Cluj-Napoca weather in May
In May, Cluj-Napoca sees average daytime highs of 19°C and overnight lows near 8°C, with 89 mm of rain across 15.9 wet days and about 14.8 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.
Highs climb over the month, from about 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels dry.
Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Cluj-Napoca's 7th-clearest and 3rd-windiest month. For the whole year in context, see Cluj-Napoca's year-round climate.
- Daytime high
- 19°
- 5th warmest
- Overnight low
- 8°
- 8th coldest
- Rainfall
- 89 mm
- 15.9 wet days
- Daylight
- 14 h 48 min
- 4:57 AM – 7:46 PM
- Cloud cover
- 62%
- 7th clearest
- Wind
- 8 km/h
- 3rd windiest
- Solar energy
- 5.45 kWh/m²
- Travel score
- 5.3
- 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 May
Highs climb over the month, from about 18°C in the first days to 20°C by the end.
A typical May day in Cluj-Napoca reaches about 19°C in the afternoon and slips back to 8°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 25°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 |
| Avg low (°C) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 18 | 7 |
| 2 | 18 | 7 |
| 3 | 18 | 7 |
| 4 | 18 | 7 |
| 5 | 18 | 7 |
| 6 | 18 | 7 |
| 7 | 18 | 7 |
| 8 | 18 | 7 |
| 9 | 18 | 8 |
| 10 | 19 | 8 |
| 11 | 19 | 8 |
| 12 | 19 | 8 |
| 13 | 19 | 8 |
| 14 | 19 | 8 |
| 15 | 19 | 8 |
| 16 | 19 | 8 |
| 17 | 19 | 9 |
| 18 | 19 | 9 |
| 19 | 19 | 9 |
| 20 | 19 | 9 |
| 21 | 19 | 9 |
| 22 | 20 | 9 |
| 23 | 20 | 9 |
| 24 | 20 | 9 |
| 25 | 20 | 10 |
| 26 | 20 | 10 |
| 27 | 20 | 10 |
| 28 | 20 | 10 |
| 29 | 20 | 10 |
| 30 | 20 | 10 |
| 31 | 21 | 10 |
How May really feels in Cluj-Napoca
Once humidity and wind are folded in, May 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.
May 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 May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 1° / -6° | 34 | 8 | 6.5 | 8.8 | 0.0 |
| Feb | 3° / -5° | 35 | 9.2 | 5.8 | 10 | 0.0 |
| Mar | 8° / -1° | 49 | 10 | 3.8 | 11.6 | 1.5 |
| Apr | 14° / 4° | 68 | 12.6 | 1.3 | 13.3 | 3.9 |
| May | 19° / 8° | 89 | 15.9 | 0 | 14.8 | 5.3 |
| Jun | 22° / 12° | 107 | 16 | 0 | 15.6 | 5.8 |
| Jul | 24° / 13° | 102 | 15.6 | 0 | 15.3 | 6.2 |
| Aug | 25° / 13° | 84 | 12.4 | 0 | 14 | 6.8 |
| Sep | 20° / 9° | 71 | 10.3 | 0 | 12.4 | 6.2 |
| Oct | 14° / 4° | 56 | 9 | 0.6 | 10.6 | 4.3 |
| Nov | 8° / 0° | 42 | 8.6 | 3 | 9.2 | 1.2 |
| Dec | 2° / -4° | 43 | 8.8 | 5.6 | 8.4 | 0.0 |
Cloud cover in May
The sky is clear or mostly clear about 25% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 56%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 47 | 47 | 46 | 46 | 44 | 43 | 43 | 43 | 43 | 41 | 41 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 42 | 42 | 44 | 44 | 43 | 43 | 45 | 46 | 46 | 45 | 46 | 47 | 47 |
| Cloudier (%) | 53 | 53 | 54 | 54 | 56 | 57 | 57 | 57 | 57 | 59 | 59 | 58 | 58 | 58 | 58 | 57 | 57 | 57 | 58 | 58 | 56 | 56 | 57 | 57 | 55 | 54 | 54 | 55 | 54 | 53 | 53 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 47 | 53 |
| 2 | 47 | 53 |
| 3 | 46 | 54 |
| 4 | 46 | 54 |
| 5 | 44 | 56 |
| 6 | 43 | 57 |
| 7 | 43 | 57 |
| 8 | 43 | 57 |
| 9 | 43 | 57 |
| 10 | 41 | 59 |
| 11 | 41 | 59 |
| 12 | 42 | 58 |
| 13 | 42 | 58 |
| 14 | 42 | 58 |
| 15 | 42 | 58 |
| 16 | 43 | 57 |
| 17 | 43 | 57 |
| 18 | 43 | 57 |
| 19 | 42 | 58 |
| 20 | 42 | 58 |
| 21 | 44 | 56 |
| 22 | 44 | 56 |
| 23 | 43 | 57 |
| 24 | 43 | 57 |
| 25 | 45 | 55 |
| 26 | 46 | 54 |
| 27 | 46 | 54 |
| 28 | 45 | 55 |
| 29 | 46 | 54 |
| 30 | 47 | 53 |
| 31 | 47 | 53 |
Chance of precipitation in May
Cluj-Napoca gets around 89 mm of rain over 15.9 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 51% and peaks near 54% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 44 | 44 | 45 | 45 | 45 | 46 | 47 | 48 | 48 | 49 | 50 | 50 | 51 | 51 | 51 | 52 | 52 | 52 | 53 | 53 | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 |
| Rain chance (%) | |
|---|---|
| 1 | 44 |
| 2 | 44 |
| 3 | 45 |
| 4 | 45 |
| 5 | 45 |
| 6 | 46 |
| 7 | 47 |
| 8 | 48 |
| 9 | 48 |
| 10 | 49 |
| 11 | 50 |
| 12 | 50 |
| 13 | 51 |
| 14 | 51 |
| 15 | 51 |
| 16 | 52 |
| 17 | 52 |
| 18 | 52 |
| 19 | 53 |
| 20 | 53 |
| 21 | 53 |
| 22 | 53 |
| 23 | 54 |
| 24 | 54 |
| 25 | 54 |
| 26 | 54 |
| 27 | 54 |
| 28 | 54 |
| 29 | 54 |
| 30 | 54 |
| 31 | 54 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 97 | 97 | 97 | 96 | 95 | 95 | 94 | 93 | 92 | 91 | 90 | 89 | 88 | 87 | 86 | 84 | 83 | 82 | 80 | 78 | 76 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 5 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 17 | 18 | 20 | 21 | 23 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 99 | 1 | 0 |
| 2 | 99 | 1 | 0 |
| 3 | 99 | 1 | 0 |
| 4 | 99 | 1 | 0 |
| 5 | 99 | 1 | 0 |
| 6 | 99 | 1 | 0 |
| 7 | 99 | 1 | 0 |
| 8 | 98 | 2 | 0 |
| 9 | 98 | 2 | 0 |
| 10 | 98 | 2 | 0 |
| 11 | 97 | 3 | 0 |
| 12 | 97 | 3 | 0 |
| 13 | 97 | 3 | 0 |
| 14 | 96 | 4 | 0 |
| 15 | 95 | 5 | 0 |
| 16 | 95 | 5 | 0 |
| 17 | 94 | 6 | 0 |
| 18 | 93 | 7 | 0 |
| 19 | 92 | 8 | 0 |
| 20 | 91 | 9 | 0 |
| 21 | 90 | 10 | 0 |
| 22 | 89 | 11 | 0 |
| 23 | 88 | 12 | 0 |
| 24 | 87 | 13 | 0 |
| 25 | 86 | 14 | 0 |
| 26 | 84 | 16 | 0 |
| 27 | 83 | 17 | 0 |
| 28 | 82 | 18 | 0 |
| 29 | 80 | 20 | 0 |
| 30 | 78 | 21 | 1 |
| 31 | 76 | 23 | 1 |
Wind in May
Winds average 8 km/h in May.
Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in May
Daylight runs from about 14 h 06 min at the start of May to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 72 minutes over May. Sunrise moves from 5:19 AM to 4:43 AM, and sunset from 7:27 PM to 8:03 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.1 | 14.2 | 14.2 | 14.3 | 14.3 | 14.4 | 14.4 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.7 | 14.7 | 14.8 | 14.8 | 14.9 | 14.9 | 14.9 | 15.0 | 15.0 | 15.1 | 15.1 | 15.1 | 15.2 | 15.2 | 15.2 | 15.3 | 15.3 | 15.3 | 15.3 |
| Sunrise (AM) | 5:19 | 5:17 | 5:16 | 5:14 | 5:13 | 5:11 | 5:10 | 5:08 | 5:07 | 5:05 | 5:04 | 5:02 | 5:01 | 5:00 | 4:59 | 4:57 | 4:56 | 4:55 | 4:54 | 4:53 | 4:52 | 4:51 | 4:50 | 4:49 | 4:48 | 4:47 | 4:46 | 4:45 | 4:44 | 4:44 | 4:43 |
| Sunset (PM) | 7:27 | 7:28 | 7:29 | 7:31 | 7:32 | 7:33 | 7:35 | 7:36 | 7:37 | 7:39 | 7:40 | 7:41 | 7:43 | 7:44 | 7:45 | 7:46 | 7:48 | 7:49 | 7:50 | 7:51 | 7:52 | 7:54 | 7:55 | 7:56 | 7:57 | 7:58 | 7:59 | 8:00 | 8:01 | 8:02 | 8:03 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.1 | 5:19 | 7:27 |
| 2 | 14.2 | 5:17 | 7:28 |
| 3 | 14.2 | 5:16 | 7:29 |
| 4 | 14.3 | 5:14 | 7:31 |
| 5 | 14.3 | 5:13 | 7:32 |
| 6 | 14.4 | 5:11 | 7:33 |
| 7 | 14.4 | 5:10 | 7:35 |
| 8 | 14.5 | 5:08 | 7:36 |
| 9 | 14.5 | 5:07 | 7:37 |
| 10 | 14.6 | 5:05 | 7:39 |
| 11 | 14.6 | 5:04 | 7:40 |
| 12 | 14.6 | 5:02 | 7:41 |
| 13 | 14.7 | 5:01 | 7:43 |
| 14 | 14.7 | 5:00 | 7:44 |
| 15 | 14.8 | 4:59 | 7:45 |
| 16 | 14.8 | 4:57 | 7:46 |
| 17 | 14.9 | 4:56 | 7:48 |
| 18 | 14.9 | 4:55 | 7:49 |
| 19 | 14.9 | 4:54 | 7:50 |
| 20 | 15.0 | 4:53 | 7:51 |
| 21 | 15.0 | 4:52 | 7:52 |
| 22 | 15.1 | 4:51 | 7:54 |
| 23 | 15.1 | 4:50 | 7:55 |
| 24 | 15.1 | 4:49 | 7:56 |
| 25 | 15.2 | 4:48 | 7:57 |
| 26 | 15.2 | 4:47 | 7:58 |
| 27 | 15.2 | 4:46 | 7:59 |
| 28 | 15.3 | 4:45 | 8:00 |
| 29 | 15.3 | 4:44 | 8:01 |
| 30 | 15.3 | 4:44 | 8:02 |
| 31 | 15.3 | 4:43 | 8:03 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.45 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 — May's 5.45 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.3 | Bright |
| 2 | 5.4 | Bright |
| 3 | 5.4 | Bright |
| 4 | 5.4 | Bright |
| 5 | 5.4 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.4 | Bright |
| 12 | 5.4 | Bright |
| 13 | 5.4 | Bright |
| 14 | 5.4 | Bright |
| 15 | 5.4 | Bright |
| 16 | 5.4 | Bright |
| 17 | 5.4 | Bright |
| 18 | 5.4 | Bright |
| 19 | 5.4 | Bright |
| 20 | 5.4 | Bright |
| 21 | 5.4 | Bright |
| 22 | 5.5 | Bright |
| 23 | 5.5 | Bright |
| 24 | 5.5 | Bright |
| 25 | 5.5 | Bright |
| 26 | 5.5 | Bright |
| 27 | 5.5 | Bright |
| 28 | 5.5 | Bright |
| 29 | 5.6 | Bright |
| 30 | 5.6 | Bright |
| 31 | 5.6 | Bright |
Is May a good time to visit Cluj-Napoca?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Cluj-Napoca for sightseeing.
What to pack for Cluj-Napoca in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Cluj-Napoca sees daytime highs around 19°C and nights near 8°C. Pack rain gear. Worth having: sun protection. About 16 days see rain.
UV index in Cluj-Napoca in May
Clear-sky midday UV in May 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 7 | 6 | 8 | 8 | 8 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | Very high | Very high | Very high | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 7 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Cluj-Napoca in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 15 | 17 | 22 | 24 | 22 | 22 | 21 | 19 | 15 | 12 | 13 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 17 | Moderate |
| Mar | 22 | Moderate |
| Apr | 24 | Moderate |
| May | 22 | Moderate |
| Jun | 22 | Moderate |
| Jul | 21 | Moderate |
| Aug | 19 | Moderate |
| Sep | 15 | Moderate |
| Oct | 12 | Moderate |
| Nov | 13 | Moderate |
| Dec | 11 | Good |
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.
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.
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
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).