Measurements:
°C
°F
Yellowknife
60°F
S 15 mph
Feels like: 56°F
Precip: 7%
World Resorts Canada Yellowknife Weather

7 Day Weather Forecast

08.19
wed
DAY
66°F
SE 17 mph
precip
2%
NIGHT
50°F
SE 11 mph
precip
5%
08.20
thu
DAY
58°F
SE 13 mph
precip
14%
NIGHT
56°F
SW 2 mph
precip
2%
08.21
fri
DAY
62°F
N 11 mph
precip
13%
NIGHT
62°F
N 11 mph
precip
13%
08.22
sat
DAY
64°F
N 14 mph
precip
8%
NIGHT
66°F
W 8 mph
precip
14%
08.23
sun
DAY
68°F
NW 5 mph
precip
14%
NIGHT
66°F
W 7 mph
precip
14%
08.24
mon
DAY
68°F
N 13 mph
precip
5%
NIGHT
62°F
NW 7 mph
precip
24%
08.25
tue
DAY
66°F
NW 15 mph
precip
17%
NIGHT
70°F
NW 14 mph
precip
18%

Yellowknife Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Yellowknife was 13.1°F. The maximum and minimum values were 11.4°F and 16.4°F respectively.

Yellowknife on the Weather Map

Best Time to Visit Yellowknife
The most sunny months:
June 14 days
July 14 days
August 12 days
The most warm months:
July 69.4 °F
August 65.7 °F
June 62.1 °F
Warmest sea temperature:
August 61.3 °F
July 59.3 °F
September 55.0 °F
The most cold months:
January -15.3 °F
February -15.0 °F
December -13.2 °F
The most rainy months:
June 1 day
July 1 day
August 1 day
The most windy months:
October 10 mph
May 9 mph
September 9 mph