Water temperature in Hervey Bay (QLD) in July

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Is it warm enough to swim in Hervey Bay in July? Average water temperature in Hervey Bay in July is 18.8°C and therefore is not suitable for comfortable swimming. The warmest sea in Hervey Bay in July is 20.6°C, and the coldest is 16.1°C. Average high air temperature in Hervey Bay in July is 22°C, and average low temperature is 10°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Hervey Bay

Changes water temperature in Hervey Bay in July 2025, 2024

To get an accurate forecast for the water temperature in Hervey Bay for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Hervey Bay, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 July	18.1°C	19.4°C	17.6°C	20.2°C
2 July	17.3°C	19.1°C	17.3°C	20.2°C
3 July	17°C	19.2°C	17°C	20.6°C
4 July	17.5°C	18.9°C	17.5°C	20.3°C
5 July	17.7°C	18.7°C	17.7°C	20.3°C
6 July	17.3°C	18.7°C	17.3°C	20.2°C
7 July	17.7°C	18.9°C	17.4°C	20.2°C
8 July	17.9°C	18.8°C	17.4°C	20.2°C
9 July	18.2°C	18.8°C	16.9°C	20.1°C
10 July	18.3°C	19.3°C	17.2°C	20.1°C
11 July	18°C	19.4°C	17.2°C	20.2°C
12 July	18°C	19.2°C	17.1°C	20°C
13 July	17.8°C	19.3°C	16.8°C	19.9°C
14 July	17.8°C	19.3°C	16.1°C	19.9°C
15 July	17.7°C	18.6°C	16.4°C	19.9°C

Day	2025	2024	Min	Max
16 July	18.2°C	18.1°C	16.5°C	20.1°C
17 July	18.5°C	17.7°C	16.6°C	20.1°C
18 July	18.9°C	17.7°C	17.1°C	20.3°C
19 July	18.5°C	17.4°C	16.9°C	20.1°C
20 July	18.7°C	17.3°C	17°C	20°C
21 July	18.4°C	17.1°C	17.1°C	19.8°C
22 July	18.6°C	17.1°C	17°C	19.5°C
23 July	18.9°C	17.2°C	16.9°C	19.7°C
24 July	18.8°C	17.6°C	17°C	19.7°C
25 July	18.6°C	17.7°C	16.9°C	19.7°C
26 July	18.9°C	17.9°C	17.5°C	19.9°C
27 July	19.3°C	18°C	17.4°C	19.7°C
28 July	18.8°C	17.6°C	17.3°C	19.8°C
29 July	18.9°C	17.4°C	17.4°C	19.9°C
30 July	18.5°C	17.2°C	17.2°C	20°C
31 July	18.6°C	16.9°C	16.9°C	20°C

Average water temperature in Hervey Bay in July over a decade

2016	2017	2018	2019	2020
19.2°C	19.9°C	18.8°C	18.9°C	18.4°C

2021	2022	2023	2024	2025
18.6°C	17.3°C	19.3°C	18.2°C	18.2°C

Hervey Bay sea state in July

Chart comparing the height of waves in Hervey Bay in July over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Weather and climate in Hervey Bay in July

This data display average monthly climate indicators in Hervey Bay in July based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature22°C
Average LOW temperature10°C
Average humidity
55
Average rainfall days13 days
Average rainfall2''/51mm

Hervey Bay water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Burrum Heads	18.7°C	16.3°C	20.4°C
Woodgate Beach	18.7°C	16.8°C	20.3°C
Elliott Heads	18.9°C	16.9°C	20.4°C
Bargara	19.1°C	16.8°C	20.7°C
Rainbow Beach	20.6°C	17.9°C	22.1°C
Moore Park Beach	19.1°C	16.9°C	20.9°C
Tin Can Bay	20.6°C	17.9°C	22°C
Lady Elliot Island	22.3°C	20.2°C	24°C
Noosa Heads	20.6°C	18.3°C	22.2°C
Sunshine Beach	20.6°C	18.3°C	22.2°C

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Our report for Hervey Bay is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature