Ostrów Mazowiecka weather in October

In October, Ostrów Mazowiecka sees average daytime highs of 12°C and overnight lows near 5°C, with 46 mm of precipitation across 9.5 wet days and about 10.3 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 15°C in the first days to 9°C by the end. The sky is clear or mostly clear about 17% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of October to 9 h 18 min by month's end. Set against the rest of the year, October is Ostrów Mazowiecka's 7th-clearest and 6th-windiest month. For the whole year in context, see Ostrów Mazowiecka's year-round climate.

Daytime high
12°
7th warmest
Overnight low
7th coldest
Precipitation
46 mm
9.5 wet days
Daylight
10 h 18 min
6:08 AM – 4:26 PM
Cloud cover
70%
7th clearest
Wind
14 km/h
6th windiest
Solar energy
1.68 kWh/m²
Travel score
3.1
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 15°C in the first days to 9°C by the end.

A typical October day in Ostrów Mazowiecka reaches about 12°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 18°C. Set against its neighbours, October runs about 6°C cooler than September and about 6°C warmer than November.

10°20°151015202531
Avg high (°C)Avg low (°C)
1157
2157
3157
4146
5146
6146
7146
8146
9136
10136
11135
12135
13125
14125
15125
16125
17124
18114
19114
20114
21114
22104
23104
24104
25103
26103
27103
2893
2993
3093
3193

How October really feels in Ostrów Mazowiecka

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 7 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
7
wind chill below the day's low

The story in October is cold — wind chill drags the overnight "feels like" below the raw low.

Ostrów Mazowiecka weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 6th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23565
33565
43466
53466
63565
73565
83565
93565
103565
113565
123466
133466
143466
153367
163367
173169
183169
193070
202971
212872
222872
232872
242773
252773
262575
272575
282575
292476
302377
312377

Chance of precipitation in October

Any precipitationSnow

Ostrów Mazowiecka gets around 46 mm of rain and snow over 9.5 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 30% and peaks near 33% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1310
2310
3310
4310
5310
6310
7300
8300
9291
10291
11291
12281
13281
14281
15281
16291
17291
18292
19302
20302
21312
22312
23312
24322
25323
26323
27323
28333
29333
30333
31333

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1955
2955
3955
4955
5964
6964
7964
8964
9964
10973
11973
12973
13982
14982
15982
16991
17991
18991
19991
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in October

Winds average 14 km/h in October.

Across October, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 18 min at the start of October to 9 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over October. Sunrise moves from 5:41 AM to 6:37 AM, and sunset from 5:02 PM to 3:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.35:415:02
211.35:434:59
311.25:454:57
411.15:464:54
511.15:484:52
611.05:504:50
710.95:524:47
810.95:544:45
910.85:564:43
1010.75:574:40
1110.65:594:38
1210.66:014:36
1310.56:034:33
1410.46:054:31
1510.46:074:29
1610.36:084:26
1710.26:104:24
1810.26:124:22
1910.16:144:20
2010.06:164:18
2110.06:184:16
229.96:204:13
239.86:224:11
249.86:234:09
259.76:254:07
269.66:274:05
279.66:294:03
289.56:314:01
299.46:333:59
309.46:353:57
319.36:373:55

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 1.68 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 — October's 1.68 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.2Moderate
32.2Moderate
42.1Moderate
52.1Moderate
62.1Moderate
72.0Moderate
82.0Dim
91.9Dim
101.9Dim
111.9Dim
121.8Dim
131.8Dim
141.8Dim
151.7Dim
161.7Dim
171.6Dim
181.6Dim
191.6Dim
201.5Dim
211.5Dim
221.4Dim
231.4Dim
241.4Dim
251.3Dim
261.3Dim
271.3Dim
281.2Dim
291.2Dim
301.2Dim
311.1Dim
Planning a trip in October

Is October a good time to visit Ostrów Mazowiecka?

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

3.1
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

October is a weaker month for outdoor sightseeing in Ostrów Mazowiecka.

What to pack for Ostrów Mazowiecka in October

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

In October, Ostrów Mazowiecka sees daytime highs around 12°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Ostrów Mazowiecka in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 2. 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
October 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).