Bolesławiec weather in July

In July, Bolesławiec sees average daytime highs of 24°C and overnight lows near 14°C, with 87 mm of rain across 13.1 wet days and about 15.9 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 25°C by the end. The sky is clear or mostly clear about 25% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 18 min at the start of July to 15 h 18 min by month's end. Set against the rest of the year, July is Bolesławiec's 2nd-clearest and 10th-windiest month. For the whole year in context, see Bolesławiec's year-round climate.

Daytime high
24°
1st warmest
Overnight low
14°
12th coldest
Rainfall
87 mm
13.1 wet days
Daylight
15 h 54 min
4:05 AM – 8:01 PM
Cloud cover
61%
2nd clearest
Wind
11 km/h
10th windiest
Solar energy
5.12 kWh/m²
Travel score
6.4
out of 10

Bolesławiec is historic town situated on the Bóbr River in the Lower Silesian Voivodeship, in southwestern Poland.

Air quality
Moderate
PM10 33.3 µg/m³ · 2017
Density
1,784/km²
people per km²
Founded
1201

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 25°C by the end.

A typical July day in Bolesławiec reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 30°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12313
22313
32313
42313
52313
62313
72313
82313
92314
102314
112314
122314
132314
142314
152314
162414
172414
182414
192414
202414
212414
222414
232414
242414
252414
262514
272514
282514
292514
302514
312514

How July really feels in Bolesławiec

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.

Bolesławiec 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°5712.46.48.20.0
Feb / -2°4610.75.99.60.0
Mar / 5912.74.511.51.2
Apr14° / 419.5113.53.9
May18° / 6211.90.115.35.6
Jun22° / 12°6812.6016.36.0
Jul24° / 14°8713.1015.96.4
Aug23° / 13°6910.6014.46.7
Sep19° / 10°6010.3012.45.8
Oct13° / 5210.40.310.43.5
Nov / 4910.42.48.70.9
Dec / -1°51125.27.70.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54357
64357
74258
84258
94258
104159
114258
124258
134258
144258
154357
164357
174456
184555
194555
204555
214654
224753
234852
244852
254951
264951
274951
285050
295050
305050
315050

Chance of precipitation in July

Any precipitation

Bolesławiec gets around 87 mm of rain over 13.1 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 42% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
143
243
343
443
544
644
745
845
946
1046
1146
1247
1347
1446
1546
1646
1745
1845
1944
2043
2142
2241
2340
2439
2538
2637
2737
2836
2936
3035
3134

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 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16128101
26028111
35929111
45730121
55730121
65631121
75432131
85432131
95333131
105134141
115134141
125035141
134935151
144836151
154736151
164737161
174637161
184538161
194538161
204439171
214439171
224339171
234239171
244239181
254239181
264139191
274139191
284139201
294039201
304039201
314039201

Wind in July

Winds average 11 km/h in July.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 18 min at the start of July to 15 h 18 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 3:52 AM to 4:25 AM, and sunset from 8:10 PM to 7:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.33:528:10
216.33:538:10
316.33:538:10
416.33:548:09
516.23:558:09
616.23:558:08
716.23:568:08
816.23:578:07
916.13:588:07
1016.13:598:06
1116.14:008:05
1216.14:018:05
1316.04:028:04
1416.04:038:03
1516.04:048:02
1615.94:058:01
1715.94:078:00
1815.94:087:59
1915.84:097:58
2015.84:107:57
2115.74:117:56
2215.74:137:55
2315.74:147:54
2415.64:157:52
2515.64:177:51
2615.54:187:50
2715.54:207:48
2815.44:217:47
2915.44:227:45
3015.34:247:44
3115.34:257:42

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.12 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.27 kWh/m² in June across the year — July's 5.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in July

Is July a good time to visit Bolesławiec?

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

6.4
Sightseeing
2nd-best month of the year
5.2
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Bolesławiec for sightseeing.

What to pack for Bolesławiec in July

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

In July, Bolesławiec sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Bolesławiec 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 Bolesławiec peaks around June 19 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 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 19UV 7Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Bolesławiec 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 Bolesławiec is worst in June — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1716 µg/m³Dec 1210 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar16Moderate
Apr15Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Bolesławiec?

Bolesławiec sits at 51.3°N, 15.6°E, 197 m above sea level, in Poland. The nearest listed city is Lubań, 25 km away.

ZgorzelecLegnicaJelenia GóraGörlitzŻagańPolkowice

Topography around Bolesławiec

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

Within 3 km, the terrain around Bolesławiec has only modest variations in elevation — a maximum elevation change of 96 m around an average of 200 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 203 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,572 m.

The land around Bolesławiec is covered by trees (38%), cropland (22%) and artificial surfaces (21%) within 3 km, trees (52%) and cropland (35%) within 16 km, and trees (50%) and cropland (30%) within 80 km.

3 km
96 m
16 km
203 m
80 km
1,572 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Lubań 25 km · Złotoryja 29 km · Zgorzelec 41 km · Legnica 42 km · Jelenia Góra 42 km · Görlitz 42 km · Żagań 43 km · Polkowice 44 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 Bolesławiec (51.2642°, 15.5697°, elevation 197 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).