Cluj-Napoca weather in July

In July, Cluj-Napoca sees average daytime highs of 24°C and overnight lows near 13°C, with 102 mm of rain across 15.6 wet days and about 15.3 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 25°C by the end. The sky is clear or mostly clear about 38% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 15 h 36 min at the start of July to 14 h 48 min by month's end. Set against the rest of the year, July is Cluj-Napoca's 2nd-clearest and 9th-windiest month. For the whole year in context, see Cluj-Napoca's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
13°
12th coldest
Rainfall
102 mm
15.6 wet days
Daylight
15 h 18 min
4:52 AM – 8:11 PM
Cloud cover
51%
2nd clearest
Wind
7 km/h
9th windiest
Solar energy
5.71 kWh/m²
Travel score
6.2
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 July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 25°C by the end.

A typical July day in Cluj-Napoca reaches about 24°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 29°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)
12413
22413
32413
42413
52413
62413
72413
82413
92413
102413
112413
122413
132413
142413
152413
162413
172413
182413
192413
202513
212514
222514
232514
242514
252514
262514
272514
282514
292514
302514
312514

How July really feels in Cluj-Napoca

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.

Cluj-Napoca weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 2nd-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26139
36139
46238
56238
66238
76139
86139
96139
106139
116139
126139
136139
146238
156238
166139
176139
186139
196139
206238
216238
226139
236139
246139
256238
266238
276238
286238
296238
306337
316337

Chance of precipitation in July

Any precipitation

Cluj-Napoca gets around 102 mm of rain over 15.6 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 50% and peaks near 51% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
150
250
350
450
550
650
750
850
950
1051
1151
1251
1351
1451
1551
1651
1751
1851
1951
2051
2151
2251
2351
2451
2551
2650
2750
2850
2949
3048
3148

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14436191
24436191
34437191
44338191
54338191
64238191
74238190
84238190
94138200
104138200
114038210
124038220
133938220
143938230
153839230
163739240
173539251
183440251
193340261
203241271
213042271
222942281
232843281
242644291
252544292
262445302
272345302
282245302
292246312
302146312
312146312

Wind in July

Winds average 7 km/h in July.

Across July, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
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
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 36 min at the start of July to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over July. Sunrise moves from 4:41 AM to 5:08 AM, and sunset from 8:17 PM to 7:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.64:418:17
215.64:418:17
315.64:428:17
415.64:428:17
515.64:438:16
615.54:448:16
715.54:448:16
815.54:458:15
915.54:468:15
1015.54:478:14
1115.44:478:14
1215.44:488:13
1315.44:498:13
1415.44:508:12
1515.34:518:11
1615.34:528:11
1715.34:538:10
1815.34:548:09
1915.24:558:08
2015.24:568:07
2115.24:578:06
2215.14:588:05
2315.14:598:04
2415.15:008:03
2515.05:018:02
2615.05:038:01
2714.95:048:00
2814.95:057:59
2914.95:067:58
3014.85:077:56
3114.85:087:55

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.71 kWh/m².

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 — July's 5.71 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Is July a good time to visit Cluj-Napoca?

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

6.2
Sightseeing
2nd-best month of the year
5.4
Beach & pool
2nd-best month of the year

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

What to pack for Cluj-Napoca in July

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

In July, Cluj-Napoca sees daytime highs around 24°C and nights near 13°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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 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 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
July 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).