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Chepstow

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

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

57°F

TODAY

56°F

YESTERDAY

56°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 Chepstow is 13.6°F. The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.

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 Chepstow Over the Last 30 Days

The water temperature in Chepstow 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 Chepstow will remain nearly unchanged in the coming days, its value will be 57°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 Chepstow 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
May 3056°F55°F
May 3155°F55°F
Jun 156°F55°F
Jun 256°F55°F
Jun 358°F56°F
Jun 457°F57°F
Jun 556°F56°F
Jun 657°F57°F
Jun 757°F57°F
Jun 856°F57°F
Jun 957°F57°F
Jun 1058°F57°F
Jun 1157°F57°F
Jun 1257°F57°F
Jun 1357°F57°F
Jun 1458°F57°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Chepstow Throughout the Year

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

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

January

MinimumAverageMaximum
41°F46°F52°F

February

MinimumAverageMaximum
43°F46°F50°F

March

MinimumAverageMaximum
43°F46°F50°F

April

MinimumAverageMaximum
45°F49°F54°F

May

MinimumAverageMaximum
46°F53°F59°F

June

MinimumAverageMaximum
54°F58°F63°F

July

MinimumAverageMaximum
57°F63°F68°F

August

MinimumAverageMaximum
59°F64°F70°F

September

MinimumAverageMaximum
59°F64°F68°F

October

MinimumAverageMaximum
54°F59°F64°F

November

MinimumAverageMaximum
50°F55°F59°F

December

MinimumAverageMaximum
45°F50°F55°F

Monthly Water Temperature Histogram for Celtic Sea in Chepstow

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

What Beaches Are There In and Around Chepstow?

Aust Cliff & Beach

Aust Cliff & Beach is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Chepstow. There is parking.

Severn Beach

Severn Beach is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Chepstow. Severn Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Chepstow Weather

JUNE 7

46°F / 61°F
few clouds: 11-25%

humidity: 70% | wind: 3 mph

JUNE 8

46°F / 63°F
broken clouds: 51-84%

humidity: 76% | wind: 2 mph

JUNE 9

54°F / 66°F
broken clouds: 51-84%

humidity: 80% | wind: 3 mph

JUNE 10

52°F / 57°F
scattered clouds: 25-50%

humidity: 95% | wind: 1 mph

Wales, United KingdomWales, United KingdomWales, United Kingdom

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

Original name
Chepstow
The Local Time
10:05 PM
Time Zone
UTC+1
Sunrise
04:55 AM
Sunset
09:23 PM
Length of the day
16 h 28 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.

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

The average annual daytime air temperature in Chepstow 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, Chepstow 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 Chepstow is 12°C (54°F). In January, the water reaches its lowest point of the year at 5°C (41°F), while in August, it peaks at 21°C (70°F). In Chepstow, the water temperature in the Celtic Sea never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Chepstow

Frequently Asked Questions About Chepstow and its Water Temperatures

What is the current sea temperature in Chepstow?

The water temperature today in the Celtic Sea in Chepstow is 57°F (14°C).

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

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

What is the water temperature in Chepstow during the winter?

The water temperature in the Celtic Sea in Chepstow during the winter ranges from 5°C to 13°C (41°F to 55°F).

What is the water temperature in Chepstow during the spring?

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

What is the water temperature in Chepstow during the summer?

The water temperature in the Celtic Sea in Chepstow during the summer ranges from 12°C to 21°C (54°F to 70°F).

What is the water temperature in Chepstow during the fall?

The water temperature in the Celtic Sea in Chepstow during the fall ranges from 10°C to 20°C (50°F to 68°F).

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

The Celtic Sea in Chepstow is quite cool, and swimming is only possible in , and August when the water temperature reaches 21°C (70°F).

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

In July, the water temperature in the Celtic Sea in Chepstow will range between 57°F (14°C) and 68°F (20°C)