Jablonec nad Nisou weather in July

In July, Jablonec nad Nisou sees average daytime highs of 21°C and overnight lows near 12°C, with 129 mm of rain across 16.5 wet days and about 15.8 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 21% 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 Jablonec nad Nisou's 2nd-clearest and 11th-windiest month. For the whole year in context, see Jablonec nad Nisou's year-round climate.

Daytime high
21°
1st warmest
Overnight low
12°
12th coldest
Rainfall
129 mm
16.5 wet days
Daylight
15 h 48 min
4:09 AM – 8:00 PM
Cloud cover
63%
2nd clearest
Wind
9 km/h
11th windiest
Solar energy
5.18 kWh/m²
Travel score
5.5
out of 10

Jablonec nad Nisou is city in Czechia.

Air quality
Good
PM10 15.8 µg/m³ · 2019
Density
1,472/km²
people per km²
Founded
1356

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 20°C in the first days to 22°C by the end.

A typical July day in Jablonec nad Nisou reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 27°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12011
22011
32011
42011
52011
62011
72011
82011
92012
102012
112112
122112
132112
142112
152112
162112
172112
182112
192112
202112
212112
222212
232212
242212
252212
262213
272213
282213
292213
302213
312213

How July really feels in Jablonec nad Nisou

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.

Jablonec nad Nisou 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-0° / -5°8814.511.98.20.0
Feb / -4°6912.19.29.70.0
Mar / -2°8114.18.411.50.3
Apr11° / 5912.42.913.52.6
May16° / 9315.20.215.24.4
Jun19° / 10°10515.6016.25.2
Jul21° / 12°12916.5015.85.5
Aug21° / 12°10514.4014.35.8
Sep16° / 8612.4012.44.6
Oct11° / 74121.110.42.3
Nov / 7312.25.68.70.2
Dec / -4°8114.211.37.80.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 19% of July, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54159
64060
74060
83961
93862
103862
113763
123763
133763
143664
153664
163664
173862
183862
193862
203961
214060
224060
234159
244357
254456
264456
274555
284654
294654
304753
314753

Chance of precipitation in July

Any precipitation

Jablonec nad Nisou gets around 129 mm of rain over 16.5 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 53% and peaks near 57% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
153
253
353
454
554
655
755
856
956
1057
1157
1257
1357
1457
1557
1656
1756
1855
1954
2053
2152
2252
2351
2450
2549
2648
2747
2847
2946
3046
3146

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 (%)
171236
270246
370246
469256
569256
668257
767267
867267
967267
1065278
1165278
1264288
1364288
1463298
1562299
1661309
1761309
1860319
1960319
2059329
2159329
2258339
2358339
2458339
2558339
26563410
27563410
28563410
29563410
30543511
31543511

Wind in July

Winds average 9 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
179calm
189calm
199calm
209calm
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 3:56 AM to 4:29 AM, and sunset from 8:09 PM to 7:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.23:568:09
216.23:578:09
316.23:588:08
416.23:588:08
516.13:598:08
616.14:008:07
716.14:018:07
816.14:018:06
916.14:028:06
1016.04:038:05
1116.04:048:04
1216.04:058:04
1315.94:068:03
1415.94:078:02
1515.94:088:01
1615.84:098:00
1715.84:117:59
1815.84:127:58
1915.74:137:57
2015.74:147:56
2115.74:157:55
2215.64:177:54
2315.64:187:53
2415.54:197:52
2515.54:217:50
2615.54:227:49
2715.44:237:48
2815.44:257:46
2915.34:267:45
3015.34:287:43
3115.24:297:42

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.18 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.3 kWh/m² in June across the year — July's 5.18 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in July

Is July a good time to visit Jablonec nad Nisou?

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

5.5
Sightseeing
2nd-best month of the year
3.4
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Jablonec nad Nisou for sightseeing.

What to pack for Jablonec nad Nisou in July

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

In July, Jablonec nad Nisou sees daytime highs around 21°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 17 days see rain.

rain gearsun protection

UV index in Jablonec nad Nisou 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 Jablonec nad Nisou peaks around June 20 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJun 20UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep5Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Jablonec nad Nisou 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 Jablonec nad Nisou is worst in June — around 18 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1617 µg/m³Dec 1112 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar17Moderate
Apr17Moderate
May16Moderate
Jun18Moderate
Jul16Moderate
Aug17Moderate
Sep15Moderate
Oct13Moderate
Nov12Good
Dec12Good
Location & terrain

Where is Jablonec nad Nisou?

Jablonec nad Nisou sits at 50.7°N, 15.2°E, 475 m above sea level, in Czechia. The nearest listed city is Liberec, 9.0 km away.

ZittauJičínMladá BoleslavJelenia GóraLubańČeská Lípa

Topography around Jablonec nad Nisou

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

Within 3 km, the terrain around Jablonec nad Nisou has significant variations in elevation — a maximum elevation change of 362 m around an average of 552 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 860 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,572 m.

The land around Jablonec nad Nisou is covered by trees (69%) within 3 km, trees (69%) within 16 km, and trees (45%) and cropland (34%) within 80 km.

3 km
362 m
16 km
860 m
80 km
1,572 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Liberec 9.0 km · Bogatynia 25 km · Zittau 32 km · Jičín 34 km · Mladá Boleslav 40 km · Jelenia Góra 44 km · Lubań 45 km · Česká Lípa 45 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 Jablonec nad Nisou (50.7243°, 15.1711°, elevation 475 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).