Mladá Boleslav weather in August

In August, Mladá Boleslav sees average daytime highs of 24°C and overnight lows near 14°C, with 66 mm of rain across 10.4 wet days and about 14.3 hours of daylight. It is the 1st-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 28% 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 Mladá Boleslav's 1st-clearest and 12th-windiest month. For the whole year in context, see Mladá Boleslav's year-round climate.

Daytime high
24°
1st warmest
Overnight low
14°
11th coldest
Rainfall
66 mm
10.4 wet days
Daylight
14 h 18 min
4:55 AM – 7:14 PM
Cloud cover
57%
1st clearest
Wind
9 km/h
12th windiest
Solar energy
4.61 kWh/m²
Travel score
6.8
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 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 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, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72514
82514
92514
102514
112514
122514
132414
142414
152414
162414
172414
182414
192414
202413
212413
222313
232313
242313
252313
262313
272213
282212
292212
302212
312112

How August really feels in Mladá Boleslav

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.

Mladá Boleslav weather by month

How August compares with the rest of the year at a glance. August is the 1st-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°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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45545
55545
65545
75545
85545
95446
105446
115446
125347
135347
145248
155248
165248
175248
185050
195050
204951
214951
224951
234951
244753
254753
264654
274654
284555
294456
304357
314456

Chance of precipitation in August

Any precipitation

Mladá Boleslav gets around 66 mm of rain over 10.4 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 34% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
435
535
635
735
835
935
1035
1135
1235
1335
1434
1534
1634
1734
1833
1933
2032
2132
2232
2332
2432
2532
2632
2733
2833
2933
3033
3133

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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1523414
2523414
3533314
4533314
5543214
6553213
7563113
8563113
9573112
10583012
11593011
12593011
13603010
14603010
15603010
16603010
1761309
1861309
1961309
2061309
2162299
2263298
2363298
2464288
2565287
2666277
2767276
2868266
2970255
3071245
3173234

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
2410calm
2510calm
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 4:33 AM to 5:18 AM, and sunset from 7:40 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:337:40
215.14:347:39
315.04:357:37
415.04:377:36
514.94:387:34
614.94:407:32
714.84:417:31
814.84:437:29
914.74:447:27
1014.74:467:25
1114.64:477:23
1214.54:497:22
1314.54:507:20
1414.44:527:18
1514.44:547:16
1614.34:557:14
1714.34:577:12
1814.24:587:10
1914.15:007:08
2014.15:017:06
2114.05:037:04
2214.05:047:02
2313.95:067:00
2413.85:076:58
2513.85:096:55
2613.75:116:53
2713.75:126:51
2813.65:146:49
2913.55:156:47
3013.55:176:45
3113.45:186:42

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.61 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 — August's 4.61 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.2Bright
264.1Bright
274.1Bright
284.0Bright
294.0Moderate
303.9Moderate
313.9Moderate
Planning a trip in August

Is August a good time to visit Mladá Boleslav?

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
5.6
Beach & pool
1st-best month of the year

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

What to pack for Mladá Boleslav in August

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

In August, Mladá Boleslav 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 Mladá Boleslav 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 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 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 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
August 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).