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 15.52°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.

59.9

°F

June 19, 20:23

Trend:

increasing

Yesterday:

59.5°F

Tomorrow:

60.3°F

Sunrise:

04:47

Sunset:

21:46

Day Length:

16 h. 59 min.

Conwy in June

Minimum:

43.6°F

Average:

46.4°F

Maximum:

48.3°F

Sea water temperature in Conwy today

As of now, in Conwy, the water temperature is 59.9°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 1.4°F higher 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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. 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 62.3°F on 2023, while the historical minimum was 56.5°F on 2018.

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 suggests a gradual increase. The average temperature is expected to rise up to 60.8°F, with minimum temperature starting at 60.3°F, while the maximum might reach 61.2°F.

Daily water temperature in Conwy

Date	Current Year actual* / forecast**	last year	10 years average
Jun 5	58.2°F	56.8°F	57.0°F
Jun 6	58.1°F	56.7°F	57.1°F
Jun 7	57.7°F	56.5°F	56.8°F
Jun 8	58.4°F	56.3°F	56.7°F
Jun 9	58.0°F	56.6°F	57.1°F
Jun 10	57.8°F	56.9°F	57.2°F
Jun 11	58.0°F	56.3°F	57.3°F
Jun 12	58.1°F	57.0°F	57.6°F
Jun 13	57.9°F	58.5°F	57.5°F
Jun 14	57.6°F	58.2°F	57.7°F
Jun 15	57.7°F	58.7°F	57.9°F
Jun 16	57.7°F	58.7°F	58.2°F
Jun 17	58.0°F	58.6°F	58.2°F
Jun 18	59.5°F	59.0°F	58.4°F
Jun 19	59.9°F	60.1°F	58.5°F
Jun 20	60.3°F	60.0°F	58.9°F
Jun 21	60.5°F	60.8°F	59.1°F
Jun 22	60.7°F	61.1°F	59.2°F
Jun 23	60.7°F	60.8°F	59.3°F
Jun 24	60.8°F	61.1°F	59.4°F
Jun 25	61.2°F	60.7°F	59.8°F
Jun 26	61.2°F	60.0°F	59.8°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, 48.6°F in Spring, 60.9°F in Summer, and 56.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	58.2°F	13mi
Caernarfon	58.6°F	21mi
Holyhead	55.7°F	33mi
Birkenhead	62.3°F	35mi
Liverpool	61.6°F	36mi

* current water temperature in this city

** straight line distance from Conwy