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Swansea
Water Temperature in the Celtic Sea in Swansea, Wales: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Swansea in Wales, 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 Swansea
6.9°C
TODAY
6.6°C
YESTERDAY
6.9°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Celtic Sea in Swansea is 6.9°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 Celtic Sea in Swansea Over the Last 30 Days
The water temperature in Swansea 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 Swansea will remain nearly unchanged in the coming days, its value will be 7.4°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 United Kingdom to enhance accuracy.
Water temperature data for Swansea 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 15 | 6.9°C | 7.5°C | |
| Feb 16 | 7.1°C | 7.3°C | |
| Feb 17 | 7.0°C | 7.3°C | |
| Feb 18 | 7.2°C | 6.8°C | |
| Feb 19 | 7.2°C | 8.0°C | |
| Feb 20 | 6.7°C | 8.0°C | |
| Feb 21 | 6.6°C | 8.3°C | |
| Feb 22 | 6.9°C | 8.8°C | |
| Feb 23 | 8.0°C | 7.0°C | |
| Feb 24 | 8.3°C | 7.1°C | |
| Feb 25 | 7.5°C | 7.1°C | |
| Feb 26 | 7.5°C | 7.1°C | |
| Feb 27 | 7.5°C | 7.1°C | |
| Feb 28 | 8.0°C | 7.2°C | |
| Mar 1 | 7.8°C | 7.3°C | |
| Mar 2 | 7.8°C | 7.4°C |
Sea Temperature in Swansea Throughout the Year
Throughout the year, the sea temperature in Swansea exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 0 days, and exceeds 64°F (18°C) for 2 days.
Below is the annual chart of sea temperature changes in the Celtic Sea in Swansea.
January
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 9°C | 11°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 6°C | 8°C | 10°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 6°C | 8°C | 10°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 10°C | 12°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 9°C | 11.5°C | 14°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 11°C | 14°C | 17°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 14°C | 16.5°C | 19°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 16°C | 18°C | 20°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 17.5°C | 20°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 13°C | 15.5°C | 18°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 11°C | 13.5°C | 16°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 10.5°C | 13°C |
Monthly Water Temperature Histogram for Celtic Sea in Swansea
You can explore detailed data on how the water temperature in Swansea varies each month:
What Beaches Are There In and Around Swansea?
Maritime Quarter Beach
Maritime Quarter Beach is a 3-stars sandy beach, is located directly in Swansea. There is parking. There are shops. There are cafés. It is suitable for surfing.
Swansea Bay – County Hall
Swansea Bay – County Hall is a 4-stars sandy beach, is located directly in Swansea. 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.
Swansea Beach
Swansea Beach is a 2-stars sandy beach, located in a 2 km (1 miles) radius of Swansea. There is parking. There are cafés. It is suitable for surfing.
Sketty Lane Beach
Sketty Lane Beach is a 5-stars sandy beach, located in a 2 km (1 miles) radius of Swansea. There is parking. There are restrooms. There are cafés. Sketty Lane Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Swansea Bay – Black Pill Rock
Swansea Bay – Black Pill Rock is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Swansea. 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.
Bay Campus Beach
Bay Campus Beach is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Swansea. It is suitable for surfing.
Jersey Marine West Beach
Jersey Marine West Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Swansea. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Swansea Bay – Mumbles Head
Swansea Bay – Mumbles Head is a 4-stars sandy beach, located in a 6 km (4 miles) radius of Swansea. 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.
Swansea Bay – Knab Rock
Swansea Bay – Knab Rock is a 4-stars sandy beach, located in a 6 km (4 miles) radius of Swansea. There is parking. There are restrooms. There are cafés. Swansea Bay – Knab Rock 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.
Mumbles Beach
Mumbles Beach is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Swansea. There is parking. There are cafés. Mumbles Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Swansea Bay – Norton Road
Swansea Bay – Norton Road is a 4-stars sandy beach, located in a 6 km (4 miles) radius of Swansea. There is parking. There are restrooms. There are cafés. Swansea Bay – Norton Road 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.
Jersey Marine East Beach
Jersey Marine East Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Swansea. There is parking. There are cafés. Jersey Marine East 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.
Limeslade Bay Beach
Limeslade Bay Beach is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Swansea. 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.
Rotherslade Bay
Rotherslade Bay is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Swansea. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Bracelet Bay Beach
Bracelet Bay Beach is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Swansea. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. 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.
Aberavon Beach
Aberavon Beach is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Swansea. 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.
Baglan Neath Beach
Baglan Neath Beach is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Swansea. There is parking. There are restrooms. There are cafés. Baglan Neath 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.
Caswell Bay Beach
Caswell Bay Beach is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Swansea. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Caswell Bay Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Langland Bay Beach
Langland Bay Beach is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Swansea. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. 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.
Brandy Cove Beach
Brandy Cove Beach is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Swansea. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Swansea Weather
FEBRUARY 23
8°C / 10°C
moderate rainhumidity: 95% | wind: 6 km/h
FEBRUARY 24
6°C / 8°C
light rainhumidity: 87% | wind: 4 km/h
FEBRUARY 25
4°C / 8°C
clear skyhumidity: 83% | wind: 2 km/h
FEBRUARY 26
7°C / 7°C
overcast clouds: 85-100%humidity: 85% | wind: 6 km/h
Sea Temperature in the Celtic Sea in Swansea: General Trends and Swimming Opportunities
The climate in the coastal regions of Wales, United Kingdom, is generally mild and rainy with moderate temperatures. Due to being surrounded by the sea, these areas usually have cooler summers, warmer winters, and a greater level of humidity compared to the inland regions.
Swansea is located in Europe in the Northern Hemisphere at a latitude of 52 degrees, along the shores of the Celtic Sea. Swansea lies within the Wales in United Kingdom.
The average annual daytime air temperature in Swansea is 13°C (55°F), with the average nighttime temperature being 7°C (45°F). The highest average daily temperature occurs in July, reaching 20°C (67°F), while the lowest is in February at 8°C (47°F). As for nighttime temperatures, the minimum average temperature of 2°C (36°F) is recorded in February, and the maximum is in July, reaching 13°C (55°F).
According to historical data, Swansea experiences 165 rainy days per year, which accounts for 45 percent of all days in the year. On average, there are 14 rainy days each month. The wettest month is November, with 17 rainy days and 118 mm (4.6 inches) of precipitation, while the driest month is July, which typically has 11 rainy days and only 73 mm (2.9 inches) of precipitation.
The average annual water temperature in Celtic Sea in Swansea is 13°C (55°F). In February, the water reaches its lowest point of the year at 6°C (43°F), while in August, it peaks at 20°C (68°F). In Swansea, the water temperature in the Celtic Sea never consistently reaches a comfortable level for swimming in any month.
Geographical Location of Swansea
Nearby Cities
Frequently Asked Questions About Swansea and its Water Temperatures
What is the current sea temperature in Swansea?
The water temperature today in the Celtic Sea in Swansea is 44°F (6.9°C).
In which months is the water temperature in Swansea comfortable for swimming?
It cannot be guaranteed that the water temperature in Swansea will be comfortable for swimming in any month of the year.
What is the water temperature in Swansea during the winter?
The water temperature in the Celtic Sea in Swansea during the winter ranges from 6°C to 13°C (43°F to 55°F).
What is the water temperature in Swansea during the spring?
The water temperature in the Celtic Sea in Swansea during the spring ranges from 6°C to 14°C (43°F to 57°F).
What is the water temperature in Swansea during the summer?
The water temperature in the Celtic Sea in Swansea during the summer ranges from 11°C to 20°C (52°F to 68°F).
What is the water temperature in Swansea during the fall?
The water temperature in the Celtic Sea in Swansea during the fall ranges from 11°C to 20°C (52°F to 68°F).
Is it possible to swim in the sea in Swansea at any time of the year?
In Swansea, the Celtic Sea is quite cold, and swimming is almost impossible as the water temperature never reaches 21°C (70°F).
Is Swansea a popular tourist destination for beach vacations?
Swansea has a moderate level of popularity for beach vacations; while it does receive some visitors, it is not among the top seaside destinations, as other locations may offer more favorable conditions.
What sea temperatures can I expect in Swansea in the next month?
In March, the water temperature in the Celtic Sea in Swansea will range between 43°F (6°C) and 50°F (10°C)