RO flag
Constanţa

Romania

vs
RO flag
Iaşi

Romania

Climate

Constanţa logs 0 hot days a year to Iaşi's 37 — Constanţa wins by 37. Constanţa also leads on frost days by 64.

ConstanţaIaşi
Sunny days
219167
Hot days
037
Frost days
973
Rain days
7884
Snow days
17
Outdoor dinner months
5/125/12
Avg wind
5.0 m/s2.6 m/s
Sunshine hours
2,4272,068
Darkest month sun
70 hrs/mo45 hrs/mo
UV peak month
7.86.4

Constanţa

Feels-like °C

-5
0
4
11
17
25
28
28
22
13
5
-2

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

Constanţa averages 12.9 µg/m³ (moderate) PM2.5 annually versus Iaşi's 13.8 µg/m³ (moderate) — Constanţa breathes ~7% cleaner air (1.0 µg/m³ lower).

Constanţa

Iaşi

12.9µg/m³
13.8µg/m³

PM2.5 annual average

Moderate
Moderate

WHO classification

City Scale

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

Constanţa (273K) and Iaşi (305K) sit at a similar population scale.

~1x

These cities are similar in overall scale

Combined population & area comparison

RO flagConstanţa
1.1x
RO flagIaşi
1x

City Scale Rankings

Population
1.RO flagIaşi305K1.1x
2.RO flagConstanţa273K1x
Area
1.RO flagConstanţa76 km²1.3x
2.RO flagIaşi60 km²1x
© Stadia Maps, © OpenMapTiles, © OpenStreetMap contributors
8.8 km20 km

RO flagConstanţa

© 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
ConstanţaIaşi
Struggles in both
ConstanţaIaşi

Frequently asked about Constanţa vs Iaşi

How does the climate compare between Constanţa and Iaşi?
Sunny days: 219 vs 167 d — Constanţa higher Annual sunshine: 2,427 vs 2,068 hrs — Constanţa higher Winter sunshine: 70 vs 45 hrs/day — Constanţa higher Hot days (>30°C): 0 vs 37 d — Constanţa lower Frost days: 9 vs 73 d — Constanţa lower Rainy days: 78 vs 84 d — Similar Snowy days: 1 vs 7 d — Constanţa lower
Should I move to Constanţa or Iaşi?
Constanţa 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 Constanţa 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.

Take the free diagnostic

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