Water temperature in Tresaith in August

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Is it warm enough to swim in Tresaith in August? Average water temperature in Tresaith in August is 16.9°C and therefore is not suitable for comfortable swimming. The warmest sea in Tresaith in August is 18.8°C, and the coldest is 15.6°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Tresaith

Changes water temperature in Tresaith in August 2025, 2024

To get an accurate forecast for the water temperature in Tresaith for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Tresaith, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of August.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 August	18.1°C	17.3°C	15.8°C	18.1°C
2 August	18.5°C	17.2°C	15.8°C	18.5°C
3 August	18.4°C	17.3°C	15.9°C	18.4°C
4 August	18.4°C	17°C	15.9°C	18.4°C
5 August	18.4°C	16.9°C	15.6°C	18.4°C
6 August	18.2°C	17.1°C	16°C	18.2°C
7 August	18.2°C	17°C	16°C	18.2°C
8 August	18.3°C	17°C	16.1°C	18.3°C
9 August	18.6°C	17.1°C	16°C	18.6°C
10 August	18.6°C	17.1°C	16.2°C	18.6°C
11 August	18.5°C	17.6°C	16.3°C	18.5°C
12 August	18.8°C	17.6°C	16.3°C	18.8°C
13 August	18.6°C	17.3°C	16.3°C	18.6°C
14 August	18.3°C	17.3°C	16.1°C	18.7°C
15 August	18.9°C	17.3°C	16.2°C	18.9°C

Day	2025	2024	Min	Max
16 August	18.9°C	17.3°C	16.2°C	18.9°C
17 August	18.4°C	17.2°C	16.3°C	18.4°C
18 August	18.3°C	16.9°C	16.1°C	18.3°C
19 August	18.4°C	17°C	16.1°C	18.7°C
20 August	18.5°C	17.2°C	16.1°C	18.5°C
21 August	18.6°C	17.1°C	16.2°C	18.8°C
22 August	18.4°C	16.9°C	16.3°C	18.6°C
23 August	18.4°C	16.9°C	16.3°C	18.5°C
24 August	18.5°C	16.8°C	16.3°C	18.5°C
25 August	18.6°C	16.5°C	16.3°C	18.6°C
26 August	18.5°C	16.6°C	16.3°C	18.5°C
27 August	18.5°C	16.4°C	16.2°C	18.5°C
28 August	18.4°C	16.8°C	16.2°C	18.4°C
29 August	18.4°C	16.8°C	16.3°C	18.4°C
30 August	18.1°C	17.3°C	16.2°C	18.4°C
31 August	18.1°C	17.1°C	16.3°C	18.2°C

Average water temperature in Tresaith in August over a decade

2016	2017	2018	2019	2020
16.8°C	16.6°C	17.1°C	17.2°C	16.8°C

2021	2022	2023	2024	2025
17.1°C	18.2°C	17.3°C	17.1°C	18.3°C

Tresaith water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Penbryn	16.9°C	15.6°C	18.8°C
Cwm-yr-Eglwys	16°C	14.6°C	17.6°C
Fishguard	15.8°C	14.5°C	17.1°C
Goodwick	15.8°C	14.5°C	17.1°C
Llansteffan	17.7°C	16.4°C	20.2°C
Porthgain	15.7°C	14.2°C	17.2°C
Pendine	17.6°C	16.3°C	19.7°C
Amroth	17.5°C	16.2°C	19.5°C
Aberdyfi	17.7°C	16.4°C	19.5°C
Saundersfoot	17.4°C	16.1°C	19.4°C

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Our report for Tresaith is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature