Ostrów Mazowiecka weather in July

In July, Ostrów Mazowiecka sees average daytime highs of 24°C and overnight lows near 14°C, with 78 mm of rain across 12.4 wet days and about 16.1 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 24% 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 Ostrów Mazowiecka's 2nd-clearest and 11th-windiest month. For the whole year in context, see Ostrów Mazowiecka's year-round climate.

Daytime high
24°
1st warmest
Overnight low
14°
12th coldest
Rainfall
78 mm
12.4 wet days
Daylight
16 h 12 min
3:33 AM – 7:43 PM
Cloud cover
61%
2nd clearest
Wind
11 km/h
11th windiest
Solar energy
5.26 kWh/m²
Travel score
6.5
out of 10

Ostrów Mazowiecka is city and urban gmina of Poland.

Density
1,030/km²
people per km²
Founded
1434

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 Ostrów Mazowiecka 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 29°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
92313
102413
112413
122414
132414
142414
152414
162414
172414
182414
192414
202414
212414
222414
232514
242514
252514
262514
272514
282514
292514
302514
312514

How July really feels in Ostrów Mazowiecka

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.

Ostrów Mazowiecka 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°4010.46.57.90.0
Feb / -4°379.25.99.50.0
Mar / -1°409.93.511.50.6
Apr13° / 4610113.63.7
May19° / 6711.80.115.55.8
Jun22° / 12°7411.9016.56.2
Jul24° / 14°7812.4016.16.5
Aug24° / 13°6510.3014.56.8
Sep18° / 5810012.45.6
Oct12° / 469.50.410.33.1
Nov / 399.42.78.40.5
Dec / -3°4310.25.17.50.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 (%)
14258
24357
34357
44456
54456
64456
74456
84456
94456
104456
114456
124456
134555
144456
154456
164456
174357
184456
194456
204456
214456
224654
234555
244555
254654
264654
274654
284753
294852
304852
314852

Chance of precipitation in July

Any precipitation

Ostrów Mazowiecka gets around 78 mm of rain over 12.4 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 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
240
340
440
539
639
739
839
939
1039
1139
1239
1339
1439
1539
1639
1739
1839
1939
2039
2140
2240
2340
2440
2540
2640
2740
2839
2939
3039
3138

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16024133
25925133
35825143
45726143
55726143
65427154
75427154
85328154
95228164
105129164
115029174
124929175
134830175
144730185
154631185
164532185
174432185
184333195
194233196
204134196
214034206
223934206
233934216
243835216
253735226
263735226
273635236
283635236
293634246
303634246
313634246

Wind in July

Winds average 11 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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
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 3:18 AM to 3:54 AM, and sunset from 7:53 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.63:187:53
216.63:197:53
316.53:207:53
416.53:207:52
516.53:217:52
616.53:227:51
716.53:237:51
816.43:247:50
916.43:257:49
1016.43:267:49
1116.43:277:48
1216.33:287:47
1316.33:297:46
1416.33:307:45
1516.23:317:44
1616.23:337:43
1716.13:347:42
1816.13:357:41
1916.13:367:40
2016.03:387:39
2116.03:397:38
2215.93:417:36
2315.93:427:35
2415.83:437:34
2515.83:457:32
2615.73:467:31
2715.73:487:29
2815.63:497:28
2915.63:517:26
3015.53:527:25
3115.53:547:23

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.26 kWh/m².

For context, solar energy here swings from a low near 0.49 kWh/m² to a high of 5.46 kWh/m² in June across the year — July's 5.26 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in July

Is July a good time to visit Ostrów Mazowiecka?

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
1st-best month of the year

July is a reasonable time to visit Ostrów Mazowiecka for sightseeing.

What to pack for Ostrów Mazowiecka in July

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

In July, Ostrów Mazowiecka sees daytime highs around 24°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 Ostrów Mazowiecka 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 Ostrów Mazowiecka peaks around June 20 at about 6 (high) — a little sun protection helps at midday. 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 6 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
Location & terrain

Where is Ostrów Mazowiecka?

Ostrów Mazowiecka sits at 52.8°N, 21.9°E, 122 m above sea level, in Poland. The nearest listed city is Zambrów, 31 km away.

OstrołękaŁomżaSokołów PodlaskiPułtuskWołominŁapy

Topography around Ostrów Mazowiecka

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

Within 3 km, the terrain around Ostrów Mazowiecka has only modest variations in elevation — a maximum elevation change of 41 m around an average of 130 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 89 m; within 80 km, only modest variations in elevation — a maximum elevation change of 167 m.

The land around Ostrów Mazowiecka is covered by trees (41%) and cropland (25%) within 3 km, trees (43%), cropland (29%) and grassland (25%) within 16 km, and trees (36%), cropland (35%) and grassland (28%) within 80 km.

3 km
41 m
16 km
89 m
80 km
167 m
treesgrasslandcroplandartificial surfaces
July weather nearby: Zambrów 31 km · Wyszków 38 km · Ostrołęka 38 km · Łomża 43 km · Sokołów Podlaski 50 km · Pułtusk 56 km · Wołomin 68 km · Łapy 70 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 Ostrów Mazowiecka (52.8025°, 21.8951°, elevation 122 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).