Mladá Boleslav weather in June

In June, Mladá Boleslav sees average daytime highs of 22°C and overnight lows near 12°C, with 67 mm of rain across 11.5 wet days and about 16.1 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 22% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 54 min at the start of June to 16 h 12 min by month's end. Set against the rest of the year, June is Mladá Boleslav's 5th-clearest and 10th-windiest month. For the whole year in context, see Mladá Boleslav's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
12°
10th coldest
Rainfall
67 mm
11.5 wet days
Daylight
16 h 12 min
3:55 AM – 8:06 PM
Cloud cover
63%
5th clearest
Wind
10 km/h
10th windiest
Solar energy
5.41 kWh/m²
Travel score
6.2
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 June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 23°C by the end.

A typical June day in Mladá Boleslav reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 28°C. Set against its neighbours, June runs about 3°C warmer than May and about 2°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12011
22111
32111
42111
52111
62111
72111
82112
92112
102112
112112
122212
132212
142212
152212
162212
172212
182212
192212
202212
212212
222212
232212
242213
252213
262213
272213
282313
292313
302313

How June really feels in Mladá Boleslav

Once humidity and wind are folded in, June 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

June 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 June compares with the rest of the year at a glance. June is the 3rd-warmest and 2nd-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24159
34159
44357
54357
64357
74258
84258
94258
104060
114060
123961
133961
143961
153961
163862
173862
183961
193961
203961
214060
224159
234258
244357
254555
264555
274753
284753
294852
304951

Chance of precipitation in June

Any precipitation

Mladá Boleslav gets around 67 mm of rain over 11.5 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
240
340
440
540
640
740
840
940
1040
1140
1240
1340
1440
1539
1639
1739
1839
1938
2038
2138
2238
2337
2437
2537
2637
2737
2837
2938
3038

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1801730
2801730
3791830
4781840
5771940
6771940
7761950
8752050
9752050
10752050
11752050
12752050
13752050
14732151
15732151
16732151
17732151
18722251
19722251
20712351
21712351
22702361
23692461
24692461
25672571
26672571
27662671
28652681
29642781
30652780

Wind in June

Winds average 10 km/h in June.

Across June, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
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
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 54 min at the start of June to 16 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over June. Sunrise moves from 4:02 AM to 3:58 AM, and sunset from 7:54 PM to 8:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.94:027:54
215.94:017:55
315.94:007:56
416.04:007:57
516.03:597:58
616.03:587:59
716.03:588:00
816.13:578:01
916.13:578:02
1016.13:578:02
1116.13:568:03
1216.13:568:04
1316.13:568:04
1416.23:558:05
1516.23:558:06
1616.23:558:06
1716.23:558:07
1816.23:558:07
1916.23:558:07
2016.23:558:08
2116.23:558:08
2216.23:558:08
2316.23:568:09
2416.23:568:09
2516.23:568:09
2616.23:578:09
2716.23:578:09
2816.23:578:09
2916.23:588:09
3016.23:588:09

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.41 kWh/m² — the sunniest month for solar.

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 — June's 5.41 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
Planning a trip in June

Is June a good time to visit Mladá Boleslav?

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

6.2
Sightseeing
3rd-best month of the year
4.1
Beach & pool
3rd-best month of the year

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

What to pack for Mladá Boleslav in June

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

In June, Mladá Boleslav sees daytime highs around 22°C and nights near 12°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Mladá Boleslav in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 June

GoodModeratePoorUnhealthyVery unhealthy

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