Konstancin-Jeziorna weather in July

In July, Konstancin-Jeziorna sees average daytime highs of 24°C and overnight lows near 14°C, with 84 mm of rain across 12.9 wet days and about 16 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 30 min at the start of July to 15 h 24 min by month's end. Set against the rest of the year, July is Konstancin-Jeziorna's 2nd-clearest and 11th-windiest month. For the whole year in context, see Konstancin-Jeziorna's year-round climate.

Daytime high
24°
1st warmest
Overnight low
14°
12th coldest
Rainfall
84 mm
12.9 wet days
Daylight
16 h 06 min
3:39 AM – 7:43 PM
Cloud cover
61%
2nd clearest
Wind
11 km/h
11th windiest
Solar energy
5.28 kWh/m²
Travel score
6.5
out of 10

Konstancin-Jeziorna is city in Masovian Voivodeship, Poland.

Air quality
Good
PM10 20.6 µg/m³ · 2019
Density
933/km²
people per km²
Founded
1410

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 Konstancin-Jeziorna 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 19°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
52414
62414
72414
82414
92414
102414
112414
122414
132414
142414
152414
162414
172414
182414
192414
202515
212515
222515
232515
242515
252515
262515
272515
282515
292515
302515
312515

How July really feels in Konstancin-Jeziorna

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.

Konstancin-Jeziorna 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 / -4°399.95.780.0
Feb / -3°379.85.59.60.0
Mar / -0°4310.42.911.50.9
Apr14° / 479.70.813.64.0
May19° / 6912.40.115.45.8
Jun22° / 12°6911.8016.46.3
Jul24° / 14°8412.90166.5
Aug24° / 14°6710.4014.46.8
Sep19° / 589.7012.45.8
Oct13° / 459.60.210.43.4
Nov / 409.22.48.50.7
Dec / -2°419.84.57.60.0

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 21% of July, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54555
64555
74555
84555
94555
104555
114555
124555
134555
144555
154456
164456
174456
184456
194456
204555
214555
224456
234555
244555
254654
264753
274753
284654
294753
304753
314852

Chance of precipitation in July

Any precipitation

Konstancin-Jeziorna gets around 84 mm of rain over 12.9 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 41% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
343
443
543
644
744
844
944
1044
1143
1243
1343
1442
1542
1641
1741
1840
1940
2040
2140
2239
2339
2439
2539
2639
2739
2839
2939
3039
3139

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15625154
25625154
35426164
45327164
55327164
65128174
75029174
84929175
94830185
104730185
114630195
124431195
134331206
144231216
154132216
164032226
173932226
183833227
193733237
203633237
213534247
223534247
233434257
243335257
253235257
263135267
273136267
283036277
293036277
302937277
312937277

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
1911calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 30 min at the start of July to 15 h 24 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 3:25 AM to 4:00 AM, and sunset from 7:52 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.53:257:52
216.43:267:52
316.43:277:52
416.43:277:51
516.43:287:51
616.43:297:51
716.33:307:50
816.33:317:49
916.33:327:49
1016.33:337:48
1116.23:347:47
1216.23:357:47
1316.23:367:46
1416.13:377:45
1516.13:387:44
1616.13:397:43
1716.03:407:42
1816.03:427:41
1915.93:437:40
2015.93:447:39
2115.93:467:38
2215.83:477:36
2315.83:487:35
2415.73:507:34
2515.73:517:32
2615.63:537:31
2715.63:547:29
2815.53:557:28
2915.53:577:26
3015.43:587:25
3115.44:007:23

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.28 kWh/m².

For context, solar energy here swings from a low near 0.55 kWh/m² to a high of 5.51 kWh/m² in June across the year — July's 5.28 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.1Bright
225.1Bright
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 Konstancin-Jeziorna?

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

6.5
Sightseeing
2nd-best month of the year
5.5
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Konstancin-Jeziorna for sightseeing.

What to pack for Konstancin-Jeziorna in July

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

In July, Konstancin-Jeziorna 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 Konstancin-Jeziorna 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 Konstancin-Jeziorna peaks around June 20 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 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 6Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Konstancin-Jeziorna 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 Konstancin-Jeziorna is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1816 µg/m³Dec 179 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar16Moderate
Apr15Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Konstancin-Jeziorna?

Konstancin-Jeziorna sits at 52.1°N, 21.1°E, 89 m above sea level, in Poland. The nearest listed city is Kabaty, 5.0 km away.

Topography around Konstancin-Jeziorna

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

Within 3 km, the terrain around Konstancin-Jeziorna has only modest variations in elevation — a maximum elevation change of 45 m around an average of 96 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 93 m; within 80 km, only modest variations in elevation — a maximum elevation change of 173 m.

The land around Konstancin-Jeziorna is covered by trees (57%) and grassland (21%) within 3 km, trees (55%) and grassland (20%) within 16 km, and trees (42%), cropland (29%) and grassland (25%) within 80 km.

3 km
45 m
16 km
93 m
80 km
173 m
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Kabaty 5.0 km · Piaseczno 7.0 km · Ursynów 8.0 km · Józefów 9.0 km · Otwock 10 km · Wawer 12 km · Mokotów 12 km · Włochy 15 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 Konstancin-Jeziorna (52.0938°, 21.1176°, elevation 89 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).