RO flag
Bucharest

Romania

vs
RO flag
Iaşi

Romania

Climate

Bucharest logs 60 hot days a year to Iaşi's 37 — Iaşi wins by 23. Bucharest also leads on frost days by 15.

BucharestIaşi
Sunny days
200167
Hot days
6037
Frost days
5873
Rain days
8484
Snow days
67
Outdoor dinner months
5/125/12
Avg wind
2.4 m/s2.6 m/s
Sunshine hours
2,2852,068
Darkest month sun
66 hrs/mo45 hrs/mo
UV peak month
7.46.4

Bucharest

Feels-like °C

-3
1
7
13
20
27
30
29
22
15
5
-1

Dinner outside

J
F
M
A
M
J
J
A
S
O
N
D

Iaşi

Feels-like °C

-5
-1
4
10
19
26
28
27
20
11
2
-3

Dinner outside

J
F
M
A
M
J
J
A
S
O
N
D

Air Quality

Bucharest averages 16.0 µg/m³ (sensitive-groups) PM2.5 annually versus Iaşi's 13.8 µg/m³ (moderate) — Iaşi breathes ~13% cleaner air (2.2 µg/m³ lower).

Bucharest

Iaşi

16.0µg/m³
13.8µg/m³

PM2.5 annual average

Sensitive Groups
Moderate

WHO classification

City Scale

Both maps at the same real-world scale — 1 cm on either map is the same distance.

Bucharest (2.0M) and Iaşi (305K) are 6.5x in population — Bucharest is the larger metro, Iaşi the smaller; on land area Bucharest spans roughly 4.3x more ground.

5.3x

Bucharest is roughly 5.3x the scale of Iaşi

Combined population & area comparison

RO flagBucharest
5.3x
RO flagIaşi
1x

City Scale Rankings

Population
1.RO flagBucharest2.0M6.5x
2.RO flagIaşi305K1x
Area
1.RO flagBucharest260 km²4.3x
2.RO flagIaşi60 km²1x
© Stadia Maps, © OpenMapTiles, © OpenStreetMap contributors
25 km17 km

RO flagBucharest

© Stadia Maps, © OpenMapTiles, © OpenStreetMap contributors
13 km10 km

RO flagIaşi

Who Thrives Here

Both cities work well for the clean air seeker.

Thrives in both
BucharestIaşi
Struggles in both
BucharestIaşi

Frequently asked about Bucharest vs Iaşi

How does the climate compare between Bucharest and Iaşi?
Sunny days: 200 vs 167 d — Bucharest higher Annual sunshine: 2,285 vs 2,068 hrs — Bucharest higher Winter sunshine: 66 vs 45 hrs/day — Bucharest higher Hot days (>30°C): 60 vs 37 d — Iaşi lower Frost days: 58 vs 73 d — Bucharest lower Rainy days: 84 vs 84 d — Similar Snowy days: 6 vs 7 d — Similar
Should I move to Bucharest or Iaşi?
Bucharest and Iaşi are both popular relocation destinations with distinct characteristics. The best choice depends on your priorities — climate preferences, career opportunities, cost constraints, and lifestyle needs. Take the personalized quiz to find your ideal match, or explore the map to compare cities by region and lifestyle factors.

The best city depends on what matters to you

This comparison shows how Bucharest and Iaşi stack up on the data. But your climate preferences, budget, career needs, and lifestyle priorities can shift the picture entirely. A personalized diagnostic finds what fits your life.

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