April weather forecastSupraśl, Poland
April
Weather in April
April is a mild spring month in Supraśl, Poland, with temperature in the range of an average high of 13.3°C (55.9°F) and an average low of 3.8°C (38.8°F).Temperature
The shift from March to April brings an increase in the average high-temperature, moving from a wintry 5.8°C (42.4°F) to a moderate 13.3°C (55.9°F). Supraśl experiences a consistent average temperature of 3.8°C (38.8°F) throughout the nights in April.Humidity
The months with the lowest humidity are April and August, with an average relative humidity of 70%.Rainfall
April is the month with the least rainfall in Supraśl. Rain falls for 13.5 days and accumulates 27mm (1.06") of precipitation.Snowfall
January through April, October through December are months with snowfall in Supraśl. April is the last month it regularly snows in Supraśl, Poland. During 2.5 snowfall days, in April, Supraśl aggregates 20mm (0.79") of snow. Throughout the year, there are 71.5 snowfall days, and 596mm (23.46") of snow is accumulated.Daylight
In Supraśl, the average length of the day in April is 14h and 1min.On the first day of the month, sunrise is at 05:58 and sunset at 19:02. On the last day of April, in Supraśl, Poland, sunrise is at 04:53 and sunset at 19:54 CEST.
Sunshine
In Supraśl, the average sunshine in April is 8.3h.UV index
In Supraśl, Poland, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 during April translates into the following directions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Supraśl, Poland
- Average high temperature in April: 13.3°C
The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in April: 3.8°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in April
Supraśl, Poland
- Average pressure in April: 1015.6mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in April
Supraśl, Poland
- Average wind speed in April: 11.5km/h
The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in April
Supraśl, Poland
- Average humidity in April: 70%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in April
Supraśl, Poland
- Average rainfall in April: 27mm
The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in April
Supraśl, Poland
- Average rainfall days in April: 13.5 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in April
Supraśl, Poland
- Average snowfall in April: 20mm
The month with the highest snowfall is January (192mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in April
Supraśl, Poland
- Average snowfall days in April: 2.5 days
The month with the highest number of snowfall days is January (20.3 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
Supraśl, Poland
- Average daylight in April: 14h and 0min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in April: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 12min).
Average sunshine days in April
Supraśl, Poland
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is October (15.5 days).
The months with the least sunshine days are January and February (6.8 days).
Average UV index in April
Supraśl, Poland
- Average UV index in April: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Supraśl, Poland
- Average cloud cover in April: 45
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Supraśl, 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).
