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 18.0°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.

64.4

°F

July 11, 02:58

Trend:

increasing

Yesterday:

64.2°F

Tomorrow:

64.7°F

Sunrise:

05:01

Sunset:

21:40

Day Length:

16 h. 39 min.

Conwy in July

Minimum:

42.8°F

Average:

45.9°F

Maximum:

48.1°F

Sea water temperature in Conwy today

As of now, in Conwy, the water temperature is 64.4°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 3.5°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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 63.3°F on 2018, while the historical minimum was 58.7°F on 2020.

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 65.1°F, with minimum temperature starting at 64.7°F, while the maximum might reach 65.6°F.

Daily water temperature in Conwy

Date	Current Year actual* / forecast**	last year	10 years average
Jun 27	63.9°F	60.8°F	60.5°F
Jun 28	64.1°F	62.0°F	60.7°F
Jun 29	63.8°F	61.7°F	60.5°F
Jun 30	63.4°F	62.0°F	60.4°F
Jul 1	63.6°F	61.6°F	60.2°F
Jul 2	62.8°F	61.3°F	60.1°F
Jul 3	62.5°F	63.1°F	60.3°F
Jul 4	62.7°F	62.5°F	60.3°F
Jul 5	62.2°F	62.0°F	60.2°F
Jul 6	63.0°F	62.5°F	60.4°F
Jul 7	62.1°F	62.0°F	60.4°F
Jul 8	63.0°F	62.2°F	60.7°F
Jul 9	63.2°F	62.1°F	60.8°F
Jul 10	64.2°F	62.5°F	60.8°F
Jul 11	64.4°F	62.5°F	60.9°F
Jul 12	64.7°F	63.5°F	61.2°F
Jul 13	64.7°F	65.0°F	61.3°F
Jul 14	64.8°F	65.3°F	61.4°F
Jul 15	65.2°F	65.3°F	61.7°F
Jul 16	65.3°F	64.9°F	61.8°F
Jul 17	65.3°F	64.3°F	61.9°F
Jul 18	65.6°F	64.1°F	62.1°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	62.3°F	13mi
Caernarfon	64.6°F	21mi
Holyhead	60.2°F	33mi
Birkenhead	67.0°F	35mi
Liverpool	66.7°F	36mi

* current water temperature in this city

** straight line distance from Conwy