Gniezno weather in August

In August, Gniezno sees average daytime highs of 24°C and overnight lows near 14°C, with 61 mm of rain across 10.2 wet days and about 14.5 hours of daylight. It is the 2nd-warmest and 2nd-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 27% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 24 min at the start of August to 13 h 30 min by month's end. Set against the rest of the year, August is Gniezno's 1st-clearest and 12th-windiest month. For the whole year in context, see Gniezno's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
61 mm
10.2 wet days
Daylight
14 h 30 min
4:39 AM – 7:09 PM
Cloud cover
59%
1st clearest
Wind
12 km/h
12th windiest
Solar energy
4.49 kWh/m²
Travel score
6.8
out of 10

Gniezno is city in central-western Poland.

Air quality
Good
PM10 27.3 µg/m³ · 2019
Density
1,434/km²
people per km²
Founded
~950 CE

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 Gniezno 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 18°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
82515
92514
102414
112414
122414
132414
142414
152414
162414
172414
182414
192414
202313
212313
222313
232313
242313
252313
262213
272213
282212
292212
302212
312112

How August really feels in Gniezno

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.

Gniezno 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 / -3°4110.14.780.0
Feb / -2°348.54.29.50.0
Mar / 4510.72.711.51.0
Apr13° / 3380.413.64.0
May18° / 5410.7015.55.8
Jun22° / 12°6111016.56.3
Jul24° / 14°8611.9016.16.6
Aug24° / 14°6110.2014.56.8
Sep19° / 10°499.4012.45.9
Oct13° / 4190.210.33.5
Nov / 3891.58.50.8
Dec / -1°419.73.27.50.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55050
65050
74951
84951
94951
104852
114852
124753
134654
144753
154654
164753
174654
184753
194654
204654
214555
224654
234654
244555
254456
264357
274357
284258
294159
304159
314159

Chance of precipitation in August

Any precipitation

Gniezno gets around 61 mm of rain over 10.2 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 34% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
231
331
431
531
631
731
832
932
1032
1132
1232
1333
1433
1533
1633
1733
1834
1934
2034
2134
2235
2335
2435
2536
2636
2736
2837
2937
3037
3137

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 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13636253
23736253
33735243
43835243
53935233
64035233
74035223
84135222
94235212
104435202
114534192
124634182
134734172
144933162
155033152
165132152
175332141
185432131
195531131
205531131
215631121
225730121
235830111
245830111
256029101
266029101
27622891
28642880
29652780
30662770
31672670

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
311calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
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 24 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 114 minutes over August. Sunrise moves from 4:14 AM to 5:04 AM, and sunset from 7:38 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.44:147:38
215.34:167:36
315.34:177:34
415.24:197:32
515.24:207:31
615.14:227:29
715.14:247:27
815.04:257:25
914.94:277:23
1014.94:297:21
1114.84:307:19
1214.84:327:17
1314.74:347:15
1414.64:357:13
1514.64:377:11
1614.54:397:09
1714.44:407:07
1814.44:427:05
1914.34:447:02
2014.24:457:00
2114.24:476:58
2214.14:496:56
2314.14:516:54
2414.04:526:51
2513.94:546:49
2613.94:566:47
2713.84:576:44
2813.74:596:42
2913.65:016:40
3013.65:036:37
3113.55:046:35

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.49 kWh/m².

For context, solar energy here swings from a low near 0.54 kWh/m² to a high of 5.46 kWh/m² in June across the year — August's 4.49 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
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.1Bright
264.0Bright
274.0Moderate
283.9Moderate
293.9Moderate
303.8Moderate
313.7Moderate
Planning a trip in August

Is August a good time to visit Gniezno?

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

6.8
Sightseeing
1st-best month of the year
5.5
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Gniezno for sightseeing.

What to pack for Gniezno in August

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

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

light clothesrain gear

UV index in Gniezno 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 Gniezno peaks around June 18 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 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 18UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun7High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Gniezno?

Gniezno sits at 52.5°N, 17.6°E, 120 m above sea level, in Poland. The nearest listed city is Września, 23 km away.

WągrowiecŚroda WielkopolskaPoznanLubońObornikiInowrocław

Topography around Gniezno

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

Within 3 km, the terrain around Gniezno has only modest variations in elevation — a maximum elevation change of 45 m around an average of 120 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 62 m; within 80 km, only modest variations in elevation — a maximum elevation change of 201 m.

The land around Gniezno is covered by cropland (32%), artificial surfaces (29%) and trees (20%) within 3 km, cropland (63%) and trees (20%) within 16 km, and cropland (57%) and trees (27%) within 80 km.

3 km
45 m
16 km
62 m
80 km
201 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Września 23 km · Swarzędz 36 km · Wągrowiec 40 km · Środa Wielkopolska 40 km · Poznan 46 km · Luboń 51 km · Oborniki 53 km · Inowrocław 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 Gniezno (52.5348°, 17.5826°, elevation 120 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).