Climate guide for Constanța, Romania

Best Time to Visit
Constanța

How to read the score (0–10)
05810
UnfavorableGoodOptimal

About Constanța

Constanța is a beach destination in Romania. Plan around late spring through early autumn for more reliable conditions, then drill into monthly scores when you need finer timing for beach travel. Use the monthly scores to weigh time by the water against heat, rainfall, humidity, daylight and sunny-day patterns.

Did you know?

Travel Tips

Timing & weather
Check Constanța's monthly climate scores before locking flights - temperate patterns shift comfort for beach trips across the year.
Getting around
In Constanța, pair a walkable core day with one transit or transfer buffer - crowds and traffic vary by season in Romania.
Tickets & access
Reserve popular museums and day trips from Constanța ahead in peak months; shoulder seasons are more flexible.
Pack for the profile
Pack sun protection, water shoes only where local conditions call for them, and a light layer for breezy evenings in Constanța. Check beach access, tides, and weather before planning water activities.

Things to do in Constanța

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

When to visit Constanța: the short answer

The best time to visit Constanța is July, followed by August, June. Those months combine the most usable temperatures with the fewest lost days to rain: July averages 26°C with 38 mm of rain and about 31 sunny days. The months to avoid unless you have a specific reason are November, December. If budget matters more than perfect weather, February is the strongest of the low-rate months at 3.2/10.

Across the year Constanța swings from 5°C in January to 26°C in August, a 21-degree spread, while rainfall ranges from 20 mm in February to 81 mm in November. That is the whole planning problem in one sentence: Constanța is not equally good year-round, and the difference between the best and worst month here is 7.9 points on a 10-point scale.

Warmest month: August (26°C). Coolest: January (5°C). Driest: February (20 mm). Wettest: November (81 mm).

Constanța month by month

January in Constanța — the hardest end of the year

Hardest · 2.9/10

January averages 5°C (41°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 26 mm of rain — occasional showers rather than washed-out days — alongside about 0 sunny days and 9 daylight hours.

It scores 2.9/10 here, 10th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

If your dates are flexible, July is materially better in Constanța — 7 points higher on the same scale.

February in Constanța — the hardest end of the year

Hardest · 3.2/10

February averages 6°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 20 mm of rain — occasional showers rather than washed-out days — alongside about 1 sunny days and 10.2 daylight hours.

It scores 3.2/10 here, 9th of 12 months, against 9.9/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

If your dates are flexible, July is materially better in Constanța — 6.7 points higher on the same scale.

March in Constanța — the hardest end of the year

Hardest · 4.3/10

March averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 22 mm of rain — occasional showers rather than washed-out days — alongside about 8 sunny days and 11.6 daylight hours.

It scores 4.3/10 here, 8th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

If your dates are flexible, July is materially better in Constanța — 5.6 points higher on the same scale.

April in Constanța — the hardest end of the year

Hardest · 4.8/10

April averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 70 mm, so plan one flexible day in three; you still get about 17 sunny days and 13.2 hours of daylight.

It scores 4.8/10 here, 7th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

If your dates are flexible, July is materially better in Constanța — 5.1 points higher on the same scale.

May in Constanța — workable with trade-offs

Trade-offs · 6.7/10

May averages 16°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 31 mm of rain — occasional showers rather than washed-out days — alongside about 28 sunny days and 14.6 daylight hours.

It scores 6.7/10 here, 5th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

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

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

June in Constanța — the year's strongest window

Best window · 9.4/10

June averages 22°C (72°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Expect 42 mm of rain — occasional showers rather than washed-out days — alongside about 30 sunny days and 15.3 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Constanța at 9.4/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection.

July in Constanța — the year's strongest window

Best window · 9.9/10

July averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Expect 38 mm of rain — occasional showers rather than washed-out days — alongside about 31 sunny days and 15 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Constanța at 9.9/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, swimwear and real sun protection.

August in Constanța — the year's strongest window

Best window · 9.6/10

August averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 46 mm, so plan one flexible day in three; you still get about 26 sunny days and 13.8 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Constanța at 9.6/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

September in Constanța — reliably good (4th best month)

Good · 7.9/10

September averages 22°C (71°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 61 mm, so plan one flexible day in three; you still get about 16 sunny days and 12.3 hours of daylight.

It scores 7.9/10 here, 4th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

If your dates are flexible, July is materially better in Constanța — 2 points higher on the same scale.

October in Constanța — workable with trade-offs

Trade-offs · 5.1/10

October averages 17°C (62°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 32 mm of rain — occasional showers rather than washed-out days — alongside about 8 sunny days and 10.7 daylight hours.

It scores 5.1/10 here, 6th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

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

If your dates are flexible, July is materially better in Constanța — 4.8 points higher on the same scale.

November in Constanța — the hardest end of the year

Hardest · 2/10

November averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 81 mm, so plan one flexible day in three; you still get about 0 sunny days and 9.4 hours of daylight.

It scores 2/10 here, 12th of 12 months, against 9.9/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

If your dates are flexible, July is materially better in Constanța — 7.9 points higher on the same scale.

December in Constanța — the hardest end of the year

Hardest · 2.5/10

December averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 50 mm, so plan one flexible day in three; you still get about 0 sunny days and 8.7 hours of daylight.

It scores 2.5/10 here, 11th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

If your dates are flexible, July is materially better in Constanța — 7.4 points higher on the same scale.

Frequently asked

When is the best time to visit Constanța, Romania?
In Ideal Weather mode, the best months to visit Constanța are July, August, June. July is the single peak month with an Ideal Weather score of 9.9/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Constanța year-round?
Constanța has a climate profile suited to beach and coastal travel. Average monthly temperatures range from 5°C in January to 26°C in August, with Ideal Weather scores between 2.0 and 9.9 out of 10.
Which months should I avoid in Constanța?
The lowest Ideal Weather-scoring months in Constanța are November (2.0/10), December (2.5/10), January (2.9/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Constanța?
November is the wettest month in Constanța, averaging about 81 mm of rainfall. February is the driest, at roughly 20 mm.
Which is the sunniest month in Constanța?
July sees the most sun in Constanța, with about 31 sunny days on average - ideal for outdoor plans.
Is Constanța a good destination for beach and coastal travel?
Constanța is well suited to beach and coastal travel. Its highest Ideal Weather window (July, August, June) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Constanța calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Constanța: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for beach and coastal travel.

Explore by month

Curated in Constanța

Tickets & experiences