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Lake Hume – current water temperature and swimming conditions

This page provides information about the current water temperature at Lake Hume in New South Wales. 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.

Lake Hume
Lake Hume © By thennicke, CC BY-SA 3.0

Current Water Temperature

15.6°C
Today
16.5°C
Yesterday
16.1°C
A Week Ago

The water temperature in Lake Hume today is 16°C.

Water Temperature in Lake Hume: 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

Water temperatures in Lake Hume have been gradually cooling over the past month, with a further drop recorded during the last week.

According to our forecast, the water temperature in Lake Hume will be 13.8°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
Apr 2815.9°C13.5°C
Apr 2916.1°C13.5°C
Apr 3016.1°C13.5°C
May 116.2°C13.5°C
May 216.0°C13.5°C
May 316.7°C13.5°C
May 416.7°C13.5°C
May 516.5°C13.5°C
May 615.6°C13.5°C15.6°C
May 713.5°C15.3°C
May 813.5°C15.1°C
May 913.5°C14.8°C
May 1013.5°C14.6°C
May 1113.5°C14.3°C
May 1213.5°C14.0°C
May 1313.5°C13.8°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
January18°C20°C21°C
February19°C21°C22°C
March15°C21°C22°C
April12°C18°C21°C
May8°C14°C18°C
June7°C11°C14°C
July6°C10°C11°C
August8°C10°C11°C
September10°C12°C13°C
October12°C14°C16°C
November15°C16°C18°C
December17°C18°C20°C

Location & Local Information

It’s a massive expanse of water that’s basically the local playground for anyone looking to beat the heat. During the height of a cracking summer, the surface water temperature usually hovers around a balmy 24°C to 26°C, making it absolutely spot on for a long dip or a bit of a splash with the family. However, don't let the summer sun fool you; once winter rolls around, the mercury in the water dives down to about 10°C or 12°C. It’s definitely fresh enough to take your breath away then, so most folks stick to the shore unless they’re keen on a bit of cold-water therapy.

Swimming Conditions

Swimming is perfectly fine and is a huge drawcard for the area, especially at popular spots like Ebden Reserve or the Lake Hume Tourist Park beach. There aren't any pesky sharks to worry about, but you’ve got to keep a sharp eye out for submerged trees and shifting water levels, as the lake is a working dam. It’s also worth checking the local alerts for blue-green algae before you jump in, as the warm, still water in late summer can sometimes cause a bit of a bloom. As long as you play it smart and watch the kids, it’s a ripper place to spend a Saturday afternoon.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lake Hume?
The water temperature in Lake Hume today is 16°C.
What is the water temperature in Lake Hume during the summer months?
In summer, water temperatures in Lake Hume typically range from 17°C to 22°C.
Is it possible to swim in Lake Hume (New South Wales)?
Yes — swimming is a popular activity at Lake Hume, with several reserve and beach areas around the reservoir suitable for a dip in warmer months. Water temperatures can reach the mid‑20s °C in summer but drop to around 10 °C or lower in winter, so always check local signage and water‑quality advice, avoid dam walls, spillways and boat channels, and supervise children closely.