Otwock weather in August

In August, Otwock sees average daytime highs of 24°C and overnight lows near 14°C, with 66 mm of rain across 9.9 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 28% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 18 min at the start of August to 13 h 30 min by month's end. Set against the rest of the year, August is Otwock's 1st-clearest and 12th-windiest month. For the whole year in context, see Otwock's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
66 mm
9.9 wet days
Daylight
14 h 30 min
4:25 AM – 6:53 PM
Cloud cover
57%
1st clearest
Wind
10 km/h
12th windiest
Solar energy
4.51 kWh/m²
Travel score
6.9
out of 10

Otwock is city and urban gmina of Poland.

Air quality
Elevated
PM2.5 23 µg/m³ · 2019
Density
917/km²
people per km²
Founded
1877

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 22°C by the end.

A typical August day in Otwock 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, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82514
92514
102514
112514
122514
132514
142414
152414
162414
172414
182413
192413
202413
212413
222313
232313
242313
252313
262312
272212
282212
292212
302212
312212

How August really feels in Otwock

Once humidity and wind are folded in, August 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

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Otwock weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°40106.280.0
Feb / -3°379.65.79.60.0
Mar / -0°4210.53.211.50.9
Apr14° / 469.80.813.63.9
May19° / 6812.10.115.45.8
Jun22° / 12°6811.7016.46.3
Jul24° / 14°8212.70166.5
Aug24° / 14°669.9014.46.9
Sep19° / 589.6012.45.9
Oct13° / 459.50.210.43.4
Nov / 409.52.68.50.7
Dec / -2°4210.14.77.60.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
35050
45050
55050
65050
75050
85050
95050
105149
115149
125248
135248
145347
155347
165248
175248
185347
195347
205347
215248
225248
235149
245050
254951
264951
274753
284753
294654
304555
314456

Chance of precipitation in August

Any precipitation

Otwock gets around 66 mm of rain over 9.9 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
336
435
535
634
733
833
932
1031
1131
1230
1330
1430
1530
1630
1730
1830
1931
2031
2131
2231
2331
2431
2532
2632
2733
2833
2933
3033
3133

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August 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 (%)
13036267
23136267
33136266
43236266
53336256
63436246
73536245
83636235
93836225
103935214
114135204
124235194
134434193
144533183
154733173
164932163
175131162
185231152
195330152
205430142
215629141
225828131
235828131
246027121
256027121
266226111
276426100
28652690
29662590
30672580
31682570

Wind in August

Winds average 10 km/h in August, the calmest month.

Across August, 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 18 min at the start of August to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over August. Sunrise moves from 4:01 AM to 4:50 AM, and sunset from 7:21 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.34:017:21
215.34:027:19
315.24:047:18
415.24:067:16
515.14:077:14
615.14:097:12
715.04:107:11
814.94:127:09
914.94:147:07
1014.84:157:05
1114.84:177:03
1214.74:197:01
1314.64:206:59
1414.64:226:57
1514.54:236:55
1614.54:256:53
1714.44:276:51
1814.34:286:49
1914.34:306:47
2014.24:326:44
2114.14:336:42
2214.14:356:40
2314.04:376:38
2414.04:396:36
2513.94:406:33
2613.84:426:31
2713.84:446:29
2813.74:456:27
2913.64:476:24
3013.64:496:22
3113.54:506:20

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.51 kWh/m².

For context, solar energy here swings from a low near 0.54 kWh/m² to a high of 5.49 kWh/m² in June across the year — August's 4.51 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.3Bright
244.2Bright
254.1Bright
264.1Bright
274.0Bright
283.9Moderate
293.9Moderate
303.8Moderate
313.8Moderate
Planning a trip in August

Is August a good time to visit Otwock?

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

6.9
Sightseeing
1st-best month of the year
5.7
Beach & pool
1st-best month of the year

August is a reasonable time to visit Otwock for sightseeing.

What to pack for Otwock in August

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

In August, Otwock sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Otwock in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Otwock 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 Otwock in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Otwock is worst in June — around 28 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 16 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Otwock's WHO annual average of 23 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1828 µg/m³Dec 1716 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb21Moderate
Mar27Moderate
Apr27Moderate
May26Moderate
Jun28Moderate
Jul27Moderate
Aug26Moderate
Sep23Moderate
Oct19Moderate
Nov19Moderate
Dec16Moderate
Location & terrain

Where is Otwock?

Otwock sits at 52.1°N, 21.3°E, 94 m above sea level, in Poland. The nearest listed city is Józefów, 4.0 km away.

Topography around Otwock

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

Within 3 km, the terrain around Otwock has only modest variations in elevation — a maximum elevation change of 54 m around an average of 102 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 99 m; within 80 km, only modest variations in elevation — a maximum elevation change of 172 m.

The land around Otwock is covered by trees (78%) within 3 km, trees (59%) and grassland (23%) within 16 km, and trees (43%), cropland (28%) and grassland (25%) within 80 km.

3 km
54 m
16 km
99 m
80 km
172 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Józefów 4.0 km · Konstancin-Jeziorna 10 km · Wawer 12 km · Kabaty 13 km · Ursynów 15 km · Sulejówek 16 km · Piaseczno 16 km · Wesoła 17 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 Otwock (52.1058°, 21.2613°, elevation 94 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).