Bydgoszcz weather in July

In July, Bydgoszcz sees average daytime highs of 23°C and overnight lows near 14°C, with 83 mm of rain across 11.6 wet days and about 16.2 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 24°C by the end. The sky is clear or mostly clear about 23% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 36 min at the start of July to 15 h 30 min by month's end. Set against the rest of the year, July is Bydgoszcz's 2nd-clearest and 11th-windiest month. For the whole year in context, see Bydgoszcz's year-round climate.

Daytime high
23°
1st warmest
Overnight low
14°
12th coldest
Rainfall
83 mm
11.6 wet days
Daylight
16 h 12 min
3:47 AM – 8:01 PM
Cloud cover
61%
2nd clearest
Wind
12 km/h
11th windiest
Solar energy
5.15 kWh/m²
Travel score
6.6
out of 10

Bydgoszcz is city in the Kuyavian-Pomeranian Voivodeship in north-central Poland.

Air quality
Elevated
PM2.5 18.1 µg/m³ · 2019
Density
1,875/km²
people per km²
Founded
1038

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 23°C in the first days to 24°C by the end.

A typical July day in Bydgoszcz reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°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)
12213
22213
32313
42313
52313
62313
72313
82314
92314
102314
112314
122314
132314
142314
152314
162314
172414
182414
192414
202414
212414
222414
232414
242414
252414
262415
272415
282415
292415
302415
312415

How July really feels in Bydgoszcz

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.

Bydgoszcz 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 / -3°3810.14.77.90.0
Feb / -2°318.14.39.50.0
Mar / 43102.411.50.9
Apr13° / 358.80.513.63.8
May18° / 5810.8015.55.8
Jun21° / 12°6311.3016.66.2
Jul23° / 14°8311.6016.26.6
Aug23° / 14°6210.4014.56.8
Sep18° / 10°508.7012.45.9
Oct12° / 439.20.110.33.4
Nov / 368.91.68.40.7
Dec / -1°399.33.57.40.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44456
54555
64555
74456
84555
94654
104555
114654
124555
134555
144456
154456
164456
174456
184456
194456
204456
214456
224555
234654
244654
254753
264753
274753
284753
294951
304852
314951

Chance of precipitation in July

Any precipitation

Bydgoszcz gets around 83 mm of rain over 11.6 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 38% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
340
440
540
640
740
840
940
1040
1141
1241
1340
1440
1540
1639
1739
1838
1938
2037
2136
2236
2335
2435
2534
2634
2733
2833
2932
3032
3132

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 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16225121
26026131
35827132
45728132
55529142
65430142
75331142
85231152
95032153
104933153
114833153
124734163
134635163
144535173
154436173
164336183
174236183
184237193
194137193
204037203
213937213
223838213
233738224
243638224
253538234
263538234
273438244
283337255
293337255
303237265
313237265

Wind in July

Winds average 12 km/h in July.

Across July, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 36 min at the start of July to 15 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over July. Sunrise moves from 3:32 AM to 4:08 AM, and sunset from 8:11 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.63:328:11
216.63:338:10
316.63:338:10
416.63:348:10
516.63:358:09
616.53:368:09
716.53:378:08
816.53:388:07
916.53:398:07
1016.43:408:06
1116.43:418:05
1216.43:428:04
1316.33:438:04
1416.33:448:03
1516.33:458:02
1616.23:478:01
1716.23:488:00
1816.23:497:58
1916.13:507:57
2016.13:527:56
2116.03:537:55
2216.03:557:53
2315.93:567:52
2415.93:577:51
2515.83:597:49
2615.84:007:48
2715.74:027:46
2815.74:047:45
2915.64:057:43
3015.64:077:42
3115.54:087:40

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.15 kWh/m².

For context, solar energy here swings from a low near 0.49 kWh/m² to a high of 5.39 kWh/m² in June across the year — July's 5.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in July

Is July a good time to visit Bydgoszcz?

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

6.6
Sightseeing
2nd-best month of the year
5.3
Beach & pool
1st-best month of the year

July is a reasonable time to visit Bydgoszcz for sightseeing.

What to pack for Bydgoszcz in July

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

In July, Bydgoszcz sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Bydgoszcz in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bydgoszcz peaks around June 18 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 18UV 6Dec 19UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Bydgoszcz 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 Bydgoszcz is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 12 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Bydgoszcz's WHO annual average of 18.1 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1222 µg/m³Dec 1512 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May21Moderate
Jun22Moderate
Jul21Moderate
Aug20Moderate
Sep17Moderate
Oct15Moderate
Nov14Moderate
Dec12Good
Location & terrain

Where is Bydgoszcz?

Bydgoszcz sits at 53.1°N, 18.0°E, 37 m above sea level, in Poland. The nearest listed city is Fordon, 11 km away.

InowrocławChełmżaTorunŚwiecie

Topography around Bydgoszcz

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

Within 3 km, the terrain around Bydgoszcz has only modest variations in elevation — a maximum elevation change of 55 m around an average of 59 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 101 m; within 80 km, only modest variations in elevation — a maximum elevation change of 215 m.

The land around Bydgoszcz is covered by artificial surfaces (60%) and trees (28%) within 3 km, trees (55%) within 16 km, and cropland (55%) and trees (32%) within 80 km.

3 km
55 m
16 km
101 m
80 km
215 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Fordon 11 km · Solec Kujawski 15 km · Nakło nad Notecią 27 km · Chełmno 37 km · Inowrocław 40 km · Chełmża 40 km · Torun 41 km · Świecie 43 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 Bydgoszcz (53.1235°, 18.0076°, elevation 37 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).