Water temperature in Kew Balmy Beach (ON) in August

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Is it warm enough to swim in Kew Balmy Beach in August? Average water temperature in Kew Balmy Beach in August is 21.5°C and therefore suitable for comfortable swimming. The warmest water in Kew Balmy Beach in August is 25.2°C, and the coldest is 15.7°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Kew Balmy Beach

Changes water temperature in Kew Balmy Beach in August 2025, 2024

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

Sea temperature

Sea state

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 August	23.1°C	24.4°C	18.8°C	24.4°C
2 August	22.5°C	24.2°C	19.4°C	24.2°C
3 August	22.3°C	24.3°C	19.1°C	24.3°C
4 August	22°C	24.3°C	18.1°C	24.3°C
5 August	23.1°C	24.7°C	18.4°C	24.7°C
6 August	22.9°C	23.9°C	15.7°C	23.9°C
7 August	22.9°C	23.7°C	15.8°C	24.1°C
8 August	23.2°C	23.3°C	16.6°C	23.9°C
9 August	24°C	23.4°C	18.1°C	24.3°C
10 August	24.5°C	23.1°C	18.5°C	24.5°C
11 August	24.8°C	22.7°C	18.9°C	24.8°C
12 August	25.3°C	21.7°C	19.7°C	25.3°C
13 August	24.4°C	21.4°C	19°C	24.4°C
14 August	24.9°C	21.1°C	18.4°C	24.9°C
15 August	25°C	22.2°C	18°C	25°C

Day	2025	2024	Min	Max
16 August	24.6°C	22.3°C	17.9°C	24.6°C
17 August	24.3°C	22.4°C	17.4°C	24.3°C
18 August	24.7°C	22.9°C	17°C	24.7°C
19 August	24.4°C	22.7°C	16.5°C	24.4°C
20 August	24.1°C	20.8°C	16.8°C	24.1°C
21 August	22.9°C	20.7°C	16°C	23.8°C
22 August	22.5°C	19.7°C	17.1°C	25.2°C
23 August	22.8°C	19.6°C	17.4°C	24.9°C
24 August	23.1°C	19.4°C	17°C	24.8°C
25 August	22.9°C	19.7°C	17.3°C	24.8°C
26 August	22.6°C	20.6°C	18°C	24.3°C
27 August	21.7°C	21.2°C	16.6°C	24.6°C
28 August	21.5°C	21.6°C	16.6°C	23.8°C
29 August	21.2°C	21.5°C	17.6°C	24.5°C
30 August	21°C	20.5°C	18.9°C	24.2°C
31 August	20.4°C	22.3°C	19.2°C	23.9°C

Kew Balmy Beach water temp chart in August

Average water temperature in Kew Balmy Beach in August over a decade

2016	2017	2018	2019	2020
22.9°C	20.6°C	23.2°C	21.3°C	22°C

2021	2022	2023	2024	2025
23.4°C	21.7°C	19.9°C	22.1°C	22.9°C

Kew Balmy Beach 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 August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Mississauga	21°C	15.7°C	24.7°C
Niagara-on-the-Lake	22°C	18.3°C	25.4°C
Youngstown	23°C	18.8°C	25.7°C
Thorold	22.2°C	17.7°C	25.3°C
St. Catharines	22.1°C	17.9°C	25.3°C
Oakville	21.3°C	15.9°C	25°C
Oshawa	20.9°C	11.5°C	24.8°C
Grimsby	21.8°C	17.8°C	25.5°C
Olcott	22.7°C	18.3°C	25.6°C
Hamilton	21.4°C	16.6°C	25.4°C

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Our report for Kew Balmy Beach 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