All data are in degrees Fahrenheit


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.
Sea temperature in Conwy now



July 14, 04:38











Day Length:

16 h. 30 min.

Conwy in July







Sea water temperature in Conwy today

As of now, in Conwy, the water temperature is 60.2°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 0.7°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 rise a bit.

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 63.1°F on 2018, while the historical minimum was 58.8°F on 2020.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 61.1°F, with minimum temperature starting at 60.5°F, while the maximum might reach 61.4°F.

Daily water temperature in Conwy

Date Current Year

actual* / forecast**

last year 10 years average
Jun 30 59.6°F 62.1°F 59.6°F
Jul 1 58.7°F 61.7°F 59.6°F
Jul 2 59.2°F 61.6°F 59.6°F
Jul 3 58.9°F 61.1°F 59.6°F
Jul 4 59.3°F 60.9°F 59.7°F
Jul 5 59.2°F 60.9°F 59.6°F
Jul 6 59.1°F 61.0°F 59.8°F
Jul 7 60.3°F 59.9°F 59.9°F
Jul 8 59.8°F 61.7°F 60.1°F
Jul 9 59.8°F 61.1°F 60.2°F
Jul 10 59.7°F 61.9°F 60.4°F
Jul 11 59.7°F 61.7°F 60.6°F
Jul 12 59.8°F 62.4°F 60.8°F
Jul 13 60.1°F 61.9°F 60.8°F
Jul 14 60.2°F 61.9°F 61.0°F
Jul 15 60.5°F 62.5°F 61.3°F
Jul 16 60.8°F 62.3°F 61.5°F
Jul 17 60.9°F 62.0°F 61.6°F
Jul 18 61.1°F 62.1°F 61.8°F
Jul 19 61.3°F 61.9°F 62.0°F
Jul 20 61.4°F 61.9°F 62.2°F
Jul 21 61.3°F 61.4°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 July 26, 2021, reaching a 66.5°F. While the coldest temperature occurred on March 9, 2018, dipping to 40.2°F. The average readings by season are 45.9°F in Winter, 48.1°F in Spring, 60.4°F in Summer, and 56.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Bangor 59.4°F 13mi
Caernarfon 60.4°F 21mi
Holyhead 59.1°F 33mi
Birkenhead 61.9°F 35mi
Liverpool 61.8°F 36mi

* current water temperature in this city

** straight line distance from Conwy