Białystok weather in April
Temperature, rain and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Fair
Best time to visit: May – September
What is the weather like in Białystok in April?
In April, Białystok is cool: daytime highs average 13 °C, and nights cool down to about 3 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 44 mm in total. All in all, April is a so-so month for a holiday in Białystok.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 13 h 55 min05:30 – 19:25
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 60 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 1 day1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Warsaw
How the score comes together
- Temperatureweight 50 %47 %
- Sunshineweight 20 %60 %
- Few rainy daysweight 30 %60 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in April
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Białystok in April: quick answers
Is Białystok hot in April?
No. In April, Białystok is cool: daytime highs average 13 °C and nights drop to about 3 °C.
Does it rain much in Białystok in April?
Rain is frequent, with about 10 rainy days and 44 mm in total.
Białystok month by month
The whole year in BiałystokAll destinations: PolandWhere to go in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences