Znojmo weather in August

In August, Znojmo sees average daytime highs of 25°C and overnight lows near 15°C, with 72 mm of rain across 10.2 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 35% of the time in August, and the air most often feels dry.

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

Daytime high
25°
2nd warmest
Overnight low
15°
11th coldest
Rainfall
72 mm
10.2 wet days
Daylight
14 h 12 min
4:54 AM – 7:06 PM
Cloud cover
53%
1st clearest
Wind
10 km/h
12th windiest
Solar energy
4.82 kWh/m²
Travel score
6.8
out of 10

Znojmo is town in the Czech Republic.

Air quality
Moderate
PM2.5 14.2 µg/m³ · 2019
Density
535/km²
people per km²
Founded
1226

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 26°C in the first days to 23°C by the end.

A typical August day in Znojmo reaches about 25°C in the afternoon and slips back to 15°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 31°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)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112615
122615
132615
142615
152615
162615
172615
182515
192515
202515
212515
222514
232514
242414
252414
262414
272414
282314
292313
302313
312313

How August really feels in Znojmo

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.

Znojmo 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°297.44.28.50.0
Feb / -2°236.439.80.1
Mar / 378.31.911.62.0
Apr15° / 408.40.513.44.6
May20° / 10°6511.50156.0
Jun23° / 13°7411.2015.96.6
Jul26° / 15°8212.1015.56.5
Aug25° / 15°7210.2014.26.8
Sep20° / 11°638.6012.46.4
Oct14° / 417.70.210.54.0
Nov / 357.91.48.91.1
Dec / -2°327.62.98.10.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35941
45941
55941
65941
75941
85941
95941
105941
115842
125842
135842
145842
155743
165743
175743
185644
195644
205545
215545
225545
235446
245446
255347
265347
275248
285149
295149
305149
315050

Chance of precipitation in August

Any precipitation

Znojmo gets around 72 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 33% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
237
337
437
536
636
736
835
935
1034
1134
1234
1333
1433
1533
1632
1732
1832
1932
2032
2132
2232
2332
2432
2532
2632
2732
2832
2932
3031
3131

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13638233
23638232
33738232
43739222
53739222
63839212
73939211
83940201
94040191
104140181
114240181
124240170
134340170
144340170
154439170
164439170
174538170
184538170
194637170
204736170
214835170
224934160
235133160
245232160
255431150
265630140
275729140
285928130
296127120
306326110
31662590

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
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

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

Days shrink by about 102 minutes over August. Sunrise moves from 4:33 AM to 5:16 AM, and sunset from 7:30 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:337:30
214.94:357:29
314.94:367:27
414.84:377:26
514.84:397:24
614.74:407:23
714.74:427:21
814.64:437:20
914.64:447:18
1014.54:467:16
1114.54:477:14
1214.44:497:13
1314.34:507:11
1414.34:517:09
1514.24:537:07
1614.24:547:06
1714.14:567:04
1814.14:577:02
1914.04:597:00
2014.05:006:58
2113.95:026:56
2213.95:036:54
2313.85:046:52
2413.75:066:50
2513.75:076:48
2613.65:096:46
2713.65:106:44
2813.55:126:42
2913.45:136:40
3013.45:156:38
3113.35:166:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.82 kWh/m².

For context, solar energy here swings from a low near 0.84 kWh/m² to a high of 5.65 kWh/m² in June across the year — August's 4.82 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
314.1Bright
Planning a trip in August

Is August a good time to visit Znojmo?

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
6.1
Beach & pool
1st-best month of the year

August is a reasonable time to visit Znojmo for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Znojmo in August

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

In August, Znojmo sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Znojmo in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Znojmo peaks around July 12 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 12UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Znojmo 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 Znojmo is worst in June — around 18 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Znojmo's WHO annual average of 14.2 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1418 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar17Moderate
Apr17Moderate
May17Moderate
Jun18Moderate
Jul16Moderate
Aug15Moderate
Sep13Moderate
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Znojmo?

Znojmo sits at 48.9°N, 16.0°E, 294 m above sea level, in Czechia. The nearest listed city is Třebíč, 42 km away.

TřebíčStockerauBystrcŽabovřeskyBrno středBrnoKrálovo PoleŽidenice

Topography around Znojmo

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

Within 3 km, the terrain around Znojmo has only modest variations in elevation — a maximum elevation change of 183 m around an average of 282 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 359 m; within 80 km, large variations in elevation — a maximum elevation change of 823 m.

The land around Znojmo is covered by trees (36%), cropland (26%) and artificial surfaces (21%) within 3 km, cropland (58%) and trees (28%) within 16 km, and cropland (49%) and trees (35%) within 80 km.

3 km
183 m
16 km
359 m
80 km
823 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Třebíč 42 km · Stockerau 54 km · Bystrc 54 km · Žabovřesky 55 km · Brno střed 55 km · Brno 56 km · Královo Pole 57 km · Židenice 58 km

Czechia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 59% of US
price level, 2025
GDP per capita
$35,917
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
5.9
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 582
Religion
none 48%believers unaffiliated with a religious society 9%Roman Catholic 7%other believers belonging to a church or religious society 6%

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 Znojmo (48.8555°, 16.0488°, elevation 294 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).