Water temperature in Port Darlington (ON) in July

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Is it warm enough to swim in Port Darlington in July? Average water temperature in Port Darlington in July is 19.8°C and therefore is not suitable for comfortable swimming. The warmest water in Port Darlington in July is 25.2°C, and the coldest is 14°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Darlington

Changes water temperature in Port Darlington in July 2025, 2024

To get an accurate forecast for the water temperature in Port Darlington for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Port Darlington, 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	17.8°C	15.1°C	14.4°C	19.5°C
2 July	18°C	15.8°C	14.6°C	20°C
3 July	17.7°C	15.9°C	14.7°C	20.7°C
4 July	16.6°C	16.1°C	15.9°C	21.4°C
5 July	17.1°C	17.9°C	16.1°C	22.1°C
6 July	18.1°C	20.5°C	15.8°C	21.7°C
7 July	19.6°C	20.2°C	16.5°C	22.4°C
8 July	19.5°C	19.3°C	14.9°C	22.3°C
9 July	19.8°C	20.8°C	14.8°C	24.1°C
10 July	19.8°C	20.7°C	14°C	25.2°C
11 July	20.8°C	20.5°C	14.7°C	24.8°C
12 July	22.3°C	20.8°C	15.5°C	23.6°C
13 July	23.1°C	21.4°C	15.4°C	23.1°C
14 July	22.3°C	21.9°C	15.4°C	22.3°C
15 July	23.2°C	22.1°C	15.2°C	23.2°C

Day	2025	2024	Min	Max
16 July	24°C	21.8°C	15.3°C	24°C
17 July	23.8°C	21.5°C	15.2°C	23.8°C
18 July	21.6°C	20.4°C	15.6°C	23.7°C
19 July	19.1°C	19.6°C	16.2°C	22.7°C
20 July	18.8°C	19.8°C	17.1°C	22.1°C
21 July	17.2°C	20.2°C	17.2°C	21.9°C
22 July	17.3°C	20.7°C	17.3°C	22°C
23 July	18.9°C	20.8°C	18.5°C	22.2°C
24 July	19.8°C	21.6°C	18.6°C	22.2°C
25 July	20.8°C	20.9°C	18.9°C	22.3°C
26 July	20.2°C	20.4°C	17.3°C	22.6°C
27 July	21.7°C	20.2°C	16.9°C	22.5°C
28 July	22°C	20.3°C	17.8°C	22.5°C
29 July	21.8°C	21.8°C	17.9°C	22.8°C
30 July	22.4°C	22.2°C	17.8°C	23.2°C
31 July	22.4°C	23.7°C	17.3°C	23.7°C

Port Darlington water temp chart in July

Average water temperature in Port Darlington in July over a decade

2016	2017	2018	2019	2020
19.3°C	19.3°C	20.6°C	19.7°C	21.3°C

2021	2022	2023	2024	2025
19.7°C	18.7°C	20.5°C	20.2°C	20.2°C

Port Darlington sea state in July

Chart comparing the height of waves in Port Darlington 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.

Port Darlington 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
Bowmanville	19.8°C	14°C	25.2°C
Port Whitby	19.6°C	10.8°C	25.2°C
Port Hope	20.1°C	14.2°C	24.9°C
Ajax	19.9°C	11°C	25.2°C
Rouge Beach	19.8°C	10.2°C	25.4°C
Pickering	19.8°C	10.2°C	25.4°C
Olcott	22.2°C	16°C	25.7°C
Scarborough Bluffs	20.1°C	13°C	24.9°C
Bluffer's Park Beach	20.1°C	13°C	24.9°C
Wilson	22.5°C	16.3°C	25.7°C

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Our report for Port Darlington 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