Olomouc weather in August

In August, Olomouc sees average daytime highs of 24°C and overnight lows near 14°C, with 71 mm of rain across 10.7 wet days and about 14.2 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 33% 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 24 min by month's end. Set against the rest of the year, August is Olomouc's 1st-clearest and 12th-windiest month. For the whole year in context, see Olomouc's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
71 mm
10.7 wet days
Daylight
14 h 12 min
4:48 AM – 7:02 PM
Cloud cover
54%
1st clearest
Wind
9 km/h
12th windiest
Solar energy
4.75 kWh/m²
Travel score
6.8
out of 10

Olomouc is city in Czechia.

Air quality
Elevated
PM2.5 17.8 µg/m³ · 2019
Density
963/km²
people per km²
Founded
1017

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 Olomouc reaches about 24°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°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)
12615
22615
32615
42615
52515
62515
72515
82515
92515
102514
112514
122514
132514
142514
152514
162514
172514
182414
192414
202414
212414
222413
232413
242413
252313
262313
272313
282313
292212
302212
312212

How August really feels in Olomouc

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.

Olomouc 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°348.85.58.40.0
Feb / -3°307.649.80.0
Mar / 429.42.411.51.4
Apr14° / 428.80.613.44.2
May19° / 7112.7015.15.7
Jun22° / 12°8212.20166.2
Jul24° / 14°9212.9015.66.5
Aug24° / 14°7110.7014.26.8
Sep19° / 10°679.8012.46.0
Oct13° / 488.80.310.53.6
Nov / 438.728.90.9
Dec / -2°398.84.380.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of August, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
26040
35941
46040
55941
66040
75941
85842
95941
105941
115842
125941
135941
145941
155842
165842
175842
185743
195743
205743
215743
225743
235644
245545
255545
265545
275446
285347
295248
305149
315149

Chance of precipitation in August

Any precipitation

Olomouc gets around 71 mm of rain over 10.7 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 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
338
438
538
637
737
837
937
1037
1136
1236
1336
1435
1535
1635
1734
1834
1934
2033
2133
2233
2333
2433
2533
2633
2733
2834
2934
3034
3134

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 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13838231
23838231
33838231
43938231
53938221
64038221
74037211
84137211
94237201
104337191
114437190
124437180
134537170
144637170
154737160
164736160
174836161
184836151
194936151
205035141
215035141
225234131
235333131
245433121
255532121
265731111
276030100
28622990
29642880
30652780
31672670

Wind in August

Winds average 9 km/h in August, the calmest month.

Across August, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 hours at the start of August to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over August. Sunrise moves from 4:26 AM to 5:10 AM, and sunset from 7:28 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:267:28
215.04:277:27
314.94:297:25
414.94:307:23
514.84:327:22
614.84:337:20
714.74:347:19
814.74:367:17
914.64:377:15
1014.64:397:13
1114.54:407:12
1214.54:427:10
1314.44:437:08
1414.44:457:06
1514.34:467:04
1614.24:487:02
1714.24:497:01
1814.14:516:59
1914.14:526:57
2014.04:546:55
2114.04:556:53
2213.94:576:51
2313.84:586:49
2413.85:006:47
2513.75:016:45
2613.75:036:42
2713.65:046:40
2813.55:066:38
2913.55:076:36
3013.45:096:34
3113.45:106:32

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.75 kWh/m².

For context, solar energy here swings from a low near 0.73 kWh/m² to a high of 5.5 kWh/m² in June across the year — August's 4.75 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.5Bright
234.5Bright
244.4Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.1Bright
304.0Bright
314.0Moderate
Planning a trip in August

Is August a good time to visit Olomouc?

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
5.8
Beach & pool
1st-best month of the year

August is a reasonable time to visit Olomouc for sightseeing.

What to pack for Olomouc in August

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

In August, Olomouc sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Olomouc 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 Olomouc peaks around June 22 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 highHighModerateLowJun 22UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7Very high
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Olomouc 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 Olomouc is worst in June — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Olomouc's WHO annual average of 17.8 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1621 µg/m³Dec 1114 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar21Moderate
Apr20Moderate
May20Moderate
Jun21Moderate
Jul20Moderate
Aug20Moderate
Sep18Moderate
Oct15Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Olomouc?

Olomouc sits at 49.6°N, 17.3°E, 223 m above sea level, in Czechia. The nearest listed city is Prostějov, 17 km away.

KroměřížHraniceVyškovŠumperkBruntálOtrokovice

Topography around Olomouc

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

Within 3 km, the terrain around Olomouc has only modest variations in elevation — a maximum elevation change of 62 m around an average of 221 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 451 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,324 m.

The land around Olomouc is covered by artificial surfaces (47%) and trees (23%) within 3 km, cropland (61%) and trees (23%) within 16 km, and trees (44%) and cropland (36%) within 80 km.

3 km
62 m
16 km
451 m
80 km
1,324 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Prostějov 17 km · Přerov 21 km · Kroměříž 35 km · Hranice 35 km · Vyškov 40 km · Šumperk 46 km · Bruntál 46 km · Otrokovice 48 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 Olomouc (49.5955°, 17.2518°, elevation 223 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).