Fort Smith, Northwest Territories
Climate

Fort Smith, Northwest Territories

Section Title: Climate
Table Section Text: None

Climate data for Fort Smith Airport, 1981−2010 normals, extremes 1913−present

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year

Record high humidex	8.4	11.6	13.9	29.6	32.7	38.9	41.7	38.5	31.3	25.9	12.1	8.9	41.7

Record high °C (°F)	8.7 (47.7)	12.2 (54.0)	15.0 (59.0)	30.0 (86.0)	31.8 (89.2)	35.0 (95.0)	39.4 (102.9)	35.3 (95.5)	31.7 (89.1)	26.7 (80.1)	13.3 (55.9)	9.4 (48.9)	39.4 (102.9)

Average high °C (°F)	−17.8 (0.0)	−13.5 (7.7)	−5.0 (23.0)	6.0 (42.8)	14.2 (57.6)	20.9 (69.6)	23.3 (73.9)	20.8 (69.4)	13.6 (56.5)	4.2 (39.6)	−7.6 (18.3)	−15.0 (5.0)	3.7 (38.7)

Daily mean °C (°F)	−22.4 (−8.3)	−19.1 (−2.4)	−11.8 (10.8)	−0.3 (31.5)	7.8 (46.0)	14.4 (57.9)	17.0 (62.6)	14.7 (58.5)	8.4 (47.1)	0.2 (32.4)	−11.4 (11.5)	−19.3 (−2.7)	−1.8 (28.8)

Average low °C (°F)	−27.0 (−16.6)	−24.7 (−12.5)	−18.5 (−1.3)	−6.6 (20.1)	1.3 (34.3)	7.9 (46.2)	10.7 (51.3)	8.6 (47.5)	3.1 (37.6)	−3.7 (25.3)	−15.1 (4.8)	−23.5 (−10.3)	−7.3 (18.9)

Record low °C (°F)	−53.3 (−63.9)	−55.0 (−67.0)	−48.3 (−54.9)	−40.6 (−41.1)	−23.0 (−9.4)	−7.2 (19.0)	−4.4 (24.1)	−6.1 (21.0)	−15.0 (5.0)	−31.1 (−24.0)	−42.8 (−45.0)	−57.2 (−71.0)	−57.2 (−71.0)

Record low wind chill	−60.4	−58.4	−55.7	−50.4	−26.2	−8.0	0.0	−4.7	−17.8	−35.3	−48.8	−59.6	−60.4

Average precipitation mm (inches)	16.5 (0.65)	12.2 (0.48)	13.2 (0.52)	12.7 (0.50)	27.8 (1.09)	48.8 (1.92)	54.5 (2.15)	54.5 (2.15)	42.4 (1.67)	32.4 (1.28)	22.3 (0.88)	16.6 (0.65)	353.6 (13.92)

Average rainfall mm (inches)	0.1 (0.00)	0.1 (0.00)	0.3 (0.01)	6.2 (0.24)	22.6 (0.89)	48.7 (1.92)	54.5 (2.15)	54.3 (2.14)	41.6 (1.64)	14.0 (0.55)	1.5 (0.06)	0.3 (0.01)	244.3 (9.62)

Average snowfall cm (inches)	24.0 (9.4)	18.7 (7.4)	17.5 (6.9)	7.8 (3.1)	5.7 (2.2)	0.0 (0.0)	0.0 (0.0)	0.2 (0.1)	1.0 (0.4)	21.5 (8.5)	30.1 (11.9)	23.8 (9.4)	150.2 (59.1)

Average precipitation days (≥ 0.2 mm)	10.8	8.6	7.9	5.8	8.5	10.9	11.8	12.6	12.1	13.7	13.5	11.6	127.7

Average rainy days (≥ 0.2 mm)	0.2	0.2	0.4	2.8	7.4	10.9	11.8	12.6	11.7	7.5	1.2	0.3	66.9

Average snowy days (≥ 0.2 cm)	12.3	10.1	8.6	3.7	1.8	0.0	0.0	0.1	0.8	8.4	14.7	13.3	73.9

Average relative humidity (%) (at {{{time day}}})	79.8	77.6	67.1	51.4	42.3	43.8	48.2	52.8	58.0	71.4	83.8	82.0	63.2

Mean monthly sunshine hours	61	117	167	240	282	316	296	268	133	86	45	27	2,038

Source #1: Environment Canada

Source #2: Danish Meteorological Institute (sun, 1931–1960)

Sentence(s)

The coldest temperature ever recorded in Fort Smith was −57.2 °C (−71.0 °F), which was in December.

final_sentence: The coldest temperature ever recorded in Fort Smith was −57.2 °C (−71.0 °F), which was in December.