Annual mean 9°C · wettest around December · prevailing wind SW
Warmest
23.4 °C
Coldest
-1.9 °C
Wettest
28%
Windiest
4.0 m/s
Prevailing
SW
3.2 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Białystok over the whole year is 9°C. August is the hottest month, with highs of about 23°C; January is the coldest, with lows of about -2°C. Białystok has no sharply defined rainy season: the chance of rain on a given day runs from 11% in April, the driest month, to 19% in December, the wettest. Winds in Białystok are highest in December, averaging 3.0 m/s (11 km/h), and lightest in August, at 2.0 m/s (7 km/h). The prevailing wind is from the SW. The clearest skies in Białystok come in August, when the sky is typically 53% covered; December is the cloudiest month, at 88%.
Month by month Białystok climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-1°C
-2°C
-6°C
18%
86%
2.9 m/s
0
0
1
February
1°C
-1°C
-3°C
17%
78%
2.9 m/s
0
0
3
March
6°C
-0°C
1°C
12%
69%
2.7 m/s
0
0
16
April
12°C
4°C
7°C
11%
62%
2.8 m/s
14
0
50
May
17°C
9°C
14°C
14%
56%
2.4 m/s
48
2
78
June
22°C
14°C
20°C
14%
55%
2.3 m/s
76
22
65
July
22°C
16°C
21°C
18%
60%
2.2 m/s
77
25
59
August
23°C
14°C
22°C
13%
53%
2.0 m/s
79
29
57
September
18°C
10°C
16°C
11%
57%
2.2 m/s
58
7
77
October
11°C
7°C
8°C
17%
71%
2.6 m/s
13
0
60
November
5°C
3°C
1°C
12%
87%
2.7 m/s
0
0
16
December
1°C
-0°C
-4°C
19%
88%
3.0 m/s
0
0
2
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Białystok weather by season
Year round, Białystok has days of about -1°C at their warmest in January, its coolest month, and 23°C in August, its warmest; the coolest hours of the day run from -2°C to 16°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around December and least likely around April. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Białystok weather in winterDecember to February
High 0°CLow -1°CRain 18%
Winter in Białystok has typical daily highs of about 0°C and lows of about -1°C, with a 18% chance of rain on a given day.
Białystok weather in springMarch to May
High 11°CLow 4°CRain 12%
Spring in Białystok has typical daily highs of about 11°C and lows of about 4°C, with a 12% chance of rain on a given day.
Białystok weather in summerJune to August
High 22°CLow 15°CRain 15%
Summer in Białystok has typical daily highs of about 22°C and lows of about 15°C, with a 15% chance of rain on a given day.
Białystok weather in autumnSeptember to November
High 11°CLow 6°CRain 14%
Autumn in Białystok has typical daily highs of about 11°C and lows of about 6°C, with a 14% chance of rain on a given day.
When is the rainy season in Białystok?
Białystok has no sharply defined rainy season: the chance of rain on a given day runs from 11% in April, the driest month, to 19% in December, the wettest.
What time of year is Białystok windiest?
Winds in Białystok are highest in December, averaging 3.0 m/s (11 km/h), and lightest in August, at 2.0 m/s (7 km/h). The prevailing wind is from the SW.
What is the average temperature in Białystok year round?
The average temperature in Białystok over the whole year is 9°C. August is the hottest month, with highs of about 23°C; January is the coldest, with lows of about -2°C.