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Southerndown

Water Temperature in the Celtic Sea in Southerndown, Wales: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Southerndown 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 Southerndown

67°F

TODAY

67°F

YESTERDAY

65°F

A WEEK AGO

All water temperature data is now available in our official mobile apps — for iOS and Android.

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Celtic Sea in Southerndown is 19.3°F. This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming.

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 Southerndown Over the Last 30 Days

The water temperature in Southerndown 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 Southerndown will drop slightly in the coming days and reach 64°F.

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 Southerndown 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

DateCurrentAverageForecast
Aug 2265°F64°F
Aug 2366°F64°F
Aug 2465°F63°F
Aug 2565°F64°F
Aug 2664°F65°F
Aug 2765°F64°F
Aug 2867°F64°F
Aug 2966°F63°F
Aug 3064°F66°F
Aug 3164°F66°F
Sep 164°F65°F
Sep 263°F65°F
Sep 362°F64°F
Sep 464°F64°F
Sep 564°F64°F
Sep 663°F64°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Southerndown Throughout the Year

Throughout the year, the sea temperature in Southerndown never exceeds 64°F (18°C).

Below is the annual chart of sea temperature changes in the Celtic Sea in Southerndown.

January

MinimumAverageMaximum
45°F48°F52°F

February

MinimumAverageMaximum
43°F46°F50°F

March

MinimumAverageMaximum
43°F46°F50°F

April

MinimumAverageMaximum
46°F50°F54°F

May

MinimumAverageMaximum
48°F54°F59°F

June

MinimumAverageMaximum
54°F58°F63°F

July

MinimumAverageMaximum
57°F63°F68°F

August

MinimumAverageMaximum
61°F64°F68°F

September

MinimumAverageMaximum
59°F64°F68°F

October

MinimumAverageMaximum
55°F60°F64°F

November

MinimumAverageMaximum
52°F55°F59°F

December

MinimumAverageMaximum
46°F51°F55°F

Monthly Water Temperature Histogram for Celtic Sea in Southerndown

You can explore detailed data on how the water temperature in Southerndown varies each month:

What Beaches Are There In and Around Southerndown?

Southerndown Beach

Southerndown Beach is a 5-stars sandy beach, is located directly in Southerndown. 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.

Dunraven Bay

Dunraven Bay is a 1-stars pebble beach, is located directly in Southerndown.

Temple Bay

Temple Bay is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Southerndown. There is parking. There are cafés. Temple Bay 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.

Witches Point

Witches Point is a 1-stars sandy beach, located in a 2 km (1 miles) radius of Southerndown.

Ogmore By Sea Beach

Ogmore By Sea Beach is a 2-stars sandy beach, located in a 2 km (1 miles) radius of Southerndown. There is parking. There are restrooms.

Merthyr Mawr Beach

Merthyr Mawr Beach is a 1-stars sandy beach, located in a 3 km (2 miles) radius of Southerndown.

Traeth Mawr

Traeth Mawr is a 1-stars sandy beach, located in a 4 km (2 miles) radius of Southerndown.

Newton Bay

Newton Bay is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Southerndown. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Sandy Bay Beach Porthcawl

Sandy Bay Beach Porthcawl is a 1-stars sandy beach, located in a 5 km (3 miles) radius of Southerndown.

Trecco Bay Beach

Trecco Bay Beach is a 5-stars sandy beach, located in a 5 km (3 miles) radius of Southerndown. 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.

Monknash Beach

Monknash Beach is a 1-stars sandy beach, located in a 5 km (3 miles) radius of Southerndown. For those who prefer clothing-optional beaches, Monknash Beach is a designated nudist beach.

Coney Beach

Coney Beach is a 1-stars sandy beach, located in a 6 km (4 miles) radius of Southerndown.

Trecco Bay Windsurfing Beach

Trecco Bay Windsurfing Beach is a 1-stars sandy beach, located in a 6 km (4 miles) radius of Southerndown.

Sandy Bay Beach

Sandy Bay Beach is a 5-stars sandy beach, located in a 6 km (4 miles) radius of Southerndown. 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.

Porthcawl Sea Front

Porthcawl Sea Front is a 2-stars sandy beach, located in a 7 km (4 miles) radius of Southerndown. There are shops. There are cafés. Porthcawl Sea Front is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.

Porthcrawl Beach

Porthcrawl Beach is a 1-stars sandy beach, located in a 7 km (4 miles) radius of Southerndown.

Box Bay

Box Bay is a 1-stars sandy beach, located in a 8 km (5 miles) radius of Southerndown.

Rest Bay Beach

Rest Bay Beach is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Southerndown. 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. Rest Bay 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.

St. Donat's Bay

St. Donat's Bay is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Southerndown. There is parking.

Rest Bay

Rest Bay is a 5-stars sandy beach, located in a 9 km (6 miles) radius of Southerndown. 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 shops. There are cafés. Snorkeling is possible. It is suitable for surfing.

Southerndown Weather

AUGUST 30

59°F / 63°F
light rain

humidity: 77% | wind: 6 mph

AUGUST 31

59°F / 63°F
light rain

humidity: 84% | wind: 6 mph

SEPTEMBER 1

57°F / 64°F
light rain

humidity: 79% | wind: 4 mph

SEPTEMBER 2

59°F / 63°F
light rain

humidity: 81% | wind: 5 mph

Wales, United KingdomWales, United KingdomWales, United Kingdom

Sea Temperature in the Celtic Sea in Southerndown: General Trends and Swimming Opportunities

Original name
Southerndown
The Local Time
01:19 AM
Time Zone
UTC+1
Sunrise
06:23 AM
Sunset
08:09 PM
Length of the day
13 h 46 m

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.

Southerndown is located in Europe in the Northern Hemisphere at a latitude of 51 degrees, along the shores of the Celtic Sea. Southerndown lies within the Wales in United Kingdom.

The average annual daytime air temperature in Southerndown 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, Southerndown 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 Southerndown is 13°C (55°F). In February, the water reaches its lowest point of the year at 6°C (43°F), while in July, it peaks at 20°C (68°F). In Southerndown, the water temperature in the Celtic Sea never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Southerndown

Frequently Asked Questions About Southerndown and its Water Temperatures

What is the current sea temperature in Southerndown?

The water temperature today in the Celtic Sea in Southerndown is 67°F (19.3°C).

In which months is the water temperature in Southerndown comfortable for swimming?

It cannot be guaranteed that the water temperature in Southerndown will be comfortable for swimming in any month of the year.

What is the water temperature in Southerndown during the winter?

The water temperature in the Celtic Sea in Southerndown during the winter ranges from 6°C to 13°C (43°F to 55°F).

What is the water temperature in Southerndown during the spring?

The water temperature in the Celtic Sea in Southerndown during the spring ranges from 6°C to 15°C (43°F to 59°F).

What is the water temperature in Southerndown during the summer?

The water temperature in the Celtic Sea in Southerndown during the summer ranges from 12°C to 20°C (54°F to 68°F).

What is the water temperature in Southerndown during the fall?

The water temperature in the Celtic Sea in Southerndown during the fall ranges from 11°C to 20°C (52°F to 68°F).

Is it possible to swim in the sea in Southerndown at any time of the year?

In Southerndown, the Celtic Sea is quite cold, and swimming is almost impossible as the water temperature never reaches 21°C (70°F).

What sea temperatures can I expect in Southerndown in the next month?

In September, the water temperature in the Celtic Sea in Southerndown will range between 59°F (15°C) and 68°F (20°C)