| Climate data for Fort St. John (Fort St. John Airport) WMO ID: 71943; coordinates 56°14′17″N 120°44′25″W / 56.23806°N 120.74028°W; elevation: 694.9 m (2,280 ft); 1981–2010 normals, extremes 1910–present[a] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high humidex | 12.7 | 12.4 | 17.3 | 27.4 | 31.5 | 34.3 | 37.4 | 34.5 | 32.6 | 25.4 | 16.2 | 11.2 | 37.4 |
| Record high °C (°F) | 12.9 (55.2) |
15.0 (59.0) |
18.0 (64.4) |
28.5 (83.3) |
32.2 (90.0) |
31.7 (89.1) |
38.3 (100.9) |
33.6 (92.5) |
32.2 (90.0) |
26.7 (80.1) |
18.3 (64.9) |
15.0 (59.0) |
38.3 (100.9) |
| Mean daily maximum °C (°F) | −8.7 (16.3) |
−5.1 (22.8) |
0.1 (32.2) |
9.1 (48.4) |
15.5 (59.9) |
19.6 (67.3) |
21.7 (71.1) |
20.5 (68.9) |
15.2 (59.4) |
7.7 (45.9) |
−2.9 (26.8) |
−7.4 (18.7) |
7.1 (44.8) |
| Daily mean °C (°F) | −12.8 (9.0) |
−9.6 (14.7) |
−4.6 (23.7) |
3.9 (39.0) |
9.8 (49.6) |
14.1 (57.4) |
16.2 (61.2) |
14.9 (58.8) |
10.1 (50.2) |
3.6 (38.5) |
−6.6 (20.1) |
−11.4 (11.5) |
2.3 (36.1) |
| Mean daily minimum °C (°F) | −16.9 (1.6) |
−14.0 (6.8) |
−9.2 (15.4) |
−1.3 (29.7) |
4.0 (39.2) |
8.6 (47.5) |
10.7 (51.3) |
9.2 (48.6) |
4.9 (40.8) |
−0.6 (30.9) |
−10.2 (13.6) |
−15.3 (4.5) |
−2.5 (27.5) |
| Record low °C (°F) | −53.9 (−65.0) |
−50.0 (−58.0) |
−37.8 (−36.0) |
−31.1 (−24.0) |
−13.1 (8.4) |
−5.6 (21.9) |
−4.4 (24.1) |
−2.9 (26.8) |
−12.8 (9.0) |
−25.0 (−13.0) |
−39.2 (−38.6) |
−50.6 (−59.1) |
−53.9 (−65.0) |
| Record low wind chill | −59.5 | −59.3 | −48.7 | −37.8 | −19.9 | −6.2 | 0.0 | −7.8 | −18.4 | −35.3 | −58.3 | −53.9 | −59.5 |
| Average precipitation mm (inches) | 25.4 (1.00) |
19.0 (0.75) |
23.7 (0.93) |
20.0 (0.79) |
37.9 (1.49) |
65.6 (2.58) |
75.2 (2.96) |
51.2 (2.02) |
44.7 (1.76) |
30.8 (1.21) |
29.2 (1.15) |
22.0 (0.87) |
444.7 (17.51) |
| Average rainfall mm (inches) | 0.4 (0.02) |
0.4 (0.02) |
0.7 (0.03) |
9.7 (0.38) |
31.9 (1.26) |
65.6 (2.58) |
75.2 (2.96) |
51.1 (2.01) |
40.0 (1.57) |
13.3 (0.52) |
3.4 (0.13) |
0.7 (0.03) |
292.4 (11.51) |
| Average snowfall cm (inches) | 32.7 (12.9) |
25.3 (10.0) |
28.7 (11.3) |
12.7 (5.0) |
6.4 (2.5) |
0.0 (0.0) |
0.0 (0.0) |
0.1 (0.0) |
4.8 (1.9) |
19.6 (7.7) |
32.5 (12.8) |
26.8 (10.6) |
189.6 (74.6) |
| Average precipitation days (≥ 0.2 mm) | 10.6 | 8.4 | 9.0 | 6.9 | 8.8 | 11.1 | 12.9 | 10.4 | 10.4 | 9.6 | 11.1 | 9.5 | 118.5 |
| Average rainy days (≥ 0.2 mm) | 0.6 | 0.4 | 0.7 | 3.8 | 7.9 | 11.1 | 12.9 | 10.4 | 10.0 | 5.5 | 2.1 | 0.6 | 66.0 |
| Average snowy days (≥ 0.2 cm) | 10.8 | 9.0 | 8.8 | 4.0 | 1.5 | 0.0 | 0.0 | 0.0 | 1.0 | 5.4 | 10.3 | 9.5 | 60.3 |
| Average relative humidity (%) (at 15:00 LST) | 68.5 | 62.9 | 53.8 | 42.6 | 41.1 | 45.7 | 49.3 | 50.6 | 52.4 | 57.9 | 72.3 | 71.5 | 55.7 |
| Mean monthly sunshine hours | 74.3 | 106.4 | 175.0 | 223.4 | 267.7 | 266.5 | 287.4 | 260.0 | 177.7 | 134.7 | 70.5 | 51.8 | 2,095.4 |
| Percent possible sunshine | 31.5 | 39.4 | 47.8 | 52.5 | 52.9 | 50.6 | 54.5 | 55.5 | 46.3 | 41.6 | 28.4 | 23.8 | 43.7 |
| Source: Environment and Climate Change Canada[1][2][3][4][5] | |||||||||||||
Notes edit
- ^ Climate data was recorded in the city of Fort St. John from January 1910 to February 1945, and at Fort St. John Airport from March 1942 to present.
References
- ^ "Fort St. John A, British Columbia". Canadian Climate Normals 1981–2010. Environment and Climate Change Canada. Retrieved 13 July 2015.
- ^ "July 1941". Canadian Climate Data. Environment and Climate Change Canada. Retrieved 9 June 2016.
- ^ "January 1911". Canadian Climate Data. Environment and Climate Change Canada. Retrieved 9 June 2016.
- ^ "Fort St John". Canadian Climate Data. Environment and Climate Change Canada. Retrieved 9 June 2016.
- ^ "April 2016". Canadian Climate Data. Environment and Climate Change Canada. Retrieved 9 June 2016.