All data are in degrees Fahrenheit


Water temperature in Aberystwyth

Detailed information about the current water temperature in Aberystwyth. 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 Aberystwyth now



June 20, 04:16











Day Length:

16 h. 48 min.

Aberystwyth in June







Sea water temperature in Aberystwyth today

As of now, in Aberystwyth, the water temperature is 58.8°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 1.3°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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 63.1°F on 2023, while the historical minimum was 58.0°F on 2015.

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 59.7°F, with minimum temperature starting at 58.8°F, while the maximum might reach 60.3°F.

Daily water temperature in Aberystwyth

Date Current Year

actual* / forecast**

last year 10 years average
Jun 6 58.1°F 59.1°F 58.1°F
Jun 7 58.4°F 59.2°F 58.2°F
Jun 8 58.6°F 58.8°F 58.3°F
Jun 9 59.1°F 58.6°F 58.5°F
Jun 10 58.5°F 59.5°F 58.4°F
Jun 11 58.9°F 59.5°F 58.5°F
Jun 12 58.9°F 59.6°F 58.6°F
Jun 13 58.4°F 60.9°F 58.6°F
Jun 14 58.4°F 60.9°F 58.9°F
Jun 15 58.8°F 60.6°F 59.2°F
Jun 16 57.7°F 61.5°F 59.4°F
Jun 17 59.1°F 61.5°F 59.5°F
Jun 18 59.1°F 62.2°F 59.7°F
Jun 19 58.5°F 62.1°F 59.8°F
Jun 20 58.8°F 63.1°F 60.1°F
Jun 21 58.8°F 61.5°F 60.1°F
Jun 22 59.2°F 62.1°F 60.5°F
Jun 23 59.7°F 63.1°F 61.0°F
Jun 24 59.8°F 63.0°F 61.1°F
Jun 25 60.2°F 64.4°F 61.5°F
Jun 26 60.2°F 64.4°F 61.6°F
Jun 27 60.3°F 64.4°F 61.6°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 Aberystwyth by month

In an average year, Aberystwyth offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Aberystwyth was recorded on July 23, 2021, reaching a 68.8°F. While the coldest temperature occurred on March 9, 2018, dipping to 40.5°F. The average readings by season are 46.3°F in Winter, 49.4°F in Spring, 62.3°F in Summer, and 57.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Caernarfon 57.4°F 51mi
Swansea 60.0°F 55mi
Bangor 57.4°F 56mi
Conwy 58.2°F 61mi

* current water temperature in this city

** straight line distance from Aberystwyth