Mladá Boleslav weather in July

In July, Mladá Boleslav sees average daytime highs of 24°C and overnight lows near 14°C, with 78 mm of rain across 12.6 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 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 Mladá Boleslav's 2nd-clearest and 11th-windiest month. For the whole year in context, see Mladá Boleslav's year-round climate.

Daytime high
24°
1st warmest
Overnight low
14°
12th coldest
Rainfall
78 mm
12.6 wet days
Daylight
15 h 48 min
4:12 AM – 8:00 PM
Cloud cover
59%
2nd clearest
Wind
10 km/h
11th windiest
Solar energy
5.29 kWh/m²
Travel score
6.5
out of 10

Mladá Boleslav is town in Central Bohemian Region, Czech Republic.

Air quality
Elevated
PM2.5 15.6 µg/m³ · 2019
Density
1,511/km²
people per km²
Founded
1130

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 Mladá Boleslav 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 30°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
82313
92313
102313
112314
122314
132314
142414
152414
162414
172414
182414
192414
202414
212414
222414
232514
242514
252514
262515
272515
282515
292515
302515
312515

How July really feels in Mladá Boleslav

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.

Mladá Boleslav 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 / -3°5211.56.98.30.0
Feb / -2°429.45.49.70.0
Mar / 5211.13.611.51.2
Apr14° / 3890.813.53.9
May18° / 5811.60.115.25.7
Jun22° / 12°6711.5016.16.2
Jul24° / 14°7812.6015.86.5
Aug24° / 14°6610.4014.36.8
Sep19° / 10°589012.46.0
Oct13° / 509.80.210.53.3
Nov / 489.92.48.80.7
Dec / -2°5211.15.67.90.0

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 23% of July, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54951
64951
74753
84753
94654
104654
114654
124555
134555
144555
154555
164654
174654
184654
194654
204753
214852
224753
234951
244951
255149
265149
275149
285248
295248
305347
315347

Chance of precipitation in July

Any precipitation

Mladá Boleslav gets around 78 mm of rain over 12.6 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 40% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
138
239
340
440
541
642
743
844
944
1045
1145
1245
1344
1444
1543
1643
1742
1841
1940
2040
2139
2238
2337
2436
2536
2635
2735
2835
2935
3035
3135

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
164288
264288
363298
463298
563298
662308
761309
860319
960319
1060319
1159329
1259329
13583210
14573310
15573310
16573310
17563410
18553411
19543511
20543511
21533611
22533611
23533611
24533611
25523612
26523612
27513613
28523513
29523513
30523513
31523513

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
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 3:59 AM to 4:31 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)
116.23:598:09
216.14:008:08
316.14:008:08
416.14:018:08
516.14:028:07
616.14:028:07
716.14:038:06
816.04:048:06
916.04:058:05
1016.04:068:05
1116.04:078:04
1215.94:088:03
1315.94:098:03
1415.94:108:02
1515.84:118:01
1615.84:128:00
1715.84:137:59
1815.74:147:58
1915.74:157:57
2015.74:177:56
2115.64:187:55
2215.64:197:54
2315.54:207:53
2415.54:227:51
2515.54:237:50
2615.44:247:49
2715.44:267:48
2815.34:277:46
2915.34:287:45
3015.24:307:43
3115.24:317:42

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.29 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.41 kWh/m² in June across the year — July's 5.29 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in July

Is July a good time to visit Mladá Boleslav?

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

6.5
Sightseeing
2nd-best month of the year
5.4
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Mladá Boleslav for sightseeing.

What to pack for Mladá Boleslav in July

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

In July, Mladá Boleslav sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Mladá Boleslav 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 Mladá Boleslav peaks around June 21 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 21UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep5Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Mladá Boleslav 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 Mladá Boleslav is worst in March — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Mladá Boleslav's WHO annual average of 15.6 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2319 µg/m³Dec 1112 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar19Moderate
Apr18Moderate
May17Moderate
Jun18Moderate
Jul16Moderate
Aug17Moderate
Sep15Moderate
Oct13Moderate
Nov12Moderate
Dec12Moderate
Location & terrain

Where is Mladá Boleslav?

Mladá Boleslav sits at 50.4°N, 14.9°E, 241 m above sea level, in Czechia. The nearest listed city is Brandýs nad Labem-Stará Boleslav, 30 km away.

Brandýs nad Labem-Stará BoleslavMělníkJičínNeratovicePoděbradyJablonec nad NisouČeská LípaLiberec

Topography around Mladá Boleslav

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

Within 3 km, the terrain around Mladá Boleslav has only modest variations in elevation — a maximum elevation change of 171 m around an average of 238 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,573 m.

The land around Mladá Boleslav is covered by artificial surfaces (31%), cropland (29%) and trees (25%) within 3 km, cropland (53%) and trees (32%) within 16 km, and trees (42%) and cropland (37%) within 80 km.

3 km
171 m
16 km
222 m
80 km
1,573 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Brandýs nad Labem-Stará Boleslav 30 km · Mělník 31 km · Jičín 32 km · Neratovice 32 km · Poděbrady 34 km · Jablonec nad Nisou 40 km · Česká Lípa 40 km · Liberec 41 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 Mladá Boleslav (50.4113°, 14.9032°, elevation 241 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).