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Białystok Weather in April

With daytime temperatures of 14°C (57°F) and nighttime lows of 4°C (39°F), April in Białystok brings moderate temperatures during the day. Some rainfall is to be expected during the month.

Rainfall in Białystok in April

Looking at the last 30 years, the data shows about 13 days with rain, averaging 52 mm (2 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Białystok in April

April in Białystok brings typical temperatures with highs around 14°C (57°F) and lows of 4°C (39°F). The difference between afternoon and evening temperatures is usually noticeable. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Białystok in April

The month brings about 138 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Białystok in April

Wind speeds average 3 m/s (6 knots) during April. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July and August typically offer the best weather for Białystok.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Poland, check out our Białystok's climate page.

Białystok Temperature in April

Min TemperatureMin Temperature 4°C (39°F)  
Max TemperatureMax Temperature 14°C (57°F)  
Chance of RainChance of Rain 43%  
PrecipitationPrecipitation 52 mm (2 in)  
Rainy daysRainy days 13 days  
HumidityHumidity 73% *  
WindspeedWindspeed 3 m/s (6 knots) *  
SunshineSunshine 138 hours *  
Percentage SunshinePercentage Sunshine 33% *  
* Data from: Bialystok, Poland (3 KM, 2 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Białystok typically rise from around 10°C (50°F) at the start of April to approximately 16°C (61°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 5°C (41°F).

Average temperatures in April

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in April

Historical weather for Białystok in April

Browse day-by-day weather records for Białystok spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Białystok historical weather extremes in April

Based on 50 years of weather observations in Białystok between 1976 and 2026, these are the recorded extremes.

  • Białystok recorded its highest April temperature of 29°C (84°F) on April 30, 2012.
  • Nighttime temperatures dropped to -8°C (18°F) on April 23, 1981, marking the coldest April night on record.
  • Peak precipitation in April occurred on April 13, 1994, when 26 mm (1 in) of precipitation was measured.

Best Places in Poland in April

Find out more about the weather in Poland and which places have the best travel conditions in this month. See all of Poland in April →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Białystok in April

The weather can be unpredictable in April, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Białystok in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
6/10
Walking
6/10
Camping
4/10
Outdoor sports
10/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Poland, check out our Białystok's climate page.

More climate data for Białystok