Grudziądz weather in August

In August, Grudziądz sees average daytime highs of 23°C and overnight lows near 13°C, with 64 mm of rain across 10.6 wet days and about 14.6 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 25% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 30 min at the start of August to 13 h 36 min by month's end. Set against the rest of the year, August is Grudziądz's 1st-clearest and 12th-windiest month. For the whole year in context, see Grudziądz's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
64 mm
10.6 wet days
Daylight
14 h 36 min
4:31 AM – 7:07 PM
Cloud cover
60%
1st clearest
Wind
12 km/h
12th windiest
Solar energy
4.36 kWh/m²
Travel score
6.7
out of 10

Grudziądz is city with powiat rights of Poland.

Air quality
Elevated
PM2.5 19.6 µg/m³ · 2019
Density
1,602/km²
people per km²
Founded
1291

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 24°C in the first days to 21°C by the end.

A typical August day in Grudziądz reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 28°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)
12414
22414
32414
42414
52414
62414
72414
82414
92414
102414
112414
122314
132314
142314
152314
162313
172313
182313
192313
202313
212313
222213
232213
242213
252212
262212
272212
282112
292112
302112
312112

How August really feels in Grudziądz

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.

Grudziądz weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°389.85.37.80.0
Feb / -3°328.74.39.40.0
Mar / -1°399.82.911.50.7
Apr13° / 389.30.613.73.6
May18° / 6211.6015.65.5
Jun21° / 11°6711.7016.76.0
Jul23° / 14°8512.6016.26.4
Aug23° / 13°6410.6014.66.7
Sep18° / 10°529012.55.8
Oct12° / 459.20.210.33.3
Nov / 379.21.78.30.6
Dec / -2°429.94.37.30.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
35050
45050
55050
65050
75050
85050
95050
105050
115050
125050
135050
144951
154852
164852
174852
184852
194753
204654
214654
224654
234555
244456
254357
264357
274357
284159
294159
304159
314159

Chance of precipitation in August

Any precipitation

Grudziądz gets around 64 mm of rain over 10.6 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
336
436
536
635
735
835
935
1035
1134
1234
1334
1434
1534
1634
1734
1834
1933
2033
2133
2234
2334
2434
2534
2634
2735
2835
2935
3035
3135

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 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12841266
22840266
32940265
42940265
53039255
63139255
73239244
83339244
93439234
103639224
113738214
123838203
134038193
144237183
154337173
164536173
174636162
184835152
194935142
205034142
215134132
225233132
235433121
245532121
255731111
265831101
275930101
28612991
29622981
30652870
31652870

Wind in August

Winds average 12 km/h in August, the calmest month.

Across August, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 30 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 114 minutes over August. Sunrise moves from 4:05 AM to 4:58 AM, and sunset from 7:37 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.54:057:37
215.54:077:35
315.44:097:33
415.34:107:31
515.34:127:29
615.24:147:28
715.24:157:26
815.14:177:24
915.04:197:22
1015.04:217:20
1114.94:227:18
1214.94:247:15
1314.84:267:13
1414.74:287:11
1514.74:297:09
1614.64:317:07
1714.54:337:05
1814.54:357:03
1914.44:377:00
2014.34:386:58
2114.34:406:56
2214.24:426:53
2314.14:446:51
2414.14:456:49
2514.04:476:46
2613.94:496:44
2713.84:516:42
2813.84:536:39
2913.74:546:37
3013.64:566:34
3113.64:586:32

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.36 kWh/m².

For context, solar energy here swings from a low near 0.47 kWh/m² to a high of 5.39 kWh/m² in June across the year — August's 4.36 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.2Bright
234.1Bright
244.0Bright
254.0Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.7Moderate
303.7Moderate
313.6Moderate
Planning a trip in August

Is August a good time to visit Grudziądz?

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

6.7
Sightseeing
1st-best month of the year
5.0
Beach & pool
1st-best month of the year

August is a reasonable time to visit Grudziądz for sightseeing.

What to pack for Grudziądz in August

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

In August, Grudziądz sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes and rain gear. About 11 days see rain.

light clothesrain gear

UV index in Grudziądz 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 Grudziądz peaks around June 19 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 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 19UV 6Dec 21UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Grudziądz 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 Grudziądz is worst in April — around 24 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Grudziądz's WHO annual average of 19.6 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1024 µg/m³Dec 1613 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb18Moderate
Mar24Moderate
Apr24Moderate
May22Moderate
Jun24Moderate
Jul22Moderate
Aug21Moderate
Sep19Moderate
Oct16Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Grudziądz?

Grudziądz sits at 53.5°N, 18.8°E, 22 m above sea level, in Poland. The nearest listed city is Świecie, 22 km away.

BrodnicaTorunFordonIława

Topography around Grudziądz

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

Within 3 km, the terrain around Grudziądz has only modest variations in elevation — a maximum elevation change of 84 m around an average of 28 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 123 m; within 80 km, significant variations in elevation — a maximum elevation change of 325 m.

The land around Grudziądz is covered by trees (30%) and artificial surfaces (27%) within 3 km, cropland (45%) and trees (35%) within 16 km, and cropland (50%) and trees (36%) within 80 km.

3 km
84 m
16 km
123 m
80 km
325 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Świecie 22 km · Chełmno 26 km · Kwidzyn 29 km · Chełmża 35 km · Brodnica 49 km · Torun 53 km · Fordon 54 km · Iława 55 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 Grudziądz (53.4841°, 18.7537°, elevation 22 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).