Fort Smith Average Temperature by Month

This page shows the average temperature in each month of the year in Fort Smith, Northwest Territories. It is based on NOAA data for the years 1991–2020.

Average precipitation by month

What's the Hottest Month in Fort Smith?

In Fort Smith, Northwest Territories, the warmest month is July, with an average daily high temperature of 23.8 °C and an average low of 11.2 °C.

What's the Coldest Month in Fort Smith?

In Fort Smith, Northwest Territories, the coolest month is January, with an average daily high temperature of -18.0 °C and an average low of -26.9 °C.

Month	Avg. High	Avg. Low
January	-18.0 °C	-26.9 °C
February	-12.9 °C	-23.9 °C
March	-5.6 °C	-19.0 °C
April	5.7 °C	-6.8 °C
May	14.5 °C	1.5 °C
June	21.6 °C	8.4 °C
July	23.8 °C	11.2 °C
August	21.1 °C	9.1 °C
September	14.3 °C	3.7 °C
October	4.4 °C	-3.3 °C
November	-6.8 °C	-13.8 °C
December	-14.5 °C	-22.8 °C
Year	4.1 °C	-6.7 °C

Weather Station Details

Years	Station	Coordinates
1942–2024	Fort Smith A	location