Search for cities, countries, lakes and rivers

Llansteffan

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

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

8.7°C

TODAY

8.4°C

YESTERDAY

8.0°C

A WEEK AGO

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Celtic Sea in Llansteffan is 8.7°C. This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used.

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 Llansteffan Over the Last 30 Days

The water temperature in Llansteffan 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 Llansteffan will remain nearly unchanged in the coming days, its value will be 8.9°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 Llansteffan 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
Mar 248.0°C8.3°C
Mar 257.8°C8.0°C
Mar 268.1°C8.8°C
Mar 277.9°C7.8°C
Mar 288.3°C8.3°C
Mar 298.4°C8.5°C
Mar 308.4°C8.5°C
Mar 318.3°C8.0°C
Apr 18.8°C8.7°C
Apr 28.8°C8.7°C
Apr 38.8°C8.7°C
Apr 49.3°C8.8°C
Apr 58.8°C8.8°C
Apr 68.5°C8.8°C
Apr 79.3°C8.9°C
Apr 89.3°C8.9°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Llansteffan Throughout the Year

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

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

January

MinimumAverageMaximum
7°C9°C11°C

February

MinimumAverageMaximum
7°C8.5°C10°C

March

MinimumAverageMaximum
7°C8.5°C10°C

April

MinimumAverageMaximum
8°C10°C12°C

May

MinimumAverageMaximum
9°C11.5°C14°C

June

MinimumAverageMaximum
11°C14°C17°C

July

MinimumAverageMaximum
13°C16°C19°C

August

MinimumAverageMaximum
15°C17.5°C20°C

September

MinimumAverageMaximum
15°C17°C19°C

October

MinimumAverageMaximum
13°C15.5°C18°C

November

MinimumAverageMaximum
11°C13.5°C16°C

December

MinimumAverageMaximum
8°C10.5°C13°C

Monthly Water Temperature Histogram for Celtic Sea in Llansteffan

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

What Beaches Are There In and Around Llansteffan?

Scott's Bay

Scott's Bay is a 1-stars pebble beach, is located directly in Llansteffan. There is parking.

Ferryside Beach

Ferryside Beach is a 2-stars sandy beach, is located directly in Llansteffan. There is parking. There are cafés.

Llanstephan & Tywi Estuary Beach

Llanstephan & Tywi Estuary Beach is a 3-stars sandy beach, is located directly in Llansteffan. There is parking. There are restrooms. There are cafés.

Laugharne Beach

Laugharne Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Llansteffan. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Llansteffan Weather

APRIL 1

7°C / 12°C
clear sky

humidity: 72% | wind: 9 km/h

APRIL 2

8°C / 13°C
overcast clouds: 85-100%

humidity: 78% | wind: 8 km/h

APRIL 3

9°C / 14°C
overcast clouds: 85-100%

humidity: 79% | wind: 6 km/h

APRIL 4

6°C / 10°C
few clouds: 11-25%

humidity: 65% | wind: 8 km/h

Wales, United KingdomWales, United KingdomWales, United Kingdom

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

Original name
Llansteffan
The Local Time
22:10
Time Zone
UTC+1
Sunrise
06:56
Sunset
19:50
Length of the day
12 h 53 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.

Llansteffan is located in Europe in the Northern Hemisphere at a latitude of 52 degrees, along the shores of the Celtic Sea. Llansteffan lies within the Wales in United Kingdom.

The average annual daytime air temperature in Llansteffan 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, Llansteffan 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 Llansteffan is 13°C (55°F). In January, the water reaches its lowest point of the year at 7°C (45°F), while in August, it peaks at 20°C (68°F). In Llansteffan, the water temperature in the Celtic Sea never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Llansteffan

Frequently Asked Questions About Llansteffan and its Water Temperatures

What is the current sea temperature in Llansteffan?

The water temperature today in the Celtic Sea in Llansteffan is 48°F (8.7°C).

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

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

What is the water temperature in Llansteffan during the winter?

The water temperature in the Celtic Sea in Llansteffan during the winter ranges from 7°C to 13°C (45°F to 55°F).

What is the water temperature in Llansteffan during the spring?

The water temperature in the Celtic Sea in Llansteffan during the spring ranges from 7°C to 14°C (45°F to 57°F).

What is the water temperature in Llansteffan during the summer?

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

What is the water temperature in Llansteffan during the fall?

The water temperature in the Celtic Sea in Llansteffan during the fall ranges from 11°C to 19°C (52°F to 66°F).

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

In Llansteffan, 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 Llansteffan in the next month?

In May, the water temperature in the Celtic Sea in Llansteffan will range between 48°F (9°C) and 57°F (14°C)