Brown Lake – current water temperature and swimming conditions
This page provides information about the current water temperature at Brown Lake in Queensland. Here you can view recent temperature trends on a 30-day chart, check typical monthly water temperature ranges, and compare today’s reading with historical averages for this date. A 7-day water temperature forecast, local weather conditions, and an overview of swimming suitability are also included.
Current Water Temperature
The water temperature in Brown Lake today is 17°C.
Water Temperature in Brown Lake: Daily Trends, Historical Records, and Forecast
⚠️ A lake temperature of 15 to 20°C is considered cool to comfortable for swimming in Australia. On warm days with light winds, this range allows for relaxed swimming, especially in shallow or sheltered areas. Comfort depends strongly on air temperature and sunshine, as cooler or overcast weather can still make the water feel chilly. This range is common during spring and early summer.
Water Temperature Over the Last 30 Days
While water temperatures in Brown Lake declined overall during the past month, they have shown a noticeable rebound over the last week.
According to our forecast, the water temperature in Brown Lake will be 16.7°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Water Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Jun 13 | 16.0°C | 16.7°C | |
| Jun 14 | 15.9°C | 16.7°C | |
| Jun 15 | 16.0°C | 16.7°C | |
| Jun 16 | 16.1°C | 16.7°C | |
| Jun 17 | 16.1°C | 16.7°C | |
| Jun 18 | 16.0°C | 16.7°C | |
| Jun 19 | 15.9°C | 16.7°C | |
| Jun 20 | 16.8°C | 16.7°C | |
| Jun 21 | 16.8°C | 16.7°C | 16.8°C |
| Jun 22 | 16.7°C | 16.8°C | |
| Jun 23 | 16.7°C | 16.8°C | |
| Jun 24 | 16.7°C | 16.8°C | |
| Jun 25 | 16.7°C | 16.8°C | |
| Jun 26 | 16.7°C | 16.7°C | |
| Jun 27 | 16.7°C | 16.7°C | |
| Jun 28 | 16.7°C | 16.7°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual lake water temperatures may differ from the reported values by several degrees, particularly during periods of strong winds or rapid weather changes. Wind can mix surface and deeper layers in a lake, bringing cooler water to the surface, while shallow areas may warm more quickly under direct sunlight. Air temperature, sunshine, and cloud cover strongly influence how quickly a lake heats up or cools down. These factors can lead to noticeable temperature variations across different parts of the lake.
Our forecast is based on a proprietary mathematical model that considers real-time lake temperature observations, historical trends, seasonal cycles, wind strength and direction, and region-specific air temperature. To enhance accuracy, we also incorporate data from nearby monitored locations and comparable lakes within Australia.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Today | Yesterday | A Week Ago |
|---|---|---|---|
| January | 26°C | 28°C | 30°C |
| February | 26°C | 27°C | 29°C |
| March | 23°C | 26°C | 28°C |
| April | 20°C | 23°C | 25°C |
| May | 16°C | 20°C | 22°C |
| June | 14°C | 17°C | 19°C |
| July | 14°C | 17°C | 18°C |
| August | 16°C | 18°C | 21°C |
| September | 19°C | 21°C | 23°C |
| October | 21°C | 23°C | 26°C |
| November | 23°C | 25°C | 27°C |
| December | 24°C | 27°C | 28°C |
Location & Local Information
Brown Lake, or Bummiera as it’s known to the Quandamooka people, is a spectacular perched lake on North Stradbroke Island (Minjerribah). Because the lake sits high above the water table and is fed entirely by rainwater, the temperature is largely dictated by the sun and the surrounding bush. During a cracking summer, the water is an absolute dream, usually sitting between 25°C and 28°C. It’s like stepping into a warm, tea-infused bath. When the winter chill hits in July, the mercury drops to a more refreshed 18°C or 21°C. While it might give you a quick nip when you first jump in, it’s far more inviting than the freezing rivers on the mainland, staying comfortable enough for a splash for most of the year.
Swimming Conditions
Swimming is definitely allowed and is a legendary experience because of the lake's unique tea water. The deep amber hue comes from tannins leaching out of the surrounding paperbark and tea trees, and many locals reckon a soak here leaves your skin and hair feeling top-notch. It’s a ripper of a spot for families because the water is dead calm with no rips or tides to worry about, though you should keep your wits about you as the bottom drops off quite quickly. It’s also a place of massive cultural significance, especially for women and children, so it’s important to show a bit of respect while you're enjoying a dip. As long as you’re happy to share the water with a few local turtles, it’s a gold-standard spot to cool off.