
Sianow, Poland
- Average humidity in April: 72%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is April (72%).
Average rainfall in April
Sianow, Poland
- Average rainfall in April: 11mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in April
Sianow, Poland
- Average rainfall days in April: 8.8 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is April (8.8 days).
Average snowfall in April
Sianow, Poland
- Average snowfall in April: 5mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in April
Sianow, Poland
- Average snowfall days in April: 1.4 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Sianow, Poland
- Average daylight in April: 14h and 1min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in April: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in April
Sianow, Poland
- Average sunshine days in April: 19.2 days
The month with the most sunshine days is April (19.2 days).
The month with the least sunshine days is December (11.1 days).
Average UV index in April
Sianow, 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 January, November and December (UV index 1).
Average cloud cover in April
Sianow, Poland
- Average cloud cover in April: 37
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Sianow, Poland
- 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).
