Cluj-Napoca weather in June

In June, Cluj-Napoca sees average daytime highs of 22°C and overnight lows near 12°C, with 107 mm of rain across 16 wet days and about 15.6 hours of daylight. It is the 3rd-warmest and 1st-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 30% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 24 min at the start of June to 15 h 36 min by month's end. Set against the rest of the year, June is Cluj-Napoca's 5th-clearest and 5th-windiest month. For the whole year in context, see Cluj-Napoca's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
12°
10th coldest
Rainfall
107 mm
16 wet days
Daylight
15 h 36 min
4:37 AM – 8:15 PM
Cloud cover
57%
5th clearest
Wind
7 km/h
5th windiest
Solar energy
5.8 kWh/m²
Travel score
5.8
out of 10

Cluj-Napoca is city and seat of Cluj County in northwestern Romania.

Air quality
Elevated
PM2.5 17.8 µg/m³ · 2017
Density
1,597/km²
people per km²
Founded
1213

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 Cluj-Napoca reaches about 22°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 17°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)
12110
22111
32111
42111
52111
62211
72211
82211
92211
102212
112212
122212
132312
142312
152312
162312
172312
182312
192312
202312
212312
222312
232312
242313
252313
262313
272313
282313
292313
302313

How June really feels in Cluj-Napoca

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.

Cluj-Napoca weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°3486.58.80.0
Feb / -5°359.25.8100.0
Mar / -1°49103.811.61.5
Apr14° / 6812.61.313.33.9
May19° / 8915.9014.85.3
Jun22° / 12°10716015.65.8
Jul24° / 13°10215.6015.36.2
Aug25° / 13°8412.40146.8
Sep20° / 7110.3012.46.2
Oct14° / 5690.610.64.3
Nov / 428.639.21.2
Dec / -4°438.85.68.40.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 25% of June, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24951
34951
45050
55149
65149
75149
85248
95248
105248
115347
125248
135347
145347
155446
165446
175446
185446
195545
205545
215644
225743
235743
245842
255941
266040
276040
286040
296139
306139

Chance of precipitation in June

Any precipitation

Cluj-Napoca gets around 107 mm of rain over 16 wet days in June, 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 55% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
153
253
353
453
553
653
754
854
954
1054
1154
1254
1354
1454
1554
1654
1755
1855
1955
2054
2154
2254
2353
2452
2552
2651
2751
2851
2951
3050

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 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1752410
2722620
3702820
4673030
5653140
6633340
7613450
8593560
9563680
10543790
115238100
125038111
134939121
144839131
154638141
164638151
174537161
184537171
194536181
204535181
214534192
224534192
234534192
244534192
254534192
264534192
274534192
284534192
294535191
304535191

Wind in June

Winds average 7 km/h in June.

Across June, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 24 min at the start of June to 15 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:42 AM to 4:40 AM, and sunset from 8:04 PM to 8:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.44:428:04
215.44:418:05
315.44:418:06
415.44:408:07
515.54:408:08
615.54:398:08
715.54:398:09
815.54:398:10
915.54:388:11
1015.64:388:11
1115.64:388:12
1215.64:378:13
1315.64:378:13
1415.64:378:14
1515.64:378:14
1615.64:378:15
1715.64:378:15
1815.64:378:16
1915.74:378:16
2015.74:378:16
2115.74:378:17
2215.74:378:17
2315.74:378:17
2415.74:388:17
2515.74:388:17
2615.74:388:18
2715.64:398:18
2815.64:398:18
2915.64:408:18
3015.64:408:17

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.8 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.12 kWh/m² to a high of 5.8 kWh/m² in June across the year — June's 5.8 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in June

Is June a good time to visit Cluj-Napoca?

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

5.8
Sightseeing
4th-best month of the year
4.3
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Cluj-Napoca for sightseeing.

What to pack for Cluj-Napoca in June

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

In June, Cluj-Napoca sees daytime highs around 22°C and nights near 12°C. Pack rain gear. Worth having: light clothes and sun protection. About 16 days see rain.

rain gearlight clothessun protection

UV index in Cluj-Napoca in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cluj-Napoca peaks around July 15 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 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 highModerateLowJul 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Cluj-Napoca 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 Cluj-Napoca is worst in April — around 24 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Cluj-Napoca's WHO annual average of 17.8 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1624 µg/m³Dec 1511 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar22Moderate
Apr24Moderate
May22Moderate
Jun22Moderate
Jul21Moderate
Aug19Moderate
Sep15Moderate
Oct12Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Cluj-Napoca?

Cluj-Napoca sits at 46.8°N, 23.6°E, 352 m above sea level, in Romania. The nearest listed city is Turda, 26 km away.

Ocna MureşDejLuduşAiudZalău

Topography around Cluj-Napoca

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cluj-Napoca.

Within 3 km, the terrain around Cluj-Napoca has only modest variations in elevation — a maximum elevation change of 202 m around an average of 375 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 546 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,669 m.

The land around Cluj-Napoca is covered by artificial surfaces (61%) and trees (24%) within 3 km, grassland (45%), trees (25%) and cropland (21%) within 16 km, and trees (43%), grassland (35%) and cropland (20%) within 80 km.

3 km
202 m
16 km
546 m
80 km
1,669 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Turda 26 km · Câmpia Turzii 32 km · Gherla 38 km · Ocna Mureş 47 km · Dej 47 km · Luduş 50 km · Aiud 52 km · Zalău 64 km

Romania travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 44% of US
price level, 2025
GDP per capita
$22,538
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
10.3
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 605
Religion
Romanian Orthodox 85%other 5%Roman Catholic 5%Reformed 3%

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 Cluj-Napoca (46.7667°, 23.6°, elevation 352 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).