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Perth

Water Temperature in the Indian Ocean in Perth, Australia: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Perth in Australia, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Perth

22.5°C

TODAY

23.1°C

YESTERDAY

22.5°C

A WEEK AGO

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Indian Ocean in Perth is 22.5°C. The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart for Indian Ocean in Perth Over the Last 30 Days

The water temperature in Perth today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.

According to our forecast, the sea temperature in Perth will remain nearly unchanged in the coming days, its value will be 22.1°C.

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across Australia to enhance accuracy.

Water temperature data for Perth and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.

Table of Daily Sea Temperature Data

Date	Current	Average	Forecast
Mar 27	22.5°C	22.5°C
Mar 28	22.8°C	22.3°C
Mar 29	22.5°C	22.0°C
Mar 30	23.1°C	22.3°C
Mar 31	23.3°C	22.0°C
Apr 1	23.0°C	22.5°C
Apr 2	23.1°C	22.5°C
Apr 3	22.5°C	21.8°C
Apr 4		21.5°C	22.3°C
Apr 5		22.0°C	22.3°C
Apr 6		21.8°C	22.2°C
Apr 7		21.8°C	22.1°C
Apr 8		21.8°C	22.1°C
Apr 9		22.3°C	22.1°C
Apr 10		22.3°C	22.1°C
Apr 11		22.0°C	22.1°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Sea Temperature in Perth Throughout the Year

Throughout the year, the sea temperature in Perth exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 81 days, and exceeds 64°F (18°C) for 358 days.

Below is the annual chart of sea temperature changes in the Indian Ocean in Perth.

January

Minimum	Average	Maximum
20°C	22°C	24°C

February

Minimum	Average	Maximum
20°C	23°C	26°C

March

Minimum	Average	Maximum
20°C	23°C	26°C

April

Minimum	Average	Maximum
19°C	21.5°C	24°C

May

Minimum	Average	Maximum
19°C	21.5°C	24°C

June

Minimum	Average	Maximum
18°C	20.5°C	23°C

July

Minimum	Average	Maximum
17°C	19.5°C	22°C

August

Minimum	Average	Maximum
17°C	19°C	21°C

September

Minimum	Average	Maximum
16°C	18.5°C	21°C

October

Minimum	Average	Maximum
17°C	19°C	21°C

November

Minimum	Average	Maximum
17°C	19.5°C	22°C

December

Minimum	Average	Maximum
18°C	20.5°C	23°C

Monthly Water Temperature Histogram for Indian Ocean in Perth

You can explore detailed data on how the water temperature in Perth varies each month:

Perth Weather

APRIL 4

19°C / 25°C

light rain

humidity: 55% | wind: 9 km/h

APRIL 5

17°C / 26°C

light rain

humidity: 71% | wind: 4 km/h

APRIL 6

19°C / 24°C

scattered clouds: 25-50%

humidity: 77% | wind: 3 km/h

APRIL 7

19°C / 20°C

clear sky

humidity: 88% | wind: 2 km/h

Sea Temperature in the Indian Ocean in Perth: General Trends and Swimming Opportunities

Original name

Perth

The Local Time

21:58

Time Zone

UTC+8

Sunrise

06:29

Sunset

18:10

Length of the day

11 h 41 m

The coastal region of Western Australia typically experiences a Mediterranean climate, characterized by hot, dry summers and mild, wet winters. Its climate is influenced by the Indian Ocean, which results in more moderate temperatures compared to the interior regions.

Perth is located in Australia & Pacific Islands in the Southern Hemisphere at a latitude of -32 degrees, along the shores of the Indian Ocean. Perth lies within the Western Australia in Australia.

The average annual daytime air temperature in Perth is 24°C (75°F), with the average nighttime temperature being 13°C (55°F). The highest average daily temperature occurs in February, reaching 30°C (86°F), while the lowest is in July at 18°C (64°F). As for nighttime temperatures, the minimum average temperature of 9°C (49°F) is recorded in July, and the maximum is in February, reaching 18°C (65°F).

According to historical data, Perth experiences 103 rainy days per year, which accounts for 28 percent of all days in the year. On average, there are 9 rainy days each month. The wettest month is July, with 17 rainy days and 153 mm (6.0 inches) of precipitation, while the driest month is January, which typically has 2 rainy days and only 15 mm (0.6 inches) of precipitation.

The average annual water temperature in Indian Ocean in Perth is 21°C (70°F). In September, the water reaches its lowest point of the year at 16°C (61°F), while in February, it peaks at 26°C (79°F). In Perth, the water temperature in the Indian Ocean never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Perth

Nearby Cities

Frequently Asked Questions About Perth and its Water Temperatures

What is the current sea temperature in Perth?

The water temperature today in the Indian Ocean in Perth is 73°F (22.5°C).

In which months is the water temperature in Perth comfortable for swimming?

It cannot be guaranteed that the water temperature in Perth will be comfortable for swimming in any month of the year.

What is the water temperature in Perth during the winter?

The water temperature in the Indian Ocean in Perth during the winter ranges from 18°C to 26°C (64°F to 79°F).

What is the water temperature in Perth during the spring?

The water temperature in the Indian Ocean in Perth during the spring ranges from 19°C to 26°C (66°F to 79°F).

What is the water temperature in Perth during the summer?

The water temperature in the Indian Ocean in Perth during the summer ranges from 17°C to 23°C (63°F to 73°F).

What is the water temperature in Perth during the fall?

The water temperature in the Indian Ocean in Perth during the fall ranges from 16°C to 22°C (61°F to 72°F).

Is it possible to swim in the sea in Perth year-round?

No, it is not possible to swim in the Indian Ocean in Perth year-round, the months suitable for comfortable swimming are .

Is Perth a popular tourist destination for beach vacations?

Perth a fairly popular beach destination, offering good conditions for swimming and relaxation, with a steady flow of tourists, especially during peak seasons.

What sea temperatures can I expect in Perth in the next month?

In May, the water temperature in the Indian Ocean in Perth will range between 66°F (19°C) and 75°F (24°C)