- Save up to £300 on holidays (Jan 2026-Nov 2027)
- Book online with TUI Black Friday discount code
- Sign up to myTUI. Discount varies by spend. T&Cs apply
Bialystok weather by month
Check out Bialystok weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Bialystok (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | -3 |
-1 |
5 |
12 |
19 |
22 |
23 |
22 |
17 |
11 |
5 |
0 |
| Min temperature (night-time) | -8 |
-7 |
-3 |
2 |
7 |
10 |
12 |
11 |
8 |
4 |
0 |
-5 |
| Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Bialystok
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight | 8 |
10 |
12 |
14 |
16 |
17 |
16 |
15 |
13 |
11 |
9 |
8 |
| UV Index (Maximum) | 0 |
1 |
2 |
4 |
5 |
6 |
6 |
5 |
4 |
2 |
1 |
0 |
Rainfall in Bialystok
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 17 |
14 |
13 |
13 |
13 |
14 |
14 |
12 |
13 |
13 |
16 |
19 |
| Average monthly rainfall (mm) | 33 |
29 |
32 |
38 |
54 |
72 |
76 |
65 |
53 |
45 |
41 |
40 |
More about Bialystok
Bialystok by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Poland
Expires at 23:59 on Tuesday 2nd Dec 2025 · View all TUI offers
The climate guide for Poland (Bialystok) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Bialystok?
Bialystok has a cold climate with warm summers and some rainfall in all months.
Bialystok weather in January
Expect daytime maximum temperatures of -3°C in Bialystok, Poland in January based on long-term weather averages. There is 1 hour of sunshine per day on average with 17 days with some rainfall, which might fall as snow.
- -3°C max day temperature
-3 - 1 hour of sunshine per day
- 17 days with some rainfall
17 - -8°C min night temperature
-8 - 8 hours of daylight per day
8 - No heat & humidity
0 - 33 mm of monthly rainfall
33 - No UV (Maximum) Index UV index
0
Bialystok weather in February
Expect daytime maximum temperatures of -1°C in Bialystok, Poland in February based on long-term weather averages. There are 2 hours of sunshine per day on average with 14 days with some rainfall, which might fall as snow.
- -1°C max day temperature
-1 - 2 hours of sunshine per day
- 14 days with some rainfall
14 - -7°C min night temperature
-7 - 10 hours of daylight per day
10 - No heat & humidity
0 - 29 mm of monthly rainfall
29 - 1 (Low) UV index
1
Bialystok weather in March
Expect daytime maximum temperatures of 5°C in Bialystok, Poland in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 13 days with some rainfall, which might fall as snow.
- 5°C max day temperature
5 - 4 hours of sunshine per day
- 13 days with some rainfall
13 - -3°C min night temperature
-3 - 12 hours of daylight per day
12 - No heat & humidity
0 - 32 mm of monthly rainfall
32 - 2 (Low) UV index
2
Bialystok weather in April
Expect daytime maximum temperatures of 12°C in Bialystok, Poland in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall.
- 12°C max day temperature
12 - 5 hours of sunshine per day
- 13 days with some rainfall
13 - 2°C min night temperature
2 - 14 hours of daylight per day
14 - No heat & humidity
0 - 38 mm of monthly rainfall
38 - 4 (Moderate) UV index
4
Bialystok weather in May
Expect daytime maximum temperatures of 19°C in Bialystok, Poland in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 54 mm of rainfall in the month.
- 19°C max day temperature
19 - 7 hours of sunshine per day
- 13 days with some rainfall
13 - 7°C min night temperature
7 - 16 hours of daylight per day
16 - No heat & humidity
0 - 54 mm of monthly rainfall
54 - 5 (Moderate) UV index
5
Bialystok weather in June
Expect daytime maximum temperatures of 22°C in Bialystok, Poland in June based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 72 mm of rainfall in the month.
- 22°C max day temperature
22 - 8 hours of sunshine per day
- 14 days with some rainfall
14 - 10°C min night temperature
10 - 17 hours of daylight per day
17 - No heat & humidity
0 - 72 mm of monthly rainfall
72 - 6 (High) UV index
6
Bialystok weather in July
Expect daytime maximum temperatures of 23°C in Bialystok, Poland in July based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 76 mm of rainfall in the month.
- 23°C max day temperature
23 - 8 hours of sunshine per day
- 14 days with some rainfall
14 - 12°C min night temperature
12 - 16 hours of daylight per day
16 - No heat & humidity
0 - 76 mm of monthly rainfall
76 - 6 (High) UV index
6
Bialystok weather in August
Expect daytime maximum temperatures of 22°C in Bialystok, Poland in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 65 mm of rainfall in the month.
- 22°C max day temperature
22 - 7 hours of sunshine per day
- 12 days with some rainfall
12 - 11°C min night temperature
11 - 15 hours of daylight per day
15 - No heat & humidity
0 - 65 mm of monthly rainfall
65 - 5 (Moderate) UV index
5
Bialystok weather in September
Expect daytime maximum temperatures of 17°C in Bialystok, Poland in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 53 mm of rainfall in the month.
- 17°C max day temperature
17 - 5 hours of sunshine per day
- 13 days with some rainfall
13 - 8°C min night temperature
8 - 13 hours of daylight per day
13 - No heat & humidity
0 - 53 mm of monthly rainfall
53 - 4 (Moderate) UV index
4
Bialystok weather in October
Expect daytime maximum temperatures of 11°C in Bialystok, Poland in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 13 days with some rainfall and typically 45 mm of rainfall in the month.
- 11°C max day temperature
11 - 3 hours of sunshine per day
- 13 days with some rainfall
13 - 4°C min night temperature
4 - 11 hours of daylight per day
11 - No heat & humidity
0 - 45 mm of monthly rainfall
45 - 2 (Low) UV index
2
Bialystok weather in November
Expect daytime maximum temperatures of 5°C in Bialystok, Poland in November based on long-term weather averages. There is 1 hour of sunshine per day on average with 16 days with some rainfall and typically 41 mm of rainfall in the month.
- 5°C max day temperature
5 - 1 hour of sunshine per day
- 16 days with some rainfall
16 - 0°C min night temperature
0 - 9 hours of daylight per day
9 - No heat & humidity
0 - 41 mm of monthly rainfall
41 - 1 (Low) UV index
1
Bialystok weather in December
Expect daytime maximum temperatures of 0°C in Bialystok, Poland in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 19 days with some rainfall and typically 40 mm of rainfall in the month, which might fall as snow.
- 0°C max day temperature
0 - 1 hour of sunshine per day
- 19 days with some rainfall
19 - -5°C min night temperature
-5 - 8 hours of daylight per day
8 - No heat & humidity
0 - 40 mm of monthly rainfall
40 - No UV (Maximum) Index UV index
0
More about Bialystok
Bialystok by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Poland
- Save up to £300 on holidays (Jan 2026-Nov 2027)
- Book online with TUI Black Friday discount code
- Sign up to myTUI. Discount varies by spend. T&Cs apply
Expires at 23:59 on Tuesday 2nd Dec 2025 · View all TUI offers
The climate guide for Poland (Bialystok) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Poland
Compare Bialystok with the UK
Below the Bialystok chart shows average maximum daytime temperature for Bialystok, Poland and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Bialystok weather >>
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holiday destinations
- Beach holidays
- City breaks
- Family holidays
- Half term holidays
- Spring holidays
- Summer holidays
- Autumn holidays
- Winter sun holidays
- Honeymoons
- Coolcations
- Compare places
- Ski resorts
Save with latest deals & discounts
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- TUI
- Jet2holidays
- Neilson
- Marella Cruises
- Pierre & Vacances
- Caledonian Travel
- Club Med
- Black Friday sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport












TUI deal finder