Žatec weather in August

In August, Žatec sees average daytime highs of 23°C and overnight lows near 13°C, with 61 mm of rain across 10.3 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 3rd-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 26% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 06 min at the start of August to 13 h 24 min by month's end. Set against the rest of the year, August is Žatec's 1st-clearest and 12th-windiest month. For the whole year in context, see Žatec's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
61 mm
10.3 wet days
Daylight
14 h 18 min
5:01 AM – 7:19 PM
Cloud cover
58%
1st clearest
Wind
9 km/h
12th windiest
Solar energy
4.64 kWh/m²
Travel score
6.8
out of 10

Žatec is town in Louny District, Ústí nad Labem Region, Czech Republic.

Density
444/km²
people per km²
Founded
1052

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 Žatec 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 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)
12514
22514
32514
42514
52514
62514
72514
82514
92414
102414
112414
122413
132413
142413
152413
162413
172413
182413
192313
202313
212313
222312
232312
242312
252212
262212
272212
282212
292212
302111
312111

How August really feels in Žatec

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.

Žatec 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°338.94.78.30.0
Feb / -2°267.13.89.70.0
Mar / 3692.511.51.2
Apr13° / 348.70.413.53.8
May18° / 5411.5015.25.5
Jun21° / 11°6311.4016.16.2
Jul24° / 13°7011.7015.76.6
Aug23° / 13°6110.3014.36.8
Sep18° / 478.5012.45.9
Oct12° / 4190.210.53.3
Nov / 377.91.68.80.6
Dec / -2°368.74.47.90.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35248
45248
55149
65149
75248
85248
95248
105248
115248
125248
135149
145149
155050
164951
174951
184852
194852
204852
214852
224753
234753
244753
254654
264456
274456
284357
294357
304357
314357

Chance of precipitation in August

Any precipitation

Žatec gets around 61 mm of rain over 10.3 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 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
334
434
534
634
734
834
934
1034
1134
1234
1334
1434
1534
1634
1734
1834
1933
2033
2133
2233
2333
2433
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 65% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1583210
2583210
3593110
460319
560319
661309
762308
862308
964297
1064297
1164297
1265296
1365296
1464306
1565305
1665305
1765305
1865305
1965305
2064306
2164306
2265296
2365296
2467285
2568275
2669265
2770255
2871245
2973234
3075214
3176204

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
269calm
279calm
289calm
299calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 06 min 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 102 minutes over August. Sunrise moves from 4:38 AM to 5:24 AM, and sunset from 7:45 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:387:45
215.14:407:44
315.04:417:42
415.04:437:41
514.94:447:39
614.94:467:37
714.84:477:36
814.84:497:34
914.74:507:32
1014.64:527:30
1114.64:537:29
1214.54:557:27
1314.54:567:25
1414.44:587:23
1514.44:597:21
1614.35:017:19
1714.25:027:17
1814.25:047:15
1914.15:057:13
2014.15:077:11
2114.05:087:09
2214.05:107:07
2313.95:127:05
2413.85:137:03
2513.85:157:01
2613.75:166:59
2713.65:186:56
2813.65:196:54
2913.55:216:52
3013.55:226:50
3113.45:246:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.64 kWh/m².

For context, solar energy here swings from a low near 0.71 kWh/m² to a high of 5.44 kWh/m² in June across the year — August's 4.64 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.0Bright
304.0Moderate
313.9Moderate
Planning a trip in August

Is August a good time to visit Žatec?

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
5.4
Beach & pool
1st-best month of the year

August is a reasonable time to visit Žatec for sightseeing.

What to pack for Žatec in August

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

In August, Žatec sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Žatec 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 Žatec peaks around June 21 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 21UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

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

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1321 µg/m³Dec 1414 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar20Moderate
Apr21Moderate
May18Moderate
Jun20Moderate
Jul18Moderate
Aug19Moderate
Sep18Moderate
Oct16Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Žatec?

Žatec sits at 50.3°N, 13.5°E, 233 m above sea level, in Czechia. The nearest listed city is Chomutov, 17 km away.

RakovníkLitvínovSlaný

Topography around Žatec

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

Within 3 km, the terrain around Žatec has only modest variations in elevation — a maximum elevation change of 104 m around an average of 240 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 370 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,205 m.

The land around Žatec is covered by cropland (45%) and trees (24%) within 3 km, cropland (64%) and trees (21%) within 16 km, and trees (47%) and cropland (30%) within 80 km.

3 km
104 m
16 km
370 m
80 km
1,205 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Chomutov 17 km · Louny 18 km · Jirkov 20 km · Most 21 km · Kadaň 21 km · Rakovník 28 km · Litvínov 31 km · Slaný 40 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 Žatec (50.3272°, 13.5458°, elevation 233 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).