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Seaford Sea Temperature in August

East Sussex, United Kingdom

July Seaford year-round → September

Average sea temperature for Seaford, United Kingdom across August, based on 10 years of daily readings.

Average

17.83° C

High

20.09° C

Low

16.18° C

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

August is the 1st warmest of 12 months at Seaford. On average the water sits 4.6° than the year-round mean of 13.23° C.

Compared to July, August is 1.4° warmer than (16.39° C in July). By September the water is usually 17.74° C.

Seaford Day-by-Day Water Temperature in August

10-year low, average and high

15.5° C
16.9° C
18.3° C
19.6° C
21.0° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through August. Range Average

Each vertical bar above is one day of August. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Seaford.

A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.

August Water Temperature Table for Seaford

10-year daily averages

Day Average Low High
August 1 17.31° C 16.41° C 18.24° C
August 2 17.32° C 16.18° C 18.12° C
August 3 17.35° C 16.25° C 18.76° C
August 4 17.4° C 16.29° C 18.66° C
August 5 17.45° C 16.55° C 18.17° C
August 6 17.58° C 16.65° C 18.66° C
August 7 17.59° C 16.68° C 18.68° C
August 8 17.61° C 16.77° C 18.31° C
August 9 17.65° C 16.77° C 18.31° C
August 10 17.77° C 16.74° C 19.29° C
August 11 17.93° C 16.8° C 20.09° C
August 12 18.03° C 16.96° C 20.07° C
August 13 17.98° C 17.07° C 19.08° C
August 14 18.02° C 17.08° C 18.98° C
August 15 18.03° C 17.07° C 19.13° C
August 16 17.98° C 16.76° C 19.01° C
August 17 17.81° C 16.65° C 18.91° C
August 18 17.86° C 16.86° C 18.59° C
August 19 17.89° C 16.86° C 18.49° C
August 20 17.85° C 16.85° C 18.52° C
August 21 17.85° C 16.97° C 18.57° C
August 22 17.89° C 16.92° C 18.49° C
August 23 18.02° C 16.96° C 18.69° C
August 24 18.13° C 17.05° C 19.09° C
August 25 18.2° C 17.09° C 19.45° C
August 26 18.2° C 17.04° C 19.63° C
August 27 18.15° C 16.99° C 19.7° C
August 28 18.03° C 16.93° C 18.84° C
August 29 18.02° C 17° C 18.74° C
August 30 17.97° C 17° C 18.71° C
August 31 17.91° C 16.91° C 18.69° C

Where August Sits in the Year

August highlighted

5.0° C
9.3° C
13.5° C
17.8° C
22.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
10.09° C
9.18° C
9.06° C
9.89° C
11.58° C
14.11° C
16.39° C
17.83° C
17.74° C
16.57° C
14.41° C
11.99° C
10-year monthly history for Seaford. Bars span historical low to high; the line marks the monthly average. Range Average
January → February → March → April → May → June → July → August → September → October → November → December →

Nearby Locations in August

Compare other United Kingdom water for the same month

Seaford Location

50.7735, 0.1011

50.77347, 0.10111 View on OpenStreetMap →

Seaford sits at 50.7735°N, 0.1011°E, on the coast of East Sussex, United Kingdom. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.

Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.

Nearest locations to Seaford