Queensland North Coast – Water Temperature Overview
This page provides information on Queensland North Coast locations where sea water temperature data is available, including current conditions, monthly ranges and historical records.
Current Water Temperature
The current water temperature in the Queensland North Coast today is within the range of 27-30°C. Thus, the average water temperature is about 28°C. Water at this temperature is very warm and feels almost tropical. Swimming is comfortable for most people, even for long periods, with no sensation of cold. These conditions are ideal for relaxed swimming, floating, and water play, especially for families and casual swimmers. However, during very hot weather, the water may feel less refreshing, and short breaks are often welcome.
It’s important to note that these swimming tips and recommendations apply only in settled weather. When air temperatures drop below 20°C — and sometimes even below 25°C — swimming can feel uncomfortable, even when water temperatures are relatively high.
Sea Temperature Trends
Over the past month, the sea water temperature has remained largely unchanged. Overall, the sea water temperature is within the range expected based on historical data for this month.
Water Temperature and Swimming Conditions by Month
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 24°C | 28°C | 32°C |
| February | 25°C | 29°C | 32°C |
| March | 25°C | 29°C | 32°C |
| April | 23°C | 28°C | 32°C |
| May | 20°C | 26°C | 31°C |
| June | 19°C | 25°C | 30°C |
| July | 18°C | 23°C | 28°C |
| August | 18°C | 23°C | 28°C |
| September | 18°C | 24°C | 29°C |
| October | 20°C | 26°C | 31°C |
| November | 22°C | 27°C | 32°C |
| December | 24°C | 29°C | 33°C |
The Queensland North Coast, home to the world-renowned Great Barrier Reef and the tropical hub of Cairns, provides a year-round paradise for ocean lovers. The region is defined by its warm, tropical waters that remain comfortable for swimming regardless of the month. During the peak of the summer wet season in February, sea water temperatures can reach a balmy 29°C to 31°C, creating a bath-like environment. Even in the heart of winter during August, the ocean rarely cools below 23°C to 25°C. This consistent warmth means that heavy wetsuits are rarely necessary, though many swimmers and snorkellers choose to wear thin lycra suits to protect against the strong tropical sun and provide a barrier against seasonal marine life.
Swimming Conditions
Swimming is widely permitted across the North Coast’s stunning palm-fringed beaches and offshore islands, but it is managed with specific safety measures. From November to May, the region enters stinger season, when dangerous jellyfish such as the Box Jellyfish and Irukandji are more prevalent. During this time, swimming is strictly advised only within the designated stinger-resistant enclosures found at patrolled beaches like Palm Cove or Four Mile Beach. Furthermore, this region is croc country, and while saltwater crocodiles typically prefer estuaries and river mouths, they can occasionally be found on coastal beaches. For these reasons, it is vital to only swim at patrolled locations between the red and yellow flags, obey all warning signs, and stay croc-wise by avoiding the water at dawn or dusk. By following these local guidelines, you can safely enjoy some of the most beautiful tropical waters in Australia.