What is the current water temperature in Conwy?

Q: What is the current water temperature in Conwy?

As of now, in Conwy, the water temperature is 8.81°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

United Kingdom > Conwy

Water temperature in Conwy

Detailed information about the current water temperature in Conwy. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

47.9

°F

November 29, 06:19

Trend:

decreasing

Yesterday:

48.3°F

Tomorrow:

47.8°F

Sunrise:

08:04

Sunset:

16:03

Day Length:

7 h. 59 min.

Conwy in December

Minimum:

42.9°F

Average:

45.5°F

Maximum:

47.4°F

Sea water temperature in Conwy today

As of now, in Conwy, the water temperature is 47.9°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.9°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 50.6°F on 2022, while the historical minimum was 48.3°F on 2019.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 47.2°F, the minimum temperature may reach 46.6°F, and the maximum might stay at 47.8°F.

Daily water temperature in Conwy

Date	Current Year actual* / forecast**	last year	10 years average
Nov 15	53.2°F	52.9°F	52.9°F
Nov 16	53.0°F	53.0°F	52.7°F
Nov 17	52.3°F	53.1°F	52.5°F
Nov 18	52.3°F	52.6°F	52.4°F
Nov 19	52.1°F	52.4°F	52.1°F
Nov 20	51.7°F	51.7°F	51.9°F
Nov 21	51.4°F	51.5°F	51.6°F
Nov 22	51.3°F	51.4°F	51.4°F
Nov 23	49.3°F	51.1°F	50.9°F
Nov 24	49.4°F	51.0°F	50.8°F
Nov 25	49.6°F	50.9°F	50.6°F
Nov 26	48.4°F	50.6°F	50.3°F
Nov 27	48.7°F	50.4°F	50.3°F
Nov 28	48.3°F	50.1°F	50.2°F
Nov 29	47.9°F	50.0°F	49.8°F
Nov 30	47.8°F	50.5°F	49.7°F
Dec 1	47.5°F	50.4°F	49.4°F
Dec 2	47.1°F	50.0°F	49.0°F
Dec 3	47.2°F	49.8°F	49.1°F
Dec 4	47.0°F	49.3°F	49.0°F
Dec 5	47.1°F	49.9°F	49.0°F
Dec 6	46.6°F	49.4°F	48.6°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Conwy by month

In an average year, Conwy offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Conwy was recorded on August 18, 2025, reaching a 66.8°F. While the coldest temperature occurred on March 9, 2018, dipping to 40.2°F. The average readings by season are 45.8°F in Winter, 48.3°F in Spring, 60.6°F in Summer, and 56.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	50.0°F	13mi
Caernarfon	50.4°F	21mi
Holyhead	52.3°F	33mi
Birkenhead	45.1°F	35mi
Liverpool	45.2°F	36mi

* current water temperature in this city

** straight line distance from Conwy