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 18.47°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

65.2

°F

August 1, 04:56

Trend:

stable

Yesterday:

65.3°F

Tomorrow:

65.4°F

Sunrise:

05:31

Sunset:

21:11

Day Length:

15 h. 40 min.

Conwy in August

Minimum:

43.3°F

Average:

46.0°F

Maximum:

48.1°F

Sea water temperature in Conwy today

As of now, in Conwy, the water temperature is 65.2°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 2.7°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 64.1°F on 2025, while the historical minimum was 61.3°F on 2017.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest 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 65.5°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
Jul 18	67.2°F	64.1°F	62.6°F
Jul 19	67.5°F	63.8°F	62.8°F
Jul 20	66.8°F	63.4°F	62.9°F
Jul 21	67.1°F	63.9°F	62.8°F
Jul 22	66.1°F	63.9°F	62.7°F
Jul 23	64.4°F	63.6°F	62.5°F
Jul 24	64.6°F	63.5°F	62.4°F
Jul 25	65.5°F	64.9°F	62.8°F
Jul 26	65.6°F	64.6°F	63.1°F
Jul 27	66.0°F	64.0°F	63.2°F
Jul 28	65.6°F	63.8°F	62.9°F
Jul 29	65.3°F	64.4°F	62.9°F
Jul 30	65.2°F	65.1°F	62.9°F
Jul 31	65.3°F	64.9°F	62.6°F
Aug 1	65.2°F	64.1°F	62.6°F
Aug 2	65.4°F	64.9°F	62.8°F
Aug 3	65.5°F	65.0°F	62.8°F
Aug 4	65.4°F	64.7°F	62.8°F
Aug 5	65.6°F	64.2°F	62.9°F
Aug 6	65.6°F	63.8°F	62.9°F
Aug 7	65.5°F	63.5°F	62.9°F
Aug 8	65.6°F	63.9°F	62.9°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 July 16, 2026, reaching a 68.5°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, 61.0°F in Summer, and 56.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	64.2°F	13mi
Caernarfon	63.2°F	21mi
Holyhead	61.7°F	33mi
Birkenhead	67.7°F	35mi
Liverpool	67.4°F	36mi

* current water temperature in this city

** straight line distance from Conwy