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
Bialystok sees an increase in average high-temperatures during April, moving from a wintry 5.8°C (42.4°F) in March to a refreshing 13.3°C (55.9°F). The average low-temperature in Bialystok during April nights is a cold 3.8°C (38.8°F).Humidity
The months with the lowest humidity in Bialystok, Poland, are April and August, with an average relative humidity of 70%.Rainfall
The month with the least rainfall in Bialystok is April, when the rain falls for 13.5 days and typically collects 27mm (1.06") of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2.5 snowfall days, in April, Bialystok 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 Bialystok, the average length of the day in April is 14h and 1min.On the first day of the month, sunrise is at 05:59 and sunset at 19:02. On the last day of April, sunrise is at 04:54 and sunset at 19:54 CEST.
Sunshine
The average sunshine in April is 8.3h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 4 in April leads to these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Bialystok in April?
What are the least humid months in Bialystok?
What is the average humidity in April in Bialystok?
What is the driest month in Bialystok?
How much does it rain in Bialystok in April?
What is the last month it snows in Bialystok?
What is the average length of the day in April in Bialystok?
When is the sunrise / sunset in April in Bialystok?
How long on average sun shines in April in Bialystok?
What is the UV index intensity in April in Bialystok?
Average temperature in April
Bialystok, 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
Bialystok, 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
Bialystok, 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
Bialystok, 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
Bialystok, 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
Bialystok, 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
Bialystok, 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
Bialystok, 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
Bialystok, 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 2min
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
Bialystok, 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
Bialystok, 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
Bialystok, 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
Bialystok, 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).
