Template:Fort Simpson weatherbox
| Climate data for Fort Simpson (Fort Simpson Airport) WMO ID: 71946; coordinates 61°45′37″N 121°14′12″W / 61.76028°N 121.23667°W; elevation: 169.2 m (555 ft); 1991–2020 normals, extremes 1895–present[a] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high humidex | 12.0 | 13.9 | 16.5 | 26.4 | 31.8 | 35.8 | 41.3 | 39.7 | 32.2 | 24.0 | 11.3 | 14.0 | 41.3 |
| Record high °C (°F) | 13.2 (55.8) |
15.6 (60.1) |
17.2 (63.0) |
25.5 (77.9) |
32.8 (91.0) |
35.0 (95.0) |
36.6 (97.9) |
35.4 (95.7) |
30.9 (87.6) |
30.6 (87.1) |
13.3 (55.9) |
14.5 (58.1) |
36.6 (97.9) |
| Mean daily maximum °C (°F) | −19.3 (−2.7) |
−14.2 (6.4) |
−6.0 (21.2) |
5.7 (42.3) |
15.9 (60.6) |
21.9 (71.4) |
23.8 (74.8) |
21.1 (70.0) |
14.1 (57.4) |
2.4 (36.3) |
−10.6 (12.9) |
−17.5 (0.5) |
3.1 (37.6) |
| Daily mean °C (°F) | −23.6 (−10.5) |
−19.5 (−3.1) |
−12.5 (9.5) |
−0.5 (31.1) |
9.3 (48.7) |
15.6 (60.1) |
17.7 (63.9) |
15.1 (59.2) |
8.5 (47.3) |
−1.4 (29.5) |
−14.5 (5.9) |
−21.6 (−6.9) |
−2.3 (27.9) |
| Mean daily minimum °C (°F) | −27.8 (−18.0) |
−24.7 (−12.5) |
−19.1 (−2.4) |
−6.7 (19.9) |
2.8 (37.0) |
9.2 (48.6) |
11.5 (52.7) |
9.0 (48.2) |
2.9 (37.2) |
−5.1 (22.8) |
−18.4 (−1.1) |
−25.7 (−14.3) |
−7.7 (18.1) |
| Record low °C (°F) | −54.4 (−65.9) |
−56.2 (−69.2) |
−46.7 (−52.1) |
−39.4 (−38.9) |
−22.8 (−9.0) |
−2.2 (28.0) |
−1.1 (30.0) |
−6.1 (21.0) |
−20.6 (−5.1) |
−27.8 (−18.0) |
−46.1 (−51.0) |
−53.3 (−63.9) |
−53.3 (−63.9) |
| Record low wind chill | −58.9 | −54.8 | −48.5 | −44.3 | −24.7 | −5.9 | −2.7 | −4.9 | −23.7 | −35.5 | −53.2 | −59.6 | −59.6 |
| Average precipitation mm (inches) | 18.1 (0.71) |
16.2 (0.64) |
14.8 (0.58) |
15.5 (0.61) |
30.3 (1.19) |
55.8 (2.20) |
56.5 (2.22) |
59.5 (2.34) |
32.4 (1.28) |
31.9 (1.26) |
22.3 (0.88) |
17.4 (0.69) |
370.5 (14.59) |
| Average rainfall mm (inches) | 0.1 (0.00) |
0.1 (0.00) |
0.2 (0.01) |
1.5 (0.06) |
23.8 (0.94) |
57.2 (2.25) |
59.2 (2.33) |
64.5 (2.54) |
31.3 (1.23) |
12.1 (0.48) |
0.2 (0.01) |
0.0 (0.0) |
249.9 (9.84) |
| Average snowfall cm (inches) | 30.9 (12.2) |
25.6 (10.1) |
20.0 (7.9) |
17.8 (7.0) |
8.1 (3.2) |
0.6 (0.2) |
0.0 (0.0) |
0.0 (0.0) |
3.9 (1.5) |
24.1 (9.5) |
36.4 (14.3) |
27.8 (10.9) |
195.2 (76.9) |
| Average precipitation days (≥ 0.2 mm) | 12.6 | 11.0 | 9.5 | 6.1 | 8.5 | 11.7 | 12.0 | 11.8 | 10.4 | 12.1 | 11.9 | 11.7 | 129.0 |
| Average rainy days (≥ 0.2 mm) | 0.2 | 0.1 | 0.3 | 1.0 | 7.2 | 11.0 | 12.0 | 11.6 | 9.8 | 4.6 | 0.3 | 0.0 | 58.1 |
| Average snowy days (≥ 0.2 cm) | 12.6 | 11.6 | 9.6 | 4.9 | 2.2 | 0.1 | 0.0 | 0.1 | 1.4 | 8.7 | 12.8 | 12.3 | 76.0 |
| Average relative humidity (%) (at 1500 LST) | 78.4 | 75.3 | 66.1 | 50.6 | 41.2 | 44.9 | 49.9 | 53.6 | 58.2 | 76.4 | 82.4 | 80.2 | 63.1 |
| Mean monthly sunshine hours | 55.7 | 95.1 | 180.6 | 248.6 | 293.4 | 313.0 | 307.1 | 263.8 | 163.9 | 77.8 | 49.4 | 30.0 | 2,078.3 |
| Percent possible sunshine | 28.5 | 38.0 | 49.6 | 56.3 | 53.8 | 53.7 | 53.3 | 53.4 | 42.0 | 25.0 | 22.8 | 17.7 | 41.2 |
| Source: Environment and Climate Change Canada[2] (January minimum)[3] (February maximum / minimum)[4][5] (March minimum)[6] (April minimum)[7] (May minimumm)[8] (June maximum)[9] (August minimum)[10] (October maximum / minimum)[11][12] (November maximum / minimum)[13][14] (December minimum)[15] (sunshine)[1] | |||||||||||||
Notes
[edit]- ^ Climate data was recorded in Fort Simpson from November 1895 to October 1963 and at Fort Simpson Airport from November 1963 to present. Composite data from Fort Simpson Airport; WMO ID: 71946; coordinates 61°45′37″N 121°14′12″W / 61.76028°N 121.23667°W; elevation: 169.5 m (556 ft) and Fort Simpson Climate; WMO ID: 71365; coordinates 61°45′37″N 121°14′12″W / 61.76028°N 121.23667°W; elevation: 168.0 m (551.2 ft). Sunshine from 1981–2010[1]
References
- ^ a b "Fort Simpson A". Canadian Climate Normals 1991–2020. Environment and Climate Change Canada. 2024-10-01. WMO ID: 71946. Retrieved 2024-12-10.
- ^ "Fort Simpson A". Canadian Climate Normals 1991–2020. Environment and Climate Change Canada. 2024-10-01. WMO ID: 71946. Retrieved 2024-12-10.
- ^ "Daily Data Report for January 1936 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for February 1938 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for February 1947 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for March 1929 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for April 1954 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for May 1899 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for June 1955 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for August 19229 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for October Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for October 1935 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for November 1941 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for November 1949 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.
- ^ "Daily Data Report for December 1933 Fort Simpson". Canadian Climate Data. Environment and Climate Change Canada. 2024-10-01. Climate ID: 2202100. Retrieved 2024-12-10.