World Resorts Canada Yellowknife Weather

Yellowknife weather in July

Weather in Yellowknife: July

Average day temperature: 67.5°F
Average night temperature: 56.7°F
Sea water temperature: 58.3°F
Number of sunny days: 14 days
Day length: 17.5 - 19.8 hours
Number of rainy days: 1 day
Precipitation totals: 0.4 in.

Air temperature in July, °F

Show year:
2026
2025
2024

The highest day temperature during July of 2026 was 78°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during July were 68.1°F and 56.0°F.

Sea water temperature in Yellowknife in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 59.8°F. The highest and lowest sea temperatures during the month were 66.2°F and 50.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in July are sunny but cloudy days are also possible.

Precipitation total in July, in.

Precipitation total value in Yellowknife in July is 0.4 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July is 8.7 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 12.1.

Best time for vacation in Yellowknife

Sunniest months:
June 14 days
July 14 days
August 12 days
Warmest months:
July 67.5 °F
August 64.2 °F
June 60.9 °F
Warmest sea temp:
August 60.2 °F
July 58.3 °F
September 54.5 °F
Coldest months:
January -8.8 °F
February -8.5 °F
December -6.8 °F
Rainiest months:
June 1 day
July 1 day
August 1 day
Windiest months:
October 10.5 mph
May 9.9 mph
September 9.7 mph

Yellowknife on a weather map

Yellowknife
+54°F
S 12 mph
Feels like: +50°F
Precip.: 8%
Places in Canada:
Name
°F
+70°F
+59°F
+55°F
+68°F
+90°F
+54°F
+70°F
+73°F
+77°F
+72°F
+75°F
+77°F
+64°F
+73°F
24 Hours Forecast
Yellowknife
Local time: 07:52
August 06, thursday
0900
54°F
S
12 mph
1200
61°F
S
12 mph
1500
59°F
S
13 mph
1800
61°F
S
13 mph
2100
55°F
S
10 mph
August 07, friday
0000
54°F
SE
6 mph
0300
52°F
SW
8 mph
0600
48°F
SW
7 mph
Units of measurement: °C / °F