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 19.05°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

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.

66.3

°F

August 20, 05:22

Trend:

stable

Yesterday:

66.3°F

Tomorrow:

66.2°F

Sunrise:

06:03

Sunset:

20:33

Day Length:

14 h. 30 min.

Conwy in August

Minimum:

43.3°F

Average:

46.2°F

Maximum:

48.1°F

Sea water temperature in Conwy today

As of now, in Conwy, the water temperature is 66.3°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 3.5°F higher 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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 65.8°F on 2022, while the historical minimum was 60.8°F on 2015.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 66.2°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
Aug 6	63.8°F	63.8°F	62.6°F
Aug 7	63.5°F	63.9°F	62.6°F
Aug 8	63.9°F	63.8°F	62.6°F
Aug 9	63.9°F	63.6°F	62.6°F
Aug 10	63.6°F	63.3°F	62.3°F
Aug 11	63.6°F	63.3°F	62.4°F
Aug 12	64.1°F	63.6°F	62.7°F
Aug 13	64.8°F	63.9°F	62.9°F
Aug 14	65.3°F	64.0°F	63.1°F
Aug 15	65.2°F	64.0°F	63.1°F
Aug 16	65.6°F	63.9°F	63.2°F
Aug 17	66.1°F	63.3°F	63.2°F
Aug 18	66.8°F	63.6°F	63.3°F
Aug 19	66.3°F	62.8°F	62.7°F
Aug 20	66.3°F	62.9°F	62.7°F
Aug 21	66.2°F	62.9°F	62.7°F
Aug 22	66.3°F	62.8°F	62.8°F
Aug 23	66.2°F	62.5°F	62.6°F
Aug 24	66.2°F	62.2°F	62.7°F
Aug 25	66.2°F	61.8°F	62.6°F
Aug 26	66.1°F	61.0°F	62.6°F
Aug 27	66.0°F	61.1°F	62.5°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, 48.3°F in Spring, 60.6°F in Summer, and 56.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	64.6°F	13mi
Caernarfon	65.3°F	21mi
Holyhead	62.1°F	33mi
Birkenhead	66.7°F	35mi
Liverpool	67.4°F	36mi

* current water temperature in this city

** straight line distance from Conwy