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 7.19°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.

44.9

°F

January 2, 16:34

Trend:

stable

Yesterday:

44.5°F

Tomorrow:

44.7°F

Sunrise:

08:30

Sunset:

16:09

Day Length:

7 h. 39 min.

Conwy in January

Minimum:

44.5°F

Average:

46.8°F

Maximum:

49.0°F

Sea water temperature in Conwy today

As of now, in Conwy, the water temperature is 44.9°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 2.0°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

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 48.8°F on 2016, while the historical minimum was 44.8°F on 2020.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 44.5°F, the minimum temperature may reach 43.9°F, and the maximum might stay at 44.9°F.

Daily water temperature in Conwy

Date	Current Year actual* / forecast**	last year	10 years average
Jan 1	44.5°F	47.1°F	46.8°F
Jan 2	44.9°F	46.9°F	46.9°F
Jan 3	44.7°F	46.6°F	46.7°F
Jan 4	44.9°F	46.6°F	46.8°F
Jan 5	44.9°F	46.7°F	46.8°F
Jan 6	44.7°F	46.5°F	46.7°F
Jan 7	44.2°F	45.7°F	46.2°F
Jan 8	44.2°F	45.1°F	46.2°F
Jan 9	43.9°F	43.3°F	45.8°F
Dec 19	49.0°F	48.1°F	47.5°F
Dec 20	48.5°F	47.3°F	47.4°F
Dec 21	48.6°F	47.4°F	47.4°F
Dec 22	48.5°F	47.2°F	47.3°F
Dec 23	48.2°F	47.3°F	47.1°F
Dec 24	47.8°F	46.2°F	46.9°F
Dec 25	47.7°F	47.1°F	46.8°F
Dec 26	46.3°F	46.3°F	46.7°F
Dec 27	44.7°F	46.6°F	46.5°F
Dec 28	44.3°F	45.9°F	46.3°F
Dec 29	44.6°F	46.1°F	46.3°F
Dec 30	44.8°F	46.0°F	46.3°F
Dec 31	44.2°F	47.2°F	46.5°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, 48.5°F in Spring, 60.9°F in Summer, and 56.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	45.8°F	13mi
Caernarfon	47.5°F	21mi
Holyhead	49.1°F	33mi
Birkenhead	42.6°F	35mi
Liverpool	42.8°F	36mi

* current water temperature in this city

** straight line distance from Conwy