Climate guide for Constanța, Romania

Constanța in May

Weather, crowds & best time to visit

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May · Romania

Best time to visit Constanța in May Weather, crowds & prices

Weather in Constanța in May

Average temperature 16°C, 31 mm of rain, about 28 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

6.7/10

Ranked #5 of 12 months

Full year for Constanța
Avg temp
16°C
Rainfall
31 mm
Humidity
74%
Days with 6h+ sun
28
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in Constanța scores 6.7/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 16°C, 31 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.

Constanța joins a Roman mosaic and a casino landmark to Black Sea beaches and the Danube delta gateway.

May in Constanța — workable with trade-offs

Temperatures hover around 16°C (60°F) — the kind of month where neither heat nor cold forces the schedule.

With around 31 mm of rain, any showers tend to pass through rather than settle in; about 28 days with 6+ hours of sunshine and 14.6 hours of daylight fill the rest.

That is 6.7/10 on the same scale — 5th of 12 months, versus 9.9/10 for the best month here.

Pack layers you can shed by midday plus one warm layer for the evening.

Expect mid-season pricing, and crowds are moderate.

If your dates are flexible, July is materially better in Constanța — 3.2 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Constanța in May?
In May, Constanța averages 16°C, 31 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 6.7/10.
Is May a good time to visit Constanța?
May earns a 6.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Constanța in May?
Expect about 31 mm of rain in May. Average humidity is 74% and there are about 28 days with 6+ hours of sunshine.

Curated in Constanța

Tickets & experiences

Things to do in Constanța

Constanța, Romania. Live activities and tours from GetYourGuide, matched to this destination.