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 6.79°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.

44.2

°F

January 12, 09:52

Trend:

stable

Yesterday:

43.7°F

Tomorrow:

44.2°F

Sunrise:

08:25

Sunset:

16:22

Day Length:

7 h. 57 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 44.2°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 1.3°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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 47.4°F on 2016, while the historical minimum was 42.9°F on 2025.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 44.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

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	46.7°F
Jan 3	44.5°F	46.6°F	46.5°F
Jan 4	43.8°F	46.6°F	46.5°F
Jan 5	43.8°F	46.7°F	46.5°F
Jan 6	43.6°F	46.5°F	46.4°F
Jan 7	43.4°F	45.7°F	45.9°F
Jan 8	43.6°F	45.1°F	46.0°F
Jan 9	43.8°F	43.3°F	45.6°F
Jan 10	43.8°F	43.5°F	45.5°F
Jan 11	43.7°F	43.3°F	45.4°F
Jan 12	44.2°F	42.9°F	45.5°F
Jan 13	44.2°F	43.3°F	45.5°F
Jan 14	44.2°F	43.5°F	45.5°F
Jan 15	44.2°F	43.9°F	45.5°F
Jan 16	44.1°F	44.0°F	45.4°F
Jan 17	43.9°F	43.7°F	45.2°F
Jan 18	43.6°F	43.9°F	44.9°F
Jan 19	43.5°F	43.8°F	44.8°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	44.4°F	13mi
Caernarfon	46.1°F	21mi
Holyhead	46.4°F	33mi
Birkenhead	41.6°F	35mi
Liverpool	41.5°F	36mi

* current water temperature in this city

** straight line distance from Conwy