Water temperature in Great Bear Lake (NT) in August

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Is it warm enough to swim in Great Bear Lake in August? Average water temperature in Great Bear Lake in August is 7.2°C and therefore is not suitable for comfortable swimming. The warmest water in Great Bear Lake in August is 12.3°C, and the coldest is 3.7°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Great Bear Lake

Changes water temperature in Great Bear Lake in August 2025, 2024

To get an accurate forecast for the water temperature in Great Bear Lake for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Great Bear Lake, 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

Tides

Sunrise and Sunset

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Day	2025	2024	Min	Max
1 August	5.6°C	5.6°C	3.7°C	8.7°C
2 August	5°C	6.5°C	3.7°C	10°C
3 August	4.9°C	7.2°C	4.3°C	11.3°C
4 August	5.2°C	7.4°C	4.6°C	10.6°C
5 August	5.5°C	7.1°C	4.6°C	10°C
6 August	4.8°C	8.4°C	4.5°C	11.1°C
7 August	5.1°C	9.2°C	3.9°C	11.2°C
8 August	4.9°C	8.8°C	3.9°C	10.1°C
9 August	4.9°C	9.6°C	4.3°C	9.6°C
10 August	5.4°C	8.1°C	4.5°C	9.2°C
11 August	5°C	8.3°C	4.3°C	8.9°C
12 August	5.5°C	8.6°C	4.4°C	10.2°C
13 August	5.6°C	8°C	4.2°C	11°C
14 August	7.1°C	8.7°C	4.3°C	12.3°C
15 August	7.3°C	10°C	4.6°C	12°C

Day	2025	2024	Min	Max
16 August	7.3°C	10.4°C	4.5°C	11.4°C
17 August	7.5°C	10°C	4.9°C	11.1°C
18 August	7.2°C	9°C	5°C	11.2°C
19 August	6.9°C	9.6°C	5°C	10.6°C
20 August	7.3°C	9.6°C	5.1°C	10.3°C
21 August	7.7°C	9.4°C	5.1°C	11.3°C
22 August	8.1°C	9.6°C	4.7°C	11.9°C
23 August	9.1°C	9.1°C	4.6°C	11.4°C
24 August	8.7°C	8.5°C	5.2°C	10.9°C
25 August	8.4°C	7.9°C	4.7°C	11°C
26 August	8.6°C	8.3°C	5.4°C	11.6°C
27 August	9.4°C	8.3°C	5.5°C	11.1°C
28 August	9.5°C	7.9°C	6°C	10.3°C
29 August	9.7°C	8.8°C	5.9°C	9.9°C
30 August	10.6°C	9°C	5.3°C	10.6°C
31 August	8.6°C	8.9°C	5.4°C	10.6°C

Great Bear Lake water temp chart in August

Average water temperature in Great Bear Lake in August over a decade

2016	2017	2018	2019	2020
9°C	6.6°C	5.9°C	4.9°C	5.6°C

2021	2022	2023	2024	2025
7.4°C	7.1°C	9.3°C	8.6°C	5.1°C

Great Bear Lake 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
Haines	12.5°C	9.6°C	16°C
Skagway	13°C	9.9°C	17.4°C
Glacier Bay	12.1°C	8.8°C	14.5°C
Juneau	13.1°C	9.7°C	16.1°C
Gustavus	12.4°C	8.6°C	14.6°C
Yakutat	13.9°C	11.2°C	16.9°C
Wrangell	12.9°C	10.5°C	16°C
Prudhoe Bay	3.4°C	0.6°C	6.8°C
Sitka	13.7°C	10.2°C	16°C
Ketchikan	14.8°C	11.6°C	18°C

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Our report for Great Bear Lake 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.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature