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Port Phillip Bay Sea Temperature in April

Victoria, Australia

March Port Phillip Bay year-round → May

Average sea temperature for Port Phillip Bay, Australia across April, based on 10 years of daily readings.

Average

18.13° C

High

20.3° C

Low

16.02° 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.

April is the 5th warmest of 12 months at Port Phillip Bay. On average the water sits 1.8° than the year-round mean of 16.33° C.

Compared to March, April is 2.5° cooler than (20.61° C in March). By May the water is usually 15.46° C.

Port Phillip Bay Day-by-Day Water Temperature in April

10-year low, average and high

15.0° C
16.5° C
18.0° C
19.5° C
21.0° C
1
5
10
15
20
25
30
Day-by-day low and high band with the 10-year daily average through April. Range Average

Each vertical bar above is one day of April. 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 Port Phillip Bay.

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.

April Water Temperature Table for Port Phillip Bay

10-year daily averages

Day Average Low High
April 1 19.35° C 18.61° C 20.3° C
April 2 19.27° C 18.5° C 20.16° C
April 3 19.13° C 18.44° C 20.07° C
April 4 18.96° C 17.95° C 19.78° C
April 5 18.85° C 17.74° C 19.45° C
April 6 18.83° C 17.67° C 19.59° C
April 7 18.78° C 17.6° C 19.52° C
April 8 18.77° C 17.6° C 19.45° C
April 9 18.7° C 17.77° C 19.24° C
April 10 18.55° C 17.63° C 19.29° C
April 11 18.3° C 17.35° C 19.07° C
April 12 18.2° C 17.24° C 19.08° C
April 13 18.14° C 17.22° C 19.28° C
April 14 18.09° C 17.23° C 19.29° C
April 15 18.05° C 16.96° C 19.46° C
April 16 18.02° C 16.81° C 19.59° C
April 17 17.93° C 16.75° C 19.7° C
April 18 17.86° C 16.61° C 19.7° C
April 19 17.86° C 16.57° C 19.64° C
April 20 17.81° C 16.58° C 19.51° C
April 21 17.72° C 16.57° C 19.34° C
April 22 17.66° C 16.54° C 19.17° C
April 23 17.64° C 16.5° C 19.19° C
April 24 17.68° C 16.44° C 19.23° C
April 25 17.65° C 16.28° C 19.12° C
April 26 17.43° C 16.09° C 18.94° C
April 27 17.33° C 16.02° C 18.92° C
April 28 17.28° C 16.04° C 18.78° C
April 29 17.24° C 16.3° C 18.52° C
April 30 17.15° C 16.35° C 18.28° C

Where April Sits in the Year

April highlighted

8.0° C
12.5° C
17.0° C
21.5° C
26.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
21.48° C
21.5° C
20.61° C
18.13° C
15.46° C
12.83° C
11.2° C
11.16° C
12.37° C
14.76° C
17.09° C
19.43° C
10-year monthly history for Port Phillip Bay. 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 April

Compare other Australia water for the same month

Port Phillip Bay Location

-38.1732, 144.8731

-38.17321, 144.87312 View on OpenStreetMap →

Port Phillip Bay sits at -38.1732°N, 144.8731°E, on the coast of Victoria, Australia. 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 Port Phillip Bay