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Conwy

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

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

14.9°C

TODAY

14.5°C

YESTERDAY

15.5°C

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 Conwy is 14.9°C. 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 Conwy Over the Last 30 Days

The water temperature in Conwy 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 Conwy will remain nearly unchanged in the coming days, its value will be 14.5°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 Conwy 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
Sep 3015.5°C15.3°C
Oct 115.1°C15.3°C
Oct 215.1°C15.0°C
Oct 314.3°C15.3°C
Oct 414.4°C15.0°C
Oct 514.0°C15.3°C
Oct 614.5°C15.3°C
Oct 715.5°C15.0°C
Oct 814.8°C14.9°C
Oct 914.3°C14.8°C
Oct 1014.5°C14.8°C
Oct 1114.3°C14.7°C
Oct 1214.5°C14.7°C
Oct 1314.3°C14.6°C
Oct 1414.3°C14.6°C
Oct 1513.8°C14.5°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Conwy Throughout the Year

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

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

January

MinimumAverageMaximum
6°C8°C10°C

February

MinimumAverageMaximum
4°C6.5°C9°C

March

MinimumAverageMaximum
6°C7.5°C9°C

April

MinimumAverageMaximum
7°C9°C11°C

May

MinimumAverageMaximum
8°C10.5°C13°C

June

MinimumAverageMaximum
11°C13.5°C16°C

July

MinimumAverageMaximum
13°C16°C19°C

August

MinimumAverageMaximum
15°C16.5°C18°C

September

MinimumAverageMaximum
14°C16°C18°C

October

MinimumAverageMaximum
12°C14.5°C17°C

November

MinimumAverageMaximum
10°C12.5°C15°C

December

MinimumAverageMaximum
6°C9°C12°C

Monthly Water Temperature Histogram for Celtic Sea in Conwy

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

What Beaches Are There In and Around Conwy?

Conwy Morfa Beach

Conwy Morfa Beach is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Conwy. There is parking. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Deganwy Beach

Deganwy Beach is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Conwy. There is parking. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Llandudno - West Shore Beach

Llandudno - West Shore Beach is a 5-stars sandy beach, located in a 4 km (2 miles) radius of Conwy. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. 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.

West Shore Beach

West Shore Beach is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Conwy. There is parking. There are cafés. It is suitable for surfing.

North Shore Beach

North Shore Beach is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Conwy. There is parking. There are cafés.

Llandudno - North Shore Beach

Llandudno - North Shore Beach is a 4-stars sandy beach, located in a 5 km (3 miles) radius of Conwy. 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.

Penrhyn Bay Beach

Penrhyn Bay Beach is a 4-stars sandy beach, located in a 6 km (4 miles) radius of Conwy. There is parking. There are restrooms. There are cafés. Penrhyn Bay 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.

Penmaenmawr Beach

Penmaenmawr Beach is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Conwy. There is parking.

Sheinas Pebble Cove

Sheinas Pebble Cove is a 1-stars sandy beach, located in a 6 km (4 miles) radius of Conwy.

Rhos-On-Sea Beach

Rhos-On-Sea Beach is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Conwy. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There is parking. There are restrooms. There are cafés. Rhos-On-Sea 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.

Colwyn Bay Beach

Colwyn Bay Beach is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Conwy. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There is parking. There are restrooms. There are cafés. Colwyn 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.

Old Colwyn Beach

Old Colwyn Beach is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Conwy. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Conwy Weather

OCTOBER 8

10°C / 13°C
broken clouds: 51-84%

humidity: 89% | wind: 3 km/h

OCTOBER 9

12°C / 16°C
overcast clouds: 85-100%

humidity: 90% | wind: 1 km/h

OCTOBER 10

9°C / 16°C
overcast clouds: 85-100%

humidity: 85% | wind: 1 km/h

OCTOBER 11

10°C / 11°C
clear sky

humidity: 90% | wind: 1 km/h

Wales, United KingdomWales, United KingdomWales, United Kingdom

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

Original name
Conwy
The Local Time
05:31
Time Zone
UTC+1
Sunrise
07:28
Sunset
18:40
Length of the day
11 h 11 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.

Conwy is located in Europe in the Northern Hemisphere at a latitude of 53 degrees, along the shores of the Celtic Sea. Conwy lies within the Wales in United Kingdom.

The average annual daytime air temperature in Conwy 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, Conwy 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 110 mm (4.3 inches) of precipitation, while the driest month is July, which typically has 11 rainy days and only 70 mm (2.8 inches) of precipitation.

The average annual water temperature in Celtic Sea in Conwy is 12°C (54°F). In February, the water reaches its lowest point of the year at 4°C (39°F), while in July, it peaks at 19°C (66°F). In Conwy, the water temperature in the Celtic Sea never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Conwy

Frequently Asked Questions About Conwy and its Water Temperatures

What is the current sea temperature in Conwy?

The water temperature today in the Celtic Sea in Conwy is 59°F (14.9°C).

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

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

What is the water temperature in Conwy during the winter?

The water temperature in the Celtic Sea in Conwy during the winter ranges from 4°C to 12°C (39°F to 54°F).

What is the water temperature in Conwy during the spring?

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

What is the water temperature in Conwy during the summer?

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

What is the water temperature in Conwy during the fall?

The water temperature in the Celtic Sea in Conwy during the fall ranges from 10°C to 18°C (50°F to 64°F).

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

In Conwy, 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 Conwy in the next month?

In November, the water temperature in the Celtic Sea in Conwy will range between 50°F (10°C) and 59°F (15°C)