Louny weather in August

In August, Louny sees average daytime highs of 24°C and overnight lows near 14°C, with 64 mm of rain across 9.8 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 27% 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 Louny's 1st-clearest and 12th-windiest month. For the whole year in context, see Louny's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
64 mm
9.8 wet days
Daylight
14 h 18 min
5:00 AM – 7:18 PM
Cloud cover
58%
1st clearest
Wind
9 km/h
12th windiest
Solar energy
4.64 kWh/m²
Travel score
6.9
out of 10

Louny is town in Czech Republic.

Density
748/km²
people per km²
Founded
1200

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 Louny 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 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)
12615
22615
32615
42514
52514
62514
72514
82514
92514
102514
112514
122514
132514
142514
152514
162414
172414
182414
192413
202413
212413
222413
232313
242313
252313
262313
272312
282212
292212
302212
312212

How August really feels in Louny

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.

Louny 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 / -2°318.74.28.30.0
Feb / -2°257.13.19.70.0
Mar / 3692.211.51.5
Apr14° / 3690.413.54.0
May19° / 5711.5015.25.7
Jun22° / 12°6711.1016.16.3
Jul24° / 14°7311.5015.76.7
Aug24° / 14°649.8014.36.9
Sep19° / 10°488.6012.46.1
Oct13° / 418.60.110.53.6
Nov / 3781.38.80.8
Dec / -1°358.83.97.90.0

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 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 (%)
15248
25248
35248
45347
55248
65248
75347
85347
95248
105248
115248
125149
135248
145149
155050
165050
175050
184852
194852
204753
214753
224753
234654
244654
254456
264456
274357
284357
294357
304357
314258

Chance of precipitation in August

Any precipitation

Louny gets around 64 mm of rain over 9.8 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 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
432
532
632
732
832
933
1033
1133
1233
1333
1433
1533
1633
1732
1832
1932
2032
2132
2231
2331
2431
2531
2631
2731
2831
2930
3030
3130

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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1563113
2563113
3573013
4583012
5583012
6592912
7602911
8602911
9602911
10622810
11622810
1263289
1363289
1463289
1562299
1662299
1762299
1862299
1962299
2062299
2163289
2263289
2365278
2465278
2566268
2668257
2768257
2869247
2971236
3072226
3174215

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 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 4:37 AM to 5:23 AM, and sunset from 7:45 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:377:45
215.14:397:43
315.04:407:41
415.04:427:40
514.94:437:38
614.94:447:36
714.84:467:35
814.84:477:33
914.74:497:31
1014.74:507:29
1114.64:527:28
1214.54:537:26
1314.54:557:24
1414.44:577:22
1514.44:587:20
1614.35:007:18
1714.35:017:16
1814.25:037:14
1914.15:047:12
2014.15:067:10
2114.05:077:08
2214.05:097:06
2313.95:107:04
2413.85:127:02
2513.85:147:00
2613.75:156:58
2713.65:176:56
2813.65:186:53
2913.55:206:51
3013.55:216:49
3113.45:236:47

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 0.72 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 Louny?

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

6.9
Sightseeing
1st-best month of the year
5.8
Beach & pool
1st-best month of the year

August is a reasonable time to visit Louny for sightseeing.

What to pack for Louny in August

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

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

light clothesrain gearsun protection

UV index in Louny 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 Louny 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 Louny 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 Louny 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 Louny?

Louny sits at 50.4°N, 13.8°E, 185 m above sea level, in Czechia. The nearest listed city is Žatec, 18 km away.

RakovníkChomutovJirkovLitvínovTerezín

Topography around Louny

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

Within 3 km, the terrain around Louny has only modest variations in elevation — a maximum elevation change of 100 m around an average of 207 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 534 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,205 m.

The land around Louny is covered by cropland (60%) within 3 km, cropland (63%) and trees (24%) within 16 km, and trees (47%) and cropland (31%) within 80 km.

3 km
100 m
16 km
534 m
80 km
1,205 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Žatec 18 km · Most 20 km · Slaný 25 km · Rakovník 29 km · Chomutov 29 km · Jirkov 29 km · Litvínov 30 km · Terezín 30 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 Louny (50.357°, 13.7967°, elevation 185 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).