Cottesloe Beach (Perth) Sea Water Temperature
Pure white sand with sweeping Indian Ocean sunsets and crystal turquoise water. Today's reading, 7-day forecast, and monthly averages below.
Cottesloe Beach (Perth) water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Cottesloe Beach (Perth) Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Cottesloe Beach (Perth) occurs inDec, Jan, Feb, Mar — peaking at23°C (73.4°F) in February.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 21°C | 22.3°C | 23.6°C | Comfortable (20°C – 24°C) |
| February | 21.7°C | 23°C | 24.3°C | Comfortable (20°C – 24°C) |
| March | 21.5°C | 22.7°C | 24°C | Comfortable (20°C – 24°C) |
| April | 20.2°C | 21.4°C | 22.7°C | Comfortable (20°C – 24°C) |
| May | 18.8°C | 19.8°C | 20.9°C | Cool / Refreshing (16°C – 20°C) |
| June | 17.5°C | 18.4°C | 19.4°C | Cool / Refreshing (16°C – 20°C) |
| July | 16.7°C | 17.5°C | 18.4°C | Cool / Refreshing (16°C – 20°C) |
| August | 16.5°C | 17.3°C | 18.2°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 16.9°C | 17.7°C | 18.6°C | Cool / Refreshing (16°C – 20°C) |
| October | 17.8°C | 18.7°C | 19.8°C | Cool / Refreshing (16°C – 20°C) |
| November | 19°C | 20°C | 21.2°C | Comfortable (20°C – 24°C) |
| December | 20.1°C | 21.3°C | 22.5°C | Comfortable (20°C – 24°C) |
Swimming FAQs for Cottesloe Beach (Perth)
Is the sea warm enough to swim in Cottesloe Beach (Perth) today?
Typical sea surface temperature in Cottesloe Beach (Perth) this time of year is 17.7°C (63.9°F) — classified as Cool / Refreshing (16°C – 20°C). Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing. Live readings load automatically.
What are the warmest months for swimming in Cottesloe Beach (Perth)?
The highest water temperatures in Cottesloe Beach (Perth) typically occur duringDec, Jan, Feb, Mar, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Cottesloe Beach (Perth) in September?
Historically in September, water temperatures in Cottesloe Beach (Perth) average around17.7°C (63.9°F), fluctuating between a recorded minimum of 16.9°C and a maximum of 18.6°C.