| 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); 1991-2020 normals (sun 1981–2010), 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 | 28.5 | 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) |
12.8 (55.0) |
19.7 (67.5) |
27.9 (82.2) |
31.8 (89.2) |
38.1 (100.6) |
38.3 (100.9) |
33.6 (92.5) |
30.0 (86.0) |
25.8 (78.4) |
18.3 (64.9) |
11.4 (52.5) |
38.3 (100.9) |
| Mean daily maximum °C (°F) | −8.6 (16.5) |
−5.4 (22.3) |
−0.5 (31.1) |
9.1 (48.4) |
16.0 (60.8) |
19.7 (67.5) |
21.7 (71.1) |
20.8 (69.4) |
15.7 (60.3) |
7.7 (45.9) |
−2.4 (27.7) |
−6.9 (19.6) |
7.2 (45.0) |
| Daily mean °C (°F) | −12.7 (9.1) |
−9.7 (14.5) |
−5.2 (22.6) |
3.8 (38.8) |
10.1 (50.2) |
14.2 (57.6) |
16.3 (61.3) |
15.0 (59.0) |
10.4 (50.7) |
3.5 (38.3) |
−6.1 (21.0) |
−10.8 (12.6) |
2.4 (36.3) |
| Mean daily minimum °C (°F) | −16.7 (1.9) |
−14.0 (6.8) |
−9.8 (14.4) |
−1.5 (29.3) |
4.2 (39.6) |
8.70 (47.66) |
10.70 (51.26) |
9.3 (48.7) |
5.1 (41.2) |
−0.7 (30.7) |
−9.7 (14.5) |
−14.6 (5.7) |
−2.4 (27.7) |
| Record low °C (°F) | −53.9 (−65.0) |
−42.2 (−44.0) |
−36.7 (−34.1) |
−28.9 (−20.0) |
−13.1 (8.4) |
−1.0 (30.2) |
0.7 (33.3) |
−2.9 (26.8) |
−12.8 (9.0) |
−25.0 (−13.0) |
−39.2 (−38.6) |
−44.6 (−48.3) |
−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) | 28.4 (1.12) |
20.7 (0.81) |
26.6 (1.05) |
20.6 (0.81) |
34.1 (1.34) |
74.9 (2.95) |
76.5 (3.01) |
47.8 (1.88) |
42.3 (1.67) |
33.4 (1.31) |
34.7 (1.37) |
23.6 (0.93) |
463.6 (18.25) |
| Average rainfall mm (inches) | 0.7 (0.03) |
0.6 (0.02) |
0.8 (0.03) |
8.7 (0.34) |
27.6 (1.09) |
74.6 (2.94) |
76.5 (3.01) |
47.8 (1.88) |
37.6 (1.48) |
12.8 (0.50) |
4.2 (0.17) |
0.4 (0.02) |
292.3 (11.51) |
| Average snowfall cm (inches) | 34.4 (13.5) |
26.3 (10.4) |
30.0 (11.8) |
14.5 (5.7) |
6.8 (2.7) |
0.3 (0.1) |
0.0 (0.0) |
0.0 (0.0) |
4.9 (1.9) |
22.2 (8.7) |
37.6 (14.8) |
29.0 (11.4) |
205.9 (81.1) |
| Average precipitation days (≥ 0.2 mm) | 11.8 | 8.4 | 9.3 | 6.7 | 8.9 | 12.3 | 12.5 | 10.3 | 10.0 | 9.5 | 11.5 | 9.1 | 120.3 |
| Average rainy days (≥ 0.2 mm) | 0.92 | 0.5 | 0.75 | 3.8 | 7.9 | 12.3 | 12.5 | 10.3 | 9.7 | 5.0 | 2.6 | 0.43 | 66.6 |
| Average snowy days (≥ 0.2 cm) | 11.7 | 8.7 | 8.8 | 3.7 | 1.7 | 0.0 | 0.0 | 0.0 | 0.8 | 5.6 | 10.3 | 9.2 | 60.4 |
| Average relative humidity (%) (at 15:00 LST) | 69.0 | 62.8 | 54.2 | 42.9 | 39.9 | 47.1 | 49.7 | 49.3 | 51.3 | 58.5 | 72.1 | 71.9 | 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] (sun)[2] (January minimum)[3] (March maximum)[4] (April maximum)[5] (June maximum)[6] (July maximum)[7] | |||||||||||||
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
- ^ "Canadian Climate Normals 1991-2020 Data - Fort St. John A, British Columbia". Environment and Climate Change Canada. 2024-06-27. Retrieved 2024-09-16.
- ^ "Canadian Climate Normals 1981–2010 Data - Fort St. John A, British Columbia". Environment and Climate Change Canada. 2024-06-27. Retrieved 2015-07-13.
- ^ "January 1911". Canadian Climate Data. Environment and Climate Change Canada. 2024-06-27. Retrieved 2024-09-16.
- ^ "March 2024". Canadian Climate Data. Environment and Climate Change Canada. 2024-06-27. Retrieved 2024-09-16.
- ^ "April 2016". Canadian Climate Data. Environment and Climate Change Canada. 2024-06-27. Retrieved 2024-09-16.
- ^ "June 2021". Canadian Climate Data. Environment and Climate Change Canada. 2024-06-27. Retrieved 2024-09-16.
- ^ "July 1941". Canadian Climate Data. Environment and Climate Change Canada. 2024-06-27. Retrieved 2024-09-16.