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Constanta
Water Temperature in the Black Sea in Constanta, Romania: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Constanta in Romania, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Constanta
5.0°C
TODAY
4.8°C
YESTERDAY
5.1°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Black Sea in Constanta is 5°C. This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart for Black Sea in Constanta Over the Last 30 Days
The water temperature in Constanta today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Constanta will remain nearly unchanged in the coming days, its value will be 5.8°C.
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across Romania to enhance accuracy.
Water temperature data for Constanta and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Table of Daily Sea Temperature Data
Date | Current | Average | Forecast |
---|---|---|---|
Feb 16 | 5.1°C | 5.8°C | |
Feb 17 | 5.3°C | 6.5°C | |
Feb 18 | 4.9°C | 5.5°C | |
Feb 19 | 5.0°C | 5.5°C | |
Feb 20 | 5.1°C | 5.8°C | |
Feb 21 | 4.9°C | 5.5°C | |
Feb 22 | 4.8°C | 5.0°C | |
Feb 23 | 4.8°C | 6.5°C | |
Feb 24 | 5.8°C | 5.1°C | |
Feb 25 | 6.5°C | 5.2°C | |
Feb 26 | 6.3°C | 5.3°C | |
Feb 27 | 6.5°C | 5.4°C | |
Feb 28 | 6.8°C | 5.5°C | |
Mar 1 | 6.5°C | 5.6°C | |
Mar 2 | 6.3°C | 5.7°C | |
Mar 3 | 6.5°C | 5.8°C |
Sea Temperature in Constanta Throughout the Year
Throughout the year, the sea temperature in Constanta exceeds 77°F (25°C) for 52 days, exceeds 72°F (22°C) for 93 days, and exceeds 64°F (18°C) for 144 days.
Below is the annual chart of sea temperature changes in the Black Sea in Constanta.
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January
Minimum | Average | Maximum |
---|---|---|
3°C | 6.5°C | 10°C |
February
Minimum | Average | Maximum |
---|---|---|
4°C | 6°C | 8°C |
March
Minimum | Average | Maximum |
---|---|---|
4°C | 7°C | 10°C |
April
Minimum | Average | Maximum |
---|---|---|
5°C | 11°C | 17°C |
May
Minimum | Average | Maximum |
---|---|---|
11°C | 16°C | 21°C |
June
Minimum | Average | Maximum |
---|---|---|
16°C | 21.5°C | 27°C |
July
Minimum | Average | Maximum |
---|---|---|
22°C | 25°C | 28°C |
August
Minimum | Average | Maximum |
---|---|---|
22°C | 25°C | 28°C |
September
Minimum | Average | Maximum |
---|---|---|
19°C | 23°C | 27°C |
October
Minimum | Average | Maximum |
---|---|---|
15°C | 19°C | 23°C |
November
Minimum | Average | Maximum |
---|---|---|
9°C | 14°C | 19°C |
December
Minimum | Average | Maximum |
---|---|---|
6°C | 10°C | 14°C |
Monthly Water Temperature Histogram for Black Sea in Constanta
You can explore detailed data on how the water temperature in Constanta varies each month:
What Beaches Are There In and Around Constanta?
Modern Beach
Modern Beach is a 5-stars sandy beach, located in a 2 km (1 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Modern Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Aloha Beach
Aloha Beach is a 4-stars sandy beach, located in a 2 km (1 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés.
Anchor Beach
Anchor Beach is a 5-stars sandy beach, located in a 2 km (1 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Plaja Ariadna
Plaja Ariadna is a 1-stars sandy beach, located in a 3 km (2 miles) radius of Constanta.
Zoom Beach
Zoom Beach is a 5-stars sandy beach, located in a 3 km (2 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Three Papuci Beach
Three Papuci Beach is a 5-stars sandy beach, located in a 3 km (2 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Plaja Trei Papuci
Plaja Trei Papuci is a 1-stars sandy beach, located in a 4 km (2 miles) radius of Constanta. Plaja Trei Papuci is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Waves Beach
Waves Beach is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Constanta. There is parking. Waves Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Plaja Flora
Plaja Flora is a 1-stars sandy beach, located in a 6 km (4 miles) radius of Constanta.
Myrtos Beach
Myrtos Beach is a 5-stars sandy beach, located in a 6 km (4 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Myrtos Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Princess Club Beach
Princess Club Beach is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Mokai Beach & Lounge
Mokai Beach & Lounge is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Mokai Beach & Lounge is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Hammock Beach
Hammock Beach is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Cotton Beach
Cotton Beach is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Musset Lounge & Beach
Musset Lounge & Beach is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Musset Lounge & Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Tomis Beach
Tomis Beach is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Three Lands Beach
Three Lands Beach is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Riviera Beach
Riviera Beach is a 1-stars sandy beach, located in a 8 km (5 miles) radius of Constanta.
Caelia Beach
Caelia Beach is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Habibi Beach
Habibi Beach is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Constanta. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Constanta Weather
FEBRUARY 24
-1°C / 4°C
clear skyhumidity: 67% | wind: 3 km/h
FEBRUARY 25
2°C / 6°C
clear skyhumidity: 61% | wind: 4 km/h
FEBRUARY 26
4°C / 9°C
clear skyhumidity: 82% | wind: 5 km/h
FEBRUARY 27
6°C / 7°C
few clouds: 11-25%humidity: 93% | wind: 3 km/h
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
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Sea Temperature in the Black Sea in Constanta: General Trends and Swimming Opportunities
The Sud-Est Development Region, Romania, which includes the coastal area along the Black Sea, experiences a temperate-continental climate with subtropical influences. It has hot summers and mild winters, with significant rainfall throughout the year.
Constanta is located in Europe in the Northern Hemisphere at a latitude of 44 degrees, along the shores of the Black Sea. Constanta lies within the Sud-Est development region in Romania.
The average annual daytime air temperature in Constanta is 16°C (61°F), with the average nighttime temperature being 9°C (48°F). The highest average daily temperature occurs in July, reaching 27°C (81°F), while the lowest is in January at 4°C (40°F). As for nighttime temperatures, the minimum average temperature of -2°C (29°F) is recorded in January, and the maximum is in July, reaching 19°C (67°F).
According to historical data, Constanta experiences 69 rainy days per year, which accounts for 19 percent of all days in the year. On average, there are 6 rainy days each month. The wettest month is June, with 7 rainy days and 44 mm (1.7 inches) of precipitation, while the driest month is August, which typically has 4 rainy days and only 30 mm (1.2 inches) of precipitation.
The average annual water temperature in Black Sea in Constanta is 15°C (59°F). In January, the water reaches its lowest point of the year at 3°C (37°F), while in July, it peaks at 28°C (82°F). The months suitable for comfortable beach vacations and swimming in the Black Sea are July, and August. During this period, the water temperature stays above 20°C (68°F) and can reach up to 28°C (82°F) on some days.
Geographical Location of Constanta
Nearby Cities
Frequently Asked Questions About Constanta and its Water Temperatures
What is the current sea temperature in Constanta?
The water temperature today in the Black Sea in Constanta is 41°F (5°C).
In which months is the water temperature in Constanta comfortable for swimming?
The water temperature in the Black Sea in Constanta is comfortable for swimming and beach vacations in July, and August.
What is the water temperature in Constanta during the winter?
The water temperature in the Black Sea in Constanta during the winter ranges from 3°C to 14°C (37°F to 57°F).
What is the water temperature in Constanta during the spring?
The water temperature in the Black Sea in Constanta during the spring ranges from 4°C to 21°C (39°F to 70°F).
What is the water temperature in Constanta during the summer?
The water temperature in the Black Sea in Constanta during the summer ranges from 16°C to 28°C (61°F to 82°F).
What is the water temperature in Constanta during the fall?
The water temperature in the Black Sea in Constanta during the fall ranges from 9°C to 27°C (48°F to 81°F).
Is it possible to swim in the sea in Constanta at any time of the year?
The Black Sea in Constanta is quite cool, and swimming is only possible in May, June, July, August, September, and October when the water temperature reaches 21°C (70°F).
Is Constanta a popular tourist destination for beach vacations?
Constanta a fairly popular beach destination, offering good conditions for swimming and relaxation, with a steady flow of tourists, especially during peak seasons.
What sea temperatures can I expect in Constanta in the next month?
In March, the water temperature in the Black Sea in Constanta will range between 39°F (4°C) and 50°F (10°C)