Constanţa, Romania — Weather in May 2027

Climate Overview

Constanţa, Romania in May has mild conditions, with highs averaging 19.6°C (67°F) and noticeably cooler mornings. Sea temperature stays cool at 15.4°C (60°F).

This month falls at the end of Spring.

Daily highs in May gradually rise from around 18°C (65°F) at the start to 22°C (71°F) by month's end.

Rainfall is heaviest during the last third of the month, while the middle tends to be drier.

Expect around 11.6h of sunshine at the start of May, increasing to 12.6h by the end.

The warmest days tend to fall around the 31th, averaging 22.7°C (73°F).

Compared to April, this month is about 5°C warmer with 1 more rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

20°C / 12°C

Feels Like

19°C / 11°C

Rain

9 days · 47 mm

Sunshine

12.1h / day

Humidity

75% — Humid

Wind

18 km/h

Wind Direction

NE (50°)

Gusts

36 km/h

Daylight

14.8 h

Cloud Cover

54%

Clear Sky Days

3.4

UV Index

6.1 — High

Sea Temperature

15°C

Dew Point

12°C — Comfortable

Moon Phase

Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 05:41

Daylight 14.8h

Sunset 20:26

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	6°C / 0°C	2°C / -4°C	7days (42 mm) Good	5.5h Fair	80% Humid	1.9 Low	Poor	View Details
February	8°C / 2°C	4°C / -3°C	5days (31 mm) Good	6.6h Fair	78% Humid	2.8 Moderate	Poor	View Details
March	11°C / 3°C	7°C / 0°C	7days (32 mm) Good	8.2h Good	76% Humid	3.9 Moderate	Poor	View Details
April	15°C / 7°C	13°C / 4°C	8days (37 mm) Wet	10.2h Excellent	74% Muggy	5.5 High	Good	View Details
May	20°C / 12°C	19°C / 11°C	9days (47 mm) Wet	12.1h Excellent	75% Muggy	6.1 High	Good	View Details
June best	25°C / 18°C	27°C / 18°C	8days (60 mm) Wet	13h Excellent	73% Muggy	7.1 Very High	Excellent	View Details
July best	28°C / 20°C	30°C / 21°C	6days (43 mm) Good	13.4h Excellent	68% Muggy	7.1 Very High	Excellent	View Details
August best	28°C / 21°C	29°C / 21°C	4days (21 mm) Good	12.4h Excellent	66% Muggy	6.4 High	Excellent	View Details
September best	24°C / 17°C	23°C / 16°C	4days (31 mm) Good	10.5h Excellent	68% Muggy	5 Moderate	Excellent	View Details
October	18°C / 11°C	16°C / 9°C	5days (43 mm) Good	7.8h Good	75% Muggy	3.4 Moderate	Good	View Details
November	12°C / 7°C	10°C / 4°C	8days (52 mm) Wet	5.2h Fair	81% Humid	2.1 Moderate	Fair	View Details
December	8°C / 3°C	4°C / -1°C	7days (38 mm) Good	4.8h Fair	82% Humid	1.5 Low	Poor	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Constanţa?

May is typically good for visiting Constanţa, with average highs of 20°C (67°F) and around 9 rainy days. Constanţa, Romania in May has mild conditions, with highs averaging 19.6°C (67°F) and noticeably cooler mornings. Sea te

Does it rain a lot in Constanţa in May?

Constanţa typically sees around 9 rainy days in May with 47 mm (1.9 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Constanţa in May?

Nights in Constanţa during May are cool at around 12°C (54°F). Bring a jacket or sweater for evenings.

What should I pack for Constanţa in May?

With highs of 20°C (67°F) and lows of 12°C (54°F) in May, we recommend: Umbrella, Comfortable walking shoes. Comfortable walking shoes are essential.

Is May among the best months weather-wise in Constanţa?

May is not the most favourable month weather-wise in Constanţa. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Constanţa in May?

The average UV index in Constanţa during May is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Constanţa in May?

Constanţa gets approximately 15 hours of daylight per day in May, with around 12 hours of sunshine.

Does it snow in Constanţa in May?

Snow is uncommon in Constanţa during May based on 10-year climate averages.

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