Kościerzyna weather in August

In August, Kościerzyna sees average daytime highs of 22°C and overnight lows near 13°C, with 70 mm of rain across 12.5 wet days and about 14.6 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 20°C by the end. The sky is clear or mostly clear about 23% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 36 min at the start of August to 13 h 36 min by month's end. Set against the rest of the year, August is Kościerzyna's 1st-clearest and 12th-windiest month. For the whole year in context, see Kościerzyna's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
70 mm
12.5 wet days
Daylight
14 h 42 min
4:32 AM – 7:12 PM
Cloud cover
61%
1st clearest
Wind
13 km/h
12th windiest
Solar energy
4.26 kWh/m²
Travel score
6.2
out of 10

Kościerzyna is city and urban gmina of Poland.

Air quality
Elevated
PM2.5 22.8 µg/m³ · 2018
Density
1,474/km²
people per km²
Founded
1250

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 23°C in the first days to 20°C by the end.

A typical August day in Kościerzyna reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52314
62313
72213
82213
92213
102213
112213
122213
132213
142213
152213
162213
172213
182213
192113
202112
212112
222112
232112
242112
252112
262012
272012
282012
292011
302011
312011

How August really feels in Kościerzyna

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.

Kościerzyna weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°4310.15.87.70.0
Feb / -3°348.75.29.40.0
Mar / -1°42103.711.50.4
Apr12° / 379.41.113.73.0
May17° / 6311.9015.75.1
Jun19° / 11°7012.6016.85.7
Jul22° / 13°8813.2016.46.1
Aug22° / 13°7012.5014.66.2
Sep17° / 539.2012.55.3
Oct11° / 4610.10.210.22.8
Nov / 378.92.18.30.4
Dec / -2°4510.357.20.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 55%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34951
44852
54852
64852
74753
84753
94654
104654
114555
124555
134654
144555
154456
164456
174456
184456
194456
204456
214456
224456
234456
244456
254357
264357
274258
284159
294159
304060
314060

Chance of precipitation in August

Any precipitation

Kościerzyna gets around 70 mm of rain over 12.5 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 40% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
439
539
639
739
839
939
1039
1139
1239
1340
1440
1540
1640
1740
1840
1940
2040
2140
2240
2341
2441
2541
2641
2741
2842
2942
3042
3142

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 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13541195
23541195
33640195
43640194
53739194
63839194
73939194
84039183
94138183
104238173
114338172
124438162
134537162
144637152
154836142
164936132
175035132
185235121
195434111
205534101
215633101
22573391
23583291
24603181
25603181
26623071
27642961
28652861
29672751
30692650
31712540

Wind in August

Winds average 13 km/h in August, the calmest month.

Across August, daily wind ranges from about 12 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light 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
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 36 min at the start of August to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over August. Sunrise moves from 4:06 AM to 5:00 AM, and sunset from 7:42 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.64:067:42
215.64:077:41
315.54:097:39
415.44:117:37
515.44:137:35
615.34:147:33
715.24:167:31
815.24:187:29
915.14:207:27
1015.14:227:25
1115.04:237:23
1214.94:257:21
1314.94:277:19
1414.84:297:16
1514.74:317:14
1614.74:327:12
1714.64:347:10
1814.54:367:07
1914.54:387:05
2014.44:407:03
2114.34:427:00
2214.24:436:58
2314.24:456:56
2414.14:476:53
2514.04:496:51
2614.04:516:49
2713.94:536:46
2813.84:546:44
2913.74:566:41
3013.74:586:39
3113.65:006:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.26 kWh/m².

For context, solar energy here swings from a low near 0.43 kWh/m² to a high of 5.31 kWh/m² in June across the year — August's 4.26 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.6Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.6Moderate
303.6Moderate
313.5Moderate
Planning a trip in August

Is August a good time to visit Kościerzyna?

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

6.2
Sightseeing
1st-best month of the year
4.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Kościerzyna for sightseeing.

What to pack for Kościerzyna in August

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

In August, Kościerzyna sees daytime highs around 22°C and nights near 13°C. Worth packing: rain gear. About 13 days see rain.

rain gear

Sea temperature near Kościerzyna in August

The nearest coast averages about 19°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 65 km away) is warmest in August at about 19°C and coldest in February near 3°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr5Bracing
May10Bracing
Jun14Bracing
Jul18Cool
Aug19Cool
Sep17Cool
Oct13Bracing
Nov9Bracing
Dec6Bracing

UV index in Kościerzyna in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kościerzyna peaks around June 18 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 18UV 6Dec 20UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Kościerzyna 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 Kościerzyna is worst in April — around 29 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 14 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Kościerzyna's WHO annual average of 22.8 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1229 µg/m³Dec 1515 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb21Moderate
Mar28Moderate
Apr29Moderate
May26Moderate
Jun28Moderate
Jul26Moderate
Aug25Moderate
Sep22Moderate
Oct19Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Kościerzyna?

Kościerzyna sits at 54.1°N, 18.0°E, 162 m above sea level, in Poland. The nearest listed city is Kartuzy, 27 km away.

Starogard GdańskiPruszcz GdańskiUjeścisko-ŁostowiceOsowaPiecki-MigowoOrunia Górna-Gdańsk Południe

Topography around Kościerzyna

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

Within 3 km, the terrain around Kościerzyna has only modest variations in elevation — a maximum elevation change of 74 m around an average of 177 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 215 m; within 80 km, significant variations in elevation — a maximum elevation change of 339 m.

The land around Kościerzyna is covered by trees (45%) and grassland (24%) within 3 km, trees (53%) and cropland (23%) within 16 km, and trees (45%) and cropland (32%) within 80 km.

3 km
74 m
16 km
215 m
80 km
339 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Kartuzy 27 km · Bytów 32 km · Starogard Gdański 40 km · Pruszcz Gdański 45 km · Ujeścisko-Łostowice 46 km · Osowa 47 km · Piecki-Migowo 47 km · Orunia Górna-Gdańsk Południe 47 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 Kościerzyna (54.1223°, 17.9812°, elevation 162 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).