Bielsko-Biala weather in July

In July, Bielsko-Biala sees average daytime highs of 23°C and overnight lows near 13°C, with 141 mm of rain across 17.3 wet days and about 15.7 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 23°C by the end. The sky is clear or mostly clear about 28% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 06 min at the start of July to 15 h 06 min by month's end. Set against the rest of the year, July is Bielsko-Biala's 2nd-clearest and 11th-windiest month. For the whole year in context, see Bielsko-Biala's year-round climate.

Daytime high
23°
1st warmest
Overnight low
13°
12th coldest
Rainfall
141 mm
17.3 wet days
Daylight
15 h 42 min
3:58 AM – 7:41 PM
Cloud cover
59%
2nd clearest
Wind
9 km/h
11th windiest
Solar energy
5.08 kWh/m²
Travel score
5.7
out of 10

Bielsko-Biala is city in Silesian Voivodeship, Poland.

Air quality
Elevated
PM2.5 21.6 µg/m³ · 2019
Density
1,412/km²
people per km²
Founded
1312

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 23°C by the end.

A typical July day in Bielsko-Biala reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12212
22212
32212
42212
52212
62212
72212
82212
92212
102213
112213
122213
132213
142213
152213
162213
172213
182313
192313
202313
212313
222313
232313
242313
252314
262314
272314
282314
292314
302314
312414

How July really feels in Bielsko-Biala

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bielsko-Biala weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°6613.110.78.40.0
Feb / -4°6312.39.99.70.0
Mar / -1°7213.6711.50.8
Apr13° / 73132.813.53.3
May18° / 12016.90.215.14.8
Jun21° / 11°12316.10165.4
Jul23° / 13°14117.3015.75.7
Aug23° / 13°10613.3014.26.3
Sep18° / 10013012.45.2
Oct13° / 7611.91.410.53.3
Nov / 6711.95.38.80.8
Dec / -3°6412.29.180.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54951
64852
74852
84852
94852
104852
114852
124654
134654
144654
154654
164654
174654
184654
194654
204654
214654
224852
234753
244852
254852
264951
274951
284951
295050
305050
315149

Chance of precipitation in July

Any precipitation

Bielsko-Biala gets around 141 mm of rain over 17.3 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 55% and peaks near 59% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
153
254
354
455
555
656
757
857
958
1058
1159
1259
1359
1459
1558
1658
1758
1857
1957
2056
2155
2254
2354
2453
2552
2652
2751
2851
2950
3050
3149

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the dry band about 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15429161
25429161
35330161
45330161
55131171
65131171
75031181
84932181
94932191
104833191
114733201
124534201
134434211
144335221
154235221
164135231
174036241
183837241
193737251
203638251
213439261
223339261
233240271
243140281
253040282
262941292
272841302
282741302
292741312
302641312
312641312

Wind in July

Winds average 9 km/h in July.

Across July, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 06 min at the start of July to 15 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over July. Sunrise moves from 3:45 AM to 4:17 AM, and sunset from 7:49 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.13:457:49
216.13:467:49
316.03:467:49
416.03:477:48
516.03:487:48
616.03:497:48
716.03:497:47
815.93:507:47
915.93:517:46
1015.93:527:45
1115.93:537:45
1215.83:547:44
1315.83:557:43
1415.83:567:43
1515.73:577:42
1615.73:587:41
1715.73:597:40
1815.64:007:39
1915.64:017:38
2015.64:027:37
2115.54:047:36
2215.54:057:35
2315.54:067:34
2415.44:077:33
2515.44:097:31
2615.34:107:30
2715.34:117:29
2815.24:137:27
2915.24:147:26
3015.24:157:25
3115.14:177:23

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.08 kWh/m².

For context, solar energy here swings from a low near 0.77 kWh/m² to a high of 5.2 kWh/m² in June across the year — July's 5.08 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in July

Is July a good time to visit Bielsko-Biala?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.7
Sightseeing
2nd-best month of the year
4.2
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Bielsko-Biala for sightseeing.

What to pack for Bielsko-Biala in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Bielsko-Biala sees daytime highs around 23°C and nights near 13°C. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

UV index in Bielsko-Biala in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bielsko-Biala peaks around June 22 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 22UV 7Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Bielsko-Biala in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Bielsko-Biala is worst in June — around 26 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 15 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Bielsko-Biala's WHO annual average of 21.6 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1726 µg/m³Dec 1316 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar24Moderate
Apr25Moderate
May25Moderate
Jun26Moderate
Jul25Moderate
Aug25Moderate
Sep21Moderate
Oct18Moderate
Nov17Moderate
Dec15Moderate
Location & terrain

Where is Bielsko-Biala?

Bielsko-Biala sits at 49.8°N, 19.0°E, 330 m above sea level, in Poland. The nearest listed city is Czechowice-Dziedzice, 11 km away.

Topography around Bielsko-Biala

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bielsko-Biala.

Within 3 km, the terrain around Bielsko-Biala has only modest variations in elevation — a maximum elevation change of 131 m around an average of 344 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,021 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,717 m.

The land around Bielsko-Biala is covered by trees (46%) and artificial surfaces (43%) within 3 km, trees (55%) within 16 km, and trees (59%) within 80 km.

3 km
131 m
16 km
1,021 m
80 km
1,717 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Czechowice-Dziedzice 11 km · Kęty 14 km · Żywiec 18 km · Pszczyna 19 km · Ustroń 21 km · Andrychów 21 km · Auschwitz 26 km · Bieruń 30 km

Poland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 52% of US
price level, 2025
GDP per capita
$28,420
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
9.4
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 600
Religion
Roman Catholic 71%refused to answer 21%no religion 7%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bielsko-Biala (49.8225°, 19.0469°, elevation 330 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).