Bialystok Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bialystok.
Climate overview of Bialystok
Temperatures in Bialystok, Poland, vary greatly throughout the year. July is the hottest month at 25°C (77°F), while January is the coldest at 1°C (34°F).
With around 722 mm (28 in) of annual rain/snowfall, the city has moderate precipitation levels. July is the wettest month and November the driest. It also has warm summers and very cold winters. June is the sunniest month, averaging 7.9 hours of sunshine per day.
Bialystok Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bialystok - and find the best time to visit.
Monthly Temperature in Bialystok
The climate in Bialystok is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in July to a very cold 1°C (34°F) in the coolest month, January.
Nights vary from 14°C (57°F) in July to around -5°C (23°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Bialystok
Generally, Bialystok receives mid-range precipitation levels, with 722 mm (28 in) annually. Bialystok offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month July (88 mm (3.5 in)) and the driest month November (46 mm (1.8 in)) is not too significant. For more details, please visit our Bialystok Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Bialystok
For those who appreciate different seasons, Bialystok serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 7.9 hours of sunshine daily, and embrace the darker days in December, offering only 0.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Bialystok by Month
The relative humidity is high throughout the year in Bialystok.
The city experiences its highest humidity in December, reaching 89%. In May, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Bialystok
The average wind speed over the year ranges from 2 m/s (4 knots) to 3 m/s (6 knots). It is lower in May, June, July, August, September and October and higher in January, February, March, April, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Bialystok
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July and August
- Warmest weather: July and August
- Most sunshine: June
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Bialystok
What is the best time to visit Bialystok?
May, June, July and August typically offer the most optimal weather in Bialystok. In contrast, January, February, March, November and December tend to have less optimal conditions. Bialystok has warm summers and very cold winters.
What temperatures can I expect in Bialystok?
Daytime highs range from 1°C (34°F) in January to 25°C (77°F) in July. Nighttime lows range from -5°C (23°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Bialystok get?
Annual rainfall is around 722 mm (28 in). July is the wettest month with 88 mm (3.5 in), while November is the driest with 46 mm (1.8 in).
How sunny is Bialystok?
Bialystok receives around 1,523 hours of sunshine per year. June is the sunniest month with 236 hours, while December is the cloudiest with just 20 hours.
Bialystok 3-Day Forecast
Bialystok on the map
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