The highest day temperature in October 2025 was 49°F. The lowest night temperature was 22°F. The average values for day and night temperatures during October were 37.3°F и 33.6°F respectivly.

The average sea surface temperature in October 2025 for Yellowknife was 47.3°F. The maximum and minimum values were 41.8°F and 54.0°F respectively.

Most of the days in October are gloomy but you can also expect sunny days.

Precipitation total in October for Yellowknife is 0.3 in. This value is relatively stable throughout the year.

The average wind speed in October is 10.5 mph. It makes October the most windy month of the year for Yellowknife.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Yellowknife in October is 3.9 hours.