Louny weather in July

In July, Louny sees average daytime highs of 24°C and overnight lows near 14°C, with 73 mm of rain across 11.5 wet days and about 15.7 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 25% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 12 min at the start of July to 15 h 12 min by month's end. Set against the rest of the year, July is Louny's 2nd-clearest and 10th-windiest month. For the whole year in context, see Louny's year-round climate.

Daytime high
24°
1st warmest
Overnight low
14°
12th coldest
Rainfall
73 mm
11.5 wet days
Daylight
15 h 48 min
4:17 AM – 8:04 PM
Cloud cover
60%
2nd clearest
Wind
10 km/h
10th windiest
Solar energy
5.36 kWh/m²
Travel score
6.7
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 July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 25°C by the end.

A typical July day in Louny 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 31°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12313
22313
32313
42313
52313
62313
72313
82413
92413
102414
112414
122414
132414
142414
152414
162414
172414
182414
192414
202514
212514
222514
232514
242514
252514
262514
272515
282515
292515
302515
312615

How July really feels in Louny

Once humidity and wind are folded in, July 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

July 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 July compares with the rest of the year at a glance. July is the 1st-warmest and 1st-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54555
64456
74456
84456
94357
104357
114357
124357
134357
144456
154555
164555
174555
184555
194654
204753
214753
224852
234951
245050
255050
265050
275149
285149
295149
305149
315248

Chance of precipitation in July

Any precipitation

Louny gets around 73 mm of rain over 11.5 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
238
338
439
539
640
740
840
940
1040
1140
1239
1339
1439
1538
1637
1737
1836
1936
2035
2135
2234
2334
2434
2533
2633
2733
2833
2932
3032
3132

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the dry band about 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
169256
268257
367267
467267
567267
666277
766277
865287
964288
1064288
1164288
1263298
1363298
1463298
1563298
1663298
1763298
1863298
1961309
2061309
2161309
2260319
23593110
24593110
25583111
26583111
27573112
28573112
29563113
30563113
31563113

Wind in July

Winds average 10 km/h in July.

Across July, 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 12 min at the start of July to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over July. Sunrise moves from 4:04 AM to 4:36 AM, and sunset from 8:13 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.24:048:13
216.14:048:12
316.14:058:12
416.14:068:12
516.14:068:11
616.14:078:11
716.04:088:11
816.04:098:10
916.04:108:10
1016.04:108:09
1115.94:118:08
1215.94:128:08
1315.94:138:07
1415.94:148:06
1515.84:158:05
1615.84:178:04
1715.84:188:03
1815.74:198:02
1915.74:208:01
2015.74:218:00
2115.64:227:59
2215.64:247:58
2315.54:257:57
2415.54:267:56
2515.44:287:54
2615.44:297:53
2715.44:307:52
2815.34:327:50
2915.34:337:49
3015.24:347:48
3115.24:367:46

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.36 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 — July's 5.36 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in July

Is July a good time to visit Louny?

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

6.7
Sightseeing
2nd-best month of the year
5.7
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Louny for sightseeing.

What to pack for Louny in July

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

In July, Louny sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Louny in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).